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/*-
* Copyright (c) 2001, 2002 Allan Saddi <allan@saddi.com>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 CONTRIBUTORS 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.
*
* $Id: sha256.h,v 1.4 2011/04/21 17:51:55 andreas_kupries Exp $
*/
#ifndef _SHA256_H
#define _SHA256_H
#if HAVE_INTTYPES_H
# include <inttypes.h>
#else
# if HAVE_STDINT_H
# include <stdint.h>
# endif
#endif
#define SHA256_HASH_SIZE 32
/* Hash size in 32-bit words */
#define SHA256_HASH_WORDS 8
#ifdef _MSC_VER
typedef unsigned __int64 uint64_t;
#elif !(defined(__hpux) || defined(_AIX))
typedef unsigned long long uint64_t;
#endif
#if !(defined(__hpux))
typedef unsigned int uint32_t;
typedef unsigned char uint8_t;
#endif
struct _SHA256Context {
uint64_t totalLength;
uint32_t hash[SHA256_HASH_WORDS];
uint32_t bufferLength;
union {
uint32_t words[16];
uint8_t bytes[64];
} buffer;
};
typedef struct _SHA256Context SHA256Context;
typedef struct _SHA256Context SHA256_CTX;
#ifdef __cplusplus
extern "C" {
#endif
void SHA256Init (SHA256Context *sc);
void SHA256Update (SHA256Context *sc, const void *data, uint32_t len);
void SHA256Final (SHA256Context *sc, uint8_t hash[SHA256_HASH_SIZE]);
void SHA224Init (SHA256Context *sc);
#ifdef __cplusplus
}
#endif
#endif /* !_SHA256_H */
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