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[Windows Develop] 征服4.0马端源码 DL : 1: using System; using System.Collections.Generic; using System.Text; namespace NewestCOServer { public class Cryption { class CryptCounter { UInt16 m_Counter = 0; public byte Key2 { get { return (byte)(m_Counter >> 8); } } public byte Key1 { get { return (byte)(m_Counter & 0xFF); } } public void Increment() { m_Counter++; } } private CryptCounter _decryptCounter; private CryptCounter _encryptCounter; private byte[] _cryptKey1; private byte[] _cryptKey2; private byte[] _cryptKey3; private byte[] _cryptKey4; private bool Decrypt2 = false; public Cryption() { _decryptCounter = new CryptCounter(); _encryptCounter = new CryptCounter(); _cryptKey1 = new byte[0x100]; _cryptKey2 = new byte[0x100]; byte i_key1 = 0x9D; byte i_key2 = 0x62; for (int i = 0; i 4 | buffer[i] < 4 | buffer[i] < 4 | buffer[i] << 4); buffer[i] ^= (byte)(_cryptKey4[_decryptCounter.Key2] ^ _cryptKey3[_decryptCounter.Key1]); _decryptCounter.Increment(); } } } public void GenerateKeys(UInt32 CryptoKey, UInt32 AccountID) { UInt32 tmpkey1 = 0, tmpkey2 = 0; tmpkey1 = ((CryptoKey + AccountID) ^ (0x4321)) ^ CryptoKey; tmpkey2 = tmpkey1 * tmpkey1; _cryptKey3 = new byte[256]; _cryptKey4 = new byte[256]; for (int i = 0; i < 256; i++) { int right = ((3 - (i % 4)) * 8); int left = ((i % 4)) * 8 + right; _cryptKey3[i] = (byte)(_cryptKey1[i] ^ tmpkey1 left); _cryptKey4[i] = (byte)(_cryptKey2[i] ^ tmpkey2 left); } Decrypt2 = true; } public void GenerateKeys2(byte[] InKey1, byte[] InKey2) { byte[] addKey1 = new byte[4]; byte[] addKey2 = new byte[4]; byte[] addResult = new byte[4]; //addKey1.i = 0; //addKey2.i = 0; byte[] tempKey = new byte[4]; long LMULer; // InKey1[0] = 0x20; // InKey1[1] = 0x5c; // InKey1[2] = 0x48; // InKey1[3] = 0xf4; // InKey2[0] = 0x00; // InKey2[1] = 0x44; // InKey2[2] = 0xa6; // InKey2[3] = 0x2e; //if (Key3) delete [] Key3; //if (Key4) delete [] Key4; _cryptKey3 = new byte[256]; _cryptKey4 = new byte[256]; for (int x = 0; x < 4; x++) { addKey1[x] = InKey1[3 - x]; addKey2[x] = InKey2[3 - x]; } //cout << "Key1: " << addKey1.i << endl; //cout << "Key2: " << addKey2.i << endl; uint Adder1; uint Adder2; uint Adder3; Adder1 = (uint)((addKey1[3] << 24) | (addKey1[2] << 16) | (addKey1[1] << 8) | (addKey1[0])); Adder2 = (uint)((addKey2[3] << 24) | (addKey2[2] << 16) | (addKey2[1] 8) & 0xff); addResult[2] = (byte)((Adder3 >> 16) & 0xff); addResult[3] = (byte)((Adder3 >> 24) & 0xff); for (int b = 3; b >= 0; b--) { // printf("%.2x ", addResult.c[b]); tempKey[3 - b] = addResult[b]; } tempKey[2] = (byte)(tempKey[2] ^ (byte)0x43); tempKey[3] = (byte)(tempKey[3] ^ (byte)0x21); for (int b = 0; b < 4; b++) { tempKey[b] = (byte)(tempKey[b] ^ InKey1[b]); } //Build the 3rd Key for (int b = 0; b < 256; b++) { _cryptKey3[b] = (byte)(tempKey[3 - (b % 4)] ^ _cryptKey1[b]); } for (int x = 0; x < 4; x++) { addResult[x] = tempKey[3 - x]; } Adder3 = (uint)((addResult[3] << 24) | (addResult[2] << 16) | (addResult[1] << 8) | (addResult[0])); LMULer = Adder3 * Adder3; LMULer = LMULer 32; Adder3 = Convert.ToUInt32(LMULer & 0xffffffff); addResult[0] = (byte)(Adder3 & 0xff); addResult[1] = (byte)((Adder3 >> 8) & 0xff); addResult[2] = (byte)((Adder3 >> 16) & 0xff); addResult[3] = (byte)((Adder3 >> 24) & 0xff); for (int b = 3; b >= 0; b--) { tempKey[3 - b] = addResult[b]; } //Build the 4th Key for (int b = 0; b < 256; b++) { _cryptKey4[b] = Convert.ToByte(tempKey[3 - (b % 4)] ^ _cryptKey2[b]); } Decrypt2 = true; //cout << "Int representation: " << charadd.i << endl; } } }
Date : 2010-04-08 Size : 3.47mb User : andesion@vip.qq.com