67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/*-
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* Copyright (c) 2014-2015 Carsten Larsen
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* Copyright (c) 2001-2003 Allan Saddi <allan@saddi.com>
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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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*
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* THIS SOFTWARE IS PROVIDED BY ALLAN SADDI AND HIS CONTRIBUTORS ``AS IS''
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* AND 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 ALLAN SADDI OR HIS CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _SHA256_H
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#define _SHA256_H
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#include "platform.h"
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#define SHA256_HASH_SIZE 32
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/* Hash size in 32-bit words */
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#define SHA256_HASH_WORDS 8
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struct _SHA256Context {
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uint64_t totalLength;
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uint32_t hash[SHA256_HASH_WORDS];
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uint32_t bufferLength;
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union {
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uint32_t words[16];
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uint8_t bytes[64];
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} buffer;
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#ifdef RUNTIME_ENDIAN
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int littleEndian;
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#endif /* RUNTIME_ENDIAN */
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};
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typedef struct _SHA256Context SHA256Context;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void SHA256Init (SHA256Context *sc);
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void SHA256Update (SHA256Context *sc, const void *data, uint32_t len);
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void SHA256Final (SHA256Context *sc, uint8_t hash[SHA256_HASH_SIZE]);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !_SHA256_H */
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