Added SHA-1, SHA-224, SHA-256, SHA-384 and SHA-512 support

src/Nazara/Core/Hash/SHA/Internal.hpp

@@ -0,0 +1,107 @@
+// Copyright (C) 2012 Jérôme Leclercq
+// This file is part of the "Nazara Engine".
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+/*
+ * FILE:    sha2.h
+ * AUTHOR:  Aaron D. Gifford
+ *          http://www.aarongifford.com/computers/sha.html
+ *
+ * Copyright (c) 2000-2003, Aaron D. Gifford
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: sha2.h,v 1.4 2004/01/07 19:06:18 adg Exp $
+ */
+
+#pragma once
+
+#ifndef NAZARA_HASH_SHA2_INTERNAL_HPP
+#define NAZARA_HASH_SHA2_INTERNAL_HPP
+
+/* Digest lengths for SHA-1/224/256/384/512 */
+#define   SHA1_DIGEST_LENGTH          20
+#define   SHA1_DIGEST_STRING_LENGTH  (SHA1_DIGEST_LENGTH   * 2 + 1)
+#define SHA224_DIGEST_LENGTH          28
+#define SHA224_DIGEST_STRING_LENGTH  (SHA224_DIGEST_LENGTH * 2 + 1)
+#define SHA256_DIGEST_LENGTH          32
+#define SHA256_DIGEST_STRING_LENGTH  (SHA256_DIGEST_LENGTH * 2 + 1)
+#define SHA384_DIGEST_LENGTH          48
+#define SHA384_DIGEST_STRING_LENGTH  (SHA384_DIGEST_LENGTH * 2 + 1)
+#define SHA512_DIGEST_LENGTH          64
+#define SHA512_DIGEST_STRING_LENGTH  (SHA512_DIGEST_LENGTH * 2 + 1)
+
+#include <Nazara/Prerequesites.hpp>
+
+union SHA_CTX
+{
+    /* SHA-1 uses this part of the union: */
+    struct
+    {
+        nzUInt32 state[5];
+        nzUInt64 bitcount;
+        nzUInt8  buffer[64];
+    } s1;
+
+    /* SHA-224 and SHA-256 use this part of the union: */
+    struct
+    {
+        nzUInt32 state[8];
+        nzUInt64 bitcount;
+        nzUInt8  buffer[64];
+    } s256;
+
+    /* SHA-384 and SHA-512 use this part of the union: */
+    struct
+    {
+        nzUInt64 state[8];
+        nzUInt64 bitcount[2];
+        nzUInt8  buffer[128];
+    } s512;
+};
+
+void SHA1_Init(SHA_CTX*);
+void SHA1_Update(SHA_CTX*, const nzUInt8*, std::size_t);
+void SHA1_End(SHA_CTX*, nzUInt8*);
+
+void SHA224_Init(SHA_CTX*);
+void SHA224_Update(SHA_CTX*, const nzUInt8*, std::size_t);
+void SHA224_End(SHA_CTX*, nzUInt8*);
+
+void SHA256_Init(SHA_CTX*);
+void SHA256_Update(SHA_CTX*, const nzUInt8*, std::size_t);
+void SHA256_End(SHA_CTX*, nzUInt8*);
+
+void SHA384_Init(SHA_CTX*);
+void SHA384_Update(SHA_CTX*, const nzUInt8*, std::size_t);
+void SHA384_End(SHA_CTX*, nzUInt8*);
+
+void SHA512_Init(SHA_CTX*);
+void SHA512_Update(SHA_CTX*, const nzUInt8*, std::size_t);
+void SHA512_End(SHA_CTX*, nzUInt8*);
+
+#endif /* NAZARA_HASH_SHA2_INTERNAL_HPP */
+