git.zerfleddert.de Git - proxmark3-svn/blob - common/mbedtls/md_internal.h

   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 */