From c3266dc0d85ed519ff40d1738aadf7b1280af3ba Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Wed, 19 Sep 2007 20:37:48 +0000
Subject: * 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.
---
 crypt/sha512.h | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 crypt/sha512.h

(limited to 'crypt/sha512.h')

diff --git a/crypt/sha512.h b/crypt/sha512.h
new file mode 100644
index 0000000..9952c5f
--- /dev/null
+++ b/crypt/sha512.h
@@ -0,0 +1,58 @@
+/* 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 */
-- 
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