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

   1 /**
   2  * \file mbedtls_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: Apache-2.0
   8  *
   9  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
  10  *  not use this file except in compliance with the License.
  11  *  You may obtain a copy of the License at
  12  *
  13  *  http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  *  Unless required by applicable law or agreed to in writing, software
  16  *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  17  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  *  See the License for the specific language governing permissions and
  19  *  limitations under the License.
  20  *
  21  *  This file is part of mbed TLS (https://tls.mbed.org)
  22  */
  23 #ifndef MBEDTLS_SHA512_H
  24 #define MBEDTLS_SHA512_H
  25
  26 #if !defined(MBEDTLS_CONFIG_FILE)
  27 #include "config.h"
  28 #else
  29 #include MBEDTLS_CONFIG_FILE
  30 #endif
  31
  32 #include <stddef.h>
  33 #include <stdint.h>
  34
  35 #if !defined(MBEDTLS_SHA512_ALT)
  36 // Regular implementation
  37 //
  38
  39 #ifdef __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 /**
  44  * \brief          SHA-512 context structure
  45  */
  46 typedef struct
  47 {
  48     uint64_t total[2];          /*!< number of bytes processed  */
  49     uint64_t state[8];          /*!< intermediate digest state  */
  50     unsigned char buffer[128];  /*!< data block being processed */
  51     int is384;                  /*!< 0 => SHA-512, else SHA-384 */
  52 }
  53 mbedtls_sha512_context;
  54
  55 /**
  56  * \brief          Initialize SHA-512 context
  57  *
  58  * \param ctx      SHA-512 context to be initialized
  59  */
  60 void mbedtls_sha512_init( mbedtls_sha512_context *ctx );
  61
  62 /**
  63  * \brief          Clear SHA-512 context
  64  *
  65  * \param ctx      SHA-512 context to be cleared
  66  */
  67 void mbedtls_sha512_free( mbedtls_sha512_context *ctx );
  68
  69 /**
  70  * \brief          Clone (the state of) a SHA-512 context
  71  *
  72  * \param dst      The destination context
  73  * \param src      The context to be cloned
  74  */
  75 void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
  76                            const mbedtls_sha512_context *src );
  77
  78 /**
  79  * \brief          SHA-512 context setup
  80  *
  81  * \param ctx      context to be initialized
  82  * \param is384    0 = use SHA512, 1 = use SHA384
  83  */
  84 void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 );
  85
  86 /**
  87  * \brief          SHA-512 process buffer
  88  *
  89  * \param ctx      SHA-512 context
  90  * \param input    buffer holding the  data
  91  * \param ilen     length of the input data
  92  */
  93 void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input,
  94                     size_t ilen );
  95
  96 /**
  97  * \brief          SHA-512 final digest
  98  *
  99  * \param ctx      SHA-512 context
 100  * \param output   SHA-384/512 checksum result
 101  */
 102 void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] );
 103
 104 #ifdef __cplusplus
 105 }
 106 #endif
 107
 108 #else  /* MBEDTLS_SHA512_ALT */
 109 #include "sha512_alt.h"
 110 #endif /* MBEDTLS_SHA512_ALT */
 111
 112 #ifdef __cplusplus
 113 extern "C" {
 114 #endif
 115
 116 /**
 117  * \brief          Output = SHA-512( input buffer )
 118  *
 119  * \param input    buffer holding the  data
 120  * \param ilen     length of the input data
 121  * \param output   SHA-384/512 checksum result
 122  * \param is384    0 = use SHA512, 1 = use SHA384
 123  */
 124 void mbedtls_sha512( const unsigned char *input, size_t ilen,
 125              unsigned char output[64], int is384 );
 126
 127 /**
 128  * \brief          Checkup routine
 129  *
 130  * \return         0 if successful, or 1 if the test failed
 131  */
 132 int mbedtls_sha512_self_test( int verbose );
 133
 134 /* Internal use */
 135 void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] );
 136
 137 #ifdef __cplusplus
 138 }
 139 #endif
 140
 141 #endif /* mbedtls_sha512.h */