/** * @file llxorcipher_tut.cpp * @author Adroit * @date 2007-03 * @brief llxorcipher, llnullcipher test cases. * * $LicenseInfo:firstyear=2007&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This 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; * version 2.1 of the License only. * * This 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 this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #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); } }