#include "StdAfx.h"
#include "WHEncrypt.h"
//////////////////////////////////////////////////////////////////////////////////
//常量定义

//加密常量
#define S11							7									//数据常量
#define S12							12									//数据常量
#define S13							17									//数据常量
#define S14							22									//数据常量
#define S21							5									//数据常量
#define S22							9									//数据常量
#define S23 						14									//数据常量
#define S24 						20									//数据常量
#define S31 						4									//数据常量
#define S32 						11									//数据常量
#define S33 						16									//数据常量
#define S34 						23									//数据常量
#define S41 						6									//数据常量
#define S42 						10									//数据常量
#define S43 						15									//数据常量
#define S44 						21									//数据常量

//密钥长度
#define ENCRYPT_KEY_LEN				8									//密钥长度

//////////////////////////////////////////////////////////////////////////////////

//函数定义
#define H(x,y,z) ((x)^(y)^(z))
#define I(x,y,z) ((y)^((x)|(~z)))
#define F(x,y,z) (((x)&(y))|((~x)&(z)))
#define G(x,y,z) (((x)&(z))|((y)&(~z)))
#define ROTATE_LEFT(x,n) (((x)<<(n))|((x)>>(32-(n))))

//函数定义
#define FF(a,b,c,d,x,s,ac)												\
{																		\
    (a) += F((b), (c), (d)) + (x)+(ULONG)(ac);								\
    (a) = ROTATE_LEFT((a), (s));											\
    (a) += (b);															\
}

//函数定义
#define GG(a,b,c,d,x,s,ac)												\
{																		\
    (a) += G((b), (c), (d)) + (x)+(ULONG)(ac);								\
    (a) = ROTATE_LEFT((a), (s));											\
    (a) += (b);															\
}

//函数定义
#define HH(a,b,c,d,x,s,ac)												\
{																		\
    (a) += H((b), (c), (d)) + (x)+(ULONG)(ac);								\
    (a) = ROTATE_LEFT((a), (s));											\
    (a) += (b);															\
}

//函数定义
#define II(a,b,c,d,x,s,ac)												\
{																		\
    (a) += I((b), (c), (d)) + (x)+(ULONG)(ac);								\
    (a) = ROTATE_LEFT((a), (s));											\
    (a) += (b);															\
}

//////////////////////////////////////////////////////////////////////////////////

//加密映射
const BYTE g_cbEncryptMap[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
};

//解密映射
const BYTE g_cbCrevasseMap[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
};

//////////////////////////////////////////////////////////////////////////////////

//MD5 加密
class CMD5Aide
{
    //变量定义
private:
    ULONG							m_lCount[2];						//加密变量
    ULONG							m_lState[4];						//加密变量
    UCHAR							m_cbBuffer[64];						//加密变量
    UCHAR							m_cbPadding[64];					//加密变量

    //函数定义
public:
    //构造函数
    CMD5Aide() { MD5Init(); }

    //功能函数
public:
    //最终结果
    VOID MD5Final(BYTE digest[16]);
    //设置数值
    VOID MD5Update(BYTE * pcbInput, UINT inputLen);

    //内部函数
private:
    //初始化
    VOID MD5Init();
    //置位函数
    VOID MD5Memset(BYTE * pcbOutput, INT nValue, UINT nLen);
    //拷贝函数
    VOID MD5Memcpy(BYTE * pcbOutput, BYTE * pcbInput, UINT nLen);
    //转换函数
    VOID MD5Transform(ULONG lState[4], BYTE cbBlock[64]);

    //编码函数
private:
    //编码函数
    VOID Encode(BYTE * pcbOutput, ULONG * pcbInput, UINT nLen);
    //解码函数
    VOID Decode(ULONG * pcbOutput, BYTE * pcbInput, UINT nLen);
};

//////////////////////////////////////////////////////////////////////////////////

//初始化
VOID CMD5Aide::MD5Init()
{
    m_lCount[0] = 0;
    m_lCount[1] = 0;
    m_lState[0] = 0x67452301;
    m_lState[1] = 0xefcdab89;
    m_lState[2] = 0x98badcfe;
    m_lState[3] = 0x10325476;
    MD5Memset(m_cbPadding, 0, sizeof(m_cbPadding));
    *m_cbPadding = 0x80;

    return;
}

//更新函数
VOID CMD5Aide::MD5Update(BYTE * pcbInput, UINT inputLen)
{
    UINT i, nIndex, nPartLen;
    nIndex = (UINT)((this->m_lCount[0] >> 3) & 0x3F);
    if ((m_lCount[0] += ((ULONG)inputLen << 3)) < ((ULONG)inputLen << 3)) m_lCount[1]++;
    m_lCount[1] += ((ULONG)inputLen >> 29);
    nPartLen = 64 - nIndex;
    if (inputLen >= nPartLen)
    {
        MD5Memcpy((BYTE*)&m_cbBuffer[nIndex], (BYTE *)pcbInput, nPartLen);
        MD5Transform(m_lState, m_cbBuffer);
        for (i = nPartLen; i + 63 < inputLen; i += 64) MD5Transform(m_lState, &pcbInput[i]);
        nIndex = 0;
    }
    else i = 0;
    MD5Memcpy((BYTE*)&m_cbBuffer[nIndex], (BYTE *)&pcbInput[i], inputLen - i);

    return;
}

//最终结果
VOID CMD5Aide::MD5Final(BYTE digest[16])
{
    BYTE cbBits[8];
    UINT nIndex, nPartLen;
    Encode(cbBits, m_lCount, 8);
    nIndex = (UINT)((m_lCount[0] >> 3) & 0x3f);
    nPartLen = (nIndex < 56) ? (56 - nIndex) : (120 - nIndex);
    MD5Update(m_cbPadding, nPartLen);
    MD5Update(cbBits, 8);
    Encode(digest, m_lState, 16);
    MD5Memset((BYTE*)this, 0, sizeof (*this));
    MD5Init();

    return;
}

//转换函数
VOID CMD5Aide::MD5Transform(ULONG lState[4], BYTE cbBlock[64])
{
    ULONG a = lState[0], b = lState[1], c = lState[2], d = lState[3], x[16];
    Decode(x, cbBlock, 64);

    FF(a, b, c, d, x[0], S11, 0xd76aa478); /* 1 */
    FF(d, a, b, c, x[1], S12, 0xe8c7b756); /* 2 */
    FF(c, d, a, b, x[2], S13, 0x242070db); /* 3 */
    FF(b, c, d, a, x[3], S14, 0xc1bdceee); /* 4 */
    FF(a, b, c, d, x[4], S11, 0xf57c0faf); /* 5 */
    FF(d, a, b, c, x[5], S12, 0x4787c62a); /* 6 */
    FF(c, d, a, b, x[6], S13, 0xa8304613); /* 7 */
    FF(b, c, d, a, x[7], S14, 0xfd469501); /* 8 */
    FF(a, b, c, d, x[8], S11, 0x698098d8); /* 9 */
    FF(d, a, b, c, x[9], S12, 0x8b44f7af); /* 10 */
    FF(c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
    FF(b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
    FF(a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
    FF(d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
    FF(c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
    FF(b, c, d, a, x[15], S14, 0x49b40821); /* 16 */

    GG(a, b, c, d, x[1], S21, 0xf61e2562); /* 17 */
    GG(d, a, b, c, x[6], S22, 0xc040b340); /* 18 */
    GG(c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
    GG(b, c, d, a, x[0], S24, 0xe9b6c7aa); /* 20 */
    GG(a, b, c, d, x[5], S21, 0xd62f105d); /* 21 */
    GG(d, a, b, c, x[10], S22, 0x2441453);  /* 22 */
    GG(c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
    GG(b, c, d, a, x[4], S24, 0xe7d3fbc8); /* 24 */
    GG(a, b, c, d, x[9], S21, 0x21e1cde6); /* 25 */
    GG(d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
    GG(c, d, a, b, x[3], S23, 0xf4d50d87); /* 27 */
    GG(b, c, d, a, x[8], S24, 0x455a14ed); /* 28 */
    GG(a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
    GG(d, a, b, c, x[2], S22, 0xfcefa3f8); /* 30 */
    GG(c, d, a, b, x[7], S23, 0x676f02d9); /* 31 */
    GG(b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */

    HH(a, b, c, d, x[5], S31, 0xfffa3942); /* 33 */
    HH(d, a, b, c, x[8], S32, 0x8771f681); /* 34 */
    HH(c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
    HH(b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
    HH(a, b, c, d, x[1], S31, 0xa4beea44); /* 37 */
    HH(d, a, b, c, x[4], S32, 0x4bdecfa9); /* 38 */
    HH(c, d, a, b, x[7], S33, 0xf6bb4b60); /* 39 */
    HH(b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
    HH(a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
    HH(d, a, b, c, x[0], S32, 0xeaa127fa); /* 42 */
    HH(c, d, a, b, x[3], S33, 0xd4ef3085); /* 43 */
    HH(b, c, d, a, x[6], S34, 0x4881d05);  /* 44 */
    HH(a, b, c, d, x[9], S31, 0xd9d4d039); /* 45 */
    HH(d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
    HH(c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
    HH(b, c, d, a, x[2], S34, 0xc4ac5665); /* 48 */

    II(a, b, c, d, x[0], S41, 0xf4292244); /* 49 */
    II(d, a, b, c, x[7], S42, 0x432aff97); /* 50 */
    II(c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
    II(b, c, d, a, x[5], S44, 0xfc93a039); /* 52 */
    II(a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
    II(d, a, b, c, x[3], S42, 0x8f0ccc92); /* 54 */
    II(c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
    II(b, c, d, a, x[1], S44, 0x85845dd1); /* 56 */
    II(a, b, c, d, x[8], S41, 0x6fa87e4f); /* 57 */
    II(d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
    II(c, d, a, b, x[6], S43, 0xa3014314); /* 59 */
    II(b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
    II(a, b, c, d, x[4], S41, 0xf7537e82); /* 61 */
    II(d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
    II(c, d, a, b, x[2], S43, 0x2ad7d2bb); /* 63 */
    II(b, c, d, a, x[9], S44, 0xeb86d391); /* 64 */

    lState[0] += a;
    lState[1] += b;
    lState[2] += c;
    lState[3] += d;

    MD5Memset((BYTE *)x, 0, sizeof(x));

    return;
}

//编码函数
VOID CMD5Aide::Encode(BYTE * pcbOutput, ULONG * pcbInput, UINT nLen)
{
    UINT i, j;
    for (i = 0, j = 0; j < nLen; i++, j += 4)
    {
        pcbOutput[j] = (BYTE)(pcbInput[i] & 0xff);
        pcbOutput[j + 1] = (BYTE)((pcbInput[i] >> 8) & 0xff);
        pcbOutput[j + 2] = (BYTE)((pcbInput[i] >> 16) & 0xff);
        pcbOutput[j + 3] = (BYTE)((pcbInput[i] >> 24) & 0xff);
    }
    return;
}

//解码函数
VOID CMD5Aide::Decode(ULONG * pcbOutput, BYTE * pcbInput, UINT nLen)
{
    UINT i, j;
    for (i = 0, j = 0; j < nLen; i++, j += 4)
    {
        pcbOutput[i] = ((ULONG)pcbInput[j]) | (((ULONG)pcbInput[j + 1]) << 8) |
            (((ULONG)pcbInput[j + 2]) << 16) | (((ULONG)pcbInput[j + 3]) << 24);
    }
    return;
}

//拷贝函数
VOID CMD5Aide::MD5Memcpy(BYTE * pcbOutput, BYTE * pcbInput, UINT nLen)
{
    for (UINT i = 0; i < nLen; i++) pcbOutput[i] = pcbInput[i];
}

//置位函数
VOID CMD5Aide::MD5Memset(BYTE * pcbOutput, INT nValue, UINT nLen)
{
    for (UINT i = 0; i < nLen; i++) ((char *)pcbOutput)[i] = (char)nValue;
}

//////////////////////////////////////////////////////////////////////////////////

//构造函数
CWHEncrypt::CWHEncrypt()
{
}

//析构函数
CWHEncrypt::~CWHEncrypt()
{
}

const char CWHEncrypt::HEX[16] = {
	'0', '1', '2', '3',
	'4', '5', '6', '7',
	'8', '9', 'a', 'b',
	'c', 'd', 'e', 'f'
};

/* Convert byte array to hex string. */
std::string CWHEncrypt::bytesToHexString(const byte* input, size_t length) 
{
	std::string str="";
	str.reserve(length << 1);
	for (size_t i = 0; i < length; ++i) {
		int t = input[i];
		int a = t / 16;
		int b = t % 16;
		str.append(1, HEX[a]);
		str.append(1, HEX[b]);
	}

	return str;
}

//生成密文
bool CWHEncrypt::MD5Encrypt(LPCSTR pszSourceData, TCHAR szMD5Result[LEN_MD5])
{
	//变量定义
	CMD5Aide MD5Aide;
	UCHAR szResult[16];

	//加密密文
	MD5Aide.MD5Update((BYTE *)pszSourceData, lstrlenA(pszSourceData)*sizeof(CHAR));
	MD5Aide.MD5Final(szResult);

	//输出结果
	szMD5Result[0] = 0;
	//std::string str=bytesToHexString(szResult, 16);
	for (INT i = 0; i < 16; i++) _stprintf(&szMD5Result[i * 2], TEXT("%02X"), szResult[i]);

	return true;
}
//生成密文
bool CWHEncrypt::MD5Encrypt(LPCTSTR pszSourceData, TCHAR szMD5Result[LEN_MD5])
{
    //变量定义
    CMD5Aide MD5Aide;
    UCHAR szResult[16];
    CT2CA strSrcData(pszSourceData);

    //加密密文
    MD5Aide.MD5Update((BYTE *)((LPCSTR)strSrcData), lstrlenA(strSrcData)*sizeof(CHAR));
    MD5Aide.MD5Final(szResult);

    //输出结果
    szMD5Result[0] = 0;
    for (INT i = 0; i < 16; i++) _stprintf(&szMD5Result[i * 2], TEXT("%02X"), szResult[i]);

    return true;
}

//生成密文
bool CWHEncrypt::XorEncrypt(LPCTSTR pszSourceData, LPTSTR pszEncrypData, WORD wMaxCount)
{
    //变量定义
    CT2CW strSrcData(pszSourceData);
    WCHAR szEncrypData[MAX_ENCRYPT_LEN + 1] = L"";

    //生成密钥
    WORD wRandKey[ENCRYPT_KEY_LEN];
    wRandKey[0] = lstrlenW(strSrcData);
    for (WORD i = 1; i<CountArray(wRandKey); i++) wRandKey[i] = rand() % 0xFFFF;

    //步骤准备
    WORD wTempCode = 0;
    WORD wTimes = ((wRandKey[0] + ENCRYPT_KEY_LEN - 1) / ENCRYPT_KEY_LEN)*ENCRYPT_KEY_LEN;

    //参数效验
    ASSERT((wTimes * 8 + 1) <= wMaxCount);
    if ((wTimes * 8 + 1)>wMaxCount) return false;

    //生成密文
    for (WORD i = 0; i < wTimes; i++)
    {
        if (i < wRandKey[0]) wTempCode = strSrcData[i] ^ wRandKey[i%ENCRYPT_KEY_LEN];
        else wTempCode = wRandKey[i%ENCRYPT_KEY_LEN] ^ (WORD)(rand() % 0xFFFF);
        swprintf(szEncrypData + i * 8, L"%04X%04X", wRandKey[i%ENCRYPT_KEY_LEN], wTempCode);
    }

    //字符转换
    CW2CT strEncrypData(szEncrypData);
    lstrcpyn(pszEncrypData, strEncrypData, wMaxCount);

    return true;
}

//解开密文
bool CWHEncrypt::XorCrevasse(LPCTSTR pszEncrypData, LPTSTR pszSourceData, WORD wMaxCount)
{
    //设置结果
    pszSourceData[0] = 0;

    //变量定义
    CT2CW strEncrypData(pszEncrypData);
    WCHAR szSrcData[MAX_SOURCE_LEN] = L"";

    //效验长度
    WORD wEncrypPassLen = lstrlenW(strEncrypData);
    if (wEncrypPassLen < ENCRYPT_KEY_LEN * 8) return false;

    //提取长度
    WCHAR szTempBuffer[5] = L"";
    szTempBuffer[CountArray(szTempBuffer) - 1] = 0;
    CopyMemory(szTempBuffer, (LPCWSTR)strEncrypData, sizeof(WCHAR)* 4);

    //获取长度
    WCHAR * pEnd = NULL;
    WORD wSoureLength = (WORD)wcstol(szTempBuffer, &pEnd, 16);

    //长度效验
    ASSERT(wEncrypPassLen == (((wSoureLength + ENCRYPT_KEY_LEN - 1) / ENCRYPT_KEY_LEN)*ENCRYPT_KEY_LEN * 8));
    if (wEncrypPassLen != (((wSoureLength + ENCRYPT_KEY_LEN - 1) / ENCRYPT_KEY_LEN)*ENCRYPT_KEY_LEN * 8)) return false;

    //长度效验
    ASSERT((wSoureLength + 1) <= wMaxCount);
    if ((wSoureLength + 1) > wMaxCount) return false;

    //解开密码
    for (INT i = 0; i < wSoureLength; i++)
    {
        //获取密钥
        WCHAR szKeyBuffer[5];
        szKeyBuffer[CountArray(szKeyBuffer) - 1] = 0;
        szTempBuffer[CountArray(szTempBuffer) - 1] = 0;
        CopyMemory(szKeyBuffer, (LPCWSTR)(strEncrypData + i * 8), sizeof(WCHAR)* 4);
        CopyMemory(szTempBuffer, (LPCWSTR)strEncrypData + i * 8 + 4, sizeof(WCHAR)* 4);

        //提取密钥
        WCHAR wKey = (WCHAR)wcstol(szKeyBuffer, &pEnd, 16);
        WCHAR wEncrypt = (WCHAR)wcstol(szTempBuffer, &pEnd, 16);

        //生成原文
        szSrcData[i] = (WCHAR)((WCHAR)wKey ^ (WCHAR)wEncrypt);
    }

    //终止字符
    szSrcData[wSoureLength] = 0;

    //字符转换
    CW2CT strSrcData(szSrcData);
    lstrcpyn(pszSourceData, strSrcData, wMaxCount);

    return true;
}

//生成密文
bool CWHEncrypt::MapEncrypt(LPCTSTR pszSourceData, LPTSTR pszEncrypData, WORD wMaxCount)
{
    //效验参数
    ASSERT(wMaxCount > lstrlen(pszEncrypData));
    ASSERT((pszEncrypData != NULL) && (pszSourceData != NULL));

    //变量定义
    INT nLength = lstrlen(pszSourceData);
    BYTE * pcbEncrypData = (BYTE *)pszEncrypData;
    BYTE * pcbSourceData = (BYTE *)pszSourceData;

    //解密数据
    for (UINT i = 0; i < nLength*sizeof(TCHAR); i++)
    {
        BYTE cbIndex = pcbSourceData[i];
        pcbEncrypData[i] = g_cbEncryptMap[cbIndex];
    }

    //设置结果
    pszEncrypData[nLength] = 0;

    return true;
}

//解开密文
bool CWHEncrypt::MapCrevasse(LPCTSTR pszEncrypData, LPTSTR pszSourceData, WORD wMaxCount)
{
    //效验参数
    ASSERT(wMaxCount > lstrlen(pszEncrypData));
    ASSERT((pszEncrypData != NULL) && (pszSourceData != NULL));

    //变量定义
    INT nLength = lstrlen(pszEncrypData);
    BYTE * pcbEncrypData = (BYTE *)pszEncrypData;
    BYTE * pcbSourceData = (BYTE *)pszSourceData;

    //解密数据
    for (UINT i = 0; i < nLength*sizeof(TCHAR); i++)
    {
        BYTE cbIndex = pcbEncrypData[i];
        pcbSourceData[i] = g_cbCrevasseMap[cbIndex];
    }

    //设置结果
    pszSourceData[nLength] = 0;

    return true;
}

//////////////////////////////////////////////////////////////////////////////////