aboutsummaryrefslogtreecommitdiff
path: root/crypt/sha256.h
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2007-09-19 20:37:48 +0000
committerUlrich Drepper <drepper@redhat.com>2007-09-19 20:37:48 +0000
commitc3266dc0d85ed519ff40d1738aadf7b1280af3ba (patch)
tree8ce7e3317452a3e606529b18fd83674dc30af6b1 /crypt/sha256.h
parent9425cb9eea6a62fc21d99aafe8a60f752b934b05 (diff)
downloadglibc-c3266dc0d85ed519ff40d1738aadf7b1280af3ba.zip
glibc-c3266dc0d85ed519ff40d1738aadf7b1280af3ba.tar.gz
glibc-c3266dc0d85ed519ff40d1738aadf7b1280af3ba.tar.bz2
* 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.
Diffstat (limited to 'crypt/sha256.h')
-rw-r--r--crypt/sha256.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/crypt/sha256.h b/crypt/sha256.h
new file mode 100644
index 0000000..be8b077
--- /dev/null
+++ b/crypt/sha256.h
@@ -0,0 +1,58 @@
+/* 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 */