Initial Commit

SSZipArchive/minizip/aes/sha1.h

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+/*
+---------------------------------------------------------------------------
+Copyright (c) 1998-2010, Brian Gladman, Worcester, UK. All rights reserved.
+
+The redistribution and use of this software (with or without changes)
+is allowed without the payment of fees or royalties provided that:
+
+  source code distributions include the above copyright notice, this
+  list of conditions and the following disclaimer;
+
+  binary distributions include the above copyright notice, this list
+  of conditions and the following disclaimer in their documentation.
+
+This software is provided 'as is' with no explicit or implied warranties
+in respect of its operation, including, but not limited to, correctness
+and fitness for purpose.
+---------------------------------------------------------------------------
+Issue Date: 20/12/2007
+*/
+
+#ifndef _SHA1_H
+#define _SHA1_H
+
+#define SHA_1
+
+/* define for bit or byte oriented SHA   */
+#if 1
+#  define SHA1_BITS 0   /* byte oriented */
+#else
+#  define SHA1_BITS 1   /* bit oriented  */
+#endif
+
+#include <stdlib.h>
+#include "brg_types.h"
+
+#define SHA1_BLOCK_SIZE  64
+#define SHA1_DIGEST_SIZE 20
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+/* type to hold the SHA256 context  */
+
+typedef struct
+{   uint32_t count[2];
+    uint32_t hash[SHA1_DIGEST_SIZE >> 2];
+    uint32_t wbuf[SHA1_BLOCK_SIZE >> 2];
+} sha1_ctx;
+
+/* Note that these prototypes are the same for both bit and */
+/* byte oriented implementations. However the length fields */
+/* are in bytes or bits as appropriate for the version used */
+/* and bit sequences are input as arrays of bytes in which  */
+/* bit sequences run from the most to the least significant */
+/* end of each byte. The value 'len' in sha1_hash for the   */
+/* byte oriented version of SHA1 is limited to 2^29 bytes,  */
+/* but multiple calls will handle longer data blocks.       */
+
+VOID_RETURN sha1_compile(sha1_ctx ctx[1]);
+
+VOID_RETURN sha1_begin(sha1_ctx ctx[1]);
+VOID_RETURN sha1_hash(const unsigned char data[], unsigned long len, sha1_ctx ctx[1]);
+VOID_RETURN sha1_end(unsigned char hval[], sha1_ctx ctx[1]);
+VOID_RETURN sha1(unsigned char hval[], const unsigned char data[], unsigned long len);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif