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 #include <sys/cdefs.h> 44 45 #if !defined(HAVE_SHA256UPDATE) || !defined(HAVE_SHA384UPDATE) || \ 46 !defined(HAVE_SHA512UPDATE) 47 48 /*** SHA-256/384/512 Various Length Definitions ***********************/ 49 #define SHA224_BLOCK_LENGTH 64 50 #define SHA224_DIGEST_LENGTH 28 51 #define SHA224_DIGEST_STRING_LENGTH (SHA224_DIGEST_LENGTH * 2 + 1) 52 #define SHA256_BLOCK_LENGTH 64 53 #define SHA256_DIGEST_LENGTH 32 54 #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) 55 #define SHA384_BLOCK_LENGTH 128 56 #define SHA384_DIGEST_LENGTH 48 57 #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) 58 #define SHA512_BLOCK_LENGTH 128 59 #define SHA512_DIGEST_LENGTH 64 60 #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) 61 #define SHA512_256_BLOCK_LENGTH 128 62 #define SHA512_256_DIGEST_LENGTH 32 63 #define SHA512_256_DIGEST_STRING_LENGTH (SHA512_256_DIGEST_LENGTH * 2 + 1) 64 65 66 /*** SHA-224/256/384/512 Context Structure *******************************/ 67 typedef struct _SHA2_CTX { 68 union { 69 u_int32_t st32[8]; 70 u_int64_t st64[8]; 71 } state; 72 u_int64_t bitcount[2]; 73 u_int8_t buffer[SHA512_BLOCK_LENGTH]; 74 } SHA2_CTX; 75 76 #if 0 77 __BEGIN_DECLS 78 void SHA224Init(SHA2_CTX *); 79 void SHA224Transform(u_int32_t state[8], const u_int8_t [SHA224_BLOCK_LENGTH]); 80 void SHA224Update(SHA2_CTX *, const u_int8_t *, size_t) 81 __attribute__((__bounded__(__string__,2,3))); 82 void SHA224Pad(SHA2_CTX *); 83 void SHA224Final(u_int8_t [SHA224_DIGEST_LENGTH], SHA2_CTX *) 84 __attribute__((__bounded__(__minbytes__,1,SHA224_DIGEST_LENGTH))); 85 char *SHA224End(SHA2_CTX *, char *) 86 __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH))); 87 char *SHA224File(const char *, char *) 88 __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH))); 89 char *SHA224FileChunk(const char *, char *, off_t, off_t) 90 __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH))); 91 char *SHA224Data(const u_int8_t *, size_t, char *) 92 __attribute__((__bounded__(__string__,1,2))) 93 __attribute__((__bounded__(__minbytes__,3,SHA224_DIGEST_STRING_LENGTH))); 94 #endif /* 0 */ 95 96 #ifndef HAVE_SHA256UPDATE 97 void SHA256Init(SHA2_CTX *); 98 void SHA256Transform(u_int32_t state[8], const u_int8_t [SHA256_BLOCK_LENGTH]); 99 void SHA256Update(SHA2_CTX *, const u_int8_t *, size_t) 100 __attribute__((__bounded__(__string__,2,3))); 101 void SHA256Pad(SHA2_CTX *); 102 void SHA256Final(u_int8_t [SHA256_DIGEST_LENGTH], SHA2_CTX *) 103 __attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH))); 104 char *SHA256End(SHA2_CTX *, char *) 105 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); 106 char *SHA256File(const char *, char *) 107 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); 108 char *SHA256FileChunk(const char *, char *, off_t, off_t) 109 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); 110 char *SHA256Data(const u_int8_t *, size_t, char *) 111 __attribute__((__bounded__(__string__,1,2))) 112 __attribute__((__bounded__(__minbytes__,3,SHA256_DIGEST_STRING_LENGTH))); 113 #endif /* HAVE_SHA256UPDATE */ 114 115 #ifndef HAVE_SHA384UPDATE 116 void SHA384Init(SHA2_CTX *); 117 void SHA384Transform(u_int64_t state[8], const u_int8_t [SHA384_BLOCK_LENGTH]); 118 void SHA384Update(SHA2_CTX *, const u_int8_t *, size_t) 119 __attribute__((__bounded__(__string__,2,3))); 120 void SHA384Pad(SHA2_CTX *); 121 void SHA384Final(u_int8_t [SHA384_DIGEST_LENGTH], SHA2_CTX *) 122 __attribute__((__bounded__(__minbytes__,1,SHA384_DIGEST_LENGTH))); 123 char *SHA384End(SHA2_CTX *, char *) 124 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); 125 char *SHA384File(const char *, char *) 126 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); 127 char *SHA384FileChunk(const char *, char *, off_t, off_t) 128 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); 129 char *SHA384Data(const u_int8_t *, size_t, char *) 130 __attribute__((__bounded__(__string__,1,2))) 131 __attribute__((__bounded__(__minbytes__,3,SHA384_DIGEST_STRING_LENGTH))); 132 #endif /* HAVE_SHA384UPDATE */ 133 134 #ifndef HAVE_SHA512UPDATE 135 void SHA512Init(SHA2_CTX *); 136 void SHA512Transform(u_int64_t state[8], const u_int8_t [SHA512_BLOCK_LENGTH]); 137 void SHA512Update(SHA2_CTX *, const u_int8_t *, size_t) 138 __attribute__((__bounded__(__string__,2,3))); 139 void SHA512Pad(SHA2_CTX *); 140 void SHA512Final(u_int8_t [SHA512_DIGEST_LENGTH], SHA2_CTX *) 141 __attribute__((__bounded__(__minbytes__,1,SHA512_DIGEST_LENGTH))); 142 char *SHA512End(SHA2_CTX *, char *) 143 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); 144 char *SHA512File(const char *, char *) 145 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); 146 char *SHA512FileChunk(const char *, char *, off_t, off_t) 147 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); 148 char *SHA512Data(const u_int8_t *, size_t, char *) 149 __attribute__((__bounded__(__string__,1,2))) 150 __attribute__((__bounded__(__minbytes__,3,SHA512_DIGEST_STRING_LENGTH))); 151 #endif /* HAVE_SHA512UPDATE */ 152 153 #if 0 154 void SHA512_256Init(SHA2_CTX *); 155 void SHA512_256Transform(u_int64_t state[8], const u_int8_t [SHA512_256_BLOCK_LENGTH]); 156 void SHA512_256Update(SHA2_CTX *, const u_int8_t *, size_t) 157 __attribute__((__bounded__(__string__,2,3))); 158 void SHA512_256Pad(SHA2_CTX *); 159 void SHA512_256Final(u_int8_t [SHA512_256_DIGEST_LENGTH], SHA2_CTX *) 160 __attribute__((__bounded__(__minbytes__,1,SHA512_256_DIGEST_LENGTH))); 161 char *SHA512_256End(SHA2_CTX *, char *) 162 __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH))); 163 char *SHA512_256File(const char *, char *) 164 __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH))); 165 char *SHA512_256FileChunk(const char *, char *, off_t, off_t) 166 __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH))); 167 char *SHA512_256Data(const u_int8_t *, size_t, char *) 168 __attribute__((__bounded__(__string__,1,2))) 169 __attribute__((__bounded__(__minbytes__,3,SHA512_256_DIGEST_STRING_LENGTH))); 170 __END_DECLS 171 #endif /* 0 */ 172 173 #endif /* HAVE_SHA{256,384,512}UPDATE */ 174 175 #endif /* _SSHSHA2_H */ 176