HanDs
NO.2

[Visual Studio文章] 棋牌游戏网络数据包加密解密算法 





学习中请遵循国家相关法律法规,黑客不作恶。没有网络安全就没有国家安全

本站需要登陆后才能查看

/**********************************************************************
* Copyright (C) 2008 -  - All Rights Reserved
*
* 文件名称:                MapCoding.cpp
* 摘    要:                映射表加密解密器
*    
* 作    者:                ,
* 修    改:                查看文件最下方.
*
***********************************************************************/

#include "StdAfx.h"
#include "MapCoding.h"

//////////////////////////////////////////////////////////////////////////
/// 加密用字节映射表
//////////////////////////////////////////////////////////////////////////
static const unsigned char ENCODE_BYTE_MAP[256] =
{
        0x70, 0x2F, 0x40, 0x5F, 0x44, 0x8E, 0x6E, 0x45, 0x7E, 0xAB, 0x2C, 0x1F, 0xB4, 0xAC, 0x9D, 0x91,
                0x0D, 0x36, 0x9B, 0x0B, 0xD4, 0xC4, 0x39, 0x74, 0xBF, 0x23, 0x16, 0x14, 0x06, 0xEB, 0x04, 0x3E,
                0x12, 0x5C, 0x8B, 0xBC, 0x61, 0x63, 0xF6, 0xA5, 0xE1, 0x65, 0xD8, 0xF5, 0x5A, 0x07, 0xF0, 0x13,
                0xF2, 0x20, 0x6B, 0x4A, 0x24, 0x59, 0x89, 0x64, 0xD7, 0x42, 0x6A, 0x5E, 0x3D, 0x0A, 0x77, 0xE0,
                0x80, 0x27, 0xB8, 0xC5, 0x8C, 0x0E, 0xFA, 0x8A, 0xD5, 0x29, 0x56, 0x57, 0x6C, 0x53, 0x67, 0x41,
                0xE8, 0x00, 0x1A, 0xCE, 0x86, 0x83, 0xB0, 0x22, 0x28, 0x4D, 0x3F, 0x26, 0x46, 0x4F, 0x6F, 0x2B,
                0x72, 0x3A, 0xF1, 0x8D, 0x97, 0x95, 0x49, 0x84, 0xE5, 0xE3, 0x79, 0x8F, 0x51, 0x10, 0xA8, 0x82,
                0xC6, 0xDD, 0xFF, 0xFC, 0xE4, 0xCF, 0xB3, 0x09, 0x5D, 0xEA, 0x9C, 0x34, 0xF9, 0x17, 0x9F, 0xDA,
                0x87, 0xF8, 0x15, 0x05, 0x3C, 0xD3, 0xA4, 0x85, 0x2E, 0xFB, 0xEE, 0x47, 0x3B, 0xEF, 0x37, 0x7F,
                0x93, 0xAF, 0x69, 0x0C, 0x71, 0x31, 0xDE, 0x21, 0x75, 0xA0, 0xAA, 0xBA, 0x7C, 0x38, 0x02, 0xB7,
                0x81, 0x01, 0xFD, 0xE7, 0x1D, 0xCC, 0xCD, 0xBD, 0x1B, 0x7A, 0x2A, 0xAD, 0x66, 0xBE, 0x55, 0x33,
                0x03, 0xDB, 0x88, 0xB2, 0x1E, 0x4E, 0xB9, 0xE6, 0xC2, 0xF7, 0xCB, 0x7D, 0xC9, 0x62, 0xC3, 0xA6,
                0xDC, 0xA7, 0x50, 0xB5, 0x4B, 0x94, 0xC0, 0x92, 0x4C, 0x11, 0x5B, 0x78, 0xD9, 0xB1, 0xED, 0x19,
                0xE9, 0xA1, 0x1C, 0xB6, 0x32, 0x99, 0xA3, 0x76, 0x9E, 0x7B, 0x6D, 0x9A, 0x30, 0xD6, 0xA9, 0x25,
                0xC7, 0xAE, 0x96, 0x35, 0xD0, 0xBB, 0xD2, 0xC8, 0xA2, 0x08, 0xF3, 0xD1, 0x73, 0xF4, 0x48, 0x2D,
                0x90, 0xCA, 0xE2, 0x58, 0xC1, 0x18, 0x52, 0xFE, 0xDF, 0x68, 0x98, 0x54, 0xEC, 0x60, 0x43, 0x0F
};

//////////////////////////////////////////////////////////////////////////
/// 解密用字节映射表
//////////////////////////////////////////////////////////////////////////
static const unsigned char DECODE_BYTE_MAP[256] =
{
        0x51, 0xA1, 0x9E, 0xB0, 0x1E, 0x83, 0x1C, 0x2D, 0xE9, 0x77, 0x3D, 0x13, 0x93, 0x10, 0x45, 0xFF,
                0x6D, 0xC9, 0x20, 0x2F, 0x1B, 0x82, 0x1A, 0x7D, 0xF5, 0xCF, 0x52, 0xA8, 0xD2, 0xA4, 0xB4, 0x0B,
                0x31, 0x97, 0x57, 0x19, 0x34, 0xDF, 0x5B, 0x41, 0x58, 0x49, 0xAA, 0x5F, 0x0A, 0xEF, 0x88, 0x01,
                0xDC, 0x95, 0xD4, 0xAF, 0x7B, 0xE3, 0x11, 0x8E, 0x9D, 0x16, 0x61, 0x8C, 0x84, 0x3C, 0x1F, 0x5A,
                0x02, 0x4F, 0x39, 0xFE, 0x04, 0x07, 0x5C, 0x8B, 0xEE, 0x66, 0x33, 0xC4, 0xC8, 0x59, 0xB5, 0x5D,
                0xC2, 0x6C, 0xF6, 0x4D, 0xFB, 0xAE, 0x4A, 0x4B, 0xF3, 0x35, 0x2C, 0xCA, 0x21, 0x78, 0x3B, 0x03,
                0xFD, 0x24, 0xBD, 0x25, 0x37, 0x29, 0xAC, 0x4E, 0xF9, 0x92, 0x3A, 0x32, 0x4C, 0xDA, 0x06, 0x5E,
                0x00, 0x94, 0x60, 0xEC, 0x17, 0x98, 0xD7, 0x3E, 0xCB, 0x6A, 0xA9, 0xD9, 0x9C, 0xBB, 0x08, 0x8F,
                0x40, 0xA0, 0x6F, 0x55, 0x67, 0x87, 0x54, 0x80, 0xB2, 0x36, 0x47, 0x22, 0x44, 0x63, 0x05, 0x6B,
                0xF0, 0x0F, 0xC7, 0x90, 0xC5, 0x65, 0xE2, 0x64, 0xFA, 0xD5, 0xDB, 0x12, 0x7A, 0x0E, 0xD8, 0x7E,
                0x99, 0xD1, 0xE8, 0xD6, 0x86, 0x27, 0xBF, 0xC1, 0x6E, 0xDE, 0x9A, 0x09, 0x0D, 0xAB, 0xE1, 0x91,
                0x56, 0xCD, 0xB3, 0x76, 0x0C, 0xC3, 0xD3, 0x9F, 0x42, 0xB6, 0x9B, 0xE5, 0x23, 0xA7, 0xAD, 0x18,
                0xC6, 0xF4, 0xB8, 0xBE, 0x15, 0x43, 0x70, 0xE0, 0xE7, 0xBC, 0xF1, 0xBA, 0xA5, 0xA6, 0x53, 0x75,
                0xE4, 0xEB, 0xE6, 0x85, 0x14, 0x48, 0xDD, 0x38, 0x2A, 0xCC, 0x7F, 0xB1, 0xC0, 0x71, 0x96, 0xF8,
                0x3F, 0x28, 0xF2, 0x69, 0x74, 0x68, 0xB7, 0xA3, 0x50, 0xD0, 0x79, 0x1D, 0xFC, 0xCE, 0x8A, 0x8D,
                0x2E, 0x62, 0x30, 0xEA, 0xED, 0x2B, 0x26, 0xB9, 0x81, 0x7C, 0x46, 0x89, 0x73, 0xA2, 0xF7, 0x72
};


CMapCoding::CMapCoding(void)
{
        Reset();
}
//转自 棋牌基地 http://www.2qipai.com
CMapCoding::~CMapCoding(void)
{
}

void CMapCoding::Reset()
{
        m_cbEncodeRound                = 0;
        m_cbDecodeRound                = 0;
}

bool CMapCoding::Encode( unsigned char* pDataBuffer,
                                                const int& wDataSize,
                                                unsigned char& cbVerifyCode )
{
        cbVerifyCode = 0;
        for (int i=0; i<wDataSize; ++i)
        {
                cbVerifyCode += pDataBuffer;
                pDataBuffer = EncodeByte(pDataBuffer);
        }
        return true;
}

bool CMapCoding:ecode( unsigned char* pDataBuffer,
                                                const int& wDataSize,
                                                unsigned char& cbVerifyCode )
{
        cbVerifyCode = 0;
        for (int i=0; i<wDataSize; ++i)
        {
                pDataBuffer = DecodeByte(pDataBuffer);
                cbVerifyCode += pDataBuffer;
        }
        return true;
}

unsigned char CMapCoding::EncodeByte( const unsigned char cbData )
{
        unsigned char cbMap = ENCODE_BYTE_MAP[ (unsigned char)(cbData + m_cbEncodeRound) ];
        m_cbEncodeRound += 3;
        return cbMap;
}

unsigned char CMapCoding:ecodeByte( const unsigned char cbData )
{
        unsigned char cbMap = DECODE_BYTE_MAP[cbData] - m_cbDecodeRound;
        m_cbDecodeRound += 3;
        return cbMap;
}

/**********************************************************************
* Copyright (C) 2008 -  - All Rights Reserved
*
* 文件名称:                XORCoding.cpp
* 摘    要:                异或加密解密器
*    
* 作    者:                ,
* 修    改:                查看文件最下方.
*
***********************************************************************/

#include "StdAfx.h"
#include "XORCoding.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif



//////////////////////////////////////////////////////////////////////////
/// 公共密钥
//////////////////////////////////////////////////////////////////////////
static const DWORD XOR_PUBLIC_KEY = 0xA55AA55A;


CXorCoding::CXorCoding(void)
{
        Reset();
}

CXorCoding::~CXorCoding(void)
{
}

void CXorCoding::Reset()
{
        m_dwEncodeKey                = 0x12345678;
        m_dwDecodeKey                = 0x12345678;
}

void CXorCoding::RandomSeed()
{
        GUID guid;
        CoCreateGuid(&guid);

        DWORD dwXorKey = m_dwEncodeKey;

        dwXorKey        = GetTickCount() * GetTickCount();
        dwXorKey        ^= guid.Data1;
        dwXorKey        ^= guid.Data2;
        dwXorKey        ^= guid.Data3;
        dwXorKey        ^= *((DWORD*)guid.Data4);

        //随机映射种子
        dwXorKey = SeedRandMap((WORD)dwXorKey);

        dwXorKey        |= ((DWORD)SeedRandMap((WORD)(dwXorKey >> 16))) << 16;
        dwXorKey        ^= XOR_PUBLIC_KEY;

        m_dwEncodeKey        = dwXorKey;
        m_dwDecodeKey        = dwXorKey;
}

WORD CXorCoding::SeedRandMap( WORD wSeed )
{
        DWORD dwHold = wSeed;
        return (WORD)((dwHold = dwHold * 241103L + 2533101L) >> 16);
}

DWORD CXorCoding::Encode( DWORD* pdwXor, WORD wEncrypCount, WORD* pwSeed )
{
        DWORD dwXorKey = m_dwEncodeKey;
        const DWORD dwOldXorKey = m_dwEncodeKey;

        for (int i=0; i<wEncrypCount; ++i)
        {
                *pdwXor++ ^= dwXorKey;
                dwXorKey = SeedRandMap(*pwSeed++);
                dwXorKey |= ((DWORD)SeedRandMap(*pwSeed++)) << 16;
                dwXorKey ^= XOR_PUBLIC_KEY;
        }

        m_dwEncodeKey = dwXorKey;

        return dwOldXorKey;
}

DWORD CXorCoding:ecode(DWORD* pdwXor,
                                                 WORD wEncrypCount,
                                                 WORD* pwSeed,
                                                 WORD wSnapCount,
                                                 unsigned char* pcbDataBuffer,
                                                 WORD wDataSize)
{
        DWORD dwXorKey = m_dwDecodeKey;

        for (WORD i=0; i<wEncrypCount; i++)
        {
                if ((i==(wEncrypCount-1)) && (wSnapCount>0))
                {
                        unsigned char* pcbKey = ((unsigned char*)&m_dwDecodeKey) + sizeof(DWORD) - wSnapCount;
                        CopyMemory(pcbDataBuffer+wDataSize, pcbKey, wSnapCount);
                }

                dwXorKey        = SeedRandMap(*pwSeed++);
                dwXorKey        |= ((DWORD)SeedRandMap(*pwSeed++)) << 16;
                dwXorKey        ^= XOR_PUBLIC_KEY;
                *pdwXor++        ^= m_dwDecodeKey;

                m_dwDecodeKey = dwXorKey;
        }

        return m_dwDecodeKey;
}

void CXorCoding::SetKey( DWORD dwEncodeKey, DWORD dwDecodeKey )
{
        m_dwEncodeKey = dwEncodeKey;
        m_dwDecodeKey = dwDecodeKey;
}


学习中请遵守法律法规,本网站内容均来自于互联网,本网站不负担法律责任
棋牌游戏 网络 数据 加密解密 算法
#1楼
发帖时间:2016-7-9   |   查看数:0   |   回复数:0
游客组