compat/sha2.h

   1 /*      $OpenBSD: sha2.h,v 1.10 2016/09/03 17:00:29 tedu Exp $  */
   2
   3 /*
   4  * FILE:        sha2.h
   5  * AUTHOR:      Aaron D. Gifford <me@aarongifford.com>
   6  *
   7  * Copyright (c) 2000-2001, Aaron D. Gifford
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the copyright holder nor the names of contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
  35  */
  36
  37 /* OPENBSD ORIGINAL: include/sha2.h */
  38
  39 #ifndef _SSHSHA2_H
  40 #define _SSHSHA2_H
  41
  42 #if !defined(HAVE_SHA256UPDATE) || !defined(HAVE_SHA384UPDATE) || \
  43     !defined(HAVE_SHA512UPDATE)
  44
  45 /*** SHA-256/384/512 Various Length Definitions ***********************/
  46 #define SHA224_BLOCK_LENGTH             64
  47 #define SHA224_DIGEST_LENGTH            28
  48 #define SHA224_DIGEST_STRING_LENGTH     (SHA224_DIGEST_LENGTH * 2 + 1)
  49 #define SHA256_BLOCK_LENGTH             64
  50 #define SHA256_DIGEST_LENGTH            32
  51 #define SHA256_DIGEST_STRING_LENGTH     (SHA256_DIGEST_LENGTH * 2 + 1)
  52 #define SHA384_BLOCK_LENGTH             128
  53 #define SHA384_DIGEST_LENGTH            48
  54 #define SHA384_DIGEST_STRING_LENGTH     (SHA384_DIGEST_LENGTH * 2 + 1)
  55 #define SHA512_BLOCK_LENGTH             128
  56 #define SHA512_DIGEST_LENGTH            64
  57 #define SHA512_DIGEST_STRING_LENGTH     (SHA512_DIGEST_LENGTH * 2 + 1)
  58 #define SHA512_256_BLOCK_LENGTH         128
  59 #define SHA512_256_DIGEST_LENGTH        32
  60 #define SHA512_256_DIGEST_STRING_LENGTH (SHA512_256_DIGEST_LENGTH * 2 + 1)
  61
  62
  63 /*** SHA-224/256/384/512 Context Structure *******************************/
  64 typedef struct _SHA2_CTX {
  65         union {
  66                 u_int32_t       st32[8];
  67                 u_int64_t       st64[8];
  68         } state;
  69         u_int64_t       bitcount[2];
  70         u_int8_t        buffer[SHA512_BLOCK_LENGTH];
  71 } SHA2_CTX;
  72
  73 #if 0
  74 __BEGIN_DECLS
  75 void SHA224Init(SHA2_CTX *);
  76 void SHA224Transform(u_int32_t state[8], const u_int8_t [SHA224_BLOCK_LENGTH]);
  77 void SHA224Update(SHA2_CTX *, const u_int8_t *, size_t)
  78         __attribute__((__bounded__(__string__,2,3)));
  79 void SHA224Pad(SHA2_CTX *);
  80 void SHA224Final(u_int8_t [SHA224_DIGEST_LENGTH], SHA2_CTX *)
  81         __attribute__((__bounded__(__minbytes__,1,SHA224_DIGEST_LENGTH)));
  82 char *SHA224End(SHA2_CTX *, char *)
  83         __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH)));
  84 char *SHA224File(const char *, char *)
  85         __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH)));
  86 char *SHA224FileChunk(const char *, char *, off_t, off_t)
  87         __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH)));
  88 char *SHA224Data(const u_int8_t *, size_t, char *)
  89         __attribute__((__bounded__(__string__,1,2)))
  90         __attribute__((__bounded__(__minbytes__,3,SHA224_DIGEST_STRING_LENGTH)));
  91 #endif /* 0 */
  92
  93 #ifndef HAVE_SHA256UPDATE
  94 void SHA256Init(SHA2_CTX *);
  95 void SHA256Transform(u_int32_t state[8], const u_int8_t [SHA256_BLOCK_LENGTH]);
  96 void SHA256Update(SHA2_CTX *, const u_int8_t *, size_t)
  97         __attribute__((__bounded__(__string__,2,3)));
  98 void SHA256Pad(SHA2_CTX *);
  99 void SHA256Final(u_int8_t [SHA256_DIGEST_LENGTH], SHA2_CTX *)
 100         __attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH)));
 101 char *SHA256End(SHA2_CTX *, char *)
 102         __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
 103 char *SHA256File(const char *, char *)
 104         __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
 105 char *SHA256FileChunk(const char *, char *, off_t, off_t)
 106         __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
 107 char *SHA256Data(const u_int8_t *, size_t, char *)
 108         __attribute__((__bounded__(__string__,1,2)))
 109         __attribute__((__bounded__(__minbytes__,3,SHA256_DIGEST_STRING_LENGTH)));
 110 #endif /* HAVE_SHA256UPDATE */
 111
 112 #ifndef HAVE_SHA384UPDATE
 113 void SHA384Init(SHA2_CTX *);
 114 void SHA384Transform(u_int64_t state[8], const u_int8_t [SHA384_BLOCK_LENGTH]);
 115 void SHA384Update(SHA2_CTX *, const u_int8_t *, size_t)
 116         __attribute__((__bounded__(__string__,2,3)));
 117 void SHA384Pad(SHA2_CTX *);
 118 void SHA384Final(u_int8_t [SHA384_DIGEST_LENGTH], SHA2_CTX *)
 119         __attribute__((__bounded__(__minbytes__,1,SHA384_DIGEST_LENGTH)));
 120 char *SHA384End(SHA2_CTX *, char *)
 121         __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
 122 char *SHA384File(const char *, char *)
 123         __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
 124 char *SHA384FileChunk(const char *, char *, off_t, off_t)
 125         __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
 126 char *SHA384Data(const u_int8_t *, size_t, char *)
 127         __attribute__((__bounded__(__string__,1,2)))
 128         __attribute__((__bounded__(__minbytes__,3,SHA384_DIGEST_STRING_LENGTH)));
 129 #endif /* HAVE_SHA384UPDATE */
 130
 131 #ifndef HAVE_SHA512UPDATE
 132 void SHA512Init(SHA2_CTX *);
 133 void SHA512Transform(u_int64_t state[8], const u_int8_t [SHA512_BLOCK_LENGTH]);
 134 void SHA512Update(SHA2_CTX *, const u_int8_t *, size_t)
 135         __attribute__((__bounded__(__string__,2,3)));
 136 void SHA512Pad(SHA2_CTX *);
 137 void SHA512Final(u_int8_t [SHA512_DIGEST_LENGTH], SHA2_CTX *)
 138         __attribute__((__bounded__(__minbytes__,1,SHA512_DIGEST_LENGTH)));
 139 char *SHA512End(SHA2_CTX *, char *)
 140         __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
 141 char *SHA512File(const char *, char *)
 142         __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
 143 char *SHA512FileChunk(const char *, char *, off_t, off_t)
 144         __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
 145 char *SHA512Data(const u_int8_t *, size_t, char *)
 146         __attribute__((__bounded__(__string__,1,2)))
 147         __attribute__((__bounded__(__minbytes__,3,SHA512_DIGEST_STRING_LENGTH)));
 148 #endif /* HAVE_SHA512UPDATE */
 149
 150 #if 0
 151 void SHA512_256Init(SHA2_CTX *);
 152 void SHA512_256Transform(u_int64_t state[8], const u_int8_t [SHA512_256_BLOCK_LENGTH]);
 153 void SHA512_256Update(SHA2_CTX *, const u_int8_t *, size_t)
 154         __attribute__((__bounded__(__string__,2,3)));
 155 void SHA512_256Pad(SHA2_CTX *);
 156 void SHA512_256Final(u_int8_t [SHA512_256_DIGEST_LENGTH], SHA2_CTX *)
 157         __attribute__((__bounded__(__minbytes__,1,SHA512_256_DIGEST_LENGTH)));
 158 char *SHA512_256End(SHA2_CTX *, char *)
 159         __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH)));
 160 char *SHA512_256File(const char *, char *)
 161         __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH)));
 162 char *SHA512_256FileChunk(const char *, char *, off_t, off_t)
 163         __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH)));
 164 char *SHA512_256Data(const u_int8_t *, size_t, char *)
 165         __attribute__((__bounded__(__string__,1,2)))
 166         __attribute__((__bounded__(__minbytes__,3,SHA512_256_DIGEST_STRING_LENGTH)));
 167 __END_DECLS
 168 #endif /* 0 */
 169
 170 #endif /* HAVE_SHA{256,384,512}UPDATE */
 171
 172 #endif /* _SSHSHA2_H */