[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/crypt/sha256.h b/ap/libc/glibc/glibc-2.23/crypt/sha256.h
new file mode 100644
index 0000000..1d03e54
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/crypt/sha256.h
@@ -0,0 +1,69 @@
+/* Declaration of functions and data types used for SHA256 sum computing
+ library functions.
+ Copyright (C) 2007-2016 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 _SHA256_H
+#define _SHA256_H 1
+
+#include <limits.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <endian.h>
+
+
+/* Structure to save state of computation between the single steps. */
+struct sha256_ctx
+{
+ uint32_t H[8];
+
+ union
+ {
+ uint64_t total64;
+#define TOTAL64_low (1 - (BYTE_ORDER == LITTLE_ENDIAN))
+#define TOTAL64_high (BYTE_ORDER == LITTLE_ENDIAN)
+ uint32_t total[2];
+ };
+ uint32_t buflen;
+ union
+ {
+ char buffer[128];
+ uint32_t buffer32[32];
+ uint64_t buffer64[16];
+ };
+};
+
+/* 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 */