1 /** 2 * \file md5.h 3 * 4 * \brief MD5 message digest algorithm (hash function) 5 * 6 * \warning MD5 is considered a weak message digest and its use constitutes a 7 * security risk. We recommend considering stronger message 8 * digests instead. 9 */ 10 /* 11 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved 12 * SPDX-License-Identifier: Apache-2.0 13 * 14 * Licensed under the Apache License, Version 2.0 (the "License"); you may 15 * not use this file except in compliance with the License. 16 * You may obtain a copy of the License at 17 * 18 * http://www.apache.org/licenses/LICENSE-2.0 19 * 20 * Unless required by applicable law or agreed to in writing, software 21 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 22 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 23 * See the License for the specific language governing permissions and 24 * limitations under the License. 25 * 26 * This file is part of mbed TLS (https://tls.mbed.org) 27 */ 28 #ifndef MBEDTLS_MD5_ALT_H 29 #define MBEDTLS_MD5_ALT_H 30 31 #if defined(MBEDTLS_MD5_ALT) 32 33 /** 34 * \brief MD5 context structure 35 * 36 * \warning MD5 is considered a weak message digest and its use 37 * constitutes a security risk. We recommend considering 38 * stronger message digests instead. 39 * 40 */ 41 typedef struct mbedtls_md5_context 42 { 43 uint32_t total[2]; /*!< number of bytes processed */ 44 uint32_t state[4]; /*!< intermediate digest state */ 45 unsigned char buffer[64]; /*!< data block being processed */ 46 } 47 mbedtls_md5_context; 48 49 #endif /* MBEDTLS_MD5_ALT */ 50 51 #endif /* mbedtls_md5_alt.h */ 52