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 #ifndef _SHA2_H 38 #define _SHA2_H 39 40 41 /*** SHA-256/384/512 Various Length Definitions ***********************/ 42 #define SHA224_BLOCK_LENGTH 64 43 #define SHA224_DIGEST_LENGTH 28 44 #define SHA224_DIGEST_STRING_LENGTH (SHA224_DIGEST_LENGTH * 2 + 1) 45 #define SHA256_BLOCK_LENGTH 64 46 #define SHA256_DIGEST_LENGTH 32 47 #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) 48 #define SHA384_BLOCK_LENGTH 128 49 #define SHA384_DIGEST_LENGTH 48 50 #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) 51 #define SHA512_BLOCK_LENGTH 128 52 #define SHA512_DIGEST_LENGTH 64 53 #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) 54 #define SHA512_256_BLOCK_LENGTH 128 55 #define SHA512_256_DIGEST_LENGTH 32 56 #define SHA512_256_DIGEST_STRING_LENGTH (SHA512_256_DIGEST_LENGTH * 2 + 1) 57 58 59 /*** SHA-224/256/384/512 Context Structure *******************************/ 60 typedef struct _SHA2_CTX { 61 union { 62 u_int32_t st32[8]; 63 u_int64_t st64[8]; 64 } state; 65 u_int64_t bitcount[2]; 66 u_int8_t buffer[SHA512_BLOCK_LENGTH]; 67 } SHA2_CTX; 68 69 void SHA224Init(SHA2_CTX *); 70 void SHA224Transform(u_int32_t state[8], const u_int8_t [SHA224_BLOCK_LENGTH]); 71 void SHA224Update(SHA2_CTX *, const u_int8_t *, size_t) 72 __attribute__((__bounded__(__string__,2,3))); 73 void SHA224Pad(SHA2_CTX *); 74 void SHA224Final(u_int8_t [SHA224_DIGEST_LENGTH], SHA2_CTX *) 75 __attribute__((__bounded__(__minbytes__,1,SHA224_DIGEST_LENGTH))); 76 char *SHA224End(SHA2_CTX *, char *) 77 __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH))); 78 char *SHA224File(const char *, char *) 79 __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH))); 80 char *SHA224FileChunk(const char *, char *, off_t, off_t) 81 __attribute__((__bounded__(__minbytes__,2,SHA224_DIGEST_STRING_LENGTH))); 82 char *SHA224Data(const u_int8_t *, size_t, char *) 83 __attribute__((__bounded__(__string__,1,2))) 84 __attribute__((__bounded__(__minbytes__,3,SHA224_DIGEST_STRING_LENGTH))); 85 86 void SHA256Init(SHA2_CTX *); 87 void SHA256Transform(u_int32_t state[8], const u_int8_t [SHA256_BLOCK_LENGTH]); 88 void SHA256Update(SHA2_CTX *, const u_int8_t *, size_t) 89 __attribute__((__bounded__(__string__,2,3))); 90 void SHA256Pad(SHA2_CTX *); 91 void SHA256Final(u_int8_t [SHA256_DIGEST_LENGTH], SHA2_CTX *) 92 __attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH))); 93 char *SHA256End(SHA2_CTX *, char *) 94 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); 95 char *SHA256File(const char *, char *) 96 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); 97 char *SHA256FileChunk(const char *, char *, off_t, off_t) 98 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); 99 char *SHA256Data(const u_int8_t *, size_t, char *) 100 __attribute__((__bounded__(__string__,1,2))) 101 __attribute__((__bounded__(__minbytes__,3,SHA256_DIGEST_STRING_LENGTH))); 102 103 void SHA384Init(SHA2_CTX *); 104 void SHA384Transform(u_int64_t state[8], const u_int8_t [SHA384_BLOCK_LENGTH]); 105 void SHA384Update(SHA2_CTX *, const u_int8_t *, size_t) 106 __attribute__((__bounded__(__string__,2,3))); 107 void SHA384Pad(SHA2_CTX *); 108 void SHA384Final(u_int8_t [SHA384_DIGEST_LENGTH], SHA2_CTX *) 109 __attribute__((__bounded__(__minbytes__,1,SHA384_DIGEST_LENGTH))); 110 char *SHA384End(SHA2_CTX *, char *) 111 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); 112 char *SHA384File(const char *, char *) 113 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); 114 char *SHA384FileChunk(const char *, char *, off_t, off_t) 115 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); 116 char *SHA384Data(const u_int8_t *, size_t, char *) 117 __attribute__((__bounded__(__string__,1,2))) 118 __attribute__((__bounded__(__minbytes__,3,SHA384_DIGEST_STRING_LENGTH))); 119 120 void SHA512Init(SHA2_CTX *); 121 void SHA512Transform(u_int64_t state[8], const u_int8_t [SHA512_BLOCK_LENGTH]); 122 void SHA512Update(SHA2_CTX *, const u_int8_t *, size_t) 123 __attribute__((__bounded__(__string__,2,3))); 124 void SHA512Pad(SHA2_CTX *); 125 void SHA512Final(u_int8_t [SHA512_DIGEST_LENGTH], SHA2_CTX *) 126 __attribute__((__bounded__(__minbytes__,1,SHA512_DIGEST_LENGTH))); 127 char *SHA512End(SHA2_CTX *, char *) 128 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); 129 char *SHA512File(const char *, char *) 130 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); 131 char *SHA512FileChunk(const char *, char *, off_t, off_t) 132 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); 133 char *SHA512Data(const u_int8_t *, size_t, char *) 134 __attribute__((__bounded__(__string__,1,2))) 135 __attribute__((__bounded__(__minbytes__,3,SHA512_DIGEST_STRING_LENGTH))); 136 137 void SHA512_256Init(SHA2_CTX *); 138 void SHA512_256Transform(u_int64_t state[8], const u_int8_t [SHA512_256_BLOCK_LENGTH]); 139 void SHA512_256Update(SHA2_CTX *, const u_int8_t *, size_t) 140 __attribute__((__bounded__(__string__,2,3))); 141 void SHA512_256Pad(SHA2_CTX *); 142 void SHA512_256Final(u_int8_t [SHA512_256_DIGEST_LENGTH], SHA2_CTX *) 143 __attribute__((__bounded__(__minbytes__,1,SHA512_256_DIGEST_LENGTH))); 144 char *SHA512_256End(SHA2_CTX *, char *) 145 __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH))); 146 char *SHA512_256File(const char *, char *) 147 __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH))); 148 char *SHA512_256FileChunk(const char *, char *, off_t, off_t) 149 __attribute__((__bounded__(__minbytes__,2,SHA512_256_DIGEST_STRING_LENGTH))); 150 char *SHA512_256Data(const u_int8_t *, size_t, char *) 151 __attribute__((__bounded__(__string__,1,2))) 152 __attribute__((__bounded__(__minbytes__,3,SHA512_256_DIGEST_STRING_LENGTH))); 153 154 #endif /* _SHA2_H */ 155