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/* $OpenBSD: sha2.h,v 1.5 2014/11/16 17:39:09 tedu Exp $ */ |
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|
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/* |
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* FILE: sha2.h |
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* AUTHOR: Aaron D. Gifford <me@aarongifford.com> |
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* |
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* Copyright (c) 2000-2001, Aaron D. Gifford |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the copyright holder nor the names of contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $ |
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*/ |
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|
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#ifndef _SHA2_H |
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#define _SHA2_H |
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|
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#include "util.h" |
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|
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/*** SHA-256/384/512 Various Length Definitions ***********************/ |
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#define SHA256_BLOCK_LENGTH 64 |
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#define SHA256_DIGEST_LENGTH 32 |
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#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) |
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#define SHA512_BLOCK_LENGTH 128 |
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|
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/*** SHA-256/384/512 Context Structure *******************************/ |
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typedef struct _SHA2_CTX { |
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union { |
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u_int32_t st32[8]; |
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} state; |
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/* u_int64_t bitcount[2]; */ |
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u_int32_t bitcount[4]; |
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u_int8_t buffer[SHA512_BLOCK_LENGTH]; |
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} SHA2_CTX; |
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|
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void SHA256Init(SHA2_CTX *); |
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void SHA256Update(SHA2_CTX *, const void *, size_t); |
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void SHA256Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA2_CTX *); |
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char *SHA256Data(const u_int8_t *data, size_t len, char *buf); |
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|
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#endif /* _SHA2_H */ |