reactos/sdk/include/reactos/libs/mbedtls/sha512.h

   1 /**
   2  * \file sha512.h
   3  *
   4  * \brief SHA-384 and SHA-512 cryptographic hash function
   5  *
   6  *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
   7  *  SPDX-License-Identifier: GPL-2.0
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License along
  20  *  with this program; if not, write to the Free Software Foundation, Inc.,
  21  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  22  *
  23  *  This file is part of mbed TLS (https://tls.mbed.org)
  24  */
  25 #ifndef MBEDTLS_SHA512_H
  26 #define MBEDTLS_SHA512_H
  27
  28 #if !defined(MBEDTLS_CONFIG_FILE)
  29 #include "config.h"
  30 #else
  31 #include MBEDTLS_CONFIG_FILE
  32 #endif
  33
  34 #include <stddef.h>
  35 #include <stdint.h>
  36
  37 #if !defined(MBEDTLS_SHA512_ALT)
  38 // Regular implementation
  39 //
  40
  41 #ifdef __cplusplus
  42 extern "C" {
  43 #endif
  44
  45 /**
  46  * \brief          SHA-512 context structure
  47  */
  48 typedef struct
  49 {
  50     uint64_t total[2];          /*!< number of bytes processed  */
  51     uint64_t state[8];          /*!< intermediate digest state  */
  52     unsigned char buffer[128];  /*!< data block being processed */
  53     int is384;                  /*!< 0 => SHA-512, else SHA-384 */
  54 }
  55 mbedtls_sha512_context;
  56
  57 /**
  58  * \brief          Initialize SHA-512 context
  59  *
  60  * \param ctx      SHA-512 context to be initialized
  61  */
  62 void mbedtls_sha512_init( mbedtls_sha512_context *ctx );
  63
  64 /**
  65  * \brief          Clear SHA-512 context
  66  *
  67  * \param ctx      SHA-512 context to be cleared
  68  */
  69 void mbedtls_sha512_free( mbedtls_sha512_context *ctx );
  70
  71 /**
  72  * \brief          Clone (the state of) a SHA-512 context
  73  *
  74  * \param dst      The destination context
  75  * \param src      The context to be cloned
  76  */
  77 void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
  78                            const mbedtls_sha512_context *src );
  79
  80 /**
  81  * \brief          SHA-512 context setup
  82  *
  83  * \param ctx      context to be initialized
  84  * \param is384    0 = use SHA512, 1 = use SHA384
  85  */
  86 void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 );
  87
  88 /**
  89  * \brief          SHA-512 process buffer
  90  *
  91  * \param ctx      SHA-512 context
  92  * \param input    buffer holding the  data
  93  * \param ilen     length of the input data
  94  */
  95 void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input,
  96                     size_t ilen );
  97
  98 /**
  99  * \brief          SHA-512 final digest
 100  *
 101  * \param ctx      SHA-512 context
 102  * \param output   SHA-384/512 checksum result
 103  */
 104 void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] );
 105
 106 #ifdef __cplusplus
 107 }
 108 #endif
 109
 110 #else  /* MBEDTLS_SHA512_ALT */
 111 #include "sha512_alt.h"
 112 #endif /* MBEDTLS_SHA512_ALT */
 113
 114 #ifdef __cplusplus
 115 extern "C" {
 116 #endif
 117
 118 /**
 119  * \brief          Output = SHA-512( input buffer )
 120  *
 121  * \param input    buffer holding the  data
 122  * \param ilen     length of the input data
 123  * \param output   SHA-384/512 checksum result
 124  * \param is384    0 = use SHA512, 1 = use SHA384
 125  */
 126 void mbedtls_sha512( const unsigned char *input, size_t ilen,
 127              unsigned char output[64], int is384 );
 128
 129 /**
 130  * \brief          Checkup routine
 131  *
 132  * \return         0 if successful, or 1 if the test failed
 133  */
 134 int mbedtls_sha512_self_test( int verbose );
 135
 136 /* Internal use */
 137 void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] );
 138
 139 #ifdef __cplusplus
 140 }
 141 #endif
 142
 143 #endif /* mbedtls_sha512.h */