| /* contrib/pgcrypto/sha2.h */ |
| /* $OpenBSD: sha2.h,v 1.2 2004/04/28 23:11:57 millert Exp $ */ |
| |
| /* |
| * FILE: sha2.h |
| * AUTHOR: Aaron D. Gifford <me@aarongifford.com> |
| * |
| * Copyright (c) 2000-2001, Aaron D. Gifford |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holder nor the names of contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $ |
| */ |
| |
| /*** SHA-224/256/384/512 Various Length Definitions ***********************/ |
| enum { |
| SHA224BlockLength = 64, |
| SHA224DigestLength = 28, |
| SHA224_digest_string_length = (SHA224DigestLength * 2 + 1), |
| SHA256BlockLength = 64, |
| SHA256DigestLength = 32, |
| SHA256DigestStringLength = (SHA256DigestLength * 2 + 1), |
| SHA384BlockLength = 128, |
| SHA384DigestLength = 48, |
| SHA384_digest_string_length = (SHA384DigestLength * 2 + 1), |
| SHA512_block_length = 128, |
| SHA512DigestLength = 64, |
| SHA512DigestStringLength = (SHA512DigestLength * 2 + 1) |
| }; |
| |
| /*** SHA-256/384/512 Context Structures *******************************/ |
| |
| typedef struct SHA256Ctx SHA256Ctx; |
| typedef struct SHA512Ctx SHA512Ctx; |
| typedef SHA256Ctx SHA224Ctx; |
| typedef SHA512Ctx SHA384Ctx; |
| |
| struct SHA256Ctx { |
| uint32_t state[8]; |
| uint64_t bitcount; |
| uint8_t buffer[SHA256BlockLength]; |
| }; |
| |
| struct SHA512Ctx { |
| uint64_t state[8]; |
| uint64_t bitcount[2]; |
| uint8_t buffer[SHA512_block_length]; |
| }; |
| |
| void SHA224_Init(SHA224Ctx *); |
| void SHA224_Update(SHA224Ctx *, const uint8_t *, size_t); |
| void SHA224_Final(uint8_t[SHA224DigestLength], SHA224Ctx *); |
| |
| void SHA256_Init(SHA256Ctx *); |
| void SHA256_Update(SHA256Ctx *, const uint8_t *, size_t); |
| void SHA256_Final(uint8_t[SHA256DigestLength], SHA256Ctx *); |
| |
| void SHA384_Init(SHA384Ctx *); |
| void SHA384_Update(SHA384Ctx *, const uint8_t *, size_t); |
| void SHA384_Final(uint8_t[SHA384DigestLength], SHA384Ctx *); |
| |
| void SHA512_Init(SHA512Ctx *); |
| void SHA512_Update(SHA512Ctx *, const uint8_t *, size_t); |
| void SHA512_Final(uint8_t[SHA512DigestLength], SHA512Ctx *); |