132 lines
4.9 KiB
C++
132 lines
4.9 KiB
C++
/**
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* @file llxorcipher_tut.cpp
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* @author Adroit
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* @date 2007-03
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* @brief llxorcipher, llnullcipher test cases.
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*
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* $LicenseInfo:firstyear=2007&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "lltut.h"
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#include "llxorcipher.h"
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#include "llnullcipher.h"
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namespace tut
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{
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struct cipher
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{
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};
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typedef test_group<cipher> cipher_t;
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typedef cipher_t::object cipher_object_t;
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tut::cipher_t tut_cipher("cipher");
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//encrypt->decrypt
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template<> template<>
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void cipher_object_t::test<1>()
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{
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const U32 len = 3;
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const U8 pad[] = "abc";
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const char str[] = "SecondLife";
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const S32 str_len = sizeof(str);
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U8 encrypted[str_len];
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U8 decrypted[str_len];
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LLXORCipher xorCipher(pad, len);
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LLXORCipher xorCipher1(pad, len);
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U32 length = xorCipher.requiredEncryptionSpace(50);
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ensure("requiredEncryptionSpace() function failed", (length == 50));
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U32 lenEncrypted = xorCipher.encrypt((U8 *) str, str_len, encrypted, str_len);
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ensure("Encryption failed", (lenEncrypted == str_len));
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U32 lenDecrypted = xorCipher1.decrypt(encrypted, str_len, decrypted, str_len);
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ensure("Decryption failed", (lenDecrypted == str_len));
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ensure_memory_matches("LLXORCipher Encrypt/Decrypt failed", str, str_len, decrypted, lenDecrypted);
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}
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// operator=
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template<> template<>
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void cipher_object_t::test<2>()
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{
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const U8 pad[] = "ABCDEFGHIJKLMNOPQ"; // pad len longer than data to be ciphered
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const U32 pad_len = sizeof(pad);
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const U8 pad1[] = "SecondLife";
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const U32 pad_len1 = sizeof(pad1);
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const char str[] = "To Be Ciphered";
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const S32 str_len = sizeof(str);
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U8 encrypted[str_len];
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U8 decrypted[str_len];
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LLXORCipher xorCipher(pad, pad_len);
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LLXORCipher xorCipher1(pad1, pad_len1);
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xorCipher.encrypt((U8 *) str, str_len, encrypted, str_len);
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// make xorCipher1 same as xorCipher..so that xorCipher1 can decrypt what was
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// encrypted using xorCipher
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xorCipher1 = xorCipher;
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U32 lenDecrypted = xorCipher1.decrypt(encrypted, str_len, decrypted, str_len);
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ensure_memory_matches("LLXORCipher operator= failed", str, str_len, decrypted, lenDecrypted);
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}
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//in place encrypt->decrypt
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template<> template<>
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void cipher_object_t::test<3>()
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{
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U32 padNum = 0x12349087;
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const U8* pad = (U8*) &padNum;
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const U32 pad_len = sizeof(U32);
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char str[] = "To Be Ciphered a long string.........!!!.";
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char str1[] = "To Be Ciphered a long string.........!!!."; // same as str
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const S32 str_len = sizeof(str);
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LLXORCipher xorCipher(pad, pad_len);
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LLXORCipher xorCipher1(pad, pad_len);
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xorCipher.encrypt((U8 *) str, str_len);
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// it should not be the same as original data!
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ensure("LLXORCipher: In Place encrypt failed", memcmp(str, str1, str_len) != 0);
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xorCipher1.decrypt((U8 *) str, str_len);
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// it should not be the same as original data!
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ensure_memory_matches("LLXORCipher: In Place decrypt failed", str, str_len, str1, str_len);
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}
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//LLNullCipher encrypt->decrypt
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template<> template<>
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void cipher_object_t::test<4>()
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{
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const char str[] = "SecondLife";
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const S32 str_len = sizeof(str);
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U8 encrypted[str_len];
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U8 decrypted[str_len];
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LLNullCipher nullCipher;
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LLNullCipher nullCipher1;
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U32 length = nullCipher.requiredEncryptionSpace(50);
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ensure("LLNullCipher::requiredEncryptionSpace() function failed", (length == 50));
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U32 len1 = nullCipher.encrypt((U8 *) str, str_len, encrypted, str_len);
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ensure_memory_matches("LLNullCipher - Source transformed during encryption.", encrypted, len1, str, str_len);
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U32 len2 = nullCipher1.decrypt(encrypted, str_len, decrypted, str_len);
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ensure_memory_matches("LLNullCipher - Decryption failed", decrypted, len2, str, str_len);
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}
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}
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