Imported existing code

indra/test/llxorcipher_tut.cpp

@@ -0,0 +1,137 @@
+/**
+ * @file llxorcipher_tut.cpp
+ * @author Adroit
+ * @date 2007-03
+ * @brief llxorcipher, llnullcipher test cases.
+ *
+ * $LicenseInfo:firstyear=2007&license=viewergpl$
+ * 
+ * Copyright (c) 2007-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+ 
+#include "linden_common.h"
+#include "lltut.h"
+#include "llxorcipher.h"
+#include "llnullcipher.h"
+
+namespace tut
+{
+	struct cipher
+	{
+	};
+	typedef test_group<cipher> cipher_t;
+	typedef cipher_t::object cipher_object_t;
+	tut::cipher_t tut_cipher("cipher");
+
+	//encrypt->decrypt
+	template<> template<>
+	void cipher_object_t::test<1>()
+	{
+		const U32 len = 3;
+		const U8 pad[] = "abc";
+		const char str[] = "SecondLife";
+		const S32 str_len = sizeof(str);
+		U8 encrypted[str_len];
+		U8 decrypted[str_len];
+		LLXORCipher xorCipher(pad, len);
+		LLXORCipher xorCipher1(pad, len);
+
+		U32 length = xorCipher.requiredEncryptionSpace(50);
+		ensure("requiredEncryptionSpace() function failed", (length == 50));
+
+		U32 lenEncrypted = xorCipher.encrypt((U8 *) str, str_len, encrypted, str_len);
+		ensure("Encryption failed", (lenEncrypted == str_len));
+		U32 lenDecrypted = xorCipher1.decrypt(encrypted, str_len, decrypted, str_len);
+		ensure("Decryption failed", (lenDecrypted == str_len));
+		ensure_memory_matches("LLXORCipher Encrypt/Decrypt failed", str, str_len, decrypted, lenDecrypted);	
+	}
+
+	// operator=
+	template<> template<>
+	void cipher_object_t::test<2>()
+	{
+		const U8 pad[] = "ABCDEFGHIJKLMNOPQ"; // pad len longer than data to be ciphered
+		const U32 pad_len = sizeof(pad);
+		const U8 pad1[] = "SecondLife";
+		const U32 pad_len1 = sizeof(pad1);
+		const char str[] = "To Be Ciphered";
+		const S32 str_len = sizeof(str);
+		U8 encrypted[str_len];
+		U8 decrypted[str_len];
+
+		LLXORCipher xorCipher(pad, pad_len);
+		LLXORCipher xorCipher1(pad1, pad_len1);
+
+		xorCipher.encrypt((U8 *) str, str_len, encrypted, str_len);
+		// make xorCipher1 same as xorCipher..so that xorCipher1 can decrypt what was 
+		// encrypted using xorCipher
+		xorCipher1 = xorCipher;
+		U32 lenDecrypted = xorCipher1.decrypt(encrypted, str_len, decrypted, str_len);
+		ensure_memory_matches("LLXORCipher operator= failed", str, str_len, decrypted, lenDecrypted);	
+	}
+	
+	//in place encrypt->decrypt
+	template<> template<>
+	void cipher_object_t::test<3>()
+	{
+		U32 padNum = 0x12349087;
+		const U8* pad = (U8*) &padNum;
+		const U32 pad_len = sizeof(U32);
+		char str[] = "To Be Ciphered a long string.........!!!.";
+		char str1[] = "To Be Ciphered a long string.........!!!."; // same as str
+		const S32 str_len = sizeof(str);
+
+		LLXORCipher xorCipher(pad, pad_len);
+		LLXORCipher xorCipher1(pad, pad_len);
+		xorCipher.encrypt((U8 *) str, str_len);
+		// it should not be the same as original data!
+		ensure("LLXORCipher: In Place encrypt failed", memcmp(str, str1, str_len) != 0);
+		xorCipher1.decrypt((U8 *) str, str_len);
+		// it should not be the same as original data!
+		ensure_memory_matches("LLXORCipher: In Place decrypt failed", str, str_len, str1, str_len);
+	}
+
+	//LLNullCipher encrypt->decrypt
+	template<> template<>
+	void cipher_object_t::test<4>()
+	{
+		const char str[] = "SecondLife";
+		const S32 str_len = sizeof(str);
+		U8 encrypted[str_len];
+		U8 decrypted[str_len];
+		LLNullCipher nullCipher;
+		LLNullCipher nullCipher1;
+
+		U32 length = nullCipher.requiredEncryptionSpace(50);
+		ensure("LLNullCipher::requiredEncryptionSpace() function failed", (length == 50));
+
+		U32 len1 = nullCipher.encrypt((U8 *) str, str_len, encrypted, str_len);
+		ensure_memory_matches("LLNullCipher - Source transformed during encryption.", encrypted, len1, str, str_len);
+		
+		U32 len2 = nullCipher1.decrypt(encrypted, str_len, decrypted, str_len);
+		ensure_memory_matches("LLNullCipher - Decryption failed", decrypted, len2, str, str_len);
+	}
+}