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)
  43
  44 /*** SHA-256/384/512 Various Length Definitions ***********************/
  45 #define SHA224_BLOCK_LENGTH             64
  46 #define SHA224_DIGEST_LENGTH            28
  47 #define SHA224_DIGEST_STRING_LENGTH     (SHA224_DIGEST_LENGTH * 2 + 1)
  48 #define SHA256_BLOCK_LENGTH             64
  49 #define SHA256_DIGEST_LENGTH            32
  50 #define SHA256_DIGEST_STRING_LENGTH     (SHA256_DIGEST_LENGTH * 2 + 1)
  51 #define SHA384_BLOCK_LENGTH             128
  52 #define SHA384_DIGEST_LENGTH            48
  53 #define SHA384_DIGEST_STRING_LENGTH     (SHA384_DIGEST_LENGTH * 2 + 1)
  54 #define SHA512_BLOCK_LENGTH             128
  55 #define SHA512_DIGEST_LENGTH            64
  56 #define SHA512_DIGEST_STRING_LENGTH     (SHA512_DIGEST_LENGTH * 2 + 1)
  57 #define SHA512_256_BLOCK_LENGTH         128
  58 #define SHA512_256_DIGEST_LENGTH        32
  59 #define SHA512_256_DIGEST_STRING_LENGTH (SHA512_256_DIGEST_LENGTH * 2 + 1)
  60
  61
  62 /*** SHA-224/256/384/512 Context Structure *******************************/
  63 typedef struct _SHA2_CTX {
  64         union {
  65                 u_int32_t       st32[8];
  66                 u_int64_t       st64[8];
  67         } state;
  68         u_int64_t       bitcount[2];
  69         u_int8_t        buffer[SHA512_BLOCK_LENGTH];
  70 } SHA2_CTX;
  71
  72 #if 0
  73 __BEGIN_DECLS
  74 void SHA224Init(SHA2_CTX *);
  75 void SHA224Transform(u_int32_t state[8], const u_int8_t [SHA224_BLOCK_LENGTH]);
  76 void SHA224Update(SHA2_CTX *, const u_int8_t *, size_t)
  77         __attribute__((__bounded__(__string__,2,3)));
  78 void SHA224Pad(SHA2_CTX *);
  79 void SHA224Final(u_int8_t [SHA224_DIGEST_LENGTH], SHA2_CTX *)
  80         __attribute__((__bounded__(__minbytes__,1,SHA224_DIGEST_LENGTH)));
  81 char *SHA224End(SHA2_CTX *, char *)
  82         __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH)));
  83 char *SHA224File(const char *, char *)
  84         __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH)));
  85 char *SHA224FileChunk(const char *, char *, off_t, off_t)
  86         __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH)));
  87 char *SHA224Data(const u_int8_t *, size_t, char *)
  88         __attribute__((__bounded__(__string__,1,2)))
  89         __attribute__((__bounded__(__minbytes__,3,SHA224_DIGEST_STRING_LENGTH)));
  90 #endif /* 0 */
  91
  92 #ifndef HAVE_SHA256UPDATE
  93 void SHA256Init(SHA2_CTX *);
  94 void SHA256Transform(u_int32_t state[8], const u_int8_t [SHA256_BLOCK_LENGTH]);
  95 void SHA256Update(SHA2_CTX *, const u_int8_t *, size_t)
  96         __attribute__((__bounded__(__string__,2,3)));
  97 void SHA256Pad(SHA2_CTX *);
  98 void SHA256Final(u_int8_t [SHA256_DIGEST_LENGTH], SHA2_CTX *)
  99         __attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH)));
 100 char *SHA256End(SHA2_CTX *, char *)
 101         __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
 102 char *SHA256File(const char *, char *)
 103         __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
 104 char *SHA256FileChunk(const char *, char *, off_t, off_t)
 105         __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
 106 char *SHA256Data(const u_int8_t *, size_t, char *)
 107         __attribute__((__bounded__(__string__,1,2)))
 108         __attribute__((__bounded__(__minbytes__,3,SHA256_DIGEST_STRING_LENGTH)));
 109 #endif /* HAVE_SHA256UPDATE */
 110
 111 #if 0
 112 void SHA384Init(SHA2_CTX *);
 113 void SHA384Transform(u_int64_t state[8], const u_int8_t [SHA384_BLOCK_LENGTH]);
 114 void SHA384Update(SHA2_CTX *, const u_int8_t *, size_t)
 115         __attribute__((__bounded__(__string__,2,3)));
 116 void SHA384Pad(SHA2_CTX *);
 117 void SHA384Final(u_int8_t [SHA384_DIGEST_LENGTH], SHA2_CTX *)
 118         __attribute__((__bounded__(__minbytes__,1,SHA384_DIGEST_LENGTH)));
 119 char *SHA384End(SHA2_CTX *, char *)
 120         __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
 121 char *SHA384File(const char *, char *)
 122         __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
 123 char *SHA384FileChunk(const char *, char *, off_t, off_t)
 124         __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
 125 char *SHA384Data(const u_int8_t *, size_t, char *)
 126         __attribute__((__bounded__(__string__,1,2)))
 127         __attribute__((__bounded__(__minbytes__,3,SHA384_DIGEST_STRING_LENGTH)));
 128
 129 void SHA512Init(SHA2_CTX *);
 130 void SHA512Transform(u_int64_t state[8], const u_int8_t [SHA512_BLOCK_LENGTH]);
 131 void SHA512Update(SHA2_CTX *, const u_int8_t *, size_t)
 132         __attribute__((__bounded__(__string__,2,3)));
 133 void SHA512Pad(SHA2_CTX *);
 134 void SHA512Final(u_int8_t [SHA512_DIGEST_LENGTH], SHA2_CTX *)
 135         __attribute__((__bounded__(__minbytes__,1,SHA512_DIGEST_LENGTH)));
 136 char *SHA512End(SHA2_CTX *, char *)
 137         __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
 138 char *SHA512File(const char *, char *)
 139         __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
 140 char *SHA512FileChunk(const char *, char *, off_t, off_t)
 141         __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
 142 char *SHA512Data(const u_int8_t *, size_t, char *)
 143         __attribute__((__bounded__(__string__,1,2)))
 144         __attribute__((__bounded__(__minbytes__,3,SHA512_DIGEST_STRING_LENGTH)));
 145
 146 void SHA512_256Init(SHA2_CTX *);
 147 void SHA512_256Transform(u_int64_t state[8], const u_int8_t [SHA512_256_BLOCK_LENGTH]);
 148 void SHA512_256Update(SHA2_CTX *, const u_int8_t *, size_t)
 149         __attribute__((__bounded__(__string__,2,3)));
 150 void SHA512_256Pad(SHA2_CTX *);
 151 void SHA512_256Final(u_int8_t [SHA512_256_DIGEST_LENGTH], SHA2_CTX *)
 152         __attribute__((__bounded__(__minbytes__,1,SHA512_256_DIGEST_LENGTH)));
 153 char *SHA512_256End(SHA2_CTX *, char *)
 154         __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH)));
 155 char *SHA512_256File(const char *, char *)
 156         __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH)));
 157 char *SHA512_256FileChunk(const char *, char *, off_t, off_t)
 158         __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH)));
 159 char *SHA512_256Data(const u_int8_t *, size_t, char *)
 160         __attribute__((__bounded__(__string__,1,2)))
 161         __attribute__((__bounded__(__minbytes__,3,SHA512_256_DIGEST_STRING_LENGTH)));
 162 __END_DECLS
 163 #endif /* 0 */
 164
 165 #endif /* HAVE_SHA256UPDATE */
 166
 167 #endif /* _SSHSHA2_H */