50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
//
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// base64.c
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// c-ipfs
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//
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// Created by John Jones on 10/31/16.
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// Copyright © 2016 JMJAtlanta. All rights reserved.
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//
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#include <stdio.h>
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#include "mbedtls/base64.h"
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/**
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* encode using base64
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* @param input_data the data to be encoded
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* @param input_length the length of the input data
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* @param output_data where the data is to be stored
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* @param max_output_length the max size of the output_data
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* @param bytes_written the number of bytes written to output_data
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* @returns true(1) on success, otherwise false
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*/
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int libp2p_crypto_encoding_base64_encode(const unsigned char* input_data, size_t input_length, unsigned char* output_data, size_t max_output_length, size_t* bytes_written) {
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int retVal = mbedtls_base64_encode(output_data, max_output_length, bytes_written, input_data, input_length);
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return retVal == 0;
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}
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size_t libp2p_crypto_encoding_base64_encode_length(const unsigned char* input_data, size_t input_length) {
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size_t req_bytes;
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mbedtls_base64_encode(NULL, 0, &req_bytes, input_data, input_length);
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return req_bytes;
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}
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/**
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* decode something that was encoded as base64
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* @param input_data the data to decode
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* @param input_length the length of the input data
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* @param output_data the buffer to store the output
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* @param max_output_length the length of the output buffer
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* @param bytes_written the number of bytes written to output_data
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* @returns a pointer to the decoded data
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*/
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int libp2p_crypto_encoding_base64_decode(const unsigned char* input_data, size_t input_length, unsigned char* output_data, size_t max_output_length, size_t* bytes_written) {
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int retVal = mbedtls_base64_decode(output_data, max_output_length, bytes_written, input_data, input_length);
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return retVal == 0;
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}
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size_t libp2p_crypto_encoding_base64_decode_length(const unsigned char* input_data, size_t input_length) {
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size_t req_bytes;
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mbedtls_base64_decode(NULL, 0, &req_bytes, input_data, input_length);
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return req_bytes;
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}
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