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many changes in layout, addition of mbedtls library for RSA encryption.

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jmjatlanta 2016-10-31 11:13:42 -05:00
parent 9c309ebbc6
commit e1c1a7ffbf
174 changed files with 87855 additions and 67 deletions
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15
.settings/language.settings.xml Normal file
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@ -0,0 +1,15 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<project>
<configuration id="cdt.managedbuild.toolchain.gnu.macosx.base.581685694" name="Default">
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
<provider copy-of="extension" id="org.eclipse.cdt.managedbuilder.core.GCCBuildCommandParser"/>
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="-1649305449616949654" id="org.eclipse.cdt.managedbuilder.core.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
<language-scope id="org.eclipse.cdt.core.gcc"/>
<language-scope id="org.eclipse.cdt.core.g++"/>
</provider>
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
</extension>
</configuration>
</project>

45
cmd/ipfs/init.c
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@ -1,13 +1,14 @@
#include <stdlib.h>
#include <stdio.h>
#include "init.h"
#include "../../commands/command_option.h"
#include "../../commands/request.h"
#include "../../core/ipfs_node.h"
#include "../../core/builder.h"
#include "../../repo/config/config.h"
#include "../../repo/fsrepo/fs_repo.h"
#include "ipfs/cmd/ipfs/init.h"
#include "ipfs/commands/command_option.h"
//#include "ipfs/commands/request.h"
#include "ipfs/os/utils.h"
#include "ipfs/core/ipfs_node.h"
#include "ipfs/core/builder.h"
#include "ipfs/repo/config/config.h"
#include "ipfs/repo/fsrepo/fs_repo.h"
const int nBitsForKeypairDefault = 2048;
@ -21,10 +22,11 @@ int init_pre_run(struct Request* request) {
return 0;
}
int initialize_ipns_keyspace(char* repoRoot) {
int initialize_ipns_keyspace(char* repo_root) {
//TODO: open fs repo
struct FSRepo repo;
int retVal = fs_repo_open(repoRoot, &repo);
// get the path
int retVal = fs_repo_open(repo_root, &repo);
//TODO: make a new node, then close it
//TODO: setup offline routing on new node
struct IpfsNode* ipfs_node;
@ -38,19 +40,26 @@ int initialize_ipns_keyspace(char* repoRoot) {
/**
* called by init_run, to do the heavy lifting
* @param outFile an output stream (stdout)
* @param repoRoot a string
* @param out_file an output stream (stdout)
* @param repo_root a string
* @param empty true(1) if empty, false(0) if not
* @param nBitsForKeyPair number of bits for key pair
* @param num_bits_for_keypair number of bits for key pair
* @param conf the configuration struct
* @returns 0 on error, 1 on success
*/
int do_init(FILE* outFile, char* repoRoot, int empty, int nBitsForKeyPair, struct Config* conf) {
//TODO: verify that it is not already initialized
int do_init(FILE* out_file, char* repo_root, int empty, int num_bits_for_keypair, struct RepoConfig* conf) {
// make sure the directory is writable
if (!os_utils_directory_writeable(repo_root))
return 0;
// verify that it is not already initialized
if (!fs_repo_is_initialized(repo_root))
return 0;
//TODO: If the conf is null, make one
if (conf == NULL)
repo_config_init(conf, num_bits_for_keypair);
//TODO: initialize the fs repo
//TODO: add default assets
return initialize_ipns_keyspace(repoRoot);
return initialize_ipns_keyspace(repo_root);
}
/***
@ -62,11 +71,11 @@ int init_run(struct Request* request) {
// TODO: make sure offline
// TODO: check parameters for logic errors
// TODO: Initialize
struct Config conf;
struct RepoConfig conf;
// TODO: handle files in request
// do the heavy lifting
int nBitsForKeyPair = request->cmd->options[1]->default_int_val;
do_init(stdout, request->invoc_context->config_root, 1, nBitsForKeyPair, &conf);
int num_bits_for_key_pair = request->cmd->options[1]->default_int_val;
do_init(stdout, request->invoc_context->config_root, 1, num_bits_for_key_pair, &conf);
return 0;
}

2
commands/cli/parse.c
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@ -1,4 +1,4 @@
#include "parse.h"
#include "ipfs/commands/cli/parse.h"
int cli_parse(char** params, FILE* inStream, struct Command* cmd, struct Request* request) {
return 0;

2
commands/command_option.c
View file

@ -9,7 +9,7 @@
#include <stdio.h>
#include <stdlib.h>
#include "command_option.h"
#include "ipfs/commands/command_option.h"
int init_command_option(struct CommandOption* option, char* description) {
option->description = description;

2
core/builder.c
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@ -6,7 +6,7 @@
// Copyright © 2016 JMJAtlanta. All rights reserved.
//
#include "builder.h"
#include "ipfs/core/builder.h"
int core_builder_new_node(struct Context* context, struct BuildCfg* build_cfg, struct IpfsNode* buildConfig) {
// TODO: Implement this methods

2
cmd/ipfs/init.h → include/ipfs/cmd/ipfs/init.h
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@ -4,7 +4,7 @@
#ifndef __CMD_IPFS_INIT_H__
#define __CMD_IPFS_INIT_H__
#include "../../commands/command.h"
#include "ipfs/commands/command.h"
/***
* Returns a command structure customized for the init command

0
commands/argument.h → include/ipfs/commands/argument.h
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4
commands/cli/parse.h → include/ipfs/commands/cli/parse.h
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@ -1,12 +1,12 @@
/***
* methods to parse the command line parameters
*/
*/
#ifndef __COMMANDS_CLI_PARSE_H__
#define __COMMANDS_CLI_PARSE_H__
#include <stdio.h>
#include "../command.h"
#include "ipfs/commands/command.h"
/***
* turns parameters passed in into a Request struct

0
commands/command.h → include/ipfs/commands/command.h
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0
commands/command_option.h → include/ipfs/commands/command_option.h
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8
commands/context.h → include/ipfs/commands/context.h
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@ -9,15 +9,15 @@
#ifndef __COMMANDS_CONTEXT_H__
#define __COMMANDS_CONTEXT_H__
#include "req_log.h"
#include "../repo/config/config.h"
#include "../core/ipfs_node.h"
#include "ipfs/commands/req_log.h"
#include "ipfs/repo/config/config.h"
#include "ipfs/core/ipfs_node.h"
struct Context {
int online;
char* config_root;
struct ReqLog req_log;
struct Config config;
struct RepoConfig config;
int (*load_config)(char* path);
struct IpfsNode node;
int (*construct_node)(struct IpfsNode* node);

0
commands/req_log.h → include/ipfs/commands/req_log.h
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4
core/builder.h → include/ipfs/core/builder.h
View file

@ -11,8 +11,8 @@
#include <stdio.h>
#include "../commands/context.h"
#include "../repo/config/config.h"
#include "ipfs/commands/context.h"
#include "ipfs/repo/config/config.h"
struct BuildCfg {
int online;

0
core/ipfs_node.h → include/ipfs/core/ipfs_node.h
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10
os/utils.h → include/ipfs/os/utils.h
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@ -15,6 +15,12 @@
*/
char* os_utils_getenv(char* variable);
/**
* get the user's home directory
* @returns the user's home directory
*/
char* os_utils_get_homedir();
/**
* join 2 pieces of a filepath, being careful about the slashes
* @param root the root part
@ -22,8 +28,10 @@ char* os_utils_getenv(char* variable);
* @param results where to put the results
* @param max_len throw an error if the total is longer than max_len
*/
int os_utils_filepath_join(char* root, char* extension, char* results, int max_len);
int os_utils_filepath_join(char* root, char* extension, char* results, unsigned long max_len);
int os_utils_file_exists(char* file_name);
int os_utils_directory_writeable(char* path);
#endif /* utils_h */

10
repo/config/config.h → include/ipfs/repo/config/config.h
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@ -4,7 +4,7 @@
#include "datastore.h"
#include "identity.h"
struct Config {
struct RepoConfig {
struct Identity identity;
struct Datastore datastore;
//struct address* addresses;
@ -41,4 +41,12 @@ int config_get_file_name(char* path, char* result);
*/
int config_path(char* config_root, char* extension, char* result, int max_len);
/***
* create a configuration based on the passed in parameters
* @param config the configuration struct
* @param num_bits_for_keypair number of bits for the key pair
* @returns true(1) on success, otherwise 0
*/
int repo_config_init(struct RepoConfig* config, unsigned int num_bits_for_keypair);
#endif

0
repo/config/datastore.h → include/ipfs/repo/config/datastore.h
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22
include/ipfs/repo/config/identity.h Normal file
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@ -0,0 +1,22 @@
//
// identity.h
// c-ipfs
//
// Created by John Jones on 10/27/16.
// Copyright © 2016 JMJAtlanta. All rights reserved.
//
#ifndef __REPO_CONFIG_IDENTITY_H__
#define __REPO_CONFIG_IDENTITY_H__
struct Identity {
char* peer_id; // a pretty-printed public key
char* private_key; // a private key
};
/***
* initializes a new keypair, and puts it in the Identity struct
*/
int repo_config_identity_new(struct Identity* identity, unsigned long num_bits_for_keypair);
#endif /* identity_h */

652
include/ipfs/repo/config/rsa.h Normal file
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@ -0,0 +1,652 @@
/**
* \file rsa.h
*
* \brief The RSA public-key cryptosystem
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_RSA_H
#define MBEDTLS_RSA_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls_config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include "mbedtls_bignum.h"
#include "mbedtls_md.h"
#if defined(MBEDTLS_THREADING_C)
#include "threading.h"
#endif
/*
* RSA Error codes
*/
#define MBEDTLS_ERR_RSA_BAD_INPUT_DATA -0x4080 /**< Bad input parameters to function. */
#define MBEDTLS_ERR_RSA_INVALID_PADDING -0x4100 /**< Input data contains invalid padding and is rejected. */
#define MBEDTLS_ERR_RSA_KEY_GEN_FAILED -0x4180 /**< Something failed during generation of a key. */
#define MBEDTLS_ERR_RSA_KEY_CHECK_FAILED -0x4200 /**< Key failed to pass the library's validity check. */
#define MBEDTLS_ERR_RSA_PUBLIC_FAILED -0x4280 /**< The public key operation failed. */
#define MBEDTLS_ERR_RSA_PRIVATE_FAILED -0x4300 /**< The private key operation failed. */
#define MBEDTLS_ERR_RSA_VERIFY_FAILED -0x4380 /**< The PKCS#1 verification failed. */
#define MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE -0x4400 /**< The output buffer for decryption is not large enough. */
#define MBEDTLS_ERR_RSA_RNG_FAILED -0x4480 /**< The random generator failed to generate non-zeros. */
/*
* RSA constants
*/
#define MBEDTLS_RSA_PUBLIC 0
#define MBEDTLS_RSA_PRIVATE 1
#define MBEDTLS_RSA_PKCS_V15 0
#define MBEDTLS_RSA_PKCS_V21 1
#define MBEDTLS_RSA_SIGN 1
#define MBEDTLS_RSA_CRYPT 2
#define MBEDTLS_RSA_SALT_LEN_ANY -1
/*
* The above constants may be used even if the RSA module is compile out,
* eg for alternative (PKCS#11) RSA implemenations in the PK layers.
*/
#if defined(MBEDTLS_RSA_C)
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief RSA context structure
*/
typedef struct
{
int ver; /*!< always 0 */
size_t len; /*!< size(N) in chars */
mbedtls_mpi N; /*!< public modulus */
mbedtls_mpi E; /*!< public exponent */
mbedtls_mpi D; /*!< private exponent */
mbedtls_mpi P; /*!< 1st prime factor */
mbedtls_mpi Q; /*!< 2nd prime factor */
mbedtls_mpi DP; /*!< D % (P - 1) */
mbedtls_mpi DQ; /*!< D % (Q - 1) */
mbedtls_mpi QP; /*!< 1 / (Q % P) */
mbedtls_mpi RN; /*!< cached R^2 mod N */
mbedtls_mpi RP; /*!< cached R^2 mod P */
mbedtls_mpi RQ; /*!< cached R^2 mod Q */
mbedtls_mpi Vi; /*!< cached blinding value */
mbedtls_mpi Vf; /*!< cached un-blinding value */
int padding; /*!< MBEDTLS_RSA_PKCS_V15 for 1.5 padding and
MBEDTLS_RSA_PKCS_v21 for OAEP/PSS */
int hash_id; /*!< Hash identifier of mbedtls_md_type_t as
specified in the mbedtls_md.h header file
for the EME-OAEP and EMSA-PSS
encoding */
#if defined(MBEDTLS_THREADING_C)
mbedtls_threading_mutex_t mutex; /*!< Thread-safety mutex */
#endif
}
mbedtls_rsa_context;
/**
* \brief Initialize an RSA context
*
* Note: Set padding to MBEDTLS_RSA_PKCS_V21 for the RSAES-OAEP
* encryption scheme and the RSASSA-PSS signature scheme.
*
* \param ctx RSA context to be initialized
* \param padding MBEDTLS_RSA_PKCS_V15 or MBEDTLS_RSA_PKCS_V21
* \param hash_id MBEDTLS_RSA_PKCS_V21 hash identifier
*
* \note The hash_id parameter is actually ignored
* when using MBEDTLS_RSA_PKCS_V15 padding.
*
* \note Choice of padding mode is strictly enforced for private key
* operations, since there might be security concerns in
* mixing padding modes. For public key operations it's merely
* a default value, which can be overriden by calling specific
* rsa_rsaes_xxx or rsa_rsassa_xxx functions.
*
* \note The chosen hash is always used for OEAP encryption.
* For PSS signatures, it's always used for making signatures,
* but can be overriden (and always is, if set to
* MBEDTLS_MD_NONE) for verifying them.
*/
void mbedtls_rsa_init( mbedtls_rsa_context *ctx,
int padding,
int hash_id);
/**
* \brief Set padding for an already initialized RSA context
* See \c mbedtls_rsa_init() for details.
*
* \param ctx RSA context to be set
* \param padding MBEDTLS_RSA_PKCS_V15 or MBEDTLS_RSA_PKCS_V21
* \param hash_id MBEDTLS_RSA_PKCS_V21 hash identifier
*/
void mbedtls_rsa_set_padding( mbedtls_rsa_context *ctx, int padding, int hash_id);
/**
* \brief Generate an RSA keypair
*
* \param ctx RSA context that will hold the key
* \param f_rng RNG function
* \param p_rng RNG parameter
* \param nbits size of the public key in bits
* \param exponent public exponent (e.g., 65537)
*
* \note mbedtls_rsa_init() must be called beforehand to setup
* the RSA context.
*
* \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
*/
int mbedtls_rsa_gen_key( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
unsigned int nbits, int exponent );
/**
* \brief Check a public RSA key
*
* \param ctx RSA context to be checked
*
* \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
*/
int mbedtls_rsa_check_pubkey( const mbedtls_rsa_context *ctx );
/**
* \brief Check a private RSA key
*
* \param ctx RSA context to be checked
*
* \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
*/
int mbedtls_rsa_check_privkey( const mbedtls_rsa_context *ctx );
/**
* \brief Check a public-private RSA key pair.
* Check each of the contexts, and make sure they match.
*
* \param pub RSA context holding the public key
* \param prv RSA context holding the private key
*
* \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
*/
int mbedtls_rsa_check_pub_priv( const mbedtls_rsa_context *pub, const mbedtls_rsa_context *prv );
/**
* \brief Do an RSA public key operation
*
* \param ctx RSA context
* \param input input buffer
* \param output output buffer
*
* \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
*
* \note This function does NOT take care of message
* padding. Also, be sure to set input[0] = 0 or assure that
* input is smaller than N.
*
* \note The input and output buffers must be large
* enough (eg. 128 bytes if RSA-1024 is used).
*/
int mbedtls_rsa_public( mbedtls_rsa_context *ctx,
const unsigned char *input,
unsigned char *output );
/**
* \brief Do an RSA private key operation
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for blinding)
* \param p_rng RNG parameter
* \param input input buffer
* \param output output buffer
*
* \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The input and output buffers must be large
* enough (eg. 128 bytes if RSA-1024 is used).
*/
int mbedtls_rsa_private( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
const unsigned char *input,
unsigned char *output );
/**
* \brief Generic wrapper to perform a PKCS#1 encryption using the
* mode from the context. Add the message padding, then do an
* RSA operation.
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for padding and PKCS#1 v2.1 encoding
* and MBEDTLS_RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode MBEDTLS_RSA_PUBLIC or MBEDTLS_RSA_PRIVATE
* \param ilen contains the plaintext length
* \param input buffer holding the data to be encrypted
* \param output buffer that will hold the ciphertext
*
* \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The output buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*/
int mbedtls_rsa_pkcs1_encrypt( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode, size_t ilen,
const unsigned char *input,
unsigned char *output );
/**
* \brief Perform a PKCS#1 v1.5 encryption (RSAES-PKCS1-v1_5-ENCRYPT)
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for padding and MBEDTLS_RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode MBEDTLS_RSA_PUBLIC or MBEDTLS_RSA_PRIVATE
* \param ilen contains the plaintext length
* \param input buffer holding the data to be encrypted
* \param output buffer that will hold the ciphertext
*
* \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The output buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*/
int mbedtls_rsa_rsaes_pkcs1_v15_encrypt( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode, size_t ilen,
const unsigned char *input,
unsigned char *output );
/**
* \brief Perform a PKCS#1 v2.1 OAEP encryption (RSAES-OAEP-ENCRYPT)
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for padding and PKCS#1 v2.1 encoding
* and MBEDTLS_RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode MBEDTLS_RSA_PUBLIC or MBEDTLS_RSA_PRIVATE
* \param label buffer holding the custom label to use
* \param label_len contains the label length
* \param ilen contains the plaintext length
* \param input buffer holding the data to be encrypted
* \param output buffer that will hold the ciphertext
*
* \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The output buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*/
int mbedtls_rsa_rsaes_oaep_encrypt( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
const unsigned char *label, size_t label_len,
size_t ilen,
const unsigned char *input,
unsigned char *output );
/**
* \brief Generic wrapper to perform a PKCS#1 decryption using the
* mode from the context. Do an RSA operation, then remove
* the message padding
*
* \param ctx RSA context
* \param f_rng RNG function (Only needed for MBEDTLS_RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode MBEDTLS_RSA_PUBLIC or MBEDTLS_RSA_PRIVATE
* \param olen will contain the plaintext length
* \param input buffer holding the encrypted data
* \param output buffer that will hold the plaintext
* \param output_max_len maximum length of the output buffer
*
* \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The output buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used) otherwise
* an error is thrown.
*/
int mbedtls_rsa_pkcs1_decrypt( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode, size_t *olen,
const unsigned char *input,
unsigned char *output,
size_t output_max_len );
/**
* \brief Perform a PKCS#1 v1.5 decryption (RSAES-PKCS1-v1_5-DECRYPT)
*
* \param ctx RSA context
* \param f_rng RNG function (Only needed for MBEDTLS_RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode MBEDTLS_RSA_PUBLIC or MBEDTLS_RSA_PRIVATE
* \param olen will contain the plaintext length
* \param input buffer holding the encrypted data
* \param output buffer that will hold the plaintext
* \param output_max_len maximum length of the output buffer
*
* \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The output buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used) otherwise
* an error is thrown.
*/
int mbedtls_rsa_rsaes_pkcs1_v15_decrypt( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode, size_t *olen,
const unsigned char *input,
unsigned char *output,
size_t output_max_len );
/**
* \brief Perform a PKCS#1 v2.1 OAEP decryption (RSAES-OAEP-DECRYPT)
*
* \param ctx RSA context
* \param f_rng RNG function (Only needed for MBEDTLS_RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode MBEDTLS_RSA_PUBLIC or MBEDTLS_RSA_PRIVATE
* \param label buffer holding the custom label to use
* \param label_len contains the label length
* \param olen will contain the plaintext length
* \param input buffer holding the encrypted data
* \param output buffer that will hold the plaintext
* \param output_max_len maximum length of the output buffer
*
* \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The output buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used) otherwise
* an error is thrown.
*/
int mbedtls_rsa_rsaes_oaep_decrypt( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
const unsigned char *label, size_t label_len,
size_t *olen,
const unsigned char *input,
unsigned char *output,
size_t output_max_len );
/**
* \brief Generic wrapper to perform a PKCS#1 signature using the
* mode from the context. Do a private RSA operation to sign
* a message digest
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for PKCS#1 v2.1 encoding and for
* MBEDTLS_RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode MBEDTLS_RSA_PUBLIC or MBEDTLS_RSA_PRIVATE
* \param md_alg a MBEDTLS_MD_XXX (use MBEDTLS_MD_NONE for signing raw data)
* \param hashlen message digest length (for MBEDTLS_MD_NONE only)
* \param hash buffer holding the message digest
* \param sig buffer that will hold the ciphertext
*
* \return 0 if the signing operation was successful,
* or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*
* \note In case of PKCS#1 v2.1 encoding, see comments on
* \note \c mbedtls_rsa_rsassa_pss_sign() for details on md_alg and hash_id.
*/
int mbedtls_rsa_pkcs1_sign( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
mbedtls_md_type_t md_alg,
unsigned int hashlen,
const unsigned char *hash,
unsigned char *sig );
/**
* \brief Perform a PKCS#1 v1.5 signature (RSASSA-PKCS1-v1_5-SIGN)
*
* \param ctx RSA context
* \param f_rng RNG function (Only needed for MBEDTLS_RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode MBEDTLS_RSA_PUBLIC or MBEDTLS_RSA_PRIVATE
* \param md_alg a MBEDTLS_MD_XXX (use MBEDTLS_MD_NONE for signing raw data)
* \param hashlen message digest length (for MBEDTLS_MD_NONE only)
* \param hash buffer holding the message digest
* \param sig buffer that will hold the ciphertext
*
* \return 0 if the signing operation was successful,
* or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*/
int mbedtls_rsa_rsassa_pkcs1_v15_sign( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
mbedtls_md_type_t md_alg,
unsigned int hashlen,
const unsigned char *hash,
unsigned char *sig );
/**
* \brief Perform a PKCS#1 v2.1 PSS signature (RSASSA-PSS-SIGN)
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for PKCS#1 v2.1 encoding and for
* MBEDTLS_RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode MBEDTLS_RSA_PUBLIC or MBEDTLS_RSA_PRIVATE
* \param md_alg a MBEDTLS_MD_XXX (use MBEDTLS_MD_NONE for signing raw data)
* \param hashlen message digest length (for MBEDTLS_MD_NONE only)
* \param hash buffer holding the message digest
* \param sig buffer that will hold the ciphertext
*
* \return 0 if the signing operation was successful,
* or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*
* \note The hash_id in the RSA context is the one used for the
* encoding. md_alg in the function call is the type of hash
* that is encoded. According to RFC 3447 it is advised to
* keep both hashes the same.
*/
int mbedtls_rsa_rsassa_pss_sign( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
mbedtls_md_type_t md_alg,
unsigned int hashlen,
const unsigned char *hash,
unsigned char *sig );
/**
* \brief Generic wrapper to perform a PKCS#1 verification using the
* mode from the context. Do a public RSA operation and check
* the message digest
*
* \param ctx points to an RSA public key
* \param f_rng RNG function (Only needed for MBEDTLS_RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode MBEDTLS_RSA_PUBLIC or MBEDTLS_RSA_PRIVATE
* \param md_alg a MBEDTLS_MD_XXX (use MBEDTLS_MD_NONE for signing raw data)
* \param hashlen message digest length (for MBEDTLS_MD_NONE only)
* \param hash buffer holding the message digest
* \param sig buffer holding the ciphertext
*
* \return 0 if the verify operation was successful,
* or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*
* \note In case of PKCS#1 v2.1 encoding, see comments on
* \c mbedtls_rsa_rsassa_pss_verify() about md_alg and hash_id.
*/
int mbedtls_rsa_pkcs1_verify( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
mbedtls_md_type_t md_alg,
unsigned int hashlen,
const unsigned char *hash,
const unsigned char *sig );
/**
* \brief Perform a PKCS#1 v1.5 verification (RSASSA-PKCS1-v1_5-VERIFY)
*
* \param ctx points to an RSA public key
* \param f_rng RNG function (Only needed for MBEDTLS_RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode MBEDTLS_RSA_PUBLIC or MBEDTLS_RSA_PRIVATE
* \param md_alg a MBEDTLS_MD_XXX (use MBEDTLS_MD_NONE for signing raw data)
* \param hashlen message digest length (for MBEDTLS_MD_NONE only)
* \param hash buffer holding the message digest
* \param sig buffer holding the ciphertext
*
* \return 0 if the verify operation was successful,
* or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*/
int mbedtls_rsa_rsassa_pkcs1_v15_verify( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
mbedtls_md_type_t md_alg,
unsigned int hashlen,
const unsigned char *hash,
const unsigned char *sig );
/**
* \brief Perform a PKCS#1 v2.1 PSS verification (RSASSA-PSS-VERIFY)
* (This is the "simple" version.)
*
* \param ctx points to an RSA public key
* \param f_rng RNG function (Only needed for MBEDTLS_RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode MBEDTLS_RSA_PUBLIC or MBEDTLS_RSA_PRIVATE
* \param md_alg a MBEDTLS_MD_XXX (use MBEDTLS_MD_NONE for signing raw data)
* \param hashlen message digest length (for MBEDTLS_MD_NONE only)
* \param hash buffer holding the message digest
* \param sig buffer holding the ciphertext
*
* \return 0 if the verify operation was successful,
* or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*
* \note The hash_id in the RSA context is the one used for the
* verification. md_alg in the function call is the type of
* hash that is verified. According to RFC 3447 it is advised to
* keep both hashes the same. If hash_id in the RSA context is
* unset, the md_alg from the function call is used.
*/
int mbedtls_rsa_rsassa_pss_verify( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
mbedtls_md_type_t md_alg,
unsigned int hashlen,
const unsigned char *hash,
const unsigned char *sig );
/**
* \brief Perform a PKCS#1 v2.1 PSS verification (RSASSA-PSS-VERIFY)
* (This is the version with "full" options.)
*
* \param ctx points to an RSA public key
* \param f_rng RNG function (Only needed for MBEDTLS_RSA_PRIVATE)
* \param p_rng RNG parameter
* \param mode MBEDTLS_RSA_PUBLIC or MBEDTLS_RSA_PRIVATE
* \param md_alg a MBEDTLS_MD_XXX (use MBEDTLS_MD_NONE for signing raw data)
* \param hashlen message digest length (for MBEDTLS_MD_NONE only)
* \param hash buffer holding the message digest
* \param mgf1_hash_id message digest used for mask generation
* \param expected_salt_len Length of the salt used in padding, use
* MBEDTLS_RSA_SALT_LEN_ANY to accept any salt length
* \param sig buffer holding the ciphertext
*
* \return 0 if the verify operation was successful,
* or an MBEDTLS_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*
* \note The hash_id in the RSA context is ignored.
*/
int mbedtls_rsa_rsassa_pss_verify_ext( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
mbedtls_md_type_t md_alg,
unsigned int hashlen,
const unsigned char *hash,
mbedtls_md_type_t mgf1_hash_id,
int expected_salt_len,
const unsigned char *sig );
/**
* \brief Copy the components of an RSA context
*
* \param dst Destination context
* \param src Source context
*
* \return 0 on success,
* MBEDTLS_ERR_MPI_ALLOC_FAILED on memory allocation failure
*/
int mbedtls_rsa_copy( mbedtls_rsa_context *dst, const mbedtls_rsa_context *src );
/**
* \brief Free the components of an RSA key
*
* \param ctx RSA Context to free
*/
void mbedtls_rsa_free( mbedtls_rsa_context *ctx );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_rsa_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_RSA_C */
#endif /* rsa.h */

10
repo/fsrepo/fs_repo.h → include/ipfs/repo/fsrepo/fs_repo.h
View file

@ -19,11 +19,17 @@ struct FSRepo {
/**
* opens a fsrepo
* @param repoPath the path to the repo
* @param repo_path the path to the repo
* @param repo where to store the repo info
* @return 0 if there was a problem, otherwise 1
*/
int fs_repo_open(char* repoPath, struct FSRepo* repo);
int fs_repo_open(char* repo_path, struct FSRepo* repo);
/***
* checks to see if the repo is initialized
* @param repo_path the path to the repo
* @returns true(1) if it is initialized, otherwise false(0)
*/
int fs_repo_is_initialized(char* repo_path);
#endif /* fs_repo_h */

4
repo/repo.h → include/ipfs/repo/repo.h
View file

@ -10,14 +10,14 @@
* @param config a place to put the buffer (must have been pre-allocated)
* @returns 0 on error
*/
int repo_get_config(struct Config* config);
int repo_get_config(struct RepoConfig* config);
/**
* Retrieves the config
* @param config a place to get the information
* @returns 0 on error
*/
int repo_set_config(struct Config* config);
int repo_set_config(struct RepoConfig* config);
int repo_set_config_key(char* key, void* value);
int repo_get_config_key(char* key, void* value);
int repo_get_datastore(struct Datastore* datastore);

297
include/mbedtls/aes.h Normal file
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@ -0,0 +1,297 @@
/**
* \file aes.h
*
* \brief AES block cipher
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_AES_H
#define MBEDTLS_AES_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#include <stdint.h>
/* padlock.c and aesni.c rely on these values! */
#define MBEDTLS_AES_ENCRYPT 1
#define MBEDTLS_AES_DECRYPT 0
#define MBEDTLS_ERR_AES_INVALID_KEY_LENGTH -0x0020 /**< Invalid key length. */
#define MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH -0x0022 /**< Invalid data input length. */
#if !defined(MBEDTLS_AES_ALT)
// Regular implementation
//
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief AES context structure
*
* \note buf is able to hold 32 extra bytes, which can be used:
* - for alignment purposes if VIA padlock is used, and/or
* - to simplify key expansion in the 256-bit case by
* generating an extra round key
*/
typedef struct
{
int nr; /*!< number of rounds */
uint32_t *rk; /*!< AES round keys */
uint32_t buf[68]; /*!< unaligned data */
}
mbedtls_aes_context;
/**
* \brief Initialize AES context
*
* \param ctx AES context to be initialized
*/
void mbedtls_aes_init( mbedtls_aes_context *ctx );
/**
* \brief Clear AES context
*
* \param ctx AES context to be cleared
*/
void mbedtls_aes_free( mbedtls_aes_context *ctx );
/**
* \brief AES key schedule (encryption)
*
* \param ctx AES context to be initialized
* \param key encryption key
* \param keybits must be 128, 192 or 256
*
* \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_KEY_LENGTH
*/
int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
unsigned int keybits );
/**
* \brief AES key schedule (decryption)
*
* \param ctx AES context to be initialized
* \param key decryption key
* \param keybits must be 128, 192 or 256
*
* \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_KEY_LENGTH
*/
int mbedtls_aes_setkey_dec( mbedtls_aes_context *ctx, const unsigned char *key,
unsigned int keybits );
/**
* \brief AES-ECB block encryption/decryption
*
* \param ctx AES context
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
* \param input 16-byte input block
* \param output 16-byte output block
*
* \return 0 if successful
*/
int mbedtls_aes_crypt_ecb( mbedtls_aes_context *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16] );
#if defined(MBEDTLS_CIPHER_MODE_CBC)
/**
* \brief AES-CBC buffer encryption/decryption
* Length should be a multiple of the block
* size (16 bytes)
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* block(s) of data and get the same result as if it was
* encrypted in one call. This allows a "streaming" usage.
* If on the other hand you need to retain the contents of the
* IV, you should either save it manually or use the cipher
* module instead.
*
* \param ctx AES context
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH
*/
int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CBC */
#if defined(MBEDTLS_CIPHER_MODE_CFB)
/**
* \brief AES-CFB128 buffer encryption/decryption.
*
* Note: Due to the nature of CFB you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* mbedtls_aes_setkey_enc() for both MBEDTLS_AES_ENCRYPT and MBEDTLS_AES_DECRYPT.
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* block(s) of data and get the same result as if it was
* encrypted in one call. This allows a "streaming" usage.
* If on the other hand you need to retain the contents of the
* IV, you should either save it manually or use the cipher
* module instead.
*
* \param ctx AES context
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
* \param length length of the input data
* \param iv_off offset in IV (updated after use)
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful
*/
int mbedtls_aes_crypt_cfb128( mbedtls_aes_context *ctx,
int mode,
size_t length,
size_t *iv_off,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
/**
* \brief AES-CFB8 buffer encryption/decryption.
*
* Note: Due to the nature of CFB you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* mbedtls_aes_setkey_enc() for both MBEDTLS_AES_ENCRYPT and MBEDTLS_AES_DECRYPT.
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* block(s) of data and get the same result as if it was
* encrypted in one call. This allows a "streaming" usage.
* If on the other hand you need to retain the contents of the
* IV, you should either save it manually or use the cipher
* module instead.
*
* \param ctx AES context
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful
*/
int mbedtls_aes_crypt_cfb8( mbedtls_aes_context *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
#endif /*MBEDTLS_CIPHER_MODE_CFB */
#if defined(MBEDTLS_CIPHER_MODE_CTR)
/**
* \brief AES-CTR buffer encryption/decryption
*
* Warning: You have to keep the maximum use of your counter in mind!
*
* Note: Due to the nature of CTR you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* mbedtls_aes_setkey_enc() for both MBEDTLS_AES_ENCRYPT and MBEDTLS_AES_DECRYPT.
*
* \param ctx AES context
* \param length The length of the data
* \param nc_off The offset in the current stream_block (for resuming
* within current cipher stream). The offset pointer to
* should be 0 at the start of a stream.
* \param nonce_counter The 128-bit nonce and counter.
* \param stream_block The saved stream-block for resuming. Is overwritten
* by the function.
* \param input The input data stream
* \param output The output data stream
*
* \return 0 if successful
*/
int mbedtls_aes_crypt_ctr( mbedtls_aes_context *ctx,
size_t length,
size_t *nc_off,
unsigned char nonce_counter[16],
unsigned char stream_block[16],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CTR */
/**
* \brief Internal AES block encryption function
* (Only exposed to allow overriding it,
* see MBEDTLS_AES_ENCRYPT_ALT)
*
* \param ctx AES context
* \param input Plaintext block
* \param output Output (ciphertext) block
*/
void mbedtls_aes_encrypt( mbedtls_aes_context *ctx,
const unsigned char input[16],
unsigned char output[16] );
/**
* \brief Internal AES block decryption function
* (Only exposed to allow overriding it,
* see MBEDTLS_AES_DECRYPT_ALT)
*
* \param ctx AES context
* \param input Ciphertext block
* \param output Output (plaintext) block
*/
void mbedtls_aes_decrypt( mbedtls_aes_context *ctx,
const unsigned char input[16],
unsigned char output[16] );
#ifdef __cplusplus
}
#endif
#else /* MBEDTLS_AES_ALT */
#include "aes_alt.h"
#endif /* MBEDTLS_AES_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_aes_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* aes.h */

111
include/mbedtls/aesni.h Normal file
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@ -0,0 +1,111 @@
/**
* \file aesni.h
*
* \brief AES-NI for hardware AES acceleration on some Intel processors
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_AESNI_H
#define MBEDTLS_AESNI_H
#include "aes.h"
#define MBEDTLS_AESNI_AES 0x02000000u
#define MBEDTLS_AESNI_CLMUL 0x00000002u
#if defined(MBEDTLS_HAVE_ASM) && defined(__GNUC__) && \
( defined(__amd64__) || defined(__x86_64__) ) && \
! defined(MBEDTLS_HAVE_X86_64)
#define MBEDTLS_HAVE_X86_64
#endif
#if defined(MBEDTLS_HAVE_X86_64)
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief AES-NI features detection routine
*
* \param what The feature to detect
* (MBEDTLS_AESNI_AES or MBEDTLS_AESNI_CLMUL)
*
* \return 1 if CPU has support for the feature, 0 otherwise
*/
int mbedtls_aesni_has_support( unsigned int what );
/**
* \brief AES-NI AES-ECB block en(de)cryption
*
* \param ctx AES context
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
* \param input 16-byte input block
* \param output 16-byte output block
*
* \return 0 on success (cannot fail)
*/
int mbedtls_aesni_crypt_ecb( mbedtls_aes_context *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16] );
/**
* \brief GCM multiplication: c = a * b in GF(2^128)
*
* \param c Result
* \param a First operand
* \param b Second operand
*
* \note Both operands and result are bit strings interpreted as
* elements of GF(2^128) as per the GCM spec.
*/
void mbedtls_aesni_gcm_mult( unsigned char c[16],
const unsigned char a[16],
const unsigned char b[16] );
/**
* \brief Compute decryption round keys from encryption round keys
*
* \param invkey Round keys for the equivalent inverse cipher
* \param fwdkey Original round keys (for encryption)
* \param nr Number of rounds (that is, number of round keys minus one)
*/
void mbedtls_aesni_inverse_key( unsigned char *invkey,
const unsigned char *fwdkey, int nr );
/**
* \brief Perform key expansion (for encryption)
*
* \param rk Destination buffer where the round keys are written
* \param key Encryption key
* \param bits Key size in bits (must be 128, 192 or 256)
*
* \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_KEY_LENGTH
*/
int mbedtls_aesni_setkey_enc( unsigned char *rk,
const unsigned char *key,
size_t bits );
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_HAVE_X86_64 */
#endif /* MBEDTLS_AESNI_H */

113
include/mbedtls/arc4.h Normal file
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@ -0,0 +1,113 @@
/**
* \file arc4.h
*
* \brief The ARCFOUR stream cipher
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_ARC4_H
#define MBEDTLS_ARC4_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#if !defined(MBEDTLS_ARC4_ALT)
// Regular implementation
//
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief ARC4 context structure
*/
typedef struct
{
int x; /*!< permutation index */
int y; /*!< permutation index */
unsigned char m[256]; /*!< permutation table */
}
mbedtls_arc4_context;
/**
* \brief Initialize ARC4 context
*
* \param ctx ARC4 context to be initialized
*/
void mbedtls_arc4_init( mbedtls_arc4_context *ctx );
/**
* \brief Clear ARC4 context
*
* \param ctx ARC4 context to be cleared
*/
void mbedtls_arc4_free( mbedtls_arc4_context *ctx );
/**
* \brief ARC4 key schedule
*
* \param ctx ARC4 context to be setup
* \param key the secret key
* \param keylen length of the key, in bytes
*/
void mbedtls_arc4_setup( mbedtls_arc4_context *ctx, const unsigned char *key,
unsigned int keylen );
/**
* \brief ARC4 cipher function
*
* \param ctx ARC4 context
* \param length length of the input data
* \param input buffer holding the input data
* \param output buffer for the output data
*
* \return 0 if successful
*/
int mbedtls_arc4_crypt( mbedtls_arc4_context *ctx, size_t length, const unsigned char *input,
unsigned char *output );
#ifdef __cplusplus
}
#endif
#else /* MBEDTLS_ARC4_ALT */
#include "arc4_alt.h"
#endif /* MBEDTLS_ARC4_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_arc4_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* arc4.h */

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/**
* \file asn1.h
*
* \brief Generic ASN.1 parsing
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_ASN1_H
#define MBEDTLS_ASN1_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#if defined(MBEDTLS_BIGNUM_C)
#include "bignum.h"
#endif
/**
* \addtogroup asn1_module
* \{
*/
/**
* \name ASN1 Error codes
* These error codes are OR'ed to X509 error codes for
* higher error granularity.
* ASN1 is a standard to specify data structures.
* \{
*/
#define MBEDTLS_ERR_ASN1_OUT_OF_DATA -0x0060 /**< Out of data when parsing an ASN1 data structure. */
#define MBEDTLS_ERR_ASN1_UNEXPECTED_TAG -0x0062 /**< ASN1 tag was of an unexpected value. */
#define MBEDTLS_ERR_ASN1_INVALID_LENGTH -0x0064 /**< Error when trying to determine the length or invalid length. */
#define MBEDTLS_ERR_ASN1_LENGTH_MISMATCH -0x0066 /**< Actual length differs from expected length. */
#define MBEDTLS_ERR_ASN1_INVALID_DATA -0x0068 /**< Data is invalid. (not used) */
#define MBEDTLS_ERR_ASN1_ALLOC_FAILED -0x006A /**< Memory allocation failed */
#define MBEDTLS_ERR_ASN1_BUF_TOO_SMALL -0x006C /**< Buffer too small when writing ASN.1 data structure. */
/* \} name */
/**
* \name DER constants
* These constants comply with DER encoded the ANS1 type tags.
* DER encoding uses hexadecimal representation.
* An example DER sequence is:\n
* - 0x02 -- tag indicating INTEGER
* - 0x01 -- length in octets
* - 0x05 -- value
* Such sequences are typically read into \c ::mbedtls_x509_buf.
* \{
*/
#define MBEDTLS_ASN1_BOOLEAN 0x01
#define MBEDTLS_ASN1_INTEGER 0x02
#define MBEDTLS_ASN1_BIT_STRING 0x03
#define MBEDTLS_ASN1_OCTET_STRING 0x04
#define MBEDTLS_ASN1_NULL 0x05
#define MBEDTLS_ASN1_OID 0x06
#define MBEDTLS_ASN1_UTF8_STRING 0x0C
#define MBEDTLS_ASN1_SEQUENCE 0x10
#define MBEDTLS_ASN1_SET 0x11
#define MBEDTLS_ASN1_PRINTABLE_STRING 0x13
#define MBEDTLS_ASN1_T61_STRING 0x14
#define MBEDTLS_ASN1_IA5_STRING 0x16
#define MBEDTLS_ASN1_UTC_TIME 0x17
#define MBEDTLS_ASN1_GENERALIZED_TIME 0x18
#define MBEDTLS_ASN1_UNIVERSAL_STRING 0x1C
#define MBEDTLS_ASN1_BMP_STRING 0x1E
#define MBEDTLS_ASN1_PRIMITIVE 0x00
#define MBEDTLS_ASN1_CONSTRUCTED 0x20
#define MBEDTLS_ASN1_CONTEXT_SPECIFIC 0x80
/* \} name */
/* \} addtogroup asn1_module */
/** Returns the size of the binary string, without the trailing \\0 */
#define MBEDTLS_OID_SIZE(x) (sizeof(x) - 1)
/**
* Compares an mbedtls_asn1_buf structure to a reference OID.
*
* Only works for 'defined' oid_str values (MBEDTLS_OID_HMAC_SHA1), you cannot use a
* 'unsigned char *oid' here!
*/
#define MBEDTLS_OID_CMP(oid_str, oid_buf) \
( ( MBEDTLS_OID_SIZE(oid_str) != (oid_buf)->len ) || \
memcmp( (oid_str), (oid_buf)->p, (oid_buf)->len) != 0 )
#ifdef __cplusplus
extern "C" {
#endif
/**
* \name Functions to parse ASN.1 data structures
* \{
*/
/**
* Type-length-value structure that allows for ASN1 using DER.
*/
typedef struct mbedtls_asn1_buf
{
int tag; /**< ASN1 type, e.g. MBEDTLS_ASN1_UTF8_STRING. */
size_t len; /**< ASN1 length, in octets. */
unsigned char *p; /**< ASN1 data, e.g. in ASCII. */
}
mbedtls_asn1_buf;
/**
* Container for ASN1 bit strings.
*/
typedef struct mbedtls_asn1_bitstring
{
size_t len; /**< ASN1 length, in octets. */
unsigned char unused_bits; /**< Number of unused bits at the end of the string */
unsigned char *p; /**< Raw ASN1 data for the bit string */
}
mbedtls_asn1_bitstring;
/**
* Container for a sequence of ASN.1 items
*/
typedef struct mbedtls_asn1_sequence
{
mbedtls_asn1_buf buf; /**< Buffer containing the given ASN.1 item. */
struct mbedtls_asn1_sequence *next; /**< The next entry in the sequence. */
}
mbedtls_asn1_sequence;
/**
* Container for a sequence or list of 'named' ASN.1 data items
*/
typedef struct mbedtls_asn1_named_data
{
mbedtls_asn1_buf oid; /**< The object identifier. */
mbedtls_asn1_buf val; /**< The named value. */
struct mbedtls_asn1_named_data *next; /**< The next entry in the sequence. */
unsigned char next_merged; /**< Merge next item into the current one? */
}
mbedtls_asn1_named_data;
/**
* \brief Get the length of an ASN.1 element.
* Updates the pointer to immediately behind the length.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param len The variable that will receive the value
*
* \return 0 if successful, MBEDTLS_ERR_ASN1_OUT_OF_DATA on reaching
* end of data, MBEDTLS_ERR_ASN1_INVALID_LENGTH if length is
* unparseable.
*/
int mbedtls_asn1_get_len( unsigned char **p,
const unsigned char *end,
size_t *len );
/**
* \brief Get the tag and length of the tag. Check for the requested tag.
* Updates the pointer to immediately behind the tag and length.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param len The variable that will receive the length
* \param tag The expected tag
*
* \return 0 if successful, MBEDTLS_ERR_ASN1_UNEXPECTED_TAG if tag did
* not match requested tag, or another specific ASN.1 error code.
*/
int mbedtls_asn1_get_tag( unsigned char **p,
const unsigned char *end,
size_t *len, int tag );
/**
* \brief Retrieve a boolean ASN.1 tag and its value.
* Updates the pointer to immediately behind the full tag.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param val The variable that will receive the value
*
* \return 0 if successful or a specific ASN.1 error code.
*/
int mbedtls_asn1_get_bool( unsigned char **p,
const unsigned char *end,
int *val );
/**
* \brief Retrieve an integer ASN.1 tag and its value.
* Updates the pointer to immediately behind the full tag.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param val The variable that will receive the value
*
* \return 0 if successful or a specific ASN.1 error code.
*/
int mbedtls_asn1_get_int( unsigned char **p,
const unsigned char *end,
int *val );
/**
* \brief Retrieve a bitstring ASN.1 tag and its value.
* Updates the pointer to immediately behind the full tag.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param bs The variable that will receive the value
*
* \return 0 if successful or a specific ASN.1 error code.
*/
int mbedtls_asn1_get_bitstring( unsigned char **p, const unsigned char *end,
mbedtls_asn1_bitstring *bs);
/**
* \brief Retrieve a bitstring ASN.1 tag without unused bits and its
* value.
* Updates the pointer to the beginning of the bit/octet string.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param len Length of the actual bit/octect string in bytes
*
* \return 0 if successful or a specific ASN.1 error code.
*/
int mbedtls_asn1_get_bitstring_null( unsigned char **p, const unsigned char *end,
size_t *len );
/**
* \brief Parses and splits an ASN.1 "SEQUENCE OF <tag>"
* Updated the pointer to immediately behind the full sequence tag.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param cur First variable in the chain to fill
* \param tag Type of sequence
*
* \return 0 if successful or a specific ASN.1 error code.
*/
int mbedtls_asn1_get_sequence_of( unsigned char **p,
const unsigned char *end,
mbedtls_asn1_sequence *cur,
int tag);
#if defined(MBEDTLS_BIGNUM_C)
/**
* \brief Retrieve a MPI value from an integer ASN.1 tag.
* Updates the pointer to immediately behind the full tag.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param X The MPI that will receive the value
*
* \return 0 if successful or a specific ASN.1 or MPI error code.
*/
int mbedtls_asn1_get_mpi( unsigned char **p,
const unsigned char *end,
mbedtls_mpi *X );
#endif /* MBEDTLS_BIGNUM_C */
/**
* \brief Retrieve an AlgorithmIdentifier ASN.1 sequence.
* Updates the pointer to immediately behind the full
* AlgorithmIdentifier.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param alg The buffer to receive the OID
* \param params The buffer to receive the params (if any)
*
* \return 0 if successful or a specific ASN.1 or MPI error code.
*/
int mbedtls_asn1_get_alg( unsigned char **p,
const unsigned char *end,
mbedtls_asn1_buf *alg, mbedtls_asn1_buf *params );
/**
* \brief Retrieve an AlgorithmIdentifier ASN.1 sequence with NULL or no
* params.
* Updates the pointer to immediately behind the full
* AlgorithmIdentifier.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param alg The buffer to receive the OID
*
* \return 0 if successful or a specific ASN.1 or MPI error code.
*/
int mbedtls_asn1_get_alg_null( unsigned char **p,
const unsigned char *end,
mbedtls_asn1_buf *alg );
/**
* \brief Find a specific named_data entry in a sequence or list based on
* the OID.
*
* \param list The list to seek through
* \param oid The OID to look for
* \param len Size of the OID
*
* \return NULL if not found, or a pointer to the existing entry.
*/
mbedtls_asn1_named_data *mbedtls_asn1_find_named_data( mbedtls_asn1_named_data *list,
const char *oid, size_t len );
/**
* \brief Free a mbedtls_asn1_named_data entry
*
* \param entry The named data entry to free
*/
void mbedtls_asn1_free_named_data( mbedtls_asn1_named_data *entry );
/**
* \brief Free all entries in a mbedtls_asn1_named_data list
* Head will be set to NULL
*
* \param head Pointer to the head of the list of named data entries to free
*/
void mbedtls_asn1_free_named_data_list( mbedtls_asn1_named_data **head );
#ifdef __cplusplus
}
#endif
#endif /* asn1.h */

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/**
* \file asn1write.h
*
* \brief ASN.1 buffer writing functionality
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_ASN1_WRITE_H
#define MBEDTLS_ASN1_WRITE_H
#include "asn1.h"
#define MBEDTLS_ASN1_CHK_ADD(g, f) do { if( ( ret = f ) < 0 ) return( ret ); else \
g += ret; } while( 0 )
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Write a length field in ASN.1 format
* Note: function works backwards in data buffer
*
* \param p reference to current position pointer
* \param start start of the buffer (for bounds-checking)
* \param len the length to write
*
* \return the length written or a negative error code
*/
int mbedtls_asn1_write_len( unsigned char **p, unsigned char *start, size_t len );
/**
* \brief Write a ASN.1 tag in ASN.1 format
* Note: function works backwards in data buffer
*
* \param p reference to current position pointer
* \param start start of the buffer (for bounds-checking)
* \param tag the tag to write
*
* \return the length written or a negative error code
*/
int mbedtls_asn1_write_tag( unsigned char **p, unsigned char *start,
unsigned char tag );
/**
* \brief Write raw buffer data
* Note: function works backwards in data buffer
*
* \param p reference to current position pointer
* \param start start of the buffer (for bounds-checking)
* \param buf data buffer to write
* \param size length of the data buffer
*
* \return the length written or a negative error code
*/
int mbedtls_asn1_write_raw_buffer( unsigned char **p, unsigned char *start,
const unsigned char *buf, size_t size );
#if defined(MBEDTLS_BIGNUM_C)
/**
* \brief Write a big number (MBEDTLS_ASN1_INTEGER) in ASN.1 format
* Note: function works backwards in data buffer
*
* \param p reference to current position pointer
* \param start start of the buffer (for bounds-checking)
* \param X the MPI to write
*
* \return the length written or a negative error code
*/
int mbedtls_asn1_write_mpi( unsigned char **p, unsigned char *start, const mbedtls_mpi *X );
#endif /* MBEDTLS_BIGNUM_C */
/**
* \brief Write a NULL tag (MBEDTLS_ASN1_NULL) with zero data in ASN.1 format
* Note: function works backwards in data buffer
*
* \param p reference to current position pointer
* \param start start of the buffer (for bounds-checking)
*
* \return the length written or a negative error code
*/
int mbedtls_asn1_write_null( unsigned char **p, unsigned char *start );
/**
* \brief Write an OID tag (MBEDTLS_ASN1_OID) and data in ASN.1 format
* Note: function works backwards in data buffer
*
* \param p reference to current position pointer
* \param start start of the buffer (for bounds-checking)
* \param oid the OID to write
* \param oid_len length of the OID
*
* \return the length written or a negative error code
*/
int mbedtls_asn1_write_oid( unsigned char **p, unsigned char *start,
const char *oid, size_t oid_len );
/**
* \brief Write an AlgorithmIdentifier sequence in ASN.1 format
* Note: function works backwards in data buffer
*
* \param p reference to current position pointer
* \param start start of the buffer (for bounds-checking)
* \param oid the OID of the algorithm
* \param oid_len length of the OID
* \param par_len length of parameters, which must be already written.
* If 0, NULL parameters are added
*
* \return the length written or a negative error code
*/
int mbedtls_asn1_write_algorithm_identifier( unsigned char **p, unsigned char *start,
const char *oid, size_t oid_len,
size_t par_len );
/**
* \brief Write a boolean tag (MBEDTLS_ASN1_BOOLEAN) and value in ASN.1 format
* Note: function works backwards in data buffer
*
* \param p reference to current position pointer
* \param start start of the buffer (for bounds-checking)
* \param boolean 0 or 1
*
* \return the length written or a negative error code
*/
int mbedtls_asn1_write_bool( unsigned char **p, unsigned char *start, int boolean );
/**
* \brief Write an int tag (MBEDTLS_ASN1_INTEGER) and value in ASN.1 format
* Note: function works backwards in data buffer
*
* \param p reference to current position pointer
* \param start start of the buffer (for bounds-checking)
* \param val the integer value
*
* \return the length written or a negative error code
*/
int mbedtls_asn1_write_int( unsigned char **p, unsigned char *start, int val );
/**
* \brief Write a printable string tag (MBEDTLS_ASN1_PRINTABLE_STRING) and
* value in ASN.1 format
* Note: function works backwards in data buffer
*
* \param p reference to current position pointer
* \param start start of the buffer (for bounds-checking)
* \param text the text to write
* \param text_len length of the text
*
* \return the length written or a negative error code
*/
int mbedtls_asn1_write_printable_string( unsigned char **p, unsigned char *start,
const char *text, size_t text_len );
/**
* \brief Write an IA5 string tag (MBEDTLS_ASN1_IA5_STRING) and
* value in ASN.1 format
* Note: function works backwards in data buffer
*
* \param p reference to current position pointer
* \param start start of the buffer (for bounds-checking)
* \param text the text to write
* \param text_len length of the text
*
* \return the length written or a negative error code
*/
int mbedtls_asn1_write_ia5_string( unsigned char **p, unsigned char *start,
const char *text, size_t text_len );
/**
* \brief Write a bitstring tag (MBEDTLS_ASN1_BIT_STRING) and
* value in ASN.1 format
* Note: function works backwards in data buffer
*
* \param p reference to current position pointer
* \param start start of the buffer (for bounds-checking)
* \param buf the bitstring
* \param bits the total number of bits in the bitstring
*
* \return the length written or a negative error code
*/
int mbedtls_asn1_write_bitstring( unsigned char **p, unsigned char *start,
const unsigned char *buf, size_t bits );
/**
* \brief Write an octet string tag (MBEDTLS_ASN1_OCTET_STRING) and
* value in ASN.1 format
* Note: function works backwards in data buffer
*
* \param p reference to current position pointer
* \param start start of the buffer (for bounds-checking)
* \param buf data buffer to write
* \param size length of the data buffer
*
* \return the length written or a negative error code
*/
int mbedtls_asn1_write_octet_string( unsigned char **p, unsigned char *start,
const unsigned char *buf, size_t size );
/**
* \brief Create or find a specific named_data entry for writing in a
* sequence or list based on the OID. If not already in there,
* a new entry is added to the head of the list.
* Warning: Destructive behaviour for the val data!
*
* \param list Pointer to the location of the head of the list to seek
* through (will be updated in case of a new entry)
* \param oid The OID to look for
* \param oid_len Size of the OID
* \param val Data to store (can be NULL if you want to fill it by hand)
* \param val_len Minimum length of the data buffer needed
*
* \return NULL if if there was a memory allocation error, or a pointer
* to the new / existing entry.
*/
mbedtls_asn1_named_data *mbedtls_asn1_store_named_data( mbedtls_asn1_named_data **list,
const char *oid, size_t oid_len,
const unsigned char *val,
size_t val_len );
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_ASN1_WRITE_H */

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/**
* \file base64.h
*
* \brief RFC 1521 base64 encoding/decoding
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_BASE64_H
#define MBEDTLS_BASE64_H
#include <stddef.h>
#define MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL -0x002A /**< Output buffer too small. */
#define MBEDTLS_ERR_BASE64_INVALID_CHARACTER -0x002C /**< Invalid character in input. */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Encode a buffer into base64 format
*
* \param dst destination buffer
* \param dlen size of the destination buffer
* \param olen number of bytes written
* \param src source buffer
* \param slen amount of data to be encoded
*
* \return 0 if successful, or MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL.
* *olen is always updated to reflect the amount
* of data that has (or would have) been written.
* If that length cannot be represented, then no data is
* written to the buffer and *olen is set to the maximum
* length representable as a size_t.
*
* \note Call this function with dlen = 0 to obtain the
* required buffer size in *olen
*/
int mbedtls_base64_encode( unsigned char *dst, size_t dlen, size_t *olen,
const unsigned char *src, size_t slen );
/**
* \brief Decode a base64-formatted buffer
*
* \param dst destination buffer (can be NULL for checking size)
* \param dlen size of the destination buffer
* \param olen number of bytes written
* \param src source buffer
* \param slen amount of data to be decoded
*
* \return 0 if successful, MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL, or
* MBEDTLS_ERR_BASE64_INVALID_CHARACTER if the input data is
* not correct. *olen is always updated to reflect the amount
* of data that has (or would have) been written.
*
* \note Call this function with *dst = NULL or dlen = 0 to obtain
* the required buffer size in *olen
*/
int mbedtls_base64_decode( unsigned char *dst, size_t dlen, size_t *olen,
const unsigned char *src, size_t slen );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_base64_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* base64.h */

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/**
* \file bignum.h
*
* \brief Multi-precision integer library
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_BIGNUM_H
#define MBEDTLS_BIGNUM_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#include <stdint.h>
#if defined(MBEDTLS_FS_IO)
#include <stdio.h>
#endif
#define MBEDTLS_ERR_MPI_FILE_IO_ERROR -0x0002 /**< An error occurred while reading from or writing to a file. */
#define MBEDTLS_ERR_MPI_BAD_INPUT_DATA -0x0004 /**< Bad input parameters to function. */
#define MBEDTLS_ERR_MPI_INVALID_CHARACTER -0x0006 /**< There is an invalid character in the digit string. */
#define MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL -0x0008 /**< The buffer is too small to write to. */
#define MBEDTLS_ERR_MPI_NEGATIVE_VALUE -0x000A /**< The input arguments are negative or result in illegal output. */
#define MBEDTLS_ERR_MPI_DIVISION_BY_ZERO -0x000C /**< The input argument for division is zero, which is not allowed. */
#define MBEDTLS_ERR_MPI_NOT_ACCEPTABLE -0x000E /**< The input arguments are not acceptable. */
#define MBEDTLS_ERR_MPI_ALLOC_FAILED -0x0010 /**< Memory allocation failed. */
#define MBEDTLS_MPI_CHK(f) do { if( ( ret = f ) != 0 ) goto cleanup; } while( 0 )
/*
* Maximum size MPIs are allowed to grow to in number of limbs.
*/
#define MBEDTLS_MPI_MAX_LIMBS 10000
#if !defined(MBEDTLS_MPI_WINDOW_SIZE)
/*
* Maximum window size used for modular exponentiation. Default: 6
* Minimum value: 1. Maximum value: 6.
*
* Result is an array of ( 2 << MBEDTLS_MPI_WINDOW_SIZE ) MPIs used
* for the sliding window calculation. (So 64 by default)
*
* Reduction in size, reduces speed.
*/
#define MBEDTLS_MPI_WINDOW_SIZE 6 /**< Maximum windows size used. */
#endif /* !MBEDTLS_MPI_WINDOW_SIZE */
#if !defined(MBEDTLS_MPI_MAX_SIZE)
/*
* Maximum size of MPIs allowed in bits and bytes for user-MPIs.
* ( Default: 512 bytes => 4096 bits, Maximum tested: 2048 bytes => 16384 bits )
*
* Note: Calculations can results temporarily in larger MPIs. So the number
* of limbs required (MBEDTLS_MPI_MAX_LIMBS) is higher.
*/
#define MBEDTLS_MPI_MAX_SIZE 1024 /**< Maximum number of bytes for usable MPIs. */
#endif /* !MBEDTLS_MPI_MAX_SIZE */
#define MBEDTLS_MPI_MAX_BITS ( 8 * MBEDTLS_MPI_MAX_SIZE ) /**< Maximum number of bits for usable MPIs. */
/*
* When reading from files with mbedtls_mpi_read_file() and writing to files with
* mbedtls_mpi_write_file() the buffer should have space
* for a (short) label, the MPI (in the provided radix), the newline
* characters and the '\0'.
*
* By default we assume at least a 10 char label, a minimum radix of 10
* (decimal) and a maximum of 4096 bit numbers (1234 decimal chars).
* Autosized at compile time for at least a 10 char label, a minimum radix
* of 10 (decimal) for a number of MBEDTLS_MPI_MAX_BITS size.
*
* This used to be statically sized to 1250 for a maximum of 4096 bit
* numbers (1234 decimal chars).
*
* Calculate using the formula:
* MBEDTLS_MPI_RW_BUFFER_SIZE = ceil(MBEDTLS_MPI_MAX_BITS / ln(10) * ln(2)) +
* LabelSize + 6
*/
#define MBEDTLS_MPI_MAX_BITS_SCALE100 ( 100 * MBEDTLS_MPI_MAX_BITS )
#define MBEDTLS_LN_2_DIV_LN_10_SCALE100 332
#define MBEDTLS_MPI_RW_BUFFER_SIZE ( ((MBEDTLS_MPI_MAX_BITS_SCALE100 + MBEDTLS_LN_2_DIV_LN_10_SCALE100 - 1) / MBEDTLS_LN_2_DIV_LN_10_SCALE100) + 10 + 6 )
/*
* Define the base integer type, architecture-wise.
*
* 32-bit integers can be forced on 64-bit arches (eg. for testing purposes)
* by defining MBEDTLS_HAVE_INT32 and undefining MBEDTLS_HAVE_ASM
*/
#if ( ! defined(MBEDTLS_HAVE_INT32) && \
defined(_MSC_VER) && defined(_M_AMD64) )
#define MBEDTLS_HAVE_INT64
typedef int64_t mbedtls_mpi_sint;
typedef uint64_t mbedtls_mpi_uint;
#else
#if ( ! defined(MBEDTLS_HAVE_INT32) && \
defined(__GNUC__) && ( \
defined(__amd64__) || defined(__x86_64__) || \
defined(__ppc64__) || defined(__powerpc64__) || \
defined(__ia64__) || defined(__alpha__) || \
(defined(__sparc__) && defined(__arch64__)) || \
defined(__s390x__) || defined(__mips64) ) )
#define MBEDTLS_HAVE_INT64
typedef int64_t mbedtls_mpi_sint;
typedef uint64_t mbedtls_mpi_uint;
/* mbedtls_t_udbl defined as 128-bit unsigned int */
typedef unsigned int mbedtls_t_udbl __attribute__((mode(TI)));
#define MBEDTLS_HAVE_UDBL
#else
#define MBEDTLS_HAVE_INT32
typedef int32_t mbedtls_mpi_sint;
typedef uint32_t mbedtls_mpi_uint;
typedef uint64_t mbedtls_t_udbl;
#define MBEDTLS_HAVE_UDBL
#endif /* !MBEDTLS_HAVE_INT32 && __GNUC__ && 64-bit platform */
#endif /* !MBEDTLS_HAVE_INT32 && _MSC_VER && _M_AMD64 */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief MPI structure
*/
typedef struct
{
int s; /*!< integer sign */
size_t n; /*!< total # of limbs */
mbedtls_mpi_uint *p; /*!< pointer to limbs */
}
mbedtls_mpi;
/**
* \brief Initialize one MPI (make internal references valid)
* This just makes it ready to be set or freed,
* but does not define a value for the MPI.
*
* \param X One MPI to initialize.
*/
void mbedtls_mpi_init( mbedtls_mpi *X );
/**
* \brief Unallocate one MPI
*
* \param X One MPI to unallocate.
*/
void mbedtls_mpi_free( mbedtls_mpi *X );
/**
* \brief Enlarge to the specified number of limbs
*
* \param X MPI to grow
* \param nblimbs The target number of limbs
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_grow( mbedtls_mpi *X, size_t nblimbs );
/**
* \brief Resize down, keeping at least the specified number of limbs
*
* \param X MPI to shrink
* \param nblimbs The minimum number of limbs to keep
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_shrink( mbedtls_mpi *X, size_t nblimbs );
/**
* \brief Copy the contents of Y into X
*
* \param X Destination MPI
* \param Y Source MPI
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_copy( mbedtls_mpi *X, const mbedtls_mpi *Y );
/**
* \brief Swap the contents of X and Y
*
* \param X First MPI value
* \param Y Second MPI value
*/
void mbedtls_mpi_swap( mbedtls_mpi *X, mbedtls_mpi *Y );
/**
* \brief Safe conditional assignement X = Y if assign is 1
*
* \param X MPI to conditionally assign to
* \param Y Value to be assigned
* \param assign 1: perform the assignment, 0: keep X's original value
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed,
*
* \note This function is equivalent to
* if( assign ) mbedtls_mpi_copy( X, Y );
* except that it avoids leaking any information about whether
* the assignment was done or not (the above code may leak
* information through branch prediction and/or memory access
* patterns analysis).
*/
int mbedtls_mpi_safe_cond_assign( mbedtls_mpi *X, const mbedtls_mpi *Y, unsigned char assign );
/**
* \brief Safe conditional swap X <-> Y if swap is 1
*
* \param X First mbedtls_mpi value
* \param Y Second mbedtls_mpi value
* \param assign 1: perform the swap, 0: keep X and Y's original values
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed,
*
* \note This function is equivalent to
* if( assign ) mbedtls_mpi_swap( X, Y );
* except that it avoids leaking any information about whether
* the assignment was done or not (the above code may leak
* information through branch prediction and/or memory access
* patterns analysis).
*/
int mbedtls_mpi_safe_cond_swap( mbedtls_mpi *X, mbedtls_mpi *Y, unsigned char assign );
/**
* \brief Set value from integer
*
* \param X MPI to set
* \param z Value to use
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_lset( mbedtls_mpi *X, mbedtls_mpi_sint z );
/**
* \brief Get a specific bit from X
*
* \param X MPI to use
* \param pos Zero-based index of the bit in X
*
* \return Either a 0 or a 1
*/
int mbedtls_mpi_get_bit( const mbedtls_mpi *X, size_t pos );
/**
* \brief Set a bit of X to a specific value of 0 or 1
*
* \note Will grow X if necessary to set a bit to 1 in a not yet
* existing limb. Will not grow if bit should be set to 0
*
* \param X MPI to use
* \param pos Zero-based index of the bit in X
* \param val The value to set the bit to (0 or 1)
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed,
* MBEDTLS_ERR_MPI_BAD_INPUT_DATA if val is not 0 or 1
*/
int mbedtls_mpi_set_bit( mbedtls_mpi *X, size_t pos, unsigned char val );
/**
* \brief Return the number of zero-bits before the least significant
* '1' bit
*
* Note: Thus also the zero-based index of the least significant '1' bit
*
* \param X MPI to use
*/
size_t mbedtls_mpi_lsb( const mbedtls_mpi *X );
/**
* \brief Return the number of bits up to and including the most
* significant '1' bit'
*
* Note: Thus also the one-based index of the most significant '1' bit
*
* \param X MPI to use
*/
size_t mbedtls_mpi_bitlen( const mbedtls_mpi *X );
/**
* \brief Return the total size in bytes
*
* \param X MPI to use
*/
size_t mbedtls_mpi_size( const mbedtls_mpi *X );
/**
* \brief Import from an ASCII string
*
* \param X Destination MPI
* \param radix Input numeric base
* \param s Null-terminated string buffer
*
* \return 0 if successful, or a MBEDTLS_ERR_MPI_XXX error code
*/
int mbedtls_mpi_read_string( mbedtls_mpi *X, int radix, const char *s );
/**
* \brief Export into an ASCII string
*
* \param X Source MPI
* \param radix Output numeric base
* \param buf Buffer to write the string to
* \param buflen Length of buf
* \param olen Length of the string written, including final NUL byte
*
* \return 0 if successful, or a MBEDTLS_ERR_MPI_XXX error code.
* *olen is always updated to reflect the amount
* of data that has (or would have) been written.
*
* \note Call this function with buflen = 0 to obtain the
* minimum required buffer size in *olen.
*/
int mbedtls_mpi_write_string( const mbedtls_mpi *X, int radix,
char *buf, size_t buflen, size_t *olen );
#if defined(MBEDTLS_FS_IO)
/**
* \brief Read X from an opened file
*
* \param X Destination MPI
* \param radix Input numeric base
* \param fin Input file handle
*
* \return 0 if successful, MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL if
* the file read buffer is too small or a
* MBEDTLS_ERR_MPI_XXX error code
*/
int mbedtls_mpi_read_file( mbedtls_mpi *X, int radix, FILE *fin );
/**
* \brief Write X into an opened file, or stdout if fout is NULL
*
* \param p Prefix, can be NULL
* \param X Source MPI
* \param radix Output numeric base
* \param fout Output file handle (can be NULL)
*
* \return 0 if successful, or a MBEDTLS_ERR_MPI_XXX error code
*
* \note Set fout == NULL to print X on the console.
*/
int mbedtls_mpi_write_file( const char *p, const mbedtls_mpi *X, int radix, FILE *fout );
#endif /* MBEDTLS_FS_IO */
/**
* \brief Import X from unsigned binary data, big endian
*
* \param X Destination MPI
* \param buf Input buffer
* \param buflen Input buffer size
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_read_binary( mbedtls_mpi *X, const unsigned char *buf, size_t buflen );
/**
* \brief Export X into unsigned binary data, big endian.
* Always fills the whole buffer, which will start with zeros
* if the number is smaller.
*
* \param X Source MPI
* \param buf Output buffer
* \param buflen Output buffer size
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL if buf isn't large enough
*/
int mbedtls_mpi_write_binary( const mbedtls_mpi *X, unsigned char *buf, size_t buflen );
/**
* \brief Left-shift: X <<= count
*
* \param X MPI to shift
* \param count Amount to shift
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_shift_l( mbedtls_mpi *X, size_t count );
/**
* \brief Right-shift: X >>= count
*
* \param X MPI to shift
* \param count Amount to shift
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_shift_r( mbedtls_mpi *X, size_t count );
/**
* \brief Compare unsigned values
*
* \param X Left-hand MPI
* \param Y Right-hand MPI
*
* \return 1 if |X| is greater than |Y|,
* -1 if |X| is lesser than |Y| or
* 0 if |X| is equal to |Y|
*/
int mbedtls_mpi_cmp_abs( const mbedtls_mpi *X, const mbedtls_mpi *Y );
/**
* \brief Compare signed values
*
* \param X Left-hand MPI
* \param Y Right-hand MPI
*
* \return 1 if X is greater than Y,
* -1 if X is lesser than Y or
* 0 if X is equal to Y
*/
int mbedtls_mpi_cmp_mpi( const mbedtls_mpi *X, const mbedtls_mpi *Y );
/**
* \brief Compare signed values
*
* \param X Left-hand MPI
* \param z The integer value to compare to
*
* \return 1 if X is greater than z,
* -1 if X is lesser than z or
* 0 if X is equal to z
*/
int mbedtls_mpi_cmp_int( const mbedtls_mpi *X, mbedtls_mpi_sint z );
/**
* \brief Unsigned addition: X = |A| + |B|
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_add_abs( mbedtls_mpi *X, const mbedtls_mpi *A, const mbedtls_mpi *B );
/**
* \brief Unsigned subtraction: X = |A| - |B|
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_NEGATIVE_VALUE if B is greater than A
*/
int mbedtls_mpi_sub_abs( mbedtls_mpi *X, const mbedtls_mpi *A, const mbedtls_mpi *B );
/**
* \brief Signed addition: X = A + B
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_add_mpi( mbedtls_mpi *X, const mbedtls_mpi *A, const mbedtls_mpi *B );
/**
* \brief Signed subtraction: X = A - B
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_sub_mpi( mbedtls_mpi *X, const mbedtls_mpi *A, const mbedtls_mpi *B );
/**
* \brief Signed addition: X = A + b
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param b The integer value to add
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_add_int( mbedtls_mpi *X, const mbedtls_mpi *A, mbedtls_mpi_sint b );
/**
* \brief Signed subtraction: X = A - b
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param b The integer value to subtract
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_sub_int( mbedtls_mpi *X, const mbedtls_mpi *A, mbedtls_mpi_sint b );
/**
* \brief Baseline multiplication: X = A * B
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_mul_mpi( mbedtls_mpi *X, const mbedtls_mpi *A, const mbedtls_mpi *B );
/**
* \brief Baseline multiplication: X = A * b
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param b The unsigned integer value to multiply with
*
* \note b is unsigned
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_mul_int( mbedtls_mpi *X, const mbedtls_mpi *A, mbedtls_mpi_uint b );
/**
* \brief Division by mbedtls_mpi: A = Q * B + R
*
* \param Q Destination MPI for the quotient
* \param R Destination MPI for the rest value
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed,
* MBEDTLS_ERR_MPI_DIVISION_BY_ZERO if B == 0
*
* \note Either Q or R can be NULL.
*/
int mbedtls_mpi_div_mpi( mbedtls_mpi *Q, mbedtls_mpi *R, const mbedtls_mpi *A, const mbedtls_mpi *B );
/**
* \brief Division by int: A = Q * b + R
*
* \param Q Destination MPI for the quotient
* \param R Destination MPI for the rest value
* \param A Left-hand MPI
* \param b Integer to divide by
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed,
* MBEDTLS_ERR_MPI_DIVISION_BY_ZERO if b == 0
*
* \note Either Q or R can be NULL.
*/
int mbedtls_mpi_div_int( mbedtls_mpi *Q, mbedtls_mpi *R, const mbedtls_mpi *A, mbedtls_mpi_sint b );
/**
* \brief Modulo: R = A mod B
*
* \param R Destination MPI for the rest value
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed,
* MBEDTLS_ERR_MPI_DIVISION_BY_ZERO if B == 0,
* MBEDTLS_ERR_MPI_NEGATIVE_VALUE if B < 0
*/
int mbedtls_mpi_mod_mpi( mbedtls_mpi *R, const mbedtls_mpi *A, const mbedtls_mpi *B );
/**
* \brief Modulo: r = A mod b
*
* \param r Destination mbedtls_mpi_uint
* \param A Left-hand MPI
* \param b Integer to divide by
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed,
* MBEDTLS_ERR_MPI_DIVISION_BY_ZERO if b == 0,
* MBEDTLS_ERR_MPI_NEGATIVE_VALUE if b < 0
*/
int mbedtls_mpi_mod_int( mbedtls_mpi_uint *r, const mbedtls_mpi *A, mbedtls_mpi_sint b );
/**
* \brief Sliding-window exponentiation: X = A^E mod N
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param E Exponent MPI
* \param N Modular MPI
* \param _RR Speed-up MPI used for recalculations
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed,
* MBEDTLS_ERR_MPI_BAD_INPUT_DATA if N is negative or even or
* if E is negative
*
* \note _RR is used to avoid re-computing R*R mod N across
* multiple calls, which speeds up things a bit. It can
* be set to NULL if the extra performance is unneeded.
*/
int mbedtls_mpi_exp_mod( mbedtls_mpi *X, const mbedtls_mpi *A, const mbedtls_mpi *E, const mbedtls_mpi *N, mbedtls_mpi *_RR );
/**
* \brief Fill an MPI X with size bytes of random
*
* \param X Destination MPI
* \param size Size in bytes
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_fill_random( mbedtls_mpi *X, size_t size,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Greatest common divisor: G = gcd(A, B)
*
* \param G Destination MPI
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed
*/
int mbedtls_mpi_gcd( mbedtls_mpi *G, const mbedtls_mpi *A, const mbedtls_mpi *B );
/**
* \brief Modular inverse: X = A^-1 mod N
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param N Right-hand MPI
*
* \return 0 if successful,
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed,
* MBEDTLS_ERR_MPI_BAD_INPUT_DATA if N is negative or nil
MBEDTLS_ERR_MPI_NOT_ACCEPTABLE if A has no inverse mod N
*/
int mbedtls_mpi_inv_mod( mbedtls_mpi *X, const mbedtls_mpi *A, const mbedtls_mpi *N );
/**
* \brief Miller-Rabin primality test
*
* \param X MPI to check
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \return 0 if successful (probably prime),
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed,
* MBEDTLS_ERR_MPI_NOT_ACCEPTABLE if X is not prime
*/
int mbedtls_mpi_is_prime( const mbedtls_mpi *X,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Prime number generation
*
* \param X Destination MPI
* \param nbits Required size of X in bits
* ( 3 <= nbits <= MBEDTLS_MPI_MAX_BITS )
* \param dh_flag If 1, then (X-1)/2 will be prime too
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \return 0 if successful (probably prime),
* MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed,
* MBEDTLS_ERR_MPI_BAD_INPUT_DATA if nbits is < 3
*/
int mbedtls_mpi_gen_prime( mbedtls_mpi *X, size_t nbits, int dh_flag,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_mpi_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* bignum.h */

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/**
* \file blowfish.h
*
* \brief Blowfish block cipher
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_BLOWFISH_H
#define MBEDTLS_BLOWFISH_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#include <stdint.h>
#define MBEDTLS_BLOWFISH_ENCRYPT 1
#define MBEDTLS_BLOWFISH_DECRYPT 0
#define MBEDTLS_BLOWFISH_MAX_KEY_BITS 448
#define MBEDTLS_BLOWFISH_MIN_KEY_BITS 32
#define MBEDTLS_BLOWFISH_ROUNDS 16 /**< Rounds to use. When increasing this value, make sure to extend the initialisation vectors */
#define MBEDTLS_BLOWFISH_BLOCKSIZE 8 /* Blowfish uses 64 bit blocks */
#define MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH -0x0016 /**< Invalid key length. */
#define MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH -0x0018 /**< Invalid data input length. */
#if !defined(MBEDTLS_BLOWFISH_ALT)
// Regular implementation
//
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Blowfish context structure
*/
typedef struct
{
uint32_t P[MBEDTLS_BLOWFISH_ROUNDS + 2]; /*!< Blowfish round keys */
uint32_t S[4][256]; /*!< key dependent S-boxes */
}
mbedtls_blowfish_context;
/**
* \brief Initialize Blowfish context
*
* \param ctx Blowfish context to be initialized
*/
void mbedtls_blowfish_init( mbedtls_blowfish_context *ctx );
/**
* \brief Clear Blowfish context
*
* \param ctx Blowfish context to be cleared
*/
void mbedtls_blowfish_free( mbedtls_blowfish_context *ctx );
/**
* \brief Blowfish key schedule
*
* \param ctx Blowfish context to be initialized
* \param key encryption key
* \param keybits must be between 32 and 448 bits
*
* \return 0 if successful, or MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH
*/
int mbedtls_blowfish_setkey( mbedtls_blowfish_context *ctx, const unsigned char *key,
unsigned int keybits );
/**
* \brief Blowfish-ECB block encryption/decryption
*
* \param ctx Blowfish context
* \param mode MBEDTLS_BLOWFISH_ENCRYPT or MBEDTLS_BLOWFISH_DECRYPT
* \param input 8-byte input block
* \param output 8-byte output block
*
* \return 0 if successful
*/
int mbedtls_blowfish_crypt_ecb( mbedtls_blowfish_context *ctx,
int mode,
const unsigned char input[MBEDTLS_BLOWFISH_BLOCKSIZE],
unsigned char output[MBEDTLS_BLOWFISH_BLOCKSIZE] );
#if defined(MBEDTLS_CIPHER_MODE_CBC)
/**
* \brief Blowfish-CBC buffer encryption/decryption
* Length should be a multiple of the block
* size (8 bytes)
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* block(s) of data and get the same result as if it was
* encrypted in one call. This allows a "streaming" usage.
* If on the other hand you need to retain the contents of the
* IV, you should either save it manually or use the cipher
* module instead.
*
* \param ctx Blowfish context
* \param mode MBEDTLS_BLOWFISH_ENCRYPT or MBEDTLS_BLOWFISH_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful, or
* MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH
*/
int mbedtls_blowfish_crypt_cbc( mbedtls_blowfish_context *ctx,
int mode,
size_t length,
unsigned char iv[MBEDTLS_BLOWFISH_BLOCKSIZE],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CBC */
#if defined(MBEDTLS_CIPHER_MODE_CFB)
/**
* \brief Blowfish CFB buffer encryption/decryption.
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* block(s) of data and get the same result as if it was
* encrypted in one call. This allows a "streaming" usage.
* If on the other hand you need to retain the contents of the
* IV, you should either save it manually or use the cipher
* module instead.
*
* \param ctx Blowfish context
* \param mode MBEDTLS_BLOWFISH_ENCRYPT or MBEDTLS_BLOWFISH_DECRYPT
* \param length length of the input data
* \param iv_off offset in IV (updated after use)
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful
*/
int mbedtls_blowfish_crypt_cfb64( mbedtls_blowfish_context *ctx,
int mode,
size_t length,
size_t *iv_off,
unsigned char iv[MBEDTLS_BLOWFISH_BLOCKSIZE],
const unsigned char *input,
unsigned char *output );
#endif /*MBEDTLS_CIPHER_MODE_CFB */
#if defined(MBEDTLS_CIPHER_MODE_CTR)
/**
* \brief Blowfish-CTR buffer encryption/decryption
*
* Warning: You have to keep the maximum use of your counter in mind!
*
* \param ctx Blowfish context
* \param length The length of the data
* \param nc_off The offset in the current stream_block (for resuming
* within current cipher stream). The offset pointer to
* should be 0 at the start of a stream.
* \param nonce_counter The 64-bit nonce and counter.
* \param stream_block The saved stream-block for resuming. Is overwritten
* by the function.
* \param input The input data stream
* \param output The output data stream
*
* \return 0 if successful
*/
int mbedtls_blowfish_crypt_ctr( mbedtls_blowfish_context *ctx,
size_t length,
size_t *nc_off,
unsigned char nonce_counter[MBEDTLS_BLOWFISH_BLOCKSIZE],
unsigned char stream_block[MBEDTLS_BLOWFISH_BLOCKSIZE],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CTR */
#ifdef __cplusplus
}
#endif
#else /* MBEDTLS_BLOWFISH_ALT */
#include "blowfish_alt.h"
#endif /* MBEDTLS_BLOWFISH_ALT */
#endif /* blowfish.h */

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include/mbedtls/bn_mul.h Normal file
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/**
* \file bn_mul.h
*
* \brief Multi-precision integer library
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
/*
* Multiply source vector [s] with b, add result
* to destination vector [d] and set carry c.
*
* Currently supports:
*
* . IA-32 (386+) . AMD64 / EM64T
* . IA-32 (SSE2) . Motorola 68000
* . PowerPC, 32-bit . MicroBlaze
* . PowerPC, 64-bit . TriCore
* . SPARC v8 . ARM v3+
* . Alpha . MIPS32
* . C, longlong . C, generic
*/
#ifndef MBEDTLS_BN_MUL_H
#define MBEDTLS_BN_MUL_H
#include "bignum.h"
#if defined(MBEDTLS_HAVE_ASM)
#ifndef asm
#define asm __asm
#endif
/* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */
#if defined(__GNUC__) && \
( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 )
#if defined(__i386__)
#define MULADDC_INIT \
asm( \
"movl %%ebx, %0 \n\t" \
"movl %5, %%esi \n\t" \
"movl %6, %%edi \n\t" \
"movl %7, %%ecx \n\t" \
"movl %8, %%ebx \n\t"
#define MULADDC_CORE \
"lodsl \n\t" \
"mull %%ebx \n\t" \
"addl %%ecx, %%eax \n\t" \
"adcl $0, %%edx \n\t" \
"addl (%%edi), %%eax \n\t" \
"adcl $0, %%edx \n\t" \
"movl %%edx, %%ecx \n\t" \
"stosl \n\t"
#if defined(MBEDTLS_HAVE_SSE2)
#define MULADDC_HUIT \
"movd %%ecx, %%mm1 \n\t" \
"movd %%ebx, %%mm0 \n\t" \
"movd (%%edi), %%mm3 \n\t" \
"paddq %%mm3, %%mm1 \n\t" \
"movd (%%esi), %%mm2 \n\t" \
"pmuludq %%mm0, %%mm2 \n\t" \
"movd 4(%%esi), %%mm4 \n\t" \
"pmuludq %%mm0, %%mm4 \n\t" \
"movd 8(%%esi), %%mm6 \n\t" \
"pmuludq %%mm0, %%mm6 \n\t" \
"movd 12(%%esi), %%mm7 \n\t" \
"pmuludq %%mm0, %%mm7 \n\t" \
"paddq %%mm2, %%mm1 \n\t" \
"movd 4(%%edi), %%mm3 \n\t" \
"paddq %%mm4, %%mm3 \n\t" \
"movd 8(%%edi), %%mm5 \n\t" \
"paddq %%mm6, %%mm5 \n\t" \
"movd 12(%%edi), %%mm4 \n\t" \
"paddq %%mm4, %%mm7 \n\t" \
"movd %%mm1, (%%edi) \n\t" \
"movd 16(%%esi), %%mm2 \n\t" \
"pmuludq %%mm0, %%mm2 \n\t" \
"psrlq $32, %%mm1 \n\t" \
"movd 20(%%esi), %%mm4 \n\t" \
"pmuludq %%mm0, %%mm4 \n\t" \
"paddq %%mm3, %%mm1 \n\t" \
"movd 24(%%esi), %%mm6 \n\t" \
"pmuludq %%mm0, %%mm6 \n\t" \
"movd %%mm1, 4(%%edi) \n\t" \
"psrlq $32, %%mm1 \n\t" \
"movd 28(%%esi), %%mm3 \n\t" \
"pmuludq %%mm0, %%mm3 \n\t" \
"paddq %%mm5, %%mm1 \n\t" \
"movd 16(%%edi), %%mm5 \n\t" \
"paddq %%mm5, %%mm2 \n\t" \
"movd %%mm1, 8(%%edi) \n\t" \
"psrlq $32, %%mm1 \n\t" \
"paddq %%mm7, %%mm1 \n\t" \
"movd 20(%%edi), %%mm5 \n\t" \
"paddq %%mm5, %%mm4 \n\t" \
"movd %%mm1, 12(%%edi) \n\t" \
"psrlq $32, %%mm1 \n\t" \
"paddq %%mm2, %%mm1 \n\t" \
"movd 24(%%edi), %%mm5 \n\t" \
"paddq %%mm5, %%mm6 \n\t" \
"movd %%mm1, 16(%%edi) \n\t" \
"psrlq $32, %%mm1 \n\t" \
"paddq %%mm4, %%mm1 \n\t" \
"movd 28(%%edi), %%mm5 \n\t" \
"paddq %%mm5, %%mm3 \n\t" \
"movd %%mm1, 20(%%edi) \n\t" \
"psrlq $32, %%mm1 \n\t" \
"paddq %%mm6, %%mm1 \n\t" \
"movd %%mm1, 24(%%edi) \n\t" \
"psrlq $32, %%mm1 \n\t" \
"paddq %%mm3, %%mm1 \n\t" \
"movd %%mm1, 28(%%edi) \n\t" \
"addl $32, %%edi \n\t" \
"addl $32, %%esi \n\t" \
"psrlq $32, %%mm1 \n\t" \
"movd %%mm1, %%ecx \n\t"
#define MULADDC_STOP \
"emms \n\t" \
"movl %4, %%ebx \n\t" \
"movl %%ecx, %1 \n\t" \
"movl %%edi, %2 \n\t" \
"movl %%esi, %3 \n\t" \
: "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
: "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
: "eax", "ecx", "edx", "esi", "edi" \
);
#else
#define MULADDC_STOP \
"movl %4, %%ebx \n\t" \
"movl %%ecx, %1 \n\t" \
"movl %%edi, %2 \n\t" \
"movl %%esi, %3 \n\t" \
: "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
: "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
: "eax", "ecx", "edx", "esi", "edi" \
);
#endif /* SSE2 */
#endif /* i386 */
#if defined(__amd64__) || defined (__x86_64__)
#define MULADDC_INIT \
asm( \
"xorq %%r8, %%r8 \n\t"
#define MULADDC_CORE \
"movq (%%rsi), %%rax \n\t" \
"mulq %%rbx \n\t" \
"addq $8, %%rsi \n\t" \
"addq %%rcx, %%rax \n\t" \
"movq %%r8, %%rcx \n\t" \
"adcq $0, %%rdx \n\t" \
"nop \n\t" \
"addq %%rax, (%%rdi) \n\t" \
"adcq %%rdx, %%rcx \n\t" \
"addq $8, %%rdi \n\t"
#define MULADDC_STOP \
: "+c" (c), "+D" (d), "+S" (s) \
: "b" (b) \
: "rax", "rdx", "r8" \
);
#endif /* AMD64 */
#if defined(__mc68020__) || defined(__mcpu32__)
#define MULADDC_INIT \
asm( \
"movl %3, %%a2 \n\t" \
"movl %4, %%a3 \n\t" \
"movl %5, %%d3 \n\t" \
"movl %6, %%d2 \n\t" \
"moveq #0, %%d0 \n\t"
#define MULADDC_CORE \
"movel %%a2@+, %%d1 \n\t" \
"mulul %%d2, %%d4:%%d1 \n\t" \
"addl %%d3, %%d1 \n\t" \
"addxl %%d0, %%d4 \n\t" \
"moveq #0, %%d3 \n\t" \
"addl %%d1, %%a3@+ \n\t" \
"addxl %%d4, %%d3 \n\t"
#define MULADDC_STOP \
"movl %%d3, %0 \n\t" \
"movl %%a3, %1 \n\t" \
"movl %%a2, %2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "d0", "d1", "d2", "d3", "d4", "a2", "a3" \
);
#define MULADDC_HUIT \
"movel %%a2@+, %%d1 \n\t" \
"mulul %%d2, %%d4:%%d1 \n\t" \
"addxl %%d3, %%d1 \n\t" \
"addxl %%d0, %%d4 \n\t" \
"addl %%d1, %%a3@+ \n\t" \
"movel %%a2@+, %%d1 \n\t" \
"mulul %%d2, %%d3:%%d1 \n\t" \
"addxl %%d4, %%d1 \n\t" \
"addxl %%d0, %%d3 \n\t" \
"addl %%d1, %%a3@+ \n\t" \
"movel %%a2@+, %%d1 \n\t" \
"mulul %%d2, %%d4:%%d1 \n\t" \
"addxl %%d3, %%d1 \n\t" \
"addxl %%d0, %%d4 \n\t" \
"addl %%d1, %%a3@+ \n\t" \
"movel %%a2@+, %%d1 \n\t" \
"mulul %%d2, %%d3:%%d1 \n\t" \
"addxl %%d4, %%d1 \n\t" \
"addxl %%d0, %%d3 \n\t" \
"addl %%d1, %%a3@+ \n\t" \
"movel %%a2@+, %%d1 \n\t" \
"mulul %%d2, %%d4:%%d1 \n\t" \
"addxl %%d3, %%d1 \n\t" \
"addxl %%d0, %%d4 \n\t" \
"addl %%d1, %%a3@+ \n\t" \
"movel %%a2@+, %%d1 \n\t" \
"mulul %%d2, %%d3:%%d1 \n\t" \
"addxl %%d4, %%d1 \n\t" \
"addxl %%d0, %%d3 \n\t" \
"addl %%d1, %%a3@+ \n\t" \
"movel %%a2@+, %%d1 \n\t" \
"mulul %%d2, %%d4:%%d1 \n\t" \
"addxl %%d3, %%d1 \n\t" \
"addxl %%d0, %%d4 \n\t" \
"addl %%d1, %%a3@+ \n\t" \
"movel %%a2@+, %%d1 \n\t" \
"mulul %%d2, %%d3:%%d1 \n\t" \
"addxl %%d4, %%d1 \n\t" \
"addxl %%d0, %%d3 \n\t" \
"addl %%d1, %%a3@+ \n\t" \
"addxl %%d0, %%d3 \n\t"
#endif /* MC68000 */
#if defined(__powerpc64__) || defined(__ppc64__)
#if defined(__MACH__) && defined(__APPLE__)
#define MULADDC_INIT \
asm( \
"ld r3, %3 \n\t" \
"ld r4, %4 \n\t" \
"ld r5, %5 \n\t" \
"ld r6, %6 \n\t" \
"addi r3, r3, -8 \n\t" \
"addi r4, r4, -8 \n\t" \
"addic r5, r5, 0 \n\t"
#define MULADDC_CORE \
"ldu r7, 8(r3) \n\t" \
"mulld r8, r7, r6 \n\t" \
"mulhdu r9, r7, r6 \n\t" \
"adde r8, r8, r5 \n\t" \
"ld r7, 8(r4) \n\t" \
"addze r5, r9 \n\t" \
"addc r8, r8, r7 \n\t" \
"stdu r8, 8(r4) \n\t"
#define MULADDC_STOP \
"addze r5, r5 \n\t" \
"addi r4, r4, 8 \n\t" \
"addi r3, r3, 8 \n\t" \
"std r5, %0 \n\t" \
"std r4, %1 \n\t" \
"std r3, %2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
);
#else /* __MACH__ && __APPLE__ */
#define MULADDC_INIT \
asm( \
"ld %%r3, %3 \n\t" \
"ld %%r4, %4 \n\t" \
"ld %%r5, %5 \n\t" \
"ld %%r6, %6 \n\t" \
"addi %%r3, %%r3, -8 \n\t" \
"addi %%r4, %%r4, -8 \n\t" \
"addic %%r5, %%r5, 0 \n\t"
#define MULADDC_CORE \
"ldu %%r7, 8(%%r3) \n\t" \
"mulld %%r8, %%r7, %%r6 \n\t" \
"mulhdu %%r9, %%r7, %%r6 \n\t" \
"adde %%r8, %%r8, %%r5 \n\t" \
"ld %%r7, 8(%%r4) \n\t" \
"addze %%r5, %%r9 \n\t" \
"addc %%r8, %%r8, %%r7 \n\t" \
"stdu %%r8, 8(%%r4) \n\t"
#define MULADDC_STOP \
"addze %%r5, %%r5 \n\t" \
"addi %%r4, %%r4, 8 \n\t" \
"addi %%r3, %%r3, 8 \n\t" \
"std %%r5, %0 \n\t" \
"std %%r4, %1 \n\t" \
"std %%r3, %2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
);
#endif /* __MACH__ && __APPLE__ */
#elif defined(__powerpc__) || defined(__ppc__) /* end PPC64/begin PPC32 */
#if defined(__MACH__) && defined(__APPLE__)
#define MULADDC_INIT \
asm( \
"lwz r3, %3 \n\t" \
"lwz r4, %4 \n\t" \
"lwz r5, %5 \n\t" \
"lwz r6, %6 \n\t" \
"addi r3, r3, -4 \n\t" \
"addi r4, r4, -4 \n\t" \
"addic r5, r5, 0 \n\t"
#define MULADDC_CORE \
"lwzu r7, 4(r3) \n\t" \
"mullw r8, r7, r6 \n\t" \
"mulhwu r9, r7, r6 \n\t" \
"adde r8, r8, r5 \n\t" \
"lwz r7, 4(r4) \n\t" \
"addze r5, r9 \n\t" \
"addc r8, r8, r7 \n\t" \
"stwu r8, 4(r4) \n\t"
#define MULADDC_STOP \
"addze r5, r5 \n\t" \
"addi r4, r4, 4 \n\t" \
"addi r3, r3, 4 \n\t" \
"stw r5, %0 \n\t" \
"stw r4, %1 \n\t" \
"stw r3, %2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
);
#else /* __MACH__ && __APPLE__ */
#define MULADDC_INIT \
asm( \
"lwz %%r3, %3 \n\t" \
"lwz %%r4, %4 \n\t" \
"lwz %%r5, %5 \n\t" \
"lwz %%r6, %6 \n\t" \
"addi %%r3, %%r3, -4 \n\t" \
"addi %%r4, %%r4, -4 \n\t" \
"addic %%r5, %%r5, 0 \n\t"
#define MULADDC_CORE \
"lwzu %%r7, 4(%%r3) \n\t" \
"mullw %%r8, %%r7, %%r6 \n\t" \
"mulhwu %%r9, %%r7, %%r6 \n\t" \
"adde %%r8, %%r8, %%r5 \n\t" \
"lwz %%r7, 4(%%r4) \n\t" \
"addze %%r5, %%r9 \n\t" \
"addc %%r8, %%r8, %%r7 \n\t" \
"stwu %%r8, 4(%%r4) \n\t"
#define MULADDC_STOP \
"addze %%r5, %%r5 \n\t" \
"addi %%r4, %%r4, 4 \n\t" \
"addi %%r3, %%r3, 4 \n\t" \
"stw %%r5, %0 \n\t" \
"stw %%r4, %1 \n\t" \
"stw %%r3, %2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
);
#endif /* __MACH__ && __APPLE__ */
#endif /* PPC32 */
/*
* The Sparc(64) assembly is reported to be broken.
* Disable it for now, until we're able to fix it.
*/
#if 0 && defined(__sparc__)
#if defined(__sparc64__)
#define MULADDC_INIT \
asm( \
"ldx %3, %%o0 \n\t" \
"ldx %4, %%o1 \n\t" \
"ld %5, %%o2 \n\t" \
"ld %6, %%o3 \n\t"
#define MULADDC_CORE \
"ld [%%o0], %%o4 \n\t" \
"inc 4, %%o0 \n\t" \
"ld [%%o1], %%o5 \n\t" \
"umul %%o3, %%o4, %%o4 \n\t" \
"addcc %%o4, %%o2, %%o4 \n\t" \
"rd %%y, %%g1 \n\t" \
"addx %%g1, 0, %%g1 \n\t" \
"addcc %%o4, %%o5, %%o4 \n\t" \
"st %%o4, [%%o1] \n\t" \
"addx %%g1, 0, %%o2 \n\t" \
"inc 4, %%o1 \n\t"
#define MULADDC_STOP \
"st %%o2, %0 \n\t" \
"stx %%o1, %1 \n\t" \
"stx %%o0, %2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "g1", "o0", "o1", "o2", "o3", "o4", \
"o5" \
);
#else /* __sparc64__ */
#define MULADDC_INIT \
asm( \
"ld %3, %%o0 \n\t" \
"ld %4, %%o1 \n\t" \
"ld %5, %%o2 \n\t" \
"ld %6, %%o3 \n\t"
#define MULADDC_CORE \
"ld [%%o0], %%o4 \n\t" \
"inc 4, %%o0 \n\t" \
"ld [%%o1], %%o5 \n\t" \
"umul %%o3, %%o4, %%o4 \n\t" \
"addcc %%o4, %%o2, %%o4 \n\t" \
"rd %%y, %%g1 \n\t" \
"addx %%g1, 0, %%g1 \n\t" \
"addcc %%o4, %%o5, %%o4 \n\t" \
"st %%o4, [%%o1] \n\t" \
"addx %%g1, 0, %%o2 \n\t" \
"inc 4, %%o1 \n\t"
#define MULADDC_STOP \
"st %%o2, %0 \n\t" \
"st %%o1, %1 \n\t" \
"st %%o0, %2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "g1", "o0", "o1", "o2", "o3", "o4", \
"o5" \
);
#endif /* __sparc64__ */
#endif /* __sparc__ */
#if defined(__microblaze__) || defined(microblaze)
#define MULADDC_INIT \
asm( \
"lwi r3, %3 \n\t" \
"lwi r4, %4 \n\t" \
"lwi r5, %5 \n\t" \
"lwi r6, %6 \n\t" \
"andi r7, r6, 0xffff \n\t" \
"bsrli r6, r6, 16 \n\t"
#define MULADDC_CORE \
"lhui r8, r3, 0 \n\t" \
"addi r3, r3, 2 \n\t" \
"lhui r9, r3, 0 \n\t" \
"addi r3, r3, 2 \n\t" \
"mul r10, r9, r6 \n\t" \
"mul r11, r8, r7 \n\t" \
"mul r12, r9, r7 \n\t" \
"mul r13, r8, r6 \n\t" \
"bsrli r8, r10, 16 \n\t" \
"bsrli r9, r11, 16 \n\t" \
"add r13, r13, r8 \n\t" \
"add r13, r13, r9 \n\t" \
"bslli r10, r10, 16 \n\t" \
"bslli r11, r11, 16 \n\t" \
"add r12, r12, r10 \n\t" \
"addc r13, r13, r0 \n\t" \
"add r12, r12, r11 \n\t" \
"addc r13, r13, r0 \n\t" \
"lwi r10, r4, 0 \n\t" \
"add r12, r12, r10 \n\t" \
"addc r13, r13, r0 \n\t" \
"add r12, r12, r5 \n\t" \
"addc r5, r13, r0 \n\t" \
"swi r12, r4, 0 \n\t" \
"addi r4, r4, 4 \n\t"
#define MULADDC_STOP \
"swi r5, %0 \n\t" \
"swi r4, %1 \n\t" \
"swi r3, %2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "r3", "r4" "r5", "r6", "r7", "r8", \
"r9", "r10", "r11", "r12", "r13" \
);
#endif /* MicroBlaze */
#if defined(__tricore__)
#define MULADDC_INIT \
asm( \
"ld.a %%a2, %3 \n\t" \
"ld.a %%a3, %4 \n\t" \
"ld.w %%d4, %5 \n\t" \
"ld.w %%d1, %6 \n\t" \
"xor %%d5, %%d5 \n\t"
#define MULADDC_CORE \
"ld.w %%d0, [%%a2+] \n\t" \
"madd.u %%e2, %%e4, %%d0, %%d1 \n\t" \
"ld.w %%d0, [%%a3] \n\t" \
"addx %%d2, %%d2, %%d0 \n\t" \
"addc %%d3, %%d3, 0 \n\t" \
"mov %%d4, %%d3 \n\t" \
"st.w [%%a3+], %%d2 \n\t"
#define MULADDC_STOP \
"st.w %0, %%d4 \n\t" \
"st.a %1, %%a3 \n\t" \
"st.a %2, %%a2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "d0", "d1", "e2", "d4", "a2", "a3" \
);
#endif /* TriCore */
/*
* gcc -O0 by default uses r7 for the frame pointer, so it complains about our
* use of r7 below, unless -fomit-frame-pointer is passed. Unfortunately,
* passing that option is not easy when building with yotta.
*
* On the other hand, -fomit-frame-pointer is implied by any -Ox options with
* x !=0, which we can detect using __OPTIMIZE__ (which is also defined by
* clang and armcc5 under the same conditions).
*
* So, only use the optimized assembly below for optimized build, which avoids
* the build error and is pretty reasonable anyway.
*/
#if defined(__GNUC__) && !defined(__OPTIMIZE__)
#define MULADDC_CANNOT_USE_R7
#endif
#if defined(__arm__) && !defined(MULADDC_CANNOT_USE_R7)
#if defined(__thumb__) && !defined(__thumb2__)
#define MULADDC_INIT \
asm( \
"ldr r0, %3 \n\t" \
"ldr r1, %4 \n\t" \
"ldr r2, %5 \n\t" \
"ldr r3, %6 \n\t" \
"lsr r7, r3, #16 \n\t" \
"mov r9, r7 \n\t" \
"lsl r7, r3, #16 \n\t" \
"lsr r7, r7, #16 \n\t" \
"mov r8, r7 \n\t"
#define MULADDC_CORE \
"ldmia r0!, {r6} \n\t" \
"lsr r7, r6, #16 \n\t" \
"lsl r6, r6, #16 \n\t" \
"lsr r6, r6, #16 \n\t" \
"mov r4, r8 \n\t" \
"mul r4, r6 \n\t" \
"mov r3, r9 \n\t" \
"mul r6, r3 \n\t" \
"mov r5, r9 \n\t" \
"mul r5, r7 \n\t" \
"mov r3, r8 \n\t" \
"mul r7, r3 \n\t" \
"lsr r3, r6, #16 \n\t" \
"add r5, r5, r3 \n\t" \
"lsr r3, r7, #16 \n\t" \
"add r5, r5, r3 \n\t" \
"add r4, r4, r2 \n\t" \
"mov r2, #0 \n\t" \
"adc r5, r2 \n\t" \
"lsl r3, r6, #16 \n\t" \
"add r4, r4, r3 \n\t" \
"adc r5, r2 \n\t" \
"lsl r3, r7, #16 \n\t" \
"add r4, r4, r3 \n\t" \
"adc r5, r2 \n\t" \
"ldr r3, [r1] \n\t" \
"add r4, r4, r3 \n\t" \
"adc r2, r5 \n\t" \
"stmia r1!, {r4} \n\t"
#define MULADDC_STOP \
"str r2, %0 \n\t" \
"str r1, %1 \n\t" \
"str r0, %2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "r0", "r1", "r2", "r3", "r4", "r5", \
"r6", "r7", "r8", "r9", "cc" \
);
#else
#define MULADDC_INIT \
asm( \
"ldr r0, %3 \n\t" \
"ldr r1, %4 \n\t" \
"ldr r2, %5 \n\t" \
"ldr r3, %6 \n\t"
#define MULADDC_CORE \
"ldr r4, [r0], #4 \n\t" \
"mov r5, #0 \n\t" \
"ldr r6, [r1] \n\t" \
"umlal r2, r5, r3, r4 \n\t" \
"adds r7, r6, r2 \n\t" \
"adc r2, r5, #0 \n\t" \
"str r7, [r1], #4 \n\t"
#define MULADDC_STOP \
"str r2, %0 \n\t" \
"str r1, %1 \n\t" \
"str r0, %2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "r0", "r1", "r2", "r3", "r4", "r5", \
"r6", "r7", "cc" \
);
#endif /* Thumb */
#endif /* ARMv3 */
#if defined(__alpha__)
#define MULADDC_INIT \
asm( \
"ldq $1, %3 \n\t" \
"ldq $2, %4 \n\t" \
"ldq $3, %5 \n\t" \
"ldq $4, %6 \n\t"
#define MULADDC_CORE \
"ldq $6, 0($1) \n\t" \
"addq $1, 8, $1 \n\t" \
"mulq $6, $4, $7 \n\t" \
"umulh $6, $4, $6 \n\t" \
"addq $7, $3, $7 \n\t" \
"cmpult $7, $3, $3 \n\t" \
"ldq $5, 0($2) \n\t" \
"addq $7, $5, $7 \n\t" \
"cmpult $7, $5, $5 \n\t" \
"stq $7, 0($2) \n\t" \
"addq $2, 8, $2 \n\t" \
"addq $6, $3, $3 \n\t" \
"addq $5, $3, $3 \n\t"
#define MULADDC_STOP \
"stq $3, %0 \n\t" \
"stq $2, %1 \n\t" \
"stq $1, %2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "$1", "$2", "$3", "$4", "$5", "$6", "$7" \
);
#endif /* Alpha */
#if defined(__mips__) && !defined(__mips64)
#define MULADDC_INIT \
asm( \
"lw $10, %3 \n\t" \
"lw $11, %4 \n\t" \
"lw $12, %5 \n\t" \
"lw $13, %6 \n\t"
#define MULADDC_CORE \
"lw $14, 0($10) \n\t" \
"multu $13, $14 \n\t" \
"addi $10, $10, 4 \n\t" \
"mflo $14 \n\t" \
"mfhi $9 \n\t" \
"addu $14, $12, $14 \n\t" \
"lw $15, 0($11) \n\t" \
"sltu $12, $14, $12 \n\t" \
"addu $15, $14, $15 \n\t" \
"sltu $14, $15, $14 \n\t" \
"addu $12, $12, $9 \n\t" \
"sw $15, 0($11) \n\t" \
"addu $12, $12, $14 \n\t" \
"addi $11, $11, 4 \n\t"
#define MULADDC_STOP \
"sw $12, %0 \n\t" \
"sw $11, %1 \n\t" \
"sw $10, %2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "$9", "$10", "$11", "$12", "$13", "$14", "$15" \
);
#endif /* MIPS */
#endif /* GNUC */
#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
#define MULADDC_INIT \
__asm mov esi, s \
__asm mov edi, d \
__asm mov ecx, c \
__asm mov ebx, b
#define MULADDC_CORE \
__asm lodsd \
__asm mul ebx \
__asm add eax, ecx \
__asm adc edx, 0 \
__asm add eax, [edi] \
__asm adc edx, 0 \
__asm mov ecx, edx \
__asm stosd
#if defined(MBEDTLS_HAVE_SSE2)
#define EMIT __asm _emit
#define MULADDC_HUIT \
EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
EMIT 0x0F EMIT 0x6E EMIT 0x1F \
EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
EMIT 0x0F EMIT 0x6E EMIT 0x16 \
EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
EMIT 0x0F EMIT 0x7E EMIT 0x0F \
EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0x7E EMIT 0xC9
#define MULADDC_STOP \
EMIT 0x0F EMIT 0x77 \
__asm mov c, ecx \
__asm mov d, edi \
__asm mov s, esi \
#else
#define MULADDC_STOP \
__asm mov c, ecx \
__asm mov d, edi \
__asm mov s, esi \
#endif /* SSE2 */
#endif /* MSVC */
#endif /* MBEDTLS_HAVE_ASM */
#if !defined(MULADDC_CORE)
#if defined(MBEDTLS_HAVE_UDBL)
#define MULADDC_INIT \
{ \
mbedtls_t_udbl r; \
mbedtls_mpi_uint r0, r1;
#define MULADDC_CORE \
r = *(s++) * (mbedtls_t_udbl) b; \
r0 = (mbedtls_mpi_uint) r; \
r1 = (mbedtls_mpi_uint)( r >> biL ); \
r0 += c; r1 += (r0 < c); \
r0 += *d; r1 += (r0 < *d); \
c = r1; *(d++) = r0;
#define MULADDC_STOP \
}
#else
#define MULADDC_INIT \
{ \
mbedtls_mpi_uint s0, s1, b0, b1; \
mbedtls_mpi_uint r0, r1, rx, ry; \
b0 = ( b << biH ) >> biH; \
b1 = ( b >> biH );
#define MULADDC_CORE \
s0 = ( *s << biH ) >> biH; \
s1 = ( *s >> biH ); s++; \
rx = s0 * b1; r0 = s0 * b0; \
ry = s1 * b0; r1 = s1 * b1; \
r1 += ( rx >> biH ); \
r1 += ( ry >> biH ); \
rx <<= biH; ry <<= biH; \
r0 += rx; r1 += (r0 < rx); \
r0 += ry; r1 += (r0 < ry); \
r0 += c; r1 += (r0 < c); \
r0 += *d; r1 += (r0 < *d); \
c = r1; *(d++) = r0;
#define MULADDC_STOP \
}
#endif /* C (generic) */
#endif /* C (longlong) */
#endif /* bn_mul.h */

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/**
* \file camellia.h
*
* \brief Camellia block cipher
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_CAMELLIA_H
#define MBEDTLS_CAMELLIA_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#include <stdint.h>
#define MBEDTLS_CAMELLIA_ENCRYPT 1
#define MBEDTLS_CAMELLIA_DECRYPT 0
#define MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH -0x0024 /**< Invalid key length. */
#define MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH -0x0026 /**< Invalid data input length. */
#if !defined(MBEDTLS_CAMELLIA_ALT)
// Regular implementation
//
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief CAMELLIA context structure
*/
typedef struct
{
int nr; /*!< number of rounds */
uint32_t rk[68]; /*!< CAMELLIA round keys */
}
mbedtls_camellia_context;
/**
* \brief Initialize CAMELLIA context
*
* \param ctx CAMELLIA context to be initialized
*/
void mbedtls_camellia_init( mbedtls_camellia_context *ctx );
/**
* \brief Clear CAMELLIA context
*
* \param ctx CAMELLIA context to be cleared
*/
void mbedtls_camellia_free( mbedtls_camellia_context *ctx );
/**
* \brief CAMELLIA key schedule (encryption)
*
* \param ctx CAMELLIA context to be initialized
* \param key encryption key
* \param keybits must be 128, 192 or 256
*
* \return 0 if successful, or MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH
*/
int mbedtls_camellia_setkey_enc( mbedtls_camellia_context *ctx, const unsigned char *key,
unsigned int keybits );
/**
* \brief CAMELLIA key schedule (decryption)
*
* \param ctx CAMELLIA context to be initialized
* \param key decryption key
* \param keybits must be 128, 192 or 256
*
* \return 0 if successful, or MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH
*/
int mbedtls_camellia_setkey_dec( mbedtls_camellia_context *ctx, const unsigned char *key,
unsigned int keybits );
/**
* \brief CAMELLIA-ECB block encryption/decryption
*
* \param ctx CAMELLIA context
* \param mode MBEDTLS_CAMELLIA_ENCRYPT or MBEDTLS_CAMELLIA_DECRYPT
* \param input 16-byte input block
* \param output 16-byte output block
*
* \return 0 if successful
*/
int mbedtls_camellia_crypt_ecb( mbedtls_camellia_context *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16] );
#if defined(MBEDTLS_CIPHER_MODE_CBC)
/**
* \brief CAMELLIA-CBC buffer encryption/decryption
* Length should be a multiple of the block
* size (16 bytes)
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* block(s) of data and get the same result as if it was
* encrypted in one call. This allows a "streaming" usage.
* If on the other hand you need to retain the contents of the
* IV, you should either save it manually or use the cipher
* module instead.
*
* \param ctx CAMELLIA context
* \param mode MBEDTLS_CAMELLIA_ENCRYPT or MBEDTLS_CAMELLIA_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful, or
* MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH
*/
int mbedtls_camellia_crypt_cbc( mbedtls_camellia_context *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CBC */
#if defined(MBEDTLS_CIPHER_MODE_CFB)
/**
* \brief CAMELLIA-CFB128 buffer encryption/decryption
*
* Note: Due to the nature of CFB you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* mbedtls_camellia_setkey_enc() for both MBEDTLS_CAMELLIA_ENCRYPT and CAMELLIE_DECRYPT.
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* block(s) of data and get the same result as if it was
* encrypted in one call. This allows a "streaming" usage.
* If on the other hand you need to retain the contents of the
* IV, you should either save it manually or use the cipher
* module instead.
*
* \param ctx CAMELLIA context
* \param mode MBEDTLS_CAMELLIA_ENCRYPT or MBEDTLS_CAMELLIA_DECRYPT
* \param length length of the input data
* \param iv_off offset in IV (updated after use)
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful, or
* MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH
*/
int mbedtls_camellia_crypt_cfb128( mbedtls_camellia_context *ctx,
int mode,
size_t length,
size_t *iv_off,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CFB */
#if defined(MBEDTLS_CIPHER_MODE_CTR)
/**
* \brief CAMELLIA-CTR buffer encryption/decryption
*
* Warning: You have to keep the maximum use of your counter in mind!
*
* Note: Due to the nature of CTR you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* mbedtls_camellia_setkey_enc() for both MBEDTLS_CAMELLIA_ENCRYPT and MBEDTLS_CAMELLIA_DECRYPT.
*
* \param ctx CAMELLIA context
* \param length The length of the data
* \param nc_off The offset in the current stream_block (for resuming
* within current cipher stream). The offset pointer to
* should be 0 at the start of a stream.
* \param nonce_counter The 128-bit nonce and counter.
* \param stream_block The saved stream-block for resuming. Is overwritten
* by the function.
* \param input The input data stream
* \param output The output data stream
*
* \return 0 if successful
*/
int mbedtls_camellia_crypt_ctr( mbedtls_camellia_context *ctx,
size_t length,
size_t *nc_off,
unsigned char nonce_counter[16],
unsigned char stream_block[16],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CTR */
#ifdef __cplusplus
}
#endif
#else /* MBEDTLS_CAMELLIA_ALT */
#include "camellia_alt.h"
#endif /* MBEDTLS_CAMELLIA_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_camellia_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* camellia.h */

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/**
* \file ccm.h
*
* \brief Counter with CBC-MAC (CCM) for 128-bit block ciphers
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_CCM_H
#define MBEDTLS_CCM_H
#include "cipher.h"
#define MBEDTLS_ERR_CCM_BAD_INPUT -0x000D /**< Bad input parameters to function. */
#define MBEDTLS_ERR_CCM_AUTH_FAILED -0x000F /**< Authenticated decryption failed. */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief CCM context structure
*/
typedef struct {
mbedtls_cipher_context_t cipher_ctx; /*!< cipher context used */
}
mbedtls_ccm_context;
/**
* \brief Initialize CCM context (just makes references valid)
* Makes the context ready for mbedtls_ccm_setkey() or
* mbedtls_ccm_free().
*
* \param ctx CCM context to initialize
*/
void mbedtls_ccm_init( mbedtls_ccm_context *ctx );
/**
* \brief CCM initialization (encryption and decryption)
*
* \param ctx CCM context to be initialized
* \param cipher cipher to use (a 128-bit block cipher)
* \param key encryption key
* \param keybits key size in bits (must be acceptable by the cipher)
*
* \return 0 if successful, or a cipher specific error code
*/
int mbedtls_ccm_setkey( mbedtls_ccm_context *ctx,
mbedtls_cipher_id_t cipher,
const unsigned char *key,
unsigned int keybits );
/**
* \brief Free a CCM context and underlying cipher sub-context
*
* \param ctx CCM context to free
*/
void mbedtls_ccm_free( mbedtls_ccm_context *ctx );
/**
* \brief CCM buffer encryption
*
* \param ctx CCM context
* \param length length of the input data in bytes
* \param iv nonce (initialization vector)
* \param iv_len length of IV in bytes
* must be 2, 3, 4, 5, 6, 7 or 8
* \param add additional data
* \param add_len length of additional data in bytes
* must be less than 2^16 - 2^8
* \param input buffer holding the input data
* \param output buffer for holding the output data
* must be at least 'length' bytes wide
* \param tag buffer for holding the tag
* \param tag_len length of the tag to generate in bytes
* must be 4, 6, 8, 10, 14 or 16
*
* \note The tag is written to a separate buffer. To get the tag
* concatenated with the output as in the CCM spec, use
* tag = output + length and make sure the output buffer is
* at least length + tag_len wide.
*
* \return 0 if successful
*/
int mbedtls_ccm_encrypt_and_tag( mbedtls_ccm_context *ctx, size_t length,
const unsigned char *iv, size_t iv_len,
const unsigned char *add, size_t add_len,
const unsigned char *input, unsigned char *output,
unsigned char *tag, size_t tag_len );
/**
* \brief CCM buffer authenticated decryption
*
* \param ctx CCM context
* \param length length of the input data
* \param iv initialization vector
* \param iv_len length of IV
* \param add additional data
* \param add_len length of additional data
* \param input buffer holding the input data
* \param output buffer for holding the output data
* \param tag buffer holding the tag
* \param tag_len length of the tag
*
* \return 0 if successful and authenticated,
* MBEDTLS_ERR_CCM_AUTH_FAILED if tag does not match
*/
int mbedtls_ccm_auth_decrypt( mbedtls_ccm_context *ctx, size_t length,
const unsigned char *iv, size_t iv_len,
const unsigned char *add, size_t add_len,
const unsigned char *input, unsigned char *output,
const unsigned char *tag, size_t tag_len );
#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_ccm_self_test( int verbose );
#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_CCM_H */

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/**
* \file certs.h
*
* \brief Sample certificates and DHM parameters for testing
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_CERTS_H
#define MBEDTLS_CERTS_H
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
#if defined(MBEDTLS_PEM_PARSE_C)
/* Concatenation of all CA certificates in PEM format if available */
extern const char mbedtls_test_cas_pem[];
extern const size_t mbedtls_test_cas_pem_len;
#endif
/* List of all CA certificates, terminated by NULL */
extern const char * mbedtls_test_cas[];
extern const size_t mbedtls_test_cas_len[];
/*
* Convenience for users who just want a certificate:
* RSA by default, or ECDSA if RSA is not available
*/
extern const char * mbedtls_test_ca_crt;
extern const size_t mbedtls_test_ca_crt_len;
extern const char * mbedtls_test_ca_key;
extern const size_t mbedtls_test_ca_key_len;
extern const char * mbedtls_test_ca_pwd;
extern const size_t mbedtls_test_ca_pwd_len;
extern const char * mbedtls_test_srv_crt;
extern const size_t mbedtls_test_srv_crt_len;
extern const char * mbedtls_test_srv_key;
extern const size_t mbedtls_test_srv_key_len;
extern const char * mbedtls_test_cli_crt;
extern const size_t mbedtls_test_cli_crt_len;
extern const char * mbedtls_test_cli_key;
extern const size_t mbedtls_test_cli_key_len;
#if defined(MBEDTLS_ECDSA_C)
extern const char mbedtls_test_ca_crt_ec[];
extern const size_t mbedtls_test_ca_crt_ec_len;
extern const char mbedtls_test_ca_key_ec[];
extern const size_t mbedtls_test_ca_key_ec_len;
extern const char mbedtls_test_ca_pwd_ec[];
extern const size_t mbedtls_test_ca_pwd_ec_len;
extern const char mbedtls_test_srv_crt_ec[];
extern const size_t mbedtls_test_srv_crt_ec_len;
extern const char mbedtls_test_srv_key_ec[];
extern const size_t mbedtls_test_srv_key_ec_len;
extern const char mbedtls_test_cli_crt_ec[];
extern const size_t mbedtls_test_cli_crt_ec_len;
extern const char mbedtls_test_cli_key_ec[];
extern const size_t mbedtls_test_cli_key_ec_len;
#endif
#if defined(MBEDTLS_RSA_C)
extern const char mbedtls_test_ca_crt_rsa[];
extern const size_t mbedtls_test_ca_crt_rsa_len;
extern const char mbedtls_test_ca_key_rsa[];
extern const size_t mbedtls_test_ca_key_rsa_len;
extern const char mbedtls_test_ca_pwd_rsa[];
extern const size_t mbedtls_test_ca_pwd_rsa_len;
extern const char mbedtls_test_srv_crt_rsa[];
extern const size_t mbedtls_test_srv_crt_rsa_len;
extern const char mbedtls_test_srv_key_rsa[];
extern const size_t mbedtls_test_srv_key_rsa_len;
extern const char mbedtls_test_cli_crt_rsa[];
extern const size_t mbedtls_test_cli_crt_rsa_len;
extern const char mbedtls_test_cli_key_rsa[];
extern const size_t mbedtls_test_cli_key_rsa_len;
#endif
#ifdef __cplusplus
}
#endif
#endif /* certs.h */

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/**
* \file check_config.h
*
* \brief Consistency checks for configuration options
*
* Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
/*
* It is recommended to include this file from your config.h
* in order to catch dependency issues early.
*/
#ifndef MBEDTLS_CHECK_CONFIG_H
#define MBEDTLS_CHECK_CONFIG_H
/*
* We assume CHAR_BIT is 8 in many places. In practice, this is true on our
* target platforms, so not an issue, but let's just be extra sure.
*/
#include <limits.h>
#if CHAR_BIT != 8
#error "mbed TLS requires a platform with 8-bit chars"
#endif
#if defined(_WIN32)
#if !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_C is required on Windows"
#endif
/* Fix the config here. Not convenient to put an #ifdef _WIN32 in config.h as
* it would confuse config.pl. */
#if !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && \
!defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO)
#define MBEDTLS_PLATFORM_SNPRINTF_ALT
#endif
#endif /* _WIN32 */
#if defined(TARGET_LIKE_MBED) && \
( defined(MBEDTLS_NET_C) || defined(MBEDTLS_TIMING_C) )
#error "The NET and TIMING modules are not available for mbed OS - please use the network and timing functions provided by mbed OS"
#endif
#if defined(MBEDTLS_DEPRECATED_WARNING) && \
!defined(__GNUC__) && !defined(__clang__)
#error "MBEDTLS_DEPRECATED_WARNING only works with GCC and Clang"
#endif
#if defined(MBEDTLS_HAVE_TIME_DATE) && !defined(MBEDTLS_HAVE_TIME)
#error "MBEDTLS_HAVE_TIME_DATE without MBEDTLS_HAVE_TIME does not make sense"
#endif
#if defined(MBEDTLS_AESNI_C) && !defined(MBEDTLS_HAVE_ASM)
#error "MBEDTLS_AESNI_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_AES_C)
#error "MBEDTLS_CTR_DRBG_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_DHM_C) && !defined(MBEDTLS_BIGNUM_C)
#error "MBEDTLS_DHM_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_CMAC_C) && \
!defined(MBEDTLS_AES_C) && !defined(MBEDTLS_DES_C)
#error "MBEDTLS_CMAC_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECDH_C) && !defined(MBEDTLS_ECP_C)
#error "MBEDTLS_ECDH_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECDSA_C) && \
( !defined(MBEDTLS_ECP_C) || \
!defined(MBEDTLS_ASN1_PARSE_C) || \
!defined(MBEDTLS_ASN1_WRITE_C) )
#error "MBEDTLS_ECDSA_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECJPAKE_C) && \
( !defined(MBEDTLS_ECP_C) || !defined(MBEDTLS_MD_C) )
#error "MBEDTLS_ECJPAKE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECDSA_DETERMINISTIC) && !defined(MBEDTLS_HMAC_DRBG_C)
#error "MBEDTLS_ECDSA_DETERMINISTIC defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECP_C) && ( !defined(MBEDTLS_BIGNUM_C) || ( \
!defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_BP256R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_BP384R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_BP512R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED) ) )
#error "MBEDTLS_ECP_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ENTROPY_C) && (!defined(MBEDTLS_SHA512_C) && \
!defined(MBEDTLS_SHA256_C))
#error "MBEDTLS_ENTROPY_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_SHA512_C) && \
defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 64)
#error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
#endif
#if defined(MBEDTLS_ENTROPY_C) && \
( !defined(MBEDTLS_SHA512_C) || defined(MBEDTLS_ENTROPY_FORCE_SHA256) ) \
&& defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 32)
#error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
#endif
#if defined(MBEDTLS_ENTROPY_C) && \
defined(MBEDTLS_ENTROPY_FORCE_SHA256) && !defined(MBEDTLS_SHA256_C)
#error "MBEDTLS_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
( !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES) )
#error "MBEDTLS_TEST_NULL_ENTROPY defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
( defined(MBEDTLS_ENTROPY_NV_SEED) || defined(MBEDTLS_ENTROPY_HARDWARE_ALT) || \
defined(MBEDTLS_HAVEGE_C) )
#error "MBEDTLS_TEST_NULL_ENTROPY defined, but entropy sources too"
#endif
#if defined(MBEDTLS_GCM_C) && ( \
!defined(MBEDTLS_AES_C) && !defined(MBEDTLS_CAMELLIA_C) )
#error "MBEDTLS_GCM_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_HAVEGE_C) && !defined(MBEDTLS_TIMING_C)
#error "MBEDTLS_HAVEGE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_HMAC_DRBG_C) && !defined(MBEDTLS_MD_C)
#error "MBEDTLS_HMAC_DRBG_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) && \
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
#error "MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) && \
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
#error "MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) && !defined(MBEDTLS_DHM_C)
#error "MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) && \
!defined(MBEDTLS_ECDH_C)
#error "MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) && \
( !defined(MBEDTLS_DHM_C) || !defined(MBEDTLS_RSA_C) || \
!defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) && \
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_RSA_C) || \
!defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) && \
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_ECDSA_C) || \
!defined(MBEDTLS_X509_CRT_PARSE_C) )
#error "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) && \
( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
!defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) && \
( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
!defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) && \
( !defined(MBEDTLS_ECJPAKE_C) || !defined(MBEDTLS_SHA256_C) || \
!defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) )
#error "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && \
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
#error "MBEDTLS_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PADLOCK_C) && !defined(MBEDTLS_HAVE_ASM)
#error "MBEDTLS_PADLOCK_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PEM_PARSE_C) && !defined(MBEDTLS_BASE64_C)
#error "MBEDTLS_PEM_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PEM_WRITE_C) && !defined(MBEDTLS_BASE64_C)
#error "MBEDTLS_PEM_WRITE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PK_C) && \
( !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_ECP_C) )
#error "MBEDTLS_PK_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_PK_C)
#error "MBEDTLS_PK_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PK_WRITE_C) && !defined(MBEDTLS_PK_C)
#error "MBEDTLS_PK_WRITE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PKCS11_C) && !defined(MBEDTLS_PK_C)
#error "MBEDTLS_PKCS11_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_EXIT_ALT) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_EXIT_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_EXIT_MACRO) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_EXIT_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_EXIT_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_EXIT) ||\
defined(MBEDTLS_PLATFORM_EXIT_ALT) )
#error "MBEDTLS_PLATFORM_EXIT_MACRO and MBEDTLS_PLATFORM_STD_EXIT/MBEDTLS_PLATFORM_EXIT_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_TIME_ALT) &&\
( !defined(MBEDTLS_PLATFORM_C) ||\
!defined(MBEDTLS_HAVE_TIME) )
#error "MBEDTLS_PLATFORM_TIME_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
( !defined(MBEDTLS_PLATFORM_C) ||\
!defined(MBEDTLS_HAVE_TIME) )
#error "MBEDTLS_PLATFORM_TIME_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
( !defined(MBEDTLS_PLATFORM_C) ||\
!defined(MBEDTLS_HAVE_TIME) )
#error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
defined(MBEDTLS_PLATFORM_TIME_ALT) )
#error "MBEDTLS_PLATFORM_TIME_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
defined(MBEDTLS_PLATFORM_TIME_ALT) )
#error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_FPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_FPRINTF_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_FPRINTF_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_FPRINTF) ||\
defined(MBEDTLS_PLATFORM_FPRINTF_ALT) )
#error "MBEDTLS_PLATFORM_FPRINTF_MACRO and MBEDTLS_PLATFORM_STD_FPRINTF/MBEDTLS_PLATFORM_FPRINTF_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
#error "MBEDTLS_PLATFORM_FREE_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
defined(MBEDTLS_PLATFORM_STD_FREE)
#error "MBEDTLS_PLATFORM_FREE_MACRO and MBEDTLS_PLATFORM_STD_FREE cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) && !defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
#error "MBEDTLS_PLATFORM_CALLOC_MACRO must be defined if MBEDTLS_PLATFORM_FREE_MACRO is"
#endif
#if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
#error "MBEDTLS_PLATFORM_CALLOC_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
defined(MBEDTLS_PLATFORM_STD_CALLOC)
#error "MBEDTLS_PLATFORM_CALLOC_MACRO and MBEDTLS_PLATFORM_STD_CALLOC cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) && !defined(MBEDTLS_PLATFORM_FREE_MACRO)
#error "MBEDTLS_PLATFORM_FREE_MACRO must be defined if MBEDTLS_PLATFORM_CALLOC_MACRO is"
#endif
#if defined(MBEDTLS_PLATFORM_MEMORY) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_MEMORY defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_PRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_PRINTF_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_PRINTF_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_PRINTF) ||\
defined(MBEDTLS_PLATFORM_PRINTF_ALT) )
#error "MBEDTLS_PLATFORM_PRINTF_MACRO and MBEDTLS_PLATFORM_STD_PRINTF/MBEDTLS_PLATFORM_PRINTF_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_SNPRINTF_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_SNPRINTF_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_SNPRINTF) ||\
defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) )
#error "MBEDTLS_PLATFORM_SNPRINTF_MACRO and MBEDTLS_PLATFORM_STD_SNPRINTF/MBEDTLS_PLATFORM_SNPRINTF_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_STD_MEM_HDR) &&\
!defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
#error "MBEDTLS_PLATFORM_STD_MEM_HDR defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
#error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
#error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_FREE) && !defined(MBEDTLS_PLATFORM_MEMORY)
#error "MBEDTLS_PLATFORM_STD_FREE defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_EXIT) &&\
!defined(MBEDTLS_PLATFORM_EXIT_ALT)
#error "MBEDTLS_PLATFORM_STD_EXIT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_TIME) &&\
( !defined(MBEDTLS_PLATFORM_TIME_ALT) ||\
!defined(MBEDTLS_HAVE_TIME) )
#error "MBEDTLS_PLATFORM_STD_TIME defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_FPRINTF) &&\
!defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
#error "MBEDTLS_PLATFORM_STD_FPRINTF defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_PRINTF) &&\
!defined(MBEDTLS_PLATFORM_PRINTF_ALT)
#error "MBEDTLS_PLATFORM_STD_PRINTF defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_SNPRINTF) &&\
!defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
#error "MBEDTLS_PLATFORM_STD_SNPRINTF defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ENTROPY_NV_SEED) &&\
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_ENTROPY_C) )
#error "MBEDTLS_ENTROPY_NV_SEED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_NV_SEED_ALT) &&\
!defined(MBEDTLS_ENTROPY_NV_SEED)
#error "MBEDTLS_PLATFORM_NV_SEED_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) &&\
!defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
#error "MBEDTLS_PLATFORM_STD_NV_SEED_READ defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) &&\
!defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
#error "MBEDTLS_PLATFORM_STD_NV_SEED_WRITE defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_NV_SEED_READ_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) ||\
defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
#error "MBEDTLS_PLATFORM_NV_SEED_READ_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_READ cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) ||\
defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
#error "MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_WRITE cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_BIGNUM_C) || \
!defined(MBEDTLS_OID_C) )
#error "MBEDTLS_RSA_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_PKCS1_V21) && \
!defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_RSA_C defined, but none of the PKCS1 versions enabled"
#endif
#if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) && \
( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_PKCS1_V21) )
#error "MBEDTLS_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_SSL3) && ( !defined(MBEDTLS_MD5_C) || \
!defined(MBEDTLS_SHA1_C) )
#error "MBEDTLS_SSL_PROTO_SSL3 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1) && ( !defined(MBEDTLS_MD5_C) || \
!defined(MBEDTLS_SHA1_C) )
#error "MBEDTLS_SSL_PROTO_TLS1 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1_1) && ( !defined(MBEDTLS_MD5_C) || \
!defined(MBEDTLS_SHA1_C) )
#error "MBEDTLS_SSL_PROTO_TLS1_1 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1_2) && ( !defined(MBEDTLS_SHA1_C) && \
!defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA512_C) )
#error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_DTLS) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_2)
#error "MBEDTLS_SSL_PROTO_DTLS defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_CLI_C) && !defined(MBEDTLS_SSL_TLS_C)
#error "MBEDTLS_SSL_CLI_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && ( !defined(MBEDTLS_CIPHER_C) || \
!defined(MBEDTLS_MD_C) )
#error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_SRV_C) && !defined(MBEDTLS_SSL_TLS_C)
#error "MBEDTLS_SSL_SRV_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && (!defined(MBEDTLS_SSL_PROTO_SSL3) && \
!defined(MBEDTLS_SSL_PROTO_TLS1) && !defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_2))
#error "MBEDTLS_SSL_TLS_C defined, but no protocols are active"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
defined(MBEDTLS_SSL_PROTO_TLS1_1) && !defined(MBEDTLS_SSL_PROTO_TLS1))
#error "Illegal protocol selection"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_TLS1) && \
defined(MBEDTLS_SSL_PROTO_TLS1_2) && !defined(MBEDTLS_SSL_PROTO_TLS1_1))
#error "Illegal protocol selection"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
defined(MBEDTLS_SSL_PROTO_TLS1_2) && (!defined(MBEDTLS_SSL_PROTO_TLS1) || \
!defined(MBEDTLS_SSL_PROTO_TLS1_1)))
#error "Illegal protocol selection"
#endif
#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && !defined(MBEDTLS_SSL_PROTO_DTLS)
#error "MBEDTLS_SSL_DTLS_HELLO_VERIFY defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE) && \
!defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
#error "MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) && \
( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
#error "MBEDTLS_SSL_DTLS_ANTI_REPLAY defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) && \
( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
#error "MBEDTLS_SSL_DTLS_BADMAC_LIMIT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) && \
!defined(MBEDTLS_SSL_PROTO_TLS1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_2)
#error "MBEDTLS_SSL_ENCRYPT_THEN_MAC defined, but not all prerequsites"
#endif
#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) && \
!defined(MBEDTLS_SSL_PROTO_TLS1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_2)
#error "MBEDTLS_SSL_EXTENDED_MASTER_SECRET defined, but not all prerequsites"
#endif
#if defined(MBEDTLS_SSL_TICKET_C) && !defined(MBEDTLS_CIPHER_C)
#error "MBEDTLS_SSL_TICKET_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING) && \
!defined(MBEDTLS_SSL_PROTO_SSL3) && !defined(MBEDTLS_SSL_PROTO_TLS1)
#error "MBEDTLS_SSL_CBC_RECORD_SPLITTING defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
!defined(MBEDTLS_X509_CRT_PARSE_C)
#error "MBEDTLS_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_THREADING_PTHREAD)
#if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
#error "MBEDTLS_THREADING_PTHREAD defined, but not all prerequisites"
#endif
#define MBEDTLS_THREADING_IMPL
#endif
#if defined(MBEDTLS_THREADING_ALT)
#if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
#error "MBEDTLS_THREADING_ALT defined, but not all prerequisites"
#endif
#define MBEDTLS_THREADING_IMPL
#endif
#if defined(MBEDTLS_THREADING_C) && !defined(MBEDTLS_THREADING_IMPL)
#error "MBEDTLS_THREADING_C defined, single threading implementation required"
#endif
#undef MBEDTLS_THREADING_IMPL
#if defined(MBEDTLS_VERSION_FEATURES) && !defined(MBEDTLS_VERSION_C)
#error "MBEDTLS_VERSION_FEATURES defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_USE_C) && ( !defined(MBEDTLS_BIGNUM_C) || \
!defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_PARSE_C) || \
!defined(MBEDTLS_PK_PARSE_C) )
#error "MBEDTLS_X509_USE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CREATE_C) && ( !defined(MBEDTLS_BIGNUM_C) || \
!defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_WRITE_C) || \
!defined(MBEDTLS_PK_WRITE_C) )
#error "MBEDTLS_X509_CREATE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CRT_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
#error "MBEDTLS_X509_CRT_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CRL_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
#error "MBEDTLS_X509_CRL_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CSR_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
#error "MBEDTLS_X509_CSR_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CRT_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
#error "MBEDTLS_X509_CRT_WRITE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CSR_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
#error "MBEDTLS_X509_CSR_WRITE_C defined, but not all prerequisites"
#endif
/*
* Avoid warning from -pedantic. This is a convenient place for this
* workaround since this is included by every single file before the
* #if defined(MBEDTLS_xxx_C) that results in emtpy translation units.
*/
typedef int mbedtls_iso_c_forbids_empty_translation_units;
#endif /* MBEDTLS_CHECK_CONFIG_H */

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include/mbedtls/cipher.h Normal file
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@ -0,0 +1,709 @@
/**
* \file cipher.h
*
* \brief Generic cipher wrapper.
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_CIPHER_H
#define MBEDTLS_CIPHER_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CCM_C)
#define MBEDTLS_CIPHER_MODE_AEAD
#endif
#if defined(MBEDTLS_CIPHER_MODE_CBC)
#define MBEDTLS_CIPHER_MODE_WITH_PADDING
#endif
#if defined(MBEDTLS_ARC4_C)
#define MBEDTLS_CIPHER_MODE_STREAM
#endif
#if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
!defined(inline) && !defined(__cplusplus)
#define inline __inline
#endif
#define MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE -0x6080 /**< The selected feature is not available. */
#define MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA -0x6100 /**< Bad input parameters to function. */
#define MBEDTLS_ERR_CIPHER_ALLOC_FAILED -0x6180 /**< Failed to allocate memory. */
#define MBEDTLS_ERR_CIPHER_INVALID_PADDING -0x6200 /**< Input data contains invalid padding and is rejected. */
#define MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED -0x6280 /**< Decryption of block requires a full block. */
#define MBEDTLS_ERR_CIPHER_AUTH_FAILED -0x6300 /**< Authentication failed (for AEAD modes). */
#define MBEDTLS_ERR_CIPHER_INVALID_CONTEXT -0x6380 /**< The context is invalid, eg because it was free()ed. */
#define MBEDTLS_CIPHER_VARIABLE_IV_LEN 0x01 /**< Cipher accepts IVs of variable length */
#define MBEDTLS_CIPHER_VARIABLE_KEY_LEN 0x02 /**< Cipher accepts keys of variable length */
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
MBEDTLS_CIPHER_ID_NONE = 0,
MBEDTLS_CIPHER_ID_NULL,
MBEDTLS_CIPHER_ID_AES,
MBEDTLS_CIPHER_ID_DES,
MBEDTLS_CIPHER_ID_3DES,
MBEDTLS_CIPHER_ID_CAMELLIA,
MBEDTLS_CIPHER_ID_BLOWFISH,
MBEDTLS_CIPHER_ID_ARC4,
} mbedtls_cipher_id_t;
typedef enum {
MBEDTLS_CIPHER_NONE = 0,
MBEDTLS_CIPHER_NULL,
MBEDTLS_CIPHER_AES_128_ECB,
MBEDTLS_CIPHER_AES_192_ECB,
MBEDTLS_CIPHER_AES_256_ECB,
MBEDTLS_CIPHER_AES_128_CBC,
MBEDTLS_CIPHER_AES_192_CBC,
MBEDTLS_CIPHER_AES_256_CBC,
MBEDTLS_CIPHER_AES_128_CFB128,
MBEDTLS_CIPHER_AES_192_CFB128,
MBEDTLS_CIPHER_AES_256_CFB128,
MBEDTLS_CIPHER_AES_128_CTR,
MBEDTLS_CIPHER_AES_192_CTR,
MBEDTLS_CIPHER_AES_256_CTR,
MBEDTLS_CIPHER_AES_128_GCM,
MBEDTLS_CIPHER_AES_192_GCM,
MBEDTLS_CIPHER_AES_256_GCM,
MBEDTLS_CIPHER_CAMELLIA_128_ECB,
MBEDTLS_CIPHER_CAMELLIA_192_ECB,
MBEDTLS_CIPHER_CAMELLIA_256_ECB,
MBEDTLS_CIPHER_CAMELLIA_128_CBC,
MBEDTLS_CIPHER_CAMELLIA_192_CBC,
MBEDTLS_CIPHER_CAMELLIA_256_CBC,
MBEDTLS_CIPHER_CAMELLIA_128_CFB128,
MBEDTLS_CIPHER_CAMELLIA_192_CFB128,
MBEDTLS_CIPHER_CAMELLIA_256_CFB128,
MBEDTLS_CIPHER_CAMELLIA_128_CTR,
MBEDTLS_CIPHER_CAMELLIA_192_CTR,
MBEDTLS_CIPHER_CAMELLIA_256_CTR,
MBEDTLS_CIPHER_CAMELLIA_128_GCM,
MBEDTLS_CIPHER_CAMELLIA_192_GCM,
MBEDTLS_CIPHER_CAMELLIA_256_GCM,
MBEDTLS_CIPHER_DES_ECB,
MBEDTLS_CIPHER_DES_CBC,
MBEDTLS_CIPHER_DES_EDE_ECB,
MBEDTLS_CIPHER_DES_EDE_CBC,
MBEDTLS_CIPHER_DES_EDE3_ECB,
MBEDTLS_CIPHER_DES_EDE3_CBC,
MBEDTLS_CIPHER_BLOWFISH_ECB,
MBEDTLS_CIPHER_BLOWFISH_CBC,
MBEDTLS_CIPHER_BLOWFISH_CFB64,
MBEDTLS_CIPHER_BLOWFISH_CTR,
MBEDTLS_CIPHER_ARC4_128,
MBEDTLS_CIPHER_AES_128_CCM,
MBEDTLS_CIPHER_AES_192_CCM,
MBEDTLS_CIPHER_AES_256_CCM,
MBEDTLS_CIPHER_CAMELLIA_128_CCM,
MBEDTLS_CIPHER_CAMELLIA_192_CCM,
MBEDTLS_CIPHER_CAMELLIA_256_CCM,
} mbedtls_cipher_type_t;
typedef enum {
MBEDTLS_MODE_NONE = 0,
MBEDTLS_MODE_ECB,
MBEDTLS_MODE_CBC,
MBEDTLS_MODE_CFB,
MBEDTLS_MODE_OFB, /* Unused! */
MBEDTLS_MODE_CTR,
MBEDTLS_MODE_GCM,
MBEDTLS_MODE_STREAM,
MBEDTLS_MODE_CCM,
} mbedtls_cipher_mode_t;
typedef enum {
MBEDTLS_PADDING_PKCS7 = 0, /**< PKCS7 padding (default) */
MBEDTLS_PADDING_ONE_AND_ZEROS, /**< ISO/IEC 7816-4 padding */
MBEDTLS_PADDING_ZEROS_AND_LEN, /**< ANSI X.923 padding */
MBEDTLS_PADDING_ZEROS, /**< zero padding (not reversible!) */
MBEDTLS_PADDING_NONE, /**< never pad (full blocks only) */
} mbedtls_cipher_padding_t;
typedef enum {
MBEDTLS_OPERATION_NONE = -1,
MBEDTLS_DECRYPT = 0,
MBEDTLS_ENCRYPT,
} mbedtls_operation_t;
enum {
/** Undefined key length */
MBEDTLS_KEY_LENGTH_NONE = 0,
/** Key length, in bits (including parity), for DES keys */
MBEDTLS_KEY_LENGTH_DES = 64,
/** Key length, in bits (including parity), for DES in two key EDE */
MBEDTLS_KEY_LENGTH_DES_EDE = 128,
/** Key length, in bits (including parity), for DES in three-key EDE */
MBEDTLS_KEY_LENGTH_DES_EDE3 = 192,
};
/** Maximum length of any IV, in bytes */
#define MBEDTLS_MAX_IV_LENGTH 16
/** Maximum block size of any cipher, in bytes */
#define MBEDTLS_MAX_BLOCK_LENGTH 16
/**
* Base cipher information (opaque struct).
*/
typedef struct mbedtls_cipher_base_t mbedtls_cipher_base_t;
/**
* CMAC context (opaque struct).
*/
typedef struct mbedtls_cmac_context_t mbedtls_cmac_context_t;
/**
* Cipher information. Allows cipher functions to be called in a generic way.
*/
typedef struct {
/** Full cipher identifier (e.g. MBEDTLS_CIPHER_AES_256_CBC) */
mbedtls_cipher_type_t type;
/** Cipher mode (e.g. MBEDTLS_MODE_CBC) */
mbedtls_cipher_mode_t mode;
/** Cipher key length, in bits (default length for variable sized ciphers)
* (Includes parity bits for ciphers like DES) */
unsigned int key_bitlen;
/** Name of the cipher */
const char * name;
/** IV/NONCE size, in bytes.
* For cipher that accept many sizes: recommended size */
unsigned int iv_size;
/** Flags for variable IV size, variable key size, etc. */
int flags;
/** block size, in bytes */
unsigned int block_size;
/** Base cipher information and functions */
const mbedtls_cipher_base_t *base;
} mbedtls_cipher_info_t;
/**
* Generic cipher context.
*/
typedef struct {
/** Information about the associated cipher */
const mbedtls_cipher_info_t *cipher_info;
/** Key length to use */
int key_bitlen;
/** Operation that the context's key has been initialised for */
mbedtls_operation_t operation;
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
/** Padding functions to use, if relevant for cipher mode */
void (*add_padding)( unsigned char *output, size_t olen, size_t data_len );
int (*get_padding)( unsigned char *input, size_t ilen, size_t *data_len );
#endif
/** Buffer for data that hasn't been encrypted yet */
unsigned char unprocessed_data[MBEDTLS_MAX_BLOCK_LENGTH];
/** Number of bytes that still need processing */
size_t unprocessed_len;
/** Current IV or NONCE_COUNTER for CTR-mode */
unsigned char iv[MBEDTLS_MAX_IV_LENGTH];
/** IV size in bytes (for ciphers with variable-length IVs) */
size_t iv_size;
/** Cipher-specific context */
void *cipher_ctx;
#if defined(MBEDTLS_CMAC_C)
/** CMAC Specific context */
mbedtls_cmac_context_t *cmac_ctx;
#endif
} mbedtls_cipher_context_t;
/**
* \brief Returns the list of ciphers supported by the generic cipher module.
*
* \return a statically allocated array of ciphers, the last entry
* is 0.
*/
const int *mbedtls_cipher_list( void );
/**
* \brief Returns the cipher information structure associated
* with the given cipher name.
*
* \param cipher_name Name of the cipher to search for.
*
* \return the cipher information structure associated with the
* given cipher_name, or NULL if not found.
*/
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_string( const char *cipher_name );
/**
* \brief Returns the cipher information structure associated
* with the given cipher type.
*
* \param cipher_type Type of the cipher to search for.
*
* \return the cipher information structure associated with the
* given cipher_type, or NULL if not found.
*/
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_type( const mbedtls_cipher_type_t cipher_type );
/**
* \brief Returns the cipher information structure associated
* with the given cipher id, key size and mode.
*
* \param cipher_id Id of the cipher to search for
* (e.g. MBEDTLS_CIPHER_ID_AES)
* \param key_bitlen Length of the key in bits
* \param mode Cipher mode (e.g. MBEDTLS_MODE_CBC)
*
* \return the cipher information structure associated with the
* given cipher_type, or NULL if not found.
*/
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_values( const mbedtls_cipher_id_t cipher_id,
int key_bitlen,
const mbedtls_cipher_mode_t mode );
/**
* \brief Initialize a cipher_context (as NONE)
*/
void mbedtls_cipher_init( mbedtls_cipher_context_t *ctx );
/**
* \brief Free and clear the cipher-specific context of ctx.
* Freeing ctx itself remains the responsibility of the
* caller.
*/
void mbedtls_cipher_free( mbedtls_cipher_context_t *ctx );
/**
* \brief Initialises and fills the cipher context structure with
* the appropriate values.
*
* \note Currently also clears structure. In future versions you
* will be required to call mbedtls_cipher_init() on the structure
* first.
*
* \param ctx context to initialise. May not be NULL.
* \param cipher_info cipher to use.
*
* \return 0 on success,
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA on parameter failure,
* MBEDTLS_ERR_CIPHER_ALLOC_FAILED if allocation of the
* cipher-specific context failed.
*/
int mbedtls_cipher_setup( mbedtls_cipher_context_t *ctx, const mbedtls_cipher_info_t *cipher_info );
/**
* \brief Returns the block size of the given cipher.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return size of the cipher's blocks, or 0 if ctx has not been
* initialised.
*/
static inline unsigned int mbedtls_cipher_get_block_size( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return 0;
return ctx->cipher_info->block_size;
}
/**
* \brief Returns the mode of operation for the cipher.
* (e.g. MBEDTLS_MODE_CBC)
*
* \param ctx cipher's context. Must have been initialised.
*
* \return mode of operation, or MBEDTLS_MODE_NONE if ctx
* has not been initialised.
*/
static inline mbedtls_cipher_mode_t mbedtls_cipher_get_cipher_mode( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return MBEDTLS_MODE_NONE;
return ctx->cipher_info->mode;
}
/**
* \brief Returns the size of the cipher's IV/NONCE in bytes.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return If IV has not been set yet: (recommended) IV size
* (0 for ciphers not using IV/NONCE).
* If IV has already been set: actual size.
*/
static inline int mbedtls_cipher_get_iv_size( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return 0;
if( ctx->iv_size != 0 )
return (int) ctx->iv_size;
return (int) ctx->cipher_info->iv_size;
}
/**
* \brief Returns the type of the given cipher.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return type of the cipher, or MBEDTLS_CIPHER_NONE if ctx has
* not been initialised.
*/
static inline mbedtls_cipher_type_t mbedtls_cipher_get_type( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return MBEDTLS_CIPHER_NONE;
return ctx->cipher_info->type;
}
/**
* \brief Returns the name of the given cipher, as a string.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return name of the cipher, or NULL if ctx was not initialised.
*/
static inline const char *mbedtls_cipher_get_name( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return 0;
return ctx->cipher_info->name;
}
/**
* \brief Returns the key length of the cipher.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return cipher's key length, in bits, or
* MBEDTLS_KEY_LENGTH_NONE if ctx has not been
* initialised.
*/
static inline int mbedtls_cipher_get_key_bitlen( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return MBEDTLS_KEY_LENGTH_NONE;
return (int) ctx->cipher_info->key_bitlen;
}
/**
* \brief Returns the operation of the given cipher.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return operation (MBEDTLS_ENCRYPT or MBEDTLS_DECRYPT),
* or MBEDTLS_OPERATION_NONE if ctx has not been
* initialised.
*/
static inline mbedtls_operation_t mbedtls_cipher_get_operation( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return MBEDTLS_OPERATION_NONE;
return ctx->operation;
}
/**
* \brief Set the key to use with the given context.
*
* \param ctx generic cipher context. May not be NULL. Must have been
* initialised using cipher_context_from_type or
* cipher_context_from_string.
* \param key The key to use.
* \param key_bitlen key length to use, in bits.
* \param operation Operation that the key will be used for, either
* MBEDTLS_ENCRYPT or MBEDTLS_DECRYPT.
*
* \returns 0 on success, MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA if
* parameter verification fails or a cipher specific
* error code.
*/
int mbedtls_cipher_setkey( mbedtls_cipher_context_t *ctx, const unsigned char *key,
int key_bitlen, const mbedtls_operation_t operation );
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
/**
* \brief Set padding mode, for cipher modes that use padding.
* (Default: PKCS7 padding.)
*
* \param ctx generic cipher context
* \param mode padding mode
*
* \returns 0 on success, MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE
* if selected padding mode is not supported, or
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA if the cipher mode
* does not support padding.
*/
int mbedtls_cipher_set_padding_mode( mbedtls_cipher_context_t *ctx, mbedtls_cipher_padding_t mode );
#endif /* MBEDTLS_CIPHER_MODE_WITH_PADDING */
/**
* \brief Set the initialization vector (IV) or nonce
*
* \param ctx generic cipher context
* \param iv IV to use (or NONCE_COUNTER for CTR-mode ciphers)
* \param iv_len IV length for ciphers with variable-size IV;
* discarded by ciphers with fixed-size IV.
*
* \returns 0 on success, or MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA
*
* \note Some ciphers don't use IVs nor NONCE. For these
* ciphers, this function has no effect.
*/
int mbedtls_cipher_set_iv( mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len );
/**
* \brief Finish preparation of the given context
*
* \param ctx generic cipher context
*
* \returns 0 on success, MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA
* if parameter verification fails.
*/
int mbedtls_cipher_reset( mbedtls_cipher_context_t *ctx );
#if defined(MBEDTLS_GCM_C)
/**
* \brief Add additional data (for AEAD ciphers).
* Currently only supported with GCM.
* Must be called exactly once, after mbedtls_cipher_reset().
*
* \param ctx generic cipher context
* \param ad Additional data to use.
* \param ad_len Length of ad.
*
* \return 0 on success, or a specific error code.
*/
int mbedtls_cipher_update_ad( mbedtls_cipher_context_t *ctx,
const unsigned char *ad, size_t ad_len );
#endif /* MBEDTLS_GCM_C */
/**
* \brief Generic cipher update function. Encrypts/decrypts
* using the given cipher context. Writes as many block
* size'd blocks of data as possible to output. Any data
* that cannot be written immediately will either be added
* to the next block, or flushed when cipher_final is
* called.
* Exception: for MBEDTLS_MODE_ECB, expects single block
* in size (e.g. 16 bytes for AES)
*
* \param ctx generic cipher context
* \param input buffer holding the input data
* \param ilen length of the input data
* \param output buffer for the output data. Should be able to hold at
* least ilen + block_size. Cannot be the same buffer as
* input!
* \param olen length of the output data, will be filled with the
* actual number of bytes written.
*
* \returns 0 on success, MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA if
* parameter verification fails,
* MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE on an
* unsupported mode for a cipher or a cipher specific
* error code.
*
* \note If the underlying cipher is GCM, all calls to this
* function, except the last one before mbedtls_cipher_finish(),
* must have ilen a multiple of the block size.
*/
int mbedtls_cipher_update( mbedtls_cipher_context_t *ctx, const unsigned char *input,
size_t ilen, unsigned char *output, size_t *olen );
/**
* \brief Generic cipher finalisation function. If data still
* needs to be flushed from an incomplete block, data
* contained within it will be padded with the size of
* the last block, and written to the output buffer.
*
* \param ctx Generic cipher context
* \param output buffer to write data to. Needs block_size available.
* \param olen length of the data written to the output buffer.
*
* \returns 0 on success, MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA if
* parameter verification fails,
* MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED if decryption
* expected a full block but was not provided one,
* MBEDTLS_ERR_CIPHER_INVALID_PADDING on invalid padding
* while decrypting or a cipher specific error code.
*/
int mbedtls_cipher_finish( mbedtls_cipher_context_t *ctx,
unsigned char *output, size_t *olen );
#if defined(MBEDTLS_GCM_C)
/**
* \brief Write tag for AEAD ciphers.
* Currently only supported with GCM.
* Must be called after mbedtls_cipher_finish().
*
* \param ctx Generic cipher context
* \param tag buffer to write the tag
* \param tag_len Length of the tag to write
*
* \return 0 on success, or a specific error code.
*/
int mbedtls_cipher_write_tag( mbedtls_cipher_context_t *ctx,
unsigned char *tag, size_t tag_len );
/**
* \brief Check tag for AEAD ciphers.
* Currently only supported with GCM.
* Must be called after mbedtls_cipher_finish().
*
* \param ctx Generic cipher context
* \param tag Buffer holding the tag
* \param tag_len Length of the tag to check
*
* \return 0 on success, or a specific error code.
*/
int mbedtls_cipher_check_tag( mbedtls_cipher_context_t *ctx,
const unsigned char *tag, size_t tag_len );
#endif /* MBEDTLS_GCM_C */
/**
* \brief Generic all-in-one encryption/decryption
* (for all ciphers except AEAD constructs).
*
* \param ctx generic cipher context
* \param iv IV to use (or NONCE_COUNTER for CTR-mode ciphers)
* \param iv_len IV length for ciphers with variable-size IV;
* discarded by ciphers with fixed-size IV.
* \param input buffer holding the input data
* \param ilen length of the input data
* \param output buffer for the output data. Should be able to hold at
* least ilen + block_size. Cannot be the same buffer as
* input!
* \param olen length of the output data, will be filled with the
* actual number of bytes written.
*
* \note Some ciphers don't use IVs nor NONCE. For these
* ciphers, use iv = NULL and iv_len = 0.
*
* \returns 0 on success, or
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA, or
* MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED if decryption
* expected a full block but was not provided one, or
* MBEDTLS_ERR_CIPHER_INVALID_PADDING on invalid padding
* while decrypting, or
* a cipher specific error code.
*/
int mbedtls_cipher_crypt( mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *input, size_t ilen,
unsigned char *output, size_t *olen );
#if defined(MBEDTLS_CIPHER_MODE_AEAD)
/**
* \brief Generic autenticated encryption (AEAD ciphers).
*
* \param ctx generic cipher context
* \param iv IV to use (or NONCE_COUNTER for CTR-mode ciphers)
* \param iv_len IV length for ciphers with variable-size IV;
* discarded by ciphers with fixed-size IV.
* \param ad Additional data to authenticate.
* \param ad_len Length of ad.
* \param input buffer holding the input data
* \param ilen length of the input data
* \param output buffer for the output data.
* Should be able to hold at least ilen.
* \param olen length of the output data, will be filled with the
* actual number of bytes written.
* \param tag buffer for the authentication tag
* \param tag_len desired tag length
*
* \returns 0 on success, or
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA, or
* a cipher specific error code.
*/
int mbedtls_cipher_auth_encrypt( mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *ad, size_t ad_len,
const unsigned char *input, size_t ilen,
unsigned char *output, size_t *olen,
unsigned char *tag, size_t tag_len );
/**
* \brief Generic autenticated decryption (AEAD ciphers).
*
* \param ctx generic cipher context
* \param iv IV to use (or NONCE_COUNTER for CTR-mode ciphers)
* \param iv_len IV length for ciphers with variable-size IV;
* discarded by ciphers with fixed-size IV.
* \param ad Additional data to be authenticated.
* \param ad_len Length of ad.
* \param input buffer holding the input data
* \param ilen length of the input data
* \param output buffer for the output data.
* Should be able to hold at least ilen.
* \param olen length of the output data, will be filled with the
* actual number of bytes written.
* \param tag buffer holding the authentication tag
* \param tag_len length of the authentication tag
*
* \returns 0 on success, or
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA, or
* MBEDTLS_ERR_CIPHER_AUTH_FAILED if data isn't authentic,
* or a cipher specific error code.
*
* \note If the data is not authentic, then the output buffer
* is zeroed out to prevent the unauthentic plaintext to
* be used by mistake, making this interface safer.
*/
int mbedtls_cipher_auth_decrypt( mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *ad, size_t ad_len,
const unsigned char *input, size_t ilen,
unsigned char *output, size_t *olen,
const unsigned char *tag, size_t tag_len );
#endif /* MBEDTLS_CIPHER_MODE_AEAD */
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_CIPHER_H */

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/**
* \file cipher_internal.h
*
* \brief Cipher wrappers.
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_CIPHER_WRAP_H
#define MBEDTLS_CIPHER_WRAP_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include "cipher.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* Base cipher information. The non-mode specific functions and values.
*/
struct mbedtls_cipher_base_t
{
/** Base Cipher type (e.g. MBEDTLS_CIPHER_ID_AES) */
mbedtls_cipher_id_t cipher;
/** Encrypt using ECB */
int (*ecb_func)( void *ctx, mbedtls_operation_t mode,
const unsigned char *input, unsigned char *output );
#if defined(MBEDTLS_CIPHER_MODE_CBC)
/** Encrypt using CBC */
int (*cbc_func)( void *ctx, mbedtls_operation_t mode, size_t length,
unsigned char *iv, const unsigned char *input,
unsigned char *output );
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
/** Encrypt using CFB (Full length) */
int (*cfb_func)( void *ctx, mbedtls_operation_t mode, size_t length, size_t *iv_off,
unsigned char *iv, const unsigned char *input,
unsigned char *output );
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
/** Encrypt using CTR */
int (*ctr_func)( void *ctx, size_t length, size_t *nc_off,
unsigned char *nonce_counter, unsigned char *stream_block,
const unsigned char *input, unsigned char *output );
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
/** Encrypt using STREAM */
int (*stream_func)( void *ctx, size_t length,
const unsigned char *input, unsigned char *output );
#endif
/** Set key for encryption purposes */
int (*setkey_enc_func)( void *ctx, const unsigned char *key,
unsigned int key_bitlen );
/** Set key for decryption purposes */
int (*setkey_dec_func)( void *ctx, const unsigned char *key,
unsigned int key_bitlen);
/** Allocate a new context */
void * (*ctx_alloc_func)( void );
/** Free the given context */
void (*ctx_free_func)( void *ctx );
};
typedef struct
{
mbedtls_cipher_type_t type;
const mbedtls_cipher_info_t *info;
} mbedtls_cipher_definition_t;
extern const mbedtls_cipher_definition_t mbedtls_cipher_definitions[];
extern int mbedtls_cipher_supported[];
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_CIPHER_WRAP_H */

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/**
* \file cmac.h
*
* \brief Cipher-based Message Authentication Code (CMAC) Mode for
* Authentication
*
* Copyright (C) 2015-2016, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_CMAC_H
#define MBEDTLS_CMAC_H
#include "mbedtls/cipher.h"
#ifdef __cplusplus
extern "C" {
#endif
#define MBEDTLS_AES_BLOCK_SIZE 16
#define MBEDTLS_DES3_BLOCK_SIZE 8
#if defined(MBEDTLS_AES_C)
#define MBEDTLS_CIPHER_BLKSIZE_MAX 16 /* longest used by CMAC is AES */
#else
#define MBEDTLS_CIPHER_BLKSIZE_MAX 8 /* longest used by CMAC is 3DES */
#endif
/**
* CMAC context structure - Contains internal state information only
*/
struct mbedtls_cmac_context_t
{
/** Internal state of the CMAC algorithm */
unsigned char state[MBEDTLS_CIPHER_BLKSIZE_MAX];
/** Unprocessed data - either data that was not block aligned and is still
* pending to be processed, or the final block */
unsigned char unprocessed_block[MBEDTLS_CIPHER_BLKSIZE_MAX];
/** Length of data pending to be processed */
size_t unprocessed_len;
};
/**
* \brief Set the CMAC key and prepare to authenticate the input
* data.
* Should be called with an initialised cipher context.
*
* \param ctx Cipher context
* \param key CMAC key
* \param keybits length of the CMAC key in bits
* (must be acceptable by the cipher)
*
* \return 0 if successful, or a cipher specific error code
*/
int mbedtls_cipher_cmac_starts( mbedtls_cipher_context_t *ctx,
const unsigned char *key, size_t keybits );
/**
* \brief Generic CMAC process buffer.
* Called between mbedtls_cipher_cmac_starts() or
* mbedtls_cipher_cmac_reset() and
* mbedtls_cipher_cmac_finish().
* May be called repeatedly.
*
* \param ctx CMAC context
* \param input buffer holding the data
* \param ilen length of the input data
*
* \returns 0 on success, MBEDTLS_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int mbedtls_cipher_cmac_update( mbedtls_cipher_context_t *ctx,
const unsigned char *input, size_t ilen );
/**
* \brief Output CMAC.
* Called after mbedtls_cipher_cmac_update().
* Usually followed by mbedtls_cipher_cmac_reset(), then
* mbedtls_cipher_cmac_starts(), or mbedtls_cipher_free().
*
* \param ctx CMAC context
* \param output Generic CMAC checksum result
*
* \returns 0 on success, MBEDTLS_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int mbedtls_cipher_cmac_finish( mbedtls_cipher_context_t *ctx,
unsigned char *output );
/**
* \brief Prepare to authenticate a new message with the same key.
* Called after mbedtls_cipher_cmac_finish() and before
* mbedtls_cipher_cmac_update().
*
* \param ctx CMAC context to be reset
*
* \returns 0 on success, MBEDTLS_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int mbedtls_cipher_cmac_reset( mbedtls_cipher_context_t *ctx );
/**
* \brief Output = Generic_CMAC( hmac key, input buffer )
*
* \param cipher_info message digest info
* \param key CMAC key
* \param keylen length of the CMAC key in bits
* \param input buffer holding the data
* \param ilen length of the input data
* \param output Generic CMAC-result
*
* \returns 0 on success, MBEDTLS_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int mbedtls_cipher_cmac( const mbedtls_cipher_info_t *cipher_info,
const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char *output );
#if defined(MBEDTLS_AES_C)
/**
* \brief AES-CMAC-128-PRF
* Implementation of (AES-CMAC-PRF-128), as defined in RFC 4615
*
* \param key PRF key
* \param key_len PRF key length in bytes
* \param input buffer holding the input data
* \param in_len length of the input data in bytes
* \param output buffer holding the generated pseudorandom output (16 bytes)
*
* \return 0 if successful
*/
int mbedtls_aes_cmac_prf_128( const unsigned char *key, size_t key_len,
const unsigned char *input, size_t in_len,
unsigned char output[16] );
#endif /* MBEDTLS_AES_C */
#if defined(MBEDTLS_SELF_TEST) && ( defined(MBEDTLS_AES_C) || defined(MBEDTLS_DES_C) )
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_cmac_self_test( int verbose );
#endif /* MBEDTLS_SELF_TEST && ( MBEDTLS_AES_C || MBEDTLS_DES_C ) */
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_CMAC_H */

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/**
* \file ctr_drbg.h
*
* \brief CTR_DRBG based on AES-256 (NIST SP 800-90)
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_CTR_DRBG_H
#define MBEDTLS_CTR_DRBG_H
#include "aes.h"
#if defined(MBEDTLS_THREADING_C)
#include "mbedtls/threading.h"
#endif
#define MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED -0x0034 /**< The entropy source failed. */
#define MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG -0x0036 /**< Too many random requested in single call. */
#define MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG -0x0038 /**< Input too large (Entropy + additional). */
#define MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR -0x003A /**< Read/write error in file. */
#define MBEDTLS_CTR_DRBG_BLOCKSIZE 16 /**< Block size used by the cipher */
#define MBEDTLS_CTR_DRBG_KEYSIZE 32 /**< Key size used by the cipher */
#define MBEDTLS_CTR_DRBG_KEYBITS ( MBEDTLS_CTR_DRBG_KEYSIZE * 8 )
#define MBEDTLS_CTR_DRBG_SEEDLEN ( MBEDTLS_CTR_DRBG_KEYSIZE + MBEDTLS_CTR_DRBG_BLOCKSIZE )
/**< The seed length (counter + AES key) */
/**
* \name SECTION: Module settings
*
* The configuration options you can set for this module are in this section.
* Either change them in config.h or define them on the compiler command line.
* \{
*/
#if !defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN)
#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_ENTROPY_FORCE_SHA256)
#define MBEDTLS_CTR_DRBG_ENTROPY_LEN 48 /**< Amount of entropy used per seed by default (48 with SHA-512, 32 with SHA-256) */
#else
#define MBEDTLS_CTR_DRBG_ENTROPY_LEN 32 /**< Amount of entropy used per seed by default (48 with SHA-512, 32 with SHA-256) */
#endif
#endif
#if !defined(MBEDTLS_CTR_DRBG_RESEED_INTERVAL)
#define MBEDTLS_CTR_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */
#endif
#if !defined(MBEDTLS_CTR_DRBG_MAX_INPUT)
#define MBEDTLS_CTR_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */
#endif
#if !defined(MBEDTLS_CTR_DRBG_MAX_REQUEST)
#define MBEDTLS_CTR_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */
#endif
#if !defined(MBEDTLS_CTR_DRBG_MAX_SEED_INPUT)
#define MBEDTLS_CTR_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */
#endif
/* \} name SECTION: Module settings */
#define MBEDTLS_CTR_DRBG_PR_OFF 0 /**< No prediction resistance */
#define MBEDTLS_CTR_DRBG_PR_ON 1 /**< Prediction resistance enabled */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief CTR_DRBG context structure
*/
typedef struct
{
unsigned char counter[16]; /*!< counter (V) */
int reseed_counter; /*!< reseed counter */
int prediction_resistance; /*!< enable prediction resistance (Automatic
reseed before every random generation) */
size_t entropy_len; /*!< amount of entropy grabbed on each
(re)seed */
int reseed_interval; /*!< reseed interval */
mbedtls_aes_context aes_ctx; /*!< AES context */
/*
* Callbacks (Entropy)
*/
int (*f_entropy)(void *, unsigned char *, size_t);
void *p_entropy; /*!< context for the entropy function */
#if defined(MBEDTLS_THREADING_C)
mbedtls_threading_mutex_t mutex;
#endif
}
mbedtls_ctr_drbg_context;
/**
* \brief CTR_DRBG context initialization
* Makes the context ready for mbedtls_ctr_drbg_seed() or
* mbedtls_ctr_drbg_free().
*
* \param ctx CTR_DRBG context to be initialized
*/
void mbedtls_ctr_drbg_init( mbedtls_ctr_drbg_context *ctx );
/**
* \brief CTR_DRBG initial seeding
* Seed and setup entropy source for future reseeds.
*
* Note: Personalization data can be provided in addition to the more generic
* entropy source to make this instantiation as unique as possible.
*
* \param ctx CTR_DRBG context to be seeded
* \param f_entropy Entropy callback (p_entropy, buffer to fill, buffer
* length)
* \param p_entropy Entropy context
* \param custom Personalization data (Device specific identifiers)
* (Can be NULL)
* \param len Length of personalization data
*
* \return 0 if successful, or
* MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED
*/
int mbedtls_ctr_drbg_seed( mbedtls_ctr_drbg_context *ctx,
int (*f_entropy)(void *, unsigned char *, size_t),
void *p_entropy,
const unsigned char *custom,
size_t len );
/**
* \brief Clear CTR_CRBG context data
*
* \param ctx CTR_DRBG context to clear
*/
void mbedtls_ctr_drbg_free( mbedtls_ctr_drbg_context *ctx );
/**
* \brief Enable / disable prediction resistance (Default: Off)
*
* Note: If enabled, entropy is used for ctx->entropy_len before each call!
* Only use this if you have ample supply of good entropy!
*
* \param ctx CTR_DRBG context
* \param resistance MBEDTLS_CTR_DRBG_PR_ON or MBEDTLS_CTR_DRBG_PR_OFF
*/
void mbedtls_ctr_drbg_set_prediction_resistance( mbedtls_ctr_drbg_context *ctx,
int resistance );
/**
* \brief Set the amount of entropy grabbed on each (re)seed
* (Default: MBEDTLS_CTR_DRBG_ENTROPY_LEN)
*
* \param ctx CTR_DRBG context
* \param len Amount of entropy to grab
*/
void mbedtls_ctr_drbg_set_entropy_len( mbedtls_ctr_drbg_context *ctx,
size_t len );
/**
* \brief Set the reseed interval
* (Default: MBEDTLS_CTR_DRBG_RESEED_INTERVAL)
*
* \param ctx CTR_DRBG context
* \param interval Reseed interval
*/
void mbedtls_ctr_drbg_set_reseed_interval( mbedtls_ctr_drbg_context *ctx,
int interval );
/**
* \brief CTR_DRBG reseeding (extracts data from entropy source)
*
* \param ctx CTR_DRBG context
* \param additional Additional data to add to state (Can be NULL)
* \param len Length of additional data
*
* \return 0 if successful, or
* MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED
*/
int mbedtls_ctr_drbg_reseed( mbedtls_ctr_drbg_context *ctx,
const unsigned char *additional, size_t len );
/**
* \brief CTR_DRBG update state
*
* \param ctx CTR_DRBG context
* \param additional Additional data to update state with
* \param add_len Length of additional data
*
* \note If add_len is greater than MBEDTLS_CTR_DRBG_MAX_SEED_INPUT,
* only the first MBEDTLS_CTR_DRBG_MAX_SEED_INPUT bytes are used,
* the remaining ones are silently discarded.
*/
void mbedtls_ctr_drbg_update( mbedtls_ctr_drbg_context *ctx,
const unsigned char *additional, size_t add_len );
/**
* \brief CTR_DRBG generate random with additional update input
*
* Note: Automatically reseeds if reseed_counter is reached.
*
* \param p_rng CTR_DRBG context
* \param output Buffer to fill
* \param output_len Length of the buffer
* \param additional Additional data to update with (Can be NULL)
* \param add_len Length of additional data
*
* \return 0 if successful, or
* MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED, or
* MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG
*/
int mbedtls_ctr_drbg_random_with_add( void *p_rng,
unsigned char *output, size_t output_len,
const unsigned char *additional, size_t add_len );
/**
* \brief CTR_DRBG generate random
*
* Note: Automatically reseeds if reseed_counter is reached.
*
* \param p_rng CTR_DRBG context
* \param output Buffer to fill
* \param output_len Length of the buffer
*
* \return 0 if successful, or
* MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED, or
* MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG
*/
int mbedtls_ctr_drbg_random( void *p_rng,
unsigned char *output, size_t output_len );
#if defined(MBEDTLS_FS_IO)
/**
* \brief Write a seed file
*
* \param ctx CTR_DRBG context
* \param path Name of the file
*
* \return 0 if successful,
* MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR on file error, or
* MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED
*/
int mbedtls_ctr_drbg_write_seed_file( mbedtls_ctr_drbg_context *ctx, const char *path );
/**
* \brief Read and update a seed file. Seed is added to this
* instance
*
* \param ctx CTR_DRBG context
* \param path Name of the file
*
* \return 0 if successful,
* MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR on file error,
* MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED or
* MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG
*/
int mbedtls_ctr_drbg_update_seed_file( mbedtls_ctr_drbg_context *ctx, const char *path );
#endif /* MBEDTLS_FS_IO */
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_ctr_drbg_self_test( int verbose );
/* Internal functions (do not call directly) */
int mbedtls_ctr_drbg_seed_entropy_len( mbedtls_ctr_drbg_context *,
int (*)(void *, unsigned char *, size_t), void *,
const unsigned char *, size_t, size_t );
#ifdef __cplusplus
}
#endif
#endif /* ctr_drbg.h */

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/**
* \file debug.h
*
* \brief Functions for controlling and providing debug output from the library.
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_DEBUG_H
#define MBEDTLS_DEBUG_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include "ssl.h"
#if defined(MBEDTLS_ECP_C)
#include "ecp.h"
#endif
#if defined(MBEDTLS_DEBUG_C)
#define MBEDTLS_DEBUG_STRIP_PARENS( ... ) __VA_ARGS__
#define MBEDTLS_SSL_DEBUG_MSG( level, args ) \
mbedtls_debug_print_msg( ssl, level, __FILE__, __LINE__, \
MBEDTLS_DEBUG_STRIP_PARENS args )
#define MBEDTLS_SSL_DEBUG_RET( level, text, ret ) \
mbedtls_debug_print_ret( ssl, level, __FILE__, __LINE__, text, ret )
#define MBEDTLS_SSL_DEBUG_BUF( level, text, buf, len ) \
mbedtls_debug_print_buf( ssl, level, __FILE__, __LINE__, text, buf, len )
#if defined(MBEDTLS_BIGNUM_C)
#define MBEDTLS_SSL_DEBUG_MPI( level, text, X ) \
mbedtls_debug_print_mpi( ssl, level, __FILE__, __LINE__, text, X )
#endif
#if defined(MBEDTLS_ECP_C)
#define MBEDTLS_SSL_DEBUG_ECP( level, text, X ) \
mbedtls_debug_print_ecp( ssl, level, __FILE__, __LINE__, text, X )
#endif
#if defined(MBEDTLS_X509_CRT_PARSE_C)
#define MBEDTLS_SSL_DEBUG_CRT( level, text, crt ) \
mbedtls_debug_print_crt( ssl, level, __FILE__, __LINE__, text, crt )
#endif
#else /* MBEDTLS_DEBUG_C */
#define MBEDTLS_SSL_DEBUG_MSG( level, args ) do { } while( 0 )
#define MBEDTLS_SSL_DEBUG_RET( level, text, ret ) do { } while( 0 )
#define MBEDTLS_SSL_DEBUG_BUF( level, text, buf, len ) do { } while( 0 )
#define MBEDTLS_SSL_DEBUG_MPI( level, text, X ) do { } while( 0 )
#define MBEDTLS_SSL_DEBUG_ECP( level, text, X ) do { } while( 0 )
#define MBEDTLS_SSL_DEBUG_CRT( level, text, crt ) do { } while( 0 )
#endif /* MBEDTLS_DEBUG_C */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Set the threshold error level to handle globally all debug output.
* Debug messages that have a level over the threshold value are
* discarded.
* (Default value: 0 = No debug )
*
* \param threshold theshold level of messages to filter on. Messages at a
* higher level will be discarded.
* - Debug levels
* - 0 No debug
* - 1 Error
* - 2 State change
* - 3 Informational
* - 4 Verbose
*/
void mbedtls_debug_set_threshold( int threshold );
/**
* \brief Print a message to the debug output. This function is always used
* through the MBEDTLS_SSL_DEBUG_MSG() macro, which supplies the ssl
* context, file and line number parameters.
*
* \param ssl SSL context
* \param level error level of the debug message
* \param file file the message has occurred in
* \param line line number the message has occurred at
* \param format format specifier, in printf format
* \param ... variables used by the format specifier
*
* \attention This function is intended for INTERNAL usage within the
* library only.
*/
void mbedtls_debug_print_msg( const mbedtls_ssl_context *ssl, int level,
const char *file, int line,
const char *format, ... );
/**
* \brief Print the return value of a function to the debug output. This
* function is always used through the MBEDTLS_SSL_DEBUG_RET() macro,
* which supplies the ssl context, file and line number parameters.
*
* \param ssl SSL context
* \param level error level of the debug message
* \param file file the error has occurred in
* \param line line number the error has occurred in
* \param text the name of the function that returned the error
* \param ret the return code value
*
* \attention This function is intended for INTERNAL usage within the
* library only.
*/
void mbedtls_debug_print_ret( const mbedtls_ssl_context *ssl, int level,
const char *file, int line,
const char *text, int ret );
/**
* \brief Output a buffer of size len bytes to the debug output. This function
* is always used through the MBEDTLS_SSL_DEBUG_BUF() macro,
* which supplies the ssl context, file and line number parameters.
*
* \param ssl SSL context
* \param level error level of the debug message
* \param file file the error has occurred in
* \param line line number the error has occurred in
* \param text a name or label for the buffer being dumped. Normally the
* variable or buffer name
* \param buf the buffer to be outputted
* \param len length of the buffer
*
* \attention This function is intended for INTERNAL usage within the
* library only.
*/
void mbedtls_debug_print_buf( const mbedtls_ssl_context *ssl, int level,
const char *file, int line, const char *text,
const unsigned char *buf, size_t len );
#if defined(MBEDTLS_BIGNUM_C)
/**
* \brief Print a MPI variable to the debug output. This function is always
* used through the MBEDTLS_SSL_DEBUG_MPI() macro, which supplies the
* ssl context, file and line number parameters.
*
* \param ssl SSL context
* \param level error level of the debug message
* \param file file the error has occurred in
* \param line line number the error has occurred in
* \param text a name or label for the MPI being output. Normally the
* variable name
* \param X the MPI variable
*
* \attention This function is intended for INTERNAL usage within the
* library only.
*/
void mbedtls_debug_print_mpi( const mbedtls_ssl_context *ssl, int level,
const char *file, int line,
const char *text, const mbedtls_mpi *X );
#endif
#if defined(MBEDTLS_ECP_C)
/**
* \brief Print an ECP point to the debug output. This function is always
* used through the MBEDTLS_SSL_DEBUG_ECP() macro, which supplies the
* ssl context, file and line number parameters.
*
* \param ssl SSL context
* \param level error level of the debug message
* \param file file the error has occurred in
* \param line line number the error has occurred in
* \param text a name or label for the ECP point being output. Normally the
* variable name
* \param X the ECP point
*
* \attention This function is intended for INTERNAL usage within the
* library only.
*/
void mbedtls_debug_print_ecp( const mbedtls_ssl_context *ssl, int level,
const char *file, int line,
const char *text, const mbedtls_ecp_point *X );
#endif
#if defined(MBEDTLS_X509_CRT_PARSE_C)
/**
* \brief Print a X.509 certificate structure to the debug output. This
* function is always used through the MBEDTLS_SSL_DEBUG_CRT() macro,
* which supplies the ssl context, file and line number parameters.
*
* \param ssl SSL context
* \param level error level of the debug message
* \param file file the error has occurred in
* \param line line number the error has occurred in
* \param text a name or label for the certificate being output
* \param crt X.509 certificate structure
*
* \attention This function is intended for INTERNAL usage within the
* library only.
*/
void mbedtls_debug_print_crt( const mbedtls_ssl_context *ssl, int level,
const char *file, int line,
const char *text, const mbedtls_x509_crt *crt );
#endif
#ifdef __cplusplus
}
#endif
#endif /* debug.h */

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/**
* \file des.h
*
* \brief DES block cipher
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_DES_H
#define MBEDTLS_DES_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#include <stdint.h>
#define MBEDTLS_DES_ENCRYPT 1
#define MBEDTLS_DES_DECRYPT 0
#define MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH -0x0032 /**< The data input has an invalid length. */
#define MBEDTLS_DES_KEY_SIZE 8
#if !defined(MBEDTLS_DES_ALT)
// Regular implementation
//
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief DES context structure
*/
typedef struct
{
uint32_t sk[32]; /*!< DES subkeys */
}
mbedtls_des_context;
/**
* \brief Triple-DES context structure
*/
typedef struct
{
uint32_t sk[96]; /*!< 3DES subkeys */
}
mbedtls_des3_context;
/**
* \brief Initialize DES context
*
* \param ctx DES context to be initialized
*/
void mbedtls_des_init( mbedtls_des_context *ctx );
/**
* \brief Clear DES context
*
* \param ctx DES context to be cleared
*/
void mbedtls_des_free( mbedtls_des_context *ctx );
/**
* \brief Initialize Triple-DES context
*
* \param ctx DES3 context to be initialized
*/
void mbedtls_des3_init( mbedtls_des3_context *ctx );
/**
* \brief Clear Triple-DES context
*
* \param ctx DES3 context to be cleared
*/
void mbedtls_des3_free( mbedtls_des3_context *ctx );
/**
* \brief Set key parity on the given key to odd.
*
* DES keys are 56 bits long, but each byte is padded with
* a parity bit to allow verification.
*
* \param key 8-byte secret key
*/
void mbedtls_des_key_set_parity( unsigned char key[MBEDTLS_DES_KEY_SIZE] );
/**
* \brief Check that key parity on the given key is odd.
*
* DES keys are 56 bits long, but each byte is padded with
* a parity bit to allow verification.
*
* \param key 8-byte secret key
*
* \return 0 is parity was ok, 1 if parity was not correct.
*/
int mbedtls_des_key_check_key_parity( const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
/**
* \brief Check that key is not a weak or semi-weak DES key
*
* \param key 8-byte secret key
*
* \return 0 if no weak key was found, 1 if a weak key was identified.
*/
int mbedtls_des_key_check_weak( const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
/**
* \brief DES key schedule (56-bit, encryption)
*
* \param ctx DES context to be initialized
* \param key 8-byte secret key
*
* \return 0
*/
int mbedtls_des_setkey_enc( mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
/**
* \brief DES key schedule (56-bit, decryption)
*
* \param ctx DES context to be initialized
* \param key 8-byte secret key
*
* \return 0
*/
int mbedtls_des_setkey_dec( mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
/**
* \brief Triple-DES key schedule (112-bit, encryption)
*
* \param ctx 3DES context to be initialized
* \param key 16-byte secret key
*
* \return 0
*/
int mbedtls_des3_set2key_enc( mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] );
/**
* \brief Triple-DES key schedule (112-bit, decryption)
*
* \param ctx 3DES context to be initialized
* \param key 16-byte secret key
*
* \return 0
*/
int mbedtls_des3_set2key_dec( mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] );
/**
* \brief Triple-DES key schedule (168-bit, encryption)
*
* \param ctx 3DES context to be initialized
* \param key 24-byte secret key
*
* \return 0
*/
int mbedtls_des3_set3key_enc( mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] );
/**
* \brief Triple-DES key schedule (168-bit, decryption)
*
* \param ctx 3DES context to be initialized
* \param key 24-byte secret key
*
* \return 0
*/
int mbedtls_des3_set3key_dec( mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] );
/**
* \brief DES-ECB block encryption/decryption
*
* \param ctx DES context
* \param input 64-bit input block
* \param output 64-bit output block
*
* \return 0 if successful
*/
int mbedtls_des_crypt_ecb( mbedtls_des_context *ctx,
const unsigned char input[8],
unsigned char output[8] );
#if defined(MBEDTLS_CIPHER_MODE_CBC)
/**
* \brief DES-CBC buffer encryption/decryption
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* block(s) of data and get the same result as if it was
* encrypted in one call. This allows a "streaming" usage.
* If on the other hand you need to retain the contents of the
* IV, you should either save it manually or use the cipher
* module instead.
*
* \param ctx DES context
* \param mode MBEDTLS_DES_ENCRYPT or MBEDTLS_DES_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*/
int mbedtls_des_crypt_cbc( mbedtls_des_context *ctx,
int mode,
size_t length,
unsigned char iv[8],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CBC */
/**
* \brief 3DES-ECB block encryption/decryption
*
* \param ctx 3DES context
* \param input 64-bit input block
* \param output 64-bit output block
*
* \return 0 if successful
*/
int mbedtls_des3_crypt_ecb( mbedtls_des3_context *ctx,
const unsigned char input[8],
unsigned char output[8] );
#if defined(MBEDTLS_CIPHER_MODE_CBC)
/**
* \brief 3DES-CBC buffer encryption/decryption
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* block(s) of data and get the same result as if it was
* encrypted in one call. This allows a "streaming" usage.
* If on the other hand you need to retain the contents of the
* IV, you should either save it manually or use the cipher
* module instead.
*
* \param ctx 3DES context
* \param mode MBEDTLS_DES_ENCRYPT or MBEDTLS_DES_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful, or MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH
*/
int mbedtls_des3_crypt_cbc( mbedtls_des3_context *ctx,
int mode,
size_t length,
unsigned char iv[8],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CBC */
/**
* \brief Internal function for key expansion.
* (Only exposed to allow overriding it,
* see MBEDTLS_DES_SETKEY_ALT)
*
* \param SK Round keys
* \param key Base key
*/
void mbedtls_des_setkey( uint32_t SK[32],
const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
#ifdef __cplusplus
}
#endif
#else /* MBEDTLS_DES_ALT */
#include "des_alt.h"
#endif /* MBEDTLS_DES_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_des_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* des.h */

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/**
* \file dhm.h
*
* \brief Diffie-Hellman-Merkle key exchange
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_DHM_H
#define MBEDTLS_DHM_H
#include "bignum.h"
/*
* DHM Error codes
*/
#define MBEDTLS_ERR_DHM_BAD_INPUT_DATA -0x3080 /**< Bad input parameters to function. */
#define MBEDTLS_ERR_DHM_READ_PARAMS_FAILED -0x3100 /**< Reading of the DHM parameters failed. */
#define MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED -0x3180 /**< Making of the DHM parameters failed. */
#define MBEDTLS_ERR_DHM_READ_PUBLIC_FAILED -0x3200 /**< Reading of the public values failed. */
#define MBEDTLS_ERR_DHM_MAKE_PUBLIC_FAILED -0x3280 /**< Making of the public value failed. */
#define MBEDTLS_ERR_DHM_CALC_SECRET_FAILED -0x3300 /**< Calculation of the DHM secret failed. */
#define MBEDTLS_ERR_DHM_INVALID_FORMAT -0x3380 /**< The ASN.1 data is not formatted correctly. */
#define MBEDTLS_ERR_DHM_ALLOC_FAILED -0x3400 /**< Allocation of memory failed. */
#define MBEDTLS_ERR_DHM_FILE_IO_ERROR -0x3480 /**< Read/write of file failed. */
/**
* RFC 3526 defines a number of standardized Diffie-Hellman groups
* for IKE.
* RFC 5114 defines a number of standardized Diffie-Hellman groups
* that can be used.
*
* Some are included here for convenience.
*
* Included are:
* RFC 3526 3. 2048-bit MODP Group
* RFC 3526 4. 3072-bit MODP Group
* RFC 3526 5. 4096-bit MODP Group
* RFC 5114 2.2. 2048-bit MODP Group with 224-bit Prime Order Subgroup
*/
#define MBEDTLS_DHM_RFC3526_MODP_2048_P \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
"E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
"DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
"15728E5A8AACAA68FFFFFFFFFFFFFFFF"
#define MBEDTLS_DHM_RFC3526_MODP_2048_G "02"
#define MBEDTLS_DHM_RFC3526_MODP_3072_P \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
"E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
"DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
"15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64" \
"ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7" \
"ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B" \
"F12FFA06D98A0864D87602733EC86A64521F2B18177B200C" \
"BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31" \
"43DB5BFCE0FD108E4B82D120A93AD2CAFFFFFFFFFFFFFFFF"
#define MBEDTLS_DHM_RFC3526_MODP_3072_G "02"
#define MBEDTLS_DHM_RFC3526_MODP_4096_P \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
"E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
"DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
"15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64" \
"ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7" \
"ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B" \
"F12FFA06D98A0864D87602733EC86A64521F2B18177B200C" \
"BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31" \
"43DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D7" \
"88719A10BDBA5B2699C327186AF4E23C1A946834B6150BDA" \
"2583E9CA2AD44CE8DBBBC2DB04DE8EF92E8EFC141FBECAA6" \
"287C59474E6BC05D99B2964FA090C3A2233BA186515BE7ED" \
"1F612970CEE2D7AFB81BDD762170481CD0069127D5B05AA9" \
"93B4EA988D8FDDC186FFB7DC90A6C08F4DF435C934063199" \
"FFFFFFFFFFFFFFFF"
#define MBEDTLS_DHM_RFC3526_MODP_4096_G "02"
#define MBEDTLS_DHM_RFC5114_MODP_2048_P \
"AD107E1E9123A9D0D660FAA79559C51FA20D64E5683B9FD1" \
"B54B1597B61D0A75E6FA141DF95A56DBAF9A3C407BA1DF15" \
"EB3D688A309C180E1DE6B85A1274A0A66D3F8152AD6AC212" \
"9037C9EDEFDA4DF8D91E8FEF55B7394B7AD5B7D0B6C12207" \
"C9F98D11ED34DBF6C6BA0B2C8BBC27BE6A00E0A0B9C49708" \
"B3BF8A317091883681286130BC8985DB1602E714415D9330" \
"278273C7DE31EFDC7310F7121FD5A07415987D9ADC0A486D" \
"CDF93ACC44328387315D75E198C641A480CD86A1B9E587E8" \
"BE60E69CC928B2B9C52172E413042E9B23F10B0E16E79763" \
"C9B53DCF4BA80A29E3FB73C16B8E75B97EF363E2FFA31F71" \
"CF9DE5384E71B81C0AC4DFFE0C10E64F"
#define MBEDTLS_DHM_RFC5114_MODP_2048_G \
"AC4032EF4F2D9AE39DF30B5C8FFDAC506CDEBE7B89998CAF"\
"74866A08CFE4FFE3A6824A4E10B9A6F0DD921F01A70C4AFA"\
"AB739D7700C29F52C57DB17C620A8652BE5E9001A8D66AD7"\
"C17669101999024AF4D027275AC1348BB8A762D0521BC98A"\
"E247150422EA1ED409939D54DA7460CDB5F6C6B250717CBE"\
"F180EB34118E98D119529A45D6F834566E3025E316A330EF"\
"BB77A86F0C1AB15B051AE3D428C8F8ACB70A8137150B8EEB"\
"10E183EDD19963DDD9E263E4770589EF6AA21E7F5F2FF381"\
"B539CCE3409D13CD566AFBB48D6C019181E1BCFE94B30269"\
"EDFE72FE9B6AA4BD7B5A0F1C71CFFF4C19C418E1F6EC0179"\
"81BC087F2A7065B384B890D3191F2BFA"
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief DHM context structure
*/
typedef struct
{
size_t len; /*!< size(P) in chars */
mbedtls_mpi P; /*!< prime modulus */
mbedtls_mpi G; /*!< generator */
mbedtls_mpi X; /*!< secret value */
mbedtls_mpi GX; /*!< self = G^X mod P */
mbedtls_mpi GY; /*!< peer = G^Y mod P */
mbedtls_mpi K; /*!< key = GY^X mod P */
mbedtls_mpi RP; /*!< cached R^2 mod P */
mbedtls_mpi Vi; /*!< blinding value */
mbedtls_mpi Vf; /*!< un-blinding value */
mbedtls_mpi pX; /*!< previous X */
}
mbedtls_dhm_context;
/**
* \brief Initialize DHM context
*
* \param ctx DHM context to be initialized
*/
void mbedtls_dhm_init( mbedtls_dhm_context *ctx );
/**
* \brief Parse the ServerKeyExchange parameters
*
* \param ctx DHM context
* \param p &(start of input buffer)
* \param end end of buffer
*
* \return 0 if successful, or an MBEDTLS_ERR_DHM_XXX error code
*/
int mbedtls_dhm_read_params( mbedtls_dhm_context *ctx,
unsigned char **p,
const unsigned char *end );
/**
* \brief Setup and write the ServerKeyExchange parameters
*
* \param ctx DHM context
* \param x_size private value size in bytes
* \param output destination buffer
* \param olen number of chars written
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \note This function assumes that ctx->P and ctx->G
* have already been properly set (for example
* using mbedtls_mpi_read_string or mbedtls_mpi_read_binary).
*
* \return 0 if successful, or an MBEDTLS_ERR_DHM_XXX error code
*/
int mbedtls_dhm_make_params( mbedtls_dhm_context *ctx, int x_size,
unsigned char *output, size_t *olen,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Import the peer's public value G^Y
*
* \param ctx DHM context
* \param input input buffer
* \param ilen size of buffer
*
* \return 0 if successful, or an MBEDTLS_ERR_DHM_XXX error code
*/
int mbedtls_dhm_read_public( mbedtls_dhm_context *ctx,
const unsigned char *input, size_t ilen );
/**
* \brief Create own private value X and export G^X
*
* \param ctx DHM context
* \param x_size private value size in bytes
* \param output destination buffer
* \param olen must be at least equal to the size of P, ctx->len
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \return 0 if successful, or an MBEDTLS_ERR_DHM_XXX error code
*/
int mbedtls_dhm_make_public( mbedtls_dhm_context *ctx, int x_size,
unsigned char *output, size_t olen,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Derive and export the shared secret (G^Y)^X mod P
*
* \param ctx DHM context
* \param output destination buffer
* \param output_size size of the destination buffer
* \param olen on exit, holds the actual number of bytes written
* \param f_rng RNG function, for blinding purposes
* \param p_rng RNG parameter
*
* \return 0 if successful, or an MBEDTLS_ERR_DHM_XXX error code
*
* \note If non-NULL, f_rng is used to blind the input as
* countermeasure against timing attacks. Blinding is
* automatically used if and only if our secret value X is
* re-used and costs nothing otherwise, so it is recommended
* to always pass a non-NULL f_rng argument.
*/
int mbedtls_dhm_calc_secret( mbedtls_dhm_context *ctx,
unsigned char *output, size_t output_size, size_t *olen,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Free and clear the components of a DHM key
*
* \param ctx DHM context to free and clear
*/
void mbedtls_dhm_free( mbedtls_dhm_context *ctx );
#if defined(MBEDTLS_ASN1_PARSE_C)
/** \ingroup x509_module */
/**
* \brief Parse DHM parameters in PEM or DER format
*
* \param dhm DHM context to be initialized
* \param dhmin input buffer
* \param dhminlen size of the buffer
* (including the terminating null byte for PEM data)
*
* \return 0 if successful, or a specific DHM or PEM error code
*/
int mbedtls_dhm_parse_dhm( mbedtls_dhm_context *dhm, const unsigned char *dhmin,
size_t dhminlen );
#if defined(MBEDTLS_FS_IO)
/** \ingroup x509_module */
/**
* \brief Load and parse DHM parameters
*
* \param dhm DHM context to be initialized
* \param path filename to read the DHM Parameters from
*
* \return 0 if successful, or a specific DHM or PEM error code
*/
int mbedtls_dhm_parse_dhmfile( mbedtls_dhm_context *dhm, const char *path );
#endif /* MBEDTLS_FS_IO */
#endif /* MBEDTLS_ASN1_PARSE_C */
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_dhm_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* dhm.h */

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/**
* \file ecdh.h
*
* \brief Elliptic curve Diffie-Hellman
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_ECDH_H
#define MBEDTLS_ECDH_H
#include "ecp.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* When importing from an EC key, select if it is our key or the peer's key
*/
typedef enum
{
MBEDTLS_ECDH_OURS,
MBEDTLS_ECDH_THEIRS,
} mbedtls_ecdh_side;
/**
* \brief ECDH context structure
*/
typedef struct
{
mbedtls_ecp_group grp; /*!< elliptic curve used */
mbedtls_mpi d; /*!< our secret value (private key) */
mbedtls_ecp_point Q; /*!< our public value (public key) */
mbedtls_ecp_point Qp; /*!< peer's public value (public key) */
mbedtls_mpi z; /*!< shared secret */
int point_format; /*!< format for point export in TLS messages */
mbedtls_ecp_point Vi; /*!< blinding value (for later) */
mbedtls_ecp_point Vf; /*!< un-blinding value (for later) */
mbedtls_mpi _d; /*!< previous d (for later) */
}
mbedtls_ecdh_context;
/**
* \brief Generate a public key.
* Raw function that only does the core computation.
*
* \param grp ECP group
* \param d Destination MPI (secret exponent, aka private key)
* \param Q Destination point (public key)
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \return 0 if successful,
* or a MBEDTLS_ERR_ECP_XXX or MBEDTLS_MPI_XXX error code
*/
int mbedtls_ecdh_gen_public( mbedtls_ecp_group *grp, mbedtls_mpi *d, mbedtls_ecp_point *Q,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Compute shared secret
* Raw function that only does the core computation.
*
* \param grp ECP group
* \param z Destination MPI (shared secret)
* \param Q Public key from other party
* \param d Our secret exponent (private key)
* \param f_rng RNG function (see notes)
* \param p_rng RNG parameter
*
* \return 0 if successful,
* or a MBEDTLS_ERR_ECP_XXX or MBEDTLS_MPI_XXX error code
*
* \note If f_rng is not NULL, it is used to implement
* countermeasures against potential elaborate timing
* attacks, see \c mbedtls_ecp_mul() for details.
*/
int mbedtls_ecdh_compute_shared( mbedtls_ecp_group *grp, mbedtls_mpi *z,
const mbedtls_ecp_point *Q, const mbedtls_mpi *d,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Initialize context
*
* \param ctx Context to initialize
*/
void mbedtls_ecdh_init( mbedtls_ecdh_context *ctx );
/**
* \brief Free context
*
* \param ctx Context to free
*/
void mbedtls_ecdh_free( mbedtls_ecdh_context *ctx );
/**
* \brief Generate a public key and a TLS ServerKeyExchange payload.
* (First function used by a TLS server for ECDHE.)
*
* \param ctx ECDH context
* \param olen number of chars written
* \param buf destination buffer
* \param blen length of buffer
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \note This function assumes that ctx->grp has already been
* properly set (for example using mbedtls_ecp_group_load).
*
* \return 0 if successful, or an MBEDTLS_ERR_ECP_XXX error code
*/
int mbedtls_ecdh_make_params( mbedtls_ecdh_context *ctx, size_t *olen,
unsigned char *buf, size_t blen,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Parse and procress a TLS ServerKeyExhange payload.
* (First function used by a TLS client for ECDHE.)
*
* \param ctx ECDH context
* \param buf pointer to start of input buffer
* \param end one past end of buffer
*
* \return 0 if successful, or an MBEDTLS_ERR_ECP_XXX error code
*/
int mbedtls_ecdh_read_params( mbedtls_ecdh_context *ctx,
const unsigned char **buf, const unsigned char *end );
/**
* \brief Setup an ECDH context from an EC key.
* (Used by clients and servers in place of the
* ServerKeyEchange for static ECDH: import ECDH parameters
* from a certificate's EC key information.)
*
* \param ctx ECDH constext to set
* \param key EC key to use
* \param side Is it our key (1) or the peer's key (0) ?
*
* \return 0 if successful, or an MBEDTLS_ERR_ECP_XXX error code
*/
int mbedtls_ecdh_get_params( mbedtls_ecdh_context *ctx, const mbedtls_ecp_keypair *key,
mbedtls_ecdh_side side );
/**
* \brief Generate a public key and a TLS ClientKeyExchange payload.
* (Second function used by a TLS client for ECDH(E).)
*
* \param ctx ECDH context
* \param olen number of bytes actually written
* \param buf destination buffer
* \param blen size of destination buffer
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \return 0 if successful, or an MBEDTLS_ERR_ECP_XXX error code
*/
int mbedtls_ecdh_make_public( mbedtls_ecdh_context *ctx, size_t *olen,
unsigned char *buf, size_t blen,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Parse and process a TLS ClientKeyExchange payload.
* (Second function used by a TLS server for ECDH(E).)
*
* \param ctx ECDH context
* \param buf start of input buffer
* \param blen length of input buffer
*
* \return 0 if successful, or an MBEDTLS_ERR_ECP_XXX error code
*/
int mbedtls_ecdh_read_public( mbedtls_ecdh_context *ctx,
const unsigned char *buf, size_t blen );
/**
* \brief Derive and export the shared secret.
* (Last function used by both TLS client en servers.)
*
* \param ctx ECDH context
* \param olen number of bytes written
* \param buf destination buffer
* \param blen buffer length
* \param f_rng RNG function, see notes for \c mbedtls_ecdh_compute_shared()
* \param p_rng RNG parameter
*
* \return 0 if successful, or an MBEDTLS_ERR_ECP_XXX error code
*/
int mbedtls_ecdh_calc_secret( mbedtls_ecdh_context *ctx, size_t *olen,
unsigned char *buf, size_t blen,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
#ifdef __cplusplus
}
#endif
#endif /* ecdh.h */

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/**
* \file ecdsa.h
*
* \brief Elliptic curve DSA
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_ECDSA_H
#define MBEDTLS_ECDSA_H
#include "ecp.h"
#include "md.h"
/*
* RFC 4492 page 20:
*
* Ecdsa-Sig-Value ::= SEQUENCE {
* r INTEGER,
* s INTEGER
* }
*
* Size is at most
* 1 (tag) + 1 (len) + 1 (initial 0) + ECP_MAX_BYTES for each of r and s,
* twice that + 1 (tag) + 2 (len) for the sequence
* (assuming ECP_MAX_BYTES is less than 126 for r and s,
* and less than 124 (total len <= 255) for the sequence)
*/
#if MBEDTLS_ECP_MAX_BYTES > 124
#error "MBEDTLS_ECP_MAX_BYTES bigger than expected, please fix MBEDTLS_ECDSA_MAX_LEN"
#endif
/** Maximum size of an ECDSA signature in bytes */
#define MBEDTLS_ECDSA_MAX_LEN ( 3 + 2 * ( 3 + MBEDTLS_ECP_MAX_BYTES ) )
/**
* \brief ECDSA context structure
*/
typedef mbedtls_ecp_keypair mbedtls_ecdsa_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Compute ECDSA signature of a previously hashed message
*
* \note The deterministic version is usually prefered.
*
* \param grp ECP group
* \param r First output integer
* \param s Second output integer
* \param d Private signing key
* \param buf Message hash
* \param blen Length of buf
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \return 0 if successful,
* or a MBEDTLS_ERR_ECP_XXX or MBEDTLS_MPI_XXX error code
*/
int mbedtls_ecdsa_sign( mbedtls_ecp_group *grp, mbedtls_mpi *r, mbedtls_mpi *s,
const mbedtls_mpi *d, const unsigned char *buf, size_t blen,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );
#if defined(MBEDTLS_ECDSA_DETERMINISTIC)
/**
* \brief Compute ECDSA signature of a previously hashed message,
* deterministic version (RFC 6979).
*
* \param grp ECP group
* \param r First output integer
* \param s Second output integer
* \param d Private signing key
* \param buf Message hash
* \param blen Length of buf
* \param md_alg MD algorithm used to hash the message
*
* \return 0 if successful,
* or a MBEDTLS_ERR_ECP_XXX or MBEDTLS_MPI_XXX error code
*/
int mbedtls_ecdsa_sign_det( mbedtls_ecp_group *grp, mbedtls_mpi *r, mbedtls_mpi *s,
const mbedtls_mpi *d, const unsigned char *buf, size_t blen,
mbedtls_md_type_t md_alg );
#endif /* MBEDTLS_ECDSA_DETERMINISTIC */
/**
* \brief Verify ECDSA signature of a previously hashed message
*
* \param grp ECP group
* \param buf Message hash
* \