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 #include "includes.h" 43 44 #if !defined(HAVE_SHA256UPDATE) || !defined(HAVE_SHA384UPDATE) || \ 45 !defined(HAVE_SHA512UPDATE) 46 47 /*** SHA-256/384/512 Various Length Definitions ***********************/ 48 #define SHA224_BLOCK_LENGTH 64 49 #define SHA224_DIGEST_LENGTH 28 50 #define SHA224_DIGEST_STRING_LENGTH (SHA224_DIGEST_LENGTH * 2 + 1) 51 #define SHA256_BLOCK_LENGTH 64 52 #define SHA256_DIGEST_LENGTH 32 53 #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) 54 #define SHA384_BLOCK_LENGTH 128 55 #define SHA384_DIGEST_LENGTH 48 56 #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) 57 #define SHA512_BLOCK_LENGTH 128 58 #define SHA512_DIGEST_LENGTH 64 59 #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) 60 #define SHA512_256_BLOCK_LENGTH 128 61 #define SHA512_256_DIGEST_LENGTH 32 62 #define SHA512_256_DIGEST_STRING_LENGTH (SHA512_256_DIGEST_LENGTH * 2 + 1) 63 64 65 /*** SHA-224/256/384/512 Context Structure *******************************/ 66 typedef struct _SHA2_CTX { 67 union { 68 u_int32_t st32[8]; 69 u_int64_t st64[8]; 70 } state; 71 u_int64_t bitcount[2]; 72 u_int8_t buffer[SHA512_BLOCK_LENGTH]; 73 } SHA2_CTX; 74 75 #if 0 76 __BEGIN_DECLS 77 void SHA224Init(SHA2_CTX *); 78 void SHA224Transform(u_int32_t state[8], const u_int8_t [SHA224_BLOCK_LENGTH]); 79 void SHA224Update(SHA2_CTX *, const u_int8_t *, size_t) 80 __attribute__((__bounded__(__string__,2,3))); 81 void SHA224Pad(SHA2_CTX *); 82 void SHA224Final(u_int8_t [SHA224_DIGEST_LENGTH], SHA2_CTX *) 83 __attribute__((__bounded__(__minbytes__,1,SHA224_DIGEST_LENGTH))); 84 char *SHA224End(SHA2_CTX *, char *) 85 __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH))); 86 char *SHA224File(const char *, char *) 87 __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH))); 88 char *SHA224FileChunk(const char *, char *, off_t, off_t) 89 __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH))); 90 char *SHA224Data(const u_int8_t *, size_t, char *) 91 __attribute__((__bounded__(__string__,1,2))) 92 __attribute__((__bounded__(__minbytes__,3,SHA224_DIGEST_STRING_LENGTH))); 93 #endif /* 0 */ 94 95 #ifndef HAVE_SHA256UPDATE 96 void SHA256Init(SHA2_CTX *); 97 void SHA256Transform(u_int32_t state[8], const u_int8_t [SHA256_BLOCK_LENGTH]); 98 void SHA256Update(SHA2_CTX *, const u_int8_t *, size_t) 99 __attribute__((__bounded__(__string__,2,3))); 100 void SHA256Pad(SHA2_CTX *); 101 void SHA256Final(u_int8_t [SHA256_DIGEST_LENGTH], SHA2_CTX *) 102 __attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH))); 103 char *SHA256End(SHA2_CTX *, char *) 104 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); 105 char *SHA256File(const char *, char *) 106 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); 107 char *SHA256FileChunk(const char *, char *, off_t, off_t) 108 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); 109 char *SHA256Data(const u_int8_t *, size_t, char *) 110 __attribute__((__bounded__(__string__,1,2))) 111 __attribute__((__bounded__(__minbytes__,3,SHA256_DIGEST_STRING_LENGTH))); 112 #endif /* HAVE_SHA256UPDATE */ 113 114 #ifndef HAVE_SHA384UPDATE 115 void SHA384Init(SHA2_CTX *); 116 void SHA384Transform(u_int64_t state[8], const u_int8_t [SHA384_BLOCK_LENGTH]); 117 void SHA384Update(SHA2_CTX *, const u_int8_t *, size_t) 118 __attribute__((__bounded__(__string__,2,3))); 119 void SHA384Pad(SHA2_CTX *); 120 void SHA384Final(u_int8_t [SHA384_DIGEST_LENGTH], SHA2_CTX *) 121 __attribute__((__bounded__(__minbytes__,1,SHA384_DIGEST_LENGTH))); 122 char *SHA384End(SHA2_CTX *, char *) 123 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); 124 char *SHA384File(const char *, char *) 125 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); 126 char *SHA384FileChunk(const char *, char *, off_t, off_t) 127 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); 128 char *SHA384Data(const u_int8_t *, size_t, char *) 129 __attribute__((__bounded__(__string__,1,2))) 130 __attribute__((__bounded__(__minbytes__,3,SHA384_DIGEST_STRING_LENGTH))); 131 #endif /* HAVE_SHA384UPDATE */ 132 133 #ifndef HAVE_SHA512UPDATE 134 void SHA512Init(SHA2_CTX *); 135 void SHA512Transform(u_int64_t state[8], const u_int8_t [SHA512_BLOCK_LENGTH]); 136 void SHA512Update(SHA2_CTX *, const u_int8_t *, size_t) 137 __attribute__((__bounded__(__string__,2,3))); 138 void SHA512Pad(SHA2_CTX *); 139 void SHA512Final(u_int8_t [SHA512_DIGEST_LENGTH], SHA2_CTX *) 140 __attribute__((__bounded__(__minbytes__,1,SHA512_DIGEST_LENGTH))); 141 char *SHA512End(SHA2_CTX *, char *) 142 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); 143 char *SHA512File(const char *, char *) 144 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); 145 char *SHA512FileChunk(const char *, char *, off_t, off_t) 146 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); 147 char *SHA512Data(const u_int8_t *, size_t, char *) 148 __attribute__((__bounded__(__string__,1,2))) 149 __attribute__((__bounded__(__minbytes__,3,SHA512_DIGEST_STRING_LENGTH))); 150 #endif /* HAVE_SHA512UPDATE */ 151 152 #if 0 153 void SHA512_256Init(SHA2_CTX *); 154 void SHA512_256Transform(u_int64_t state[8], const u_int8_t [SHA512_256_BLOCK_LENGTH]); 155 void SHA512_256Update(SHA2_CTX *, const u_int8_t *, size_t) 156 __attribute__((__bounded__(__string__,2,3))); 157 void SHA512_256Pad(SHA2_CTX *); 158 void SHA512_256Final(u_int8_t [SHA512_256_DIGEST_LENGTH], SHA2_CTX *) 159 __attribute__((__bounded__(__minbytes__,1,SHA512_256_DIGEST_LENGTH))); 160 char *SHA512_256End(SHA2_CTX *, char *) 161 __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH))); 162 char *SHA512_256File(const char *, char *) 163 __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH))); 164 char *SHA512_256FileChunk(const char *, char *, off_t, off_t) 165 __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH))); 166 char *SHA512_256Data(const u_int8_t *, size_t, char *) 167 __attribute__((__bounded__(__string__,1,2))) 168 __attribute__((__bounded__(__minbytes__,3,SHA512_256_DIGEST_STRING_LENGTH))); 169 __END_DECLS 170 #endif /* 0 */ 171 172 #endif /* HAVE_SHA{256,384,512}UPDATE */ 173 174 #endif /* _SSHSHA2_H */ 175