| 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 | /* |
| 11 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved |
| 12 | * SPDX-License-Identifier: GPL-2.0 |
| 13 | * |
| 14 | * This program is free software; you can redistribute it and/or modify |
| 15 | * it under the terms of the GNU General Public License as published by |
| 16 | * the Free Software Foundation; either version 2 of the License, or |
| 17 | * (at your option) any later version. |
| 18 | * |
| 19 | * This program is distributed in the hope that it will be useful, |
| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 | * GNU General Public License for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU General Public License along |
| 25 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 26 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 27 | * |
| 28 | * This file is part of mbed TLS (https://tls.mbed.org) |
| 29 | */ |
| 30 | #ifndef MBEDTLS_MD_WRAP_H |
| 31 | #define MBEDTLS_MD_WRAP_H |
| 32 | |
| 33 | #if !defined(MBEDTLS_CONFIG_FILE) |
| 34 | #include "config.h" |
| 35 | #else |
| 36 | #include MBEDTLS_CONFIG_FILE |
| 37 | #endif |
| 38 | |
| 39 | #include "md.h" |
| 40 | |
| 41 | #ifdef __cplusplus |
| 42 | extern "C" { |
| 43 | #endif |
| 44 | |
| 45 | /** |
| 46 | * Message digest information. |
| 47 | * Allows message digest functions to be called in a generic way. |
| 48 | */ |
| 49 | struct mbedtls_md_info_t |
| 50 | { |
| 51 | /** Digest identifier */ |
| 52 | mbedtls_md_type_t type; |
| 53 | |
| 54 | /** Name of the message digest */ |
| 55 | const char * name; |
| 56 | |
| 57 | /** Output length of the digest function in bytes */ |
| 58 | int size; |
| 59 | |
| 60 | /** Block length of the digest function in bytes */ |
| 61 | int block_size; |
| 62 | |
| 63 | /** Digest initialisation function */ |
| 64 | int (*starts_func)( void *ctx ); |
| 65 | |
| 66 | /** Digest update function */ |
| 67 | int (*update_func)( void *ctx, const unsigned char *input, size_t ilen ); |
| 68 | |
| 69 | /** Digest finalisation function */ |
| 70 | int (*finish_func)( void *ctx, unsigned char *output ); |
| 71 | |
| 72 | /** Generic digest function */ |
| 73 | int (*digest_func)( const unsigned char *input, size_t ilen, |
| 74 | unsigned char *output ); |
| 75 | |
| 76 | /** Allocate a new context */ |
| 77 | void * (*ctx_alloc_func)( void ); |
| 78 | |
| 79 | /** Free the given context */ |
| 80 | void (*ctx_free_func)( void *ctx ); |
| 81 | |
| 82 | /** Clone state from a context */ |
| 83 | void (*clone_func)( void *dst, const void *src ); |
| 84 | |
| 85 | /** Internal use only */ |
| 86 | int (*process_func)( void *ctx, const unsigned char *input ); |
| 87 | }; |
| 88 | |
| 89 | #if defined(MBEDTLS_MD2_C) |
| 90 | extern const mbedtls_md_info_t mbedtls_md2_info; |
| 91 | #endif |
| 92 | #if defined(MBEDTLS_MD4_C) |
| 93 | extern const mbedtls_md_info_t mbedtls_md4_info; |
| 94 | #endif |
| 95 | #if defined(MBEDTLS_MD5_C) |
| 96 | extern const mbedtls_md_info_t mbedtls_md5_info; |
| 97 | #endif |
| 98 | #if defined(MBEDTLS_RIPEMD160_C) |
| 99 | extern const mbedtls_md_info_t mbedtls_ripemd160_info; |
| 100 | #endif |
| 101 | #if defined(MBEDTLS_SHA1_C) |
| 102 | extern const mbedtls_md_info_t mbedtls_sha1_info; |
| 103 | #endif |
| 104 | #if defined(MBEDTLS_SHA256_C) |
| 105 | extern const mbedtls_md_info_t mbedtls_sha224_info; |
| 106 | extern const mbedtls_md_info_t mbedtls_sha256_info; |
| 107 | #endif |
| 108 | #if defined(MBEDTLS_SHA512_C) |
| 109 | extern const mbedtls_md_info_t mbedtls_sha384_info; |
| 110 | extern const mbedtls_md_info_t mbedtls_sha512_info; |
| 111 | #endif |
| 112 | |
| 113 | #ifdef __cplusplus |
| 114 | } |
| 115 | #endif |
| 116 | |
| 117 | #endif /* MBEDTLS_MD_WRAP_H */ |