59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
|
/* Declaration of functions and data types used for SHA512 sum computing
|
||
|
|
library functions.
|
||
|
|
Copyright (C) 2007 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Lesser General Public
|
||
|
|
License as published by the Free Software Foundation; either
|
||
|
|
version 2.1 of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
Lesser General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public
|
||
|
|
License along with the GNU C Library; if not, write to the Free
|
||
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||
|
|
02111-1307 USA. */
|
||
|
|
|
||
|
|
#ifndef _SHA512_H
|
||
|
|
#define _SHA512_H 1
|
||
|
|
|
||
|
|
#include <limits.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
|
||
|
|
/* Structure to save state of computation between the single steps. */
|
||
|
|
struct sha512_ctx
|
||
|
|
{
|
||
|
|
uint64_t H[8];
|
||
|
|
|
||
|
|
uint64_t total[2];
|
||
|
|
uint64_t buflen;
|
||
|
|
char buffer[256] __attribute__ ((__aligned__ (__alignof__ (uint64_t))));
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Initialize structure containing state of computation.
|
||
|
|
(FIPS 180-2: 5.3.3) */
|
||
|
|
extern void __sha512_init_ctx (struct sha512_ctx *ctx) __THROW;
|
||
|
|
|
||
|
|
/* Starting with the result of former calls of this function (or the
|
||
|
|
initialization function update the context for the next LEN bytes
|
||
|
|
starting at BUFFER.
|
||
|
|
It is NOT required that LEN is a multiple of 128. */
|
||
|
|
extern void __sha512_process_bytes (const void *buffer, size_t len,
|
||
|
|
struct sha512_ctx *ctx) __THROW;
|
||
|
|
|
||
|
|
/* Process the remaining bytes in the buffer and put result from CTX
|
||
|
|
in first 64 bytes following RESBUF.
|
||
|
|
|
||
|
|
IMPORTANT: On some systems it is required that RESBUF is correctly
|
||
|
|
aligned for a 64 bits value. */
|
||
|
|
extern void *__sha512_finish_ctx (struct sha512_ctx *ctx, void *resbuf)
|
||
|
|
__THROW;
|
||
|
|
|
||
|
|
#endif /* sha512.h */
|