glibc/crypt/sha512.h

73 lines
2.3 KiB
C
Raw Normal View History

/* Declaration of functions and data types used for SHA512 sum computing
library functions.
Copyright (C) 2007-2020 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, see
Prefer https to http for gnu.org and fsf.org URLs Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 13:40:42 +08:00
<https://www.gnu.org/licenses/>. */
#ifndef _SHA512_H
#define _SHA512_H 1
#include <limits.h>
#include <stdint.h>
#include <stdio.h>
2011-07-03 01:03:53 +08:00
#include <endian.h>
#include <bits/wordsize.h>
/* Structure to save state of computation between the single steps. */
struct sha512_ctx
{
uint64_t H[8];
union
{
#if defined __GNUC__ && __WORDSIZE == 64
# define USE_TOTAL128
unsigned int total128 __attribute__ ((__mode__ (TI)));
2011-07-03 01:03:53 +08:00
#endif
2011-07-03 08:46:37 +08:00
#define TOTAL128_low (1 - (BYTE_ORDER == LITTLE_ENDIAN))
#define TOTAL128_high (BYTE_ORDER == LITTLE_ENDIAN)
uint64_t total[2];
};
uint64_t buflen;
union
{
char buffer[256];
uint64_t buffer64[32];
};
};
/* 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 */