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/*-
* Copyright 2005 Colin Percival
* 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.
*/
#ifndef _SHA512_H_
#define _SHA512_H_
#include <stddef.h>
#include <stdint.h>
/*
* Use #defines in order to avoid namespace collisions with anyone else's
* SHA512 code (e.g., the code in OpenSSL).
*/
#define SHA512_Init libcperciva_SHA512_Init
#define SHA512_Update libcperciva_SHA512_Update
#define SHA512_Final libcperciva_SHA512_Final
#define SHA512_Buf libcperciva_SHA512_Buf
#define SHA512_CTX libcperciva_SHA512_CTX
/* Context structure for SHA512 operations. */
typedef struct {
uint64_t state[8];
uint64_t count[2];
uint8_t buf[128];
} SHA512_CTX;
/**
* SHA512_Init(ctx):
* Initialize the SHA512 context ${ctx}.
*/
void SHA512_Init(SHA512_CTX *);
/**
* SHA512_Update(ctx, in, len):
* Input ${len} bytes from ${in} into the SHA512 context ${ctx}.
*/
void SHA512_Update(SHA512_CTX *, const void *, size_t);
/**
* SHA512_Final(digest, ctx):
* Output the SHA512 hash of the data input to the context ${ctx} into the
* buffer ${digest}.
*/
void SHA512_Final(uint8_t[64], SHA512_CTX *);
/**
* SHA512_Buf(in, len, digest):
* Compute the SHA512 hash of ${len} bytes from ${in} and write it to ${digest}.
*/
void SHA512_Buf(const void *, size_t, uint8_t[64]);
#endif /* !_SHA512_H_ */
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