1 /** 2 * \file md_internal.h 3 * 4 * \brief Message digest wrappers. 5 * 6 * \warning This in an internal header. Do not include directly. 7 * 8 * \author Adriaan de Jong <dejong@fox-it.com> 9 * 10 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved 11 * SPDX-License-Identifier: Apache-2.0 12 * 13 * Licensed under the Apache License, Version 2.0 (the "License"); you may 14 * not use this file except in compliance with the License. 15 * You may obtain a copy of the License at 16 * 17 * http://www.apache.org/licenses/LICENSE-2.0 18 * 19 * Unless required by applicable law or agreed to in writing, software 20 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 21 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 22 * See the License for the specific language governing permissions and 23 * limitations under the License. 24 * 25 * This file is part of mbed TLS (https://tls.mbed.org) 26 */ 27 #ifndef MBEDTLS_MD_WRAP_H 28 #define MBEDTLS_MD_WRAP_H 29 30 #if !defined(MBEDTLS_CONFIG_FILE) 31 #include "config.h" 32 #else 33 #include MBEDTLS_CONFIG_FILE 34 #endif 35 36 #include "md.h" 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 /** 43 * Message digest information. 44 * Allows message digest functions to be called in a generic way. 45 */ 46 struct mbedtls_md_info_t 47 { 48 /** Digest identifier */ 49 mbedtls_md_type_t type; 50 51 /** Name of the message digest */ 52 const char * name; 53 54 /** Output length of the digest function in bytes */ 55 int size; 56 57 /** Block length of the digest function in bytes */ 58 int block_size; 59 60 /** Digest initialisation function */ 61 void (*starts_func)( void *ctx ); 62 63 /** Digest update function */ 64 void (*update_func)( void *ctx, const unsigned char *input, size_t ilen ); 65 66 /** Digest finalisation function */ 67 void (*finish_func)( void *ctx, unsigned char *output ); 68 69 /** Generic digest function */ 70 void (*digest_func)( const unsigned char *input, size_t ilen, 71 unsigned char *output ); 72 73 /** Allocate a new context */ 74 void * (*ctx_alloc_func)( void ); 75 76 /** Free the given context */ 77 void (*ctx_free_func)( void *ctx ); 78 79 /** Clone state from a context */ 80 void (*clone_func)( void *dst, const void *src ); 81 82 /** Internal use only */ 83 void (*process_func)( void *ctx, const unsigned char *input ); 84 }; 85 86 #if defined(MBEDTLS_MD2_C) 87 extern const mbedtls_md_info_t mbedtls_md2_info; 88 #endif 89 #if defined(MBEDTLS_MD4_C) 90 extern const mbedtls_md_info_t mbedtls_md4_info; 91 #endif 92 #if defined(MBEDTLS_MD5_C) 93 extern const mbedtls_md_info_t mbedtls_md5_info; 94 #endif 95 #if defined(MBEDTLS_RIPEMD160_C) 96 extern const mbedtls_md_info_t mbedtls_ripemd160_info; 97 #endif 98 #if defined(MBEDTLS_SHA1_C) 99 extern const mbedtls_md_info_t mbedtls_sha1_info; 100 #endif 101 #if defined(MBEDTLS_SHA256_C) 102 extern const mbedtls_md_info_t mbedtls_sha224_info; 103 extern const mbedtls_md_info_t mbedtls_sha256_info; 104 #endif 105 #if defined(MBEDTLS_SHA512_C) 106 extern const mbedtls_md_info_t mbedtls_sha384_info; 107 extern const mbedtls_md_info_t mbedtls_sha512_info; 108 #endif 109 110 #ifdef __cplusplus 111 } 112 #endif 113 114 #endif /* MBEDTLS_MD_WRAP_H */ 115
