mbedTLS
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Outline
#define MBEDTLS_BASE64_H
#include "config.h"
#include
#include <stddef.h>
#define MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL
#define MBEDTLS_ERR_BASE64_INVALID_CHARACTER
mbedtls_base64_encode(unsigned char *, size_t, size_t *, const unsigned char *, size_t);
mbedtls_base64_decode(unsigned char *, size_t, size_t *, const unsigned char *, size_t);
Files
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SourceVuSTM32 Libraries and SamplesmbedTLSinclude/mbedtls/base64.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 #if !defined(MBEDTLS_CONFIG_FILE) #include "config.h" #else #include MBEDTLS_CONFIG_FILE #endif #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 ); #if defined(MBEDTLS_SELF_TEST) /** * \brief Checkup routine * * \return 0 if successful, or 1 if the test failed *//* ... */ int mbedtls_base64_self_test( int verbose ); /* ... */ #endif /* MBEDTLS_SELF_TEST */ #ifdef __cplusplus }extern "C" { ... } #endif /* ... */ #endif /* base64.h */
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