1 /* $MirOS: src/sys/crypto/sha2.h,v 1.2 2013/10/31 20:06:49 tg Exp $ */ 2 /* $OpenBSD: sha2.h,v 1.2 2004/04/28 23:11:57 millert Exp $ */ 3 4 /* 5 * FILE: sha2.h 6 * AUTHOR: Aaron D. Gifford <me@aarongifford.com> 7 * 8 * Copyright © 2013 9 * Thorsten “mirabilos” Glaser <tg@mirbsd.org> 10 * Copyright (c) 2000-2001, Aaron D. Gifford 11 * All rights reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the copyright holder nor the names of contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $ 38 */ 39 40 #ifndef _SHA2_H 41 #define _SHA2_H 42 43 44 /*** SHA-256/384/512 Various Length Definitions ***********************/ 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 55 56 /*** SHA-256/384/512 Context Structures *******************************/ 57 typedef struct _SHA256_CTX { 58 u_int32_t state[8]; 59 u_int64_t bitcount; 60 u_int8_t buffer[SHA256_BLOCK_LENGTH]; 61 } SHA256_CTX; 62 typedef struct _SHA512_CTX { 63 u_int64_t state[8]; 64 u_int64_t bitcount[2]; 65 u_int8_t buffer[SHA512_BLOCK_LENGTH]; 66 } SHA512_CTX; 67 68 typedef SHA512_CTX SHA384_CTX; 69 70 #include <sys/cdefs.h> 71 72 __BEGIN_DECLS 73 void SHA256_Init(SHA256_CTX *); 74 void SHA256_Update(SHA256_CTX *, const u_int8_t *, size_t) 75 __attribute__((__bounded__(__string__, 2, 3))); 76 void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX *) 77 __attribute__((__bounded__(__minbytes__, 1, SHA256_DIGEST_LENGTH))); 78 79 void SHA384_Init(SHA384_CTX *); 80 void SHA384_Update(SHA384_CTX *, const u_int8_t *, size_t) 81 __attribute__((__bounded__(__string__, 2, 3))); 82 void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX *) 83 __attribute__((__bounded__(__minbytes__, 1, SHA384_DIGEST_LENGTH))); 84 85 void SHA512_Init(SHA512_CTX *); 86 void SHA512_Update(SHA512_CTX *, const u_int8_t *, size_t) 87 __attribute__((__bounded__(__string__, 2, 3))); 88 void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX *) 89 __attribute__((__bounded__(__minbytes__, 1, SHA512_DIGEST_LENGTH))); 90 __END_DECLS 91 92 #endif /* _SHA2_H */ 93