1 files changed, 72 insertions, 0 deletions
diff --git a/REORG.TODO/crypt/sha512.h b/REORG.TODO/crypt/sha512.h
new file mode 100644
index 0000000000..58aec3decb
--- /dev/null
+++ b/REORG.TODO/crypt/sha512.h
@@ -0,0 +1,72 @@
+/* Declaration of functions and data types used for SHA512 sum computing
+   library functions.
+   Copyright (C) 2007-2017 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
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SHA512_H
+#define _SHA512_H 1
+
+#include <limits.h>
+#include <stdint.h>
+#include <stdio.h>
+#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)));
+#endif
+#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 */