glibc/crypt/sha256.h
Ulrich Drepper c3266dc0d8 * crypt/Makefile (libcrypt-routines): Add sha256-crypt, sha256,
sha512-crypt, and sha512.
	(tests): Add sha256test, sha256c-test, sha512test, and sha512c-test.
	(distribute): Add sha256.h and sha512.h.
	* crypt/crypt-entry.c (crypt): Recognize the new $5$ and $6$ prefixes
	and call the appropriate code.
	* crypt/sha256-crypt.c: New file.
	* crypt/sha256.c: New file.
	* crypt/sha256.h: New file.
	* crypt/sha256c-test.c: New file.
	* crypt/sha256test.c: New file.
	* crypt/sha512-crypt.c: New file.
	* crypt/sha512.c: New file.
	* crypt/sha512.h: New file.
	* crypt/sha512c-test.c: New file.
	* crypt/sha512test.c: New file.

	* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S (__thread_start):
	Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S (__thread_start):
	Likewise.
2007-09-19 20:37:48 +00:00

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C

/* Declaration of functions and data types used for SHA256 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 _SHA256_H
#define _SHA256_H 1
#include <limits.h>
#include <stdint.h>
#include <stdio.h>
/* Structure to save state of computation between the single steps. */
struct sha256_ctx
{
uint32_t H[8];
uint32_t total[2];
uint32_t buflen;
char buffer[128] __attribute__ ((__aligned__ (__alignof__ (uint32_t))));
};
/* Initialize structure containing state of computation.
(FIPS 180-2: 5.3.2) */
extern void __sha256_init_ctx (struct sha256_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 64. */
extern void __sha256_process_bytes (const void *buffer, size_t len,
struct sha256_ctx *ctx) __THROW;
/* Process the remaining bytes in the buffer and put result from CTX
in first 32 bytes following RESBUF.
IMPORTANT: On some systems it is required that RESBUF is correctly
aligned for a 32 bits value. */
extern void *__sha256_finish_ctx (struct sha256_ctx *ctx, void *resbuf)
__THROW;
#endif /* sha256.h */