| /** |
| * \file md4.h |
| * |
| * \brief MD4 message digest algorithm (hash function) |
| * |
| * \warning MD4 is considered a weak message digest and its use constitutes a |
| * security risk. We recommend considering stronger message digests |
| * instead. |
| */ |
| /* |
| * 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_MD4_H |
| #define MBEDTLS_MD4_H |
| |
| #if !defined(MBEDTLS_CONFIG_FILE) |
| #include "config.h" |
| #else |
| #include MBEDTLS_CONFIG_FILE |
| #endif |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #define MBEDTLS_ERR_MD4_HW_ACCEL_FAILED -0x002D /**< MD4 hardware accelerator failed */ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #if !defined(MBEDTLS_MD4_ALT) |
| // Regular implementation |
| // |
| |
| /** |
| * \brief MD4 context structure |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| typedef struct |
| { |
| uint32_t total[2]; /*!< number of bytes processed */ |
| uint32_t state[4]; /*!< intermediate digest state */ |
| unsigned char buffer[64]; /*!< data block being processed */ |
| } |
| mbedtls_md4_context; |
| |
| #else /* MBEDTLS_MD4_ALT */ |
| #include "md4_alt.h" |
| #endif /* MBEDTLS_MD4_ALT */ |
| |
| /** |
| * \brief Initialize MD4 context |
| * |
| * \param ctx MD4 context to be initialized |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| void mbedtls_md4_init( mbedtls_md4_context *ctx ); |
| |
| /** |
| * \brief Clear MD4 context |
| * |
| * \param ctx MD4 context to be cleared |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| void mbedtls_md4_free( mbedtls_md4_context *ctx ); |
| |
| /** |
| * \brief Clone (the state of) an MD4 context |
| * |
| * \param dst The destination context |
| * \param src The context to be cloned |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| void mbedtls_md4_clone( mbedtls_md4_context *dst, |
| const mbedtls_md4_context *src ); |
| |
| /** |
| * \brief MD4 context setup |
| * |
| * \param ctx context to be initialized |
| * |
| * \return 0 if successful |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| */ |
| int mbedtls_md4_starts_ret( mbedtls_md4_context *ctx ); |
| |
| /** |
| * \brief MD4 process buffer |
| * |
| * \param ctx MD4 context |
| * \param input buffer holding the data |
| * \param ilen length of the input data |
| * |
| * \return 0 if successful |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| int mbedtls_md4_update_ret( mbedtls_md4_context *ctx, |
| const unsigned char *input, |
| size_t ilen ); |
| |
| /** |
| * \brief MD4 final digest |
| * |
| * \param ctx MD4 context |
| * \param output MD4 checksum result |
| * |
| * \return 0 if successful |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| int mbedtls_md4_finish_ret( mbedtls_md4_context *ctx, |
| unsigned char output[16] ); |
| |
| /** |
| * \brief MD4 process data block (internal use only) |
| * |
| * \param ctx MD4 context |
| * \param data buffer holding one block of data |
| * |
| * \return 0 if successful |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| int mbedtls_internal_md4_process( mbedtls_md4_context *ctx, |
| const unsigned char data[64] ); |
| |
| #if !defined(MBEDTLS_DEPRECATED_REMOVED) |
| #if defined(MBEDTLS_DEPRECATED_WARNING) |
| #define MBEDTLS_DEPRECATED __attribute__((deprecated)) |
| #else |
| #define MBEDTLS_DEPRECATED |
| #endif |
| /** |
| * \brief MD4 context setup |
| * |
| * \deprecated Superseded by mbedtls_md4_starts_ret() in 2.7.0 |
| * |
| * \param ctx context to be initialized |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| MBEDTLS_DEPRECATED void mbedtls_md4_starts( mbedtls_md4_context *ctx ); |
| |
| /** |
| * \brief MD4 process buffer |
| * |
| * \deprecated Superseded by mbedtls_md4_update_ret() in 2.7.0 |
| * |
| * \param ctx MD4 context |
| * \param input buffer holding the data |
| * \param ilen length of the input data |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| MBEDTLS_DEPRECATED void mbedtls_md4_update( mbedtls_md4_context *ctx, |
| const unsigned char *input, |
| size_t ilen ); |
| |
| /** |
| * \brief MD4 final digest |
| * |
| * \deprecated Superseded by mbedtls_md4_finish_ret() in 2.7.0 |
| * |
| * \param ctx MD4 context |
| * \param output MD4 checksum result |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| MBEDTLS_DEPRECATED void mbedtls_md4_finish( mbedtls_md4_context *ctx, |
| unsigned char output[16] ); |
| |
| /** |
| * \brief MD4 process data block (internal use only) |
| * |
| * \deprecated Superseded by mbedtls_internal_md4_process() in 2.7.0 |
| * |
| * \param ctx MD4 context |
| * \param data buffer holding one block of data |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| MBEDTLS_DEPRECATED void mbedtls_md4_process( mbedtls_md4_context *ctx, |
| const unsigned char data[64] ); |
| |
| #undef MBEDTLS_DEPRECATED |
| #endif /* !MBEDTLS_DEPRECATED_REMOVED */ |
| |
| /** |
| * \brief Output = MD4( input buffer ) |
| * |
| * \param input buffer holding the data |
| * \param ilen length of the input data |
| * \param output MD4 checksum result |
| * |
| * \return 0 if successful |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| int mbedtls_md4_ret( const unsigned char *input, |
| size_t ilen, |
| unsigned char output[16] ); |
| |
| #if !defined(MBEDTLS_DEPRECATED_REMOVED) |
| #if defined(MBEDTLS_DEPRECATED_WARNING) |
| #define MBEDTLS_DEPRECATED __attribute__((deprecated)) |
| #else |
| #define MBEDTLS_DEPRECATED |
| #endif |
| /** |
| * \brief Output = MD4( input buffer ) |
| * |
| * \deprecated Superseded by mbedtls_md4_ret() in 2.7.0 |
| * |
| * \param input buffer holding the data |
| * \param ilen length of the input data |
| * \param output MD4 checksum result |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| MBEDTLS_DEPRECATED void mbedtls_md4( const unsigned char *input, |
| size_t ilen, |
| unsigned char output[16] ); |
| |
| #undef MBEDTLS_DEPRECATED |
| #endif /* !MBEDTLS_DEPRECATED_REMOVED */ |
| |
| /** |
| * \brief Checkup routine |
| * |
| * \return 0 if successful, or 1 if the test failed |
| * |
| * \warning MD4 is considered a weak message digest and its use |
| * constitutes a security risk. We recommend considering |
| * stronger message digests instead. |
| * |
| */ |
| int mbedtls_md4_self_test( int verbose ); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* mbedtls_md4.h */ |