51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
//
|
|
// base64.c
|
|
// c-ipfs
|
|
//
|
|
// Created by John Jones on 10/31/16.
|
|
// Copyright © 2016 JMJAtlanta. All rights reserved.
|
|
//
|
|
|
|
#include <stdio.h>
|
|
#include "mbedtls/base64.h"
|
|
|
|
/**
|
|
* encode using base64
|
|
* @param input_data the data to be encoded
|
|
* @param input_length the length of the input data
|
|
* @param output_data where the data is to be stored
|
|
* @param max_output_length the max size of the output_data
|
|
* @param bytes_written the number of bytes written to output_data
|
|
* @returns true(1) on success, otherwise false
|
|
*/
|
|
int base64_encode(const unsigned char* input_data, size_t input_length, unsigned char* output_data, size_t max_output_length, size_t* bytes_written) {
|
|
int retVal = mbedtls_base64_encode(output_data, max_output_length, bytes_written, input_data, input_length);
|
|
return retVal == 0;
|
|
}
|
|
|
|
size_t base64_encode_length(const unsigned char* input_data, size_t input_length) {
|
|
size_t req_bytes;
|
|
mbedtls_base64_encode(NULL, 0, &req_bytes, input_data, input_length);
|
|
return req_bytes;
|
|
}
|
|
|
|
/**
|
|
* decode something that was encoded as base64
|
|
* @param input_data the data to decode
|
|
* @param input_length the length of the input data
|
|
* @param output_data the buffer to store the output
|
|
* @param max_output_length the length of the output buffer
|
|
* @param bytes_written the number of bytes written to output_data
|
|
* @returns a pointer to the decoded data
|
|
*/
|
|
int base64_decode(const unsigned char* input_data, size_t input_length, unsigned char* output_data, size_t max_output_length, size_t* bytes_written) {
|
|
int retVal = mbedtls_base64_decode(output_data, max_output_length, bytes_written, input_data, input_length);
|
|
return retVal == 0;
|
|
}
|
|
|
|
size_t base64_decode_length(const unsigned char* input_data, size_t input_length) {
|
|
size_t req_bytes;
|
|
mbedtls_base64_decode(NULL, 0, &req_bytes, input_data, input_length);
|
|
return req_bytes;
|
|
}
|