| /* 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 $ |
| */ |
| |
| #ifndef _SHA2_H |
| #define _SHA2_H |
| |
| /* avoid conflict with OpenSSL */ |
| #define SHA256_Init pg_SHA256_Init |
| #define SHA256_Update pg_SHA256_Update |
| #define SHA256_Final pg_SHA256_Final |
| #define SHA384_Init pg_SHA384_Init |
| #define SHA384_Update pg_SHA384_Update |
| #define SHA384_Final pg_SHA384_Final |
| #define SHA512_Init pg_SHA512_Init |
| #define SHA512_Update pg_SHA512_Update |
| #define SHA512_Final pg_SHA512_Final |
| |
| /*** SHA-224/256/384/512 Various Length Definitions ***********************/ |
| #define SHA224_BLOCK_LENGTH 64 |
| #define SHA224_DIGEST_LENGTH 28 |
| #define SHA224_DIGEST_STRING_LENGTH (SHA224_DIGEST_LENGTH * 2 + 1) |
| #define SHA256_BLOCK_LENGTH 64 |
| #define SHA256_DIGEST_LENGTH 32 |
| #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) |
| #define SHA384_BLOCK_LENGTH 128 |
| #define SHA384_DIGEST_LENGTH 48 |
| #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) |
| #define SHA512_BLOCK_LENGTH 128 |
| #define SHA512_DIGEST_LENGTH 64 |
| #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) |
| |
| |
| /*** SHA-256/384/512 Context Structures *******************************/ |
| typedef struct _SHA256_CTX |
| { |
| uint32 state[8]; |
| uint64 bitcount; |
| uint8 buffer[SHA256_BLOCK_LENGTH]; |
| } SHA256_CTX; |
| typedef struct _SHA512_CTX |
| { |
| uint64 state[8]; |
| uint64 bitcount[2]; |
| uint8 buffer[SHA512_BLOCK_LENGTH]; |
| } SHA512_CTX; |
| |
| typedef SHA256_CTX SHA224_CTX; |
| typedef SHA512_CTX SHA384_CTX; |
| |
| void SHA224_Init(SHA224_CTX *); |
| void SHA224_Update(SHA224_CTX *, const uint8 *, size_t); |
| void SHA224_Final(uint8[SHA224_DIGEST_LENGTH], SHA224_CTX *); |
| |
| void SHA256_Init(SHA256_CTX *); |
| void SHA256_Update(SHA256_CTX *, const uint8 *, size_t); |
| void SHA256_Final(uint8[SHA256_DIGEST_LENGTH], SHA256_CTX *); |
| |
| void SHA384_Init(SHA384_CTX *); |
| void SHA384_Update(SHA384_CTX *, const uint8 *, size_t); |
| void SHA384_Final(uint8[SHA384_DIGEST_LENGTH], SHA384_CTX *); |
| |
| void SHA512_Init(SHA512_CTX *); |
| void SHA512_Update(SHA512_CTX *, const uint8 *, size_t); |
| void SHA512_Final(uint8[SHA512_DIGEST_LENGTH], SHA512_CTX *); |
| |
| #endif /* _SHA2_H */ |