| /** |
| * \file md5.h |
| * |
| * \brief MD5 message digest algorithm (hash function) |
| * |
| * \warning MD5 is considered a weak message digest and its use constitutes a |
| * security risk. We recommend considering stronger message |
| * digests instead. |
| */ |
| /* |
| * Copyright The Mbed TLS Contributors |
| * 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. |
| */ |
| #ifndef MBEDTLS_MD5_H |
| #define MBEDTLS_MD5_H |
| #include "mbedtls/private_access.h" |
| |
| #include "mbedtls/build_info.h" |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #if !defined(MBEDTLS_MD5_ALT) |
| // Regular implementation |
| // |
| |
| /** |
| * \brief MD5 context structure |
| * |
| * \warning MD5 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| typedef struct mbedtls_md5_context |
| { |
| uint32_t MBEDTLS_PRIVATE(total)[2]; /*!< number of bytes processed */ |
| uint32_t MBEDTLS_PRIVATE(state)[4]; /*!< intermediate digest state */ |
| unsigned char MBEDTLS_PRIVATE(buffer)[64]; /*!< data block being processed */ |
| } |
| mbedtls_md5_context; |
| |
| #else /* MBEDTLS_MD5_ALT */ |
| #include "md5_alt.h" |
| #endif /* MBEDTLS_MD5_ALT */ |
| |
| /** |
| * \brief Initialize MD5 context |
| * |
| * \param ctx MD5 context to be initialized |
| * |
| * \warning MD5 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| void mbedtls_md5_init( mbedtls_md5_context *ctx ); |
| |
| /** |
| * \brief Clear MD5 context |
| * |
| * \param ctx MD5 context to be cleared |
| * |
| * \warning MD5 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| void mbedtls_md5_free( mbedtls_md5_context *ctx ); |
| |
| /** |
| * \brief Clone (the state of) an MD5 context |
| * |
| * \param dst The destination context |
| * \param src The context to be cloned |
| * |
| * \warning MD5 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| void mbedtls_md5_clone( mbedtls_md5_context *dst, |
| const mbedtls_md5_context *src ); |
| |
| /** |
| * \brief MD5 context setup |
| * |
| * \param ctx context to be initialized |
| * |
| * \return 0 if successful |
| * |
| * \warning MD5 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| int mbedtls_md5_starts( mbedtls_md5_context *ctx ); |
| |
| /** |
| * \brief MD5 process buffer |
| * |
| * \param ctx MD5 context |
| * \param input buffer holding the data |
| * \param ilen length of the input data |
| * |
| * \return 0 if successful |
| * |
| * \warning MD5 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| int mbedtls_md5_update( mbedtls_md5_context *ctx, |
| const unsigned char *input, |
| size_t ilen ); |
| |
| /** |
| * \brief MD5 final digest |
| * |
| * \param ctx MD5 context |
| * \param output MD5 checksum result |
| * |
| * \return 0 if successful |
| * |
| * \warning MD5 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| int mbedtls_md5_finish( mbedtls_md5_context *ctx, |
| unsigned char output[16] ); |
| |
| /** |
| * \brief MD5 process data block (internal use only) |
| * |
| * \param ctx MD5 context |
| * \param data buffer holding one block of data |
| * |
| * \return 0 if successful |
| * |
| * \warning MD5 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| int mbedtls_internal_md5_process( mbedtls_md5_context *ctx, |
| const unsigned char data[64] ); |
| |
| /** |
| * \brief Output = MD5( input buffer ) |
| * |
| * \param input buffer holding the data |
| * \param ilen length of the input data |
| * \param output MD5 checksum result |
| * |
| * \return 0 if successful |
| * |
| * \warning MD5 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| int mbedtls_md5( const unsigned char *input, |
| size_t ilen, |
| unsigned char output[16] ); |
| |
| #if defined(MBEDTLS_SELF_TEST) |
| |
| /** |
| * \brief Checkup routine |
| * |
| * \return 0 if successful, or 1 if the test failed |
| * |
| * \warning MD5 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| int mbedtls_md5_self_test( int verbose ); |
| |
| #endif /* MBEDTLS_SELF_TEST */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* mbedtls_md5.h */ |