CRC32 0xEDB88320

const unsigned int crc32table[256] =
{
	0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,   /* 0x00 */
	0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,   /* 0x04 */
	0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,   /* 0x08 */
	0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,   /* 0x0C */
	0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,   /* 0x10 */
	0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,   /* 0x14 */
	0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,   /* 0x18 */
	0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,   /* 0x1C */
	0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,   /* 0x20 */
	0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,   /* 0x24 */
	0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,   /* 0x28 */
	0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,   /* 0x2C */
	0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,   /* 0x30 */
	0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,   /* 0x34 */
	0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,   /* 0x38 */
	0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,   /* 0x3C */
	0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,   /* 0x40 */
	0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,   /* 0x44 */
	0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,   /* 0x48 */
	0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,   /* 0x4C */
	0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,   /* 0x50 */
	0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,   /* 0x54 */
	0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,   /* 0x58 */
	0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,   /* 0x5C */
	0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,   /* 0x60 */
	0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,   /* 0x64 */
	0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,   /* 0x68 */
	0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,   /* 0x6C */
	0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,   /* 0x70 */
	0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,   /* 0x74 */
	0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,   /* 0x78 */
	0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,   /* 0x7C */
	0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,   /* 0x80 */
	0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,   /* 0x84 */
	0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,   /* 0x88 */
	0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,   /* 0x8C */
	0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,   /* 0x90 */
	0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,   /* 0x94 */
	0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,   /* 0x98 */
	0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,   /* 0x9C */
	0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,   /* 0xA0 */
	0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,   /* 0xA4 */
	0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,   /* 0xA8 */
	0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,   /* 0xAC */
	0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,   /* 0xB0 */
	0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,   /* 0xB4 */
	0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,   /* 0xB8 */
	0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,   /* 0xBC */
	0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,   /* 0xC0 */
	0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,   /* 0xC4 */
	0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,   /* 0xC8 */
	0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,   /* 0xCC */
	0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,   /* 0xD0 */
	0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,   /* 0xD4 */
	0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,   /* 0xD8 */
	0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,   /* 0xDC */
	0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,   /* 0xE0 */
	0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,   /* 0xE4 */
	0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,   /* 0xE8 */
	0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,   /* 0xEC */
	0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,   /* 0xF0 */
	0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,   /* 0xF4 */
	0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,   /* 0xF8 */
	0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D,   /* 0xFC */
};
void CalculateCrc32( const unsigned char *address,unsigned int size, unsigned char *unCRC)
{
	//http://xk-gg.blog.163.com/blog/static/1954878320074281325900/
	DWORD dwTempCrc = 0xFFFFFFFF;
	
	while(size--)
	{
		dwTempCrc = (dwTempCrc >> 8)^crc32table[(dwTempCrc^(*address)) & 0xFF];
	    address++;
	}

	dwTempCrc=dwTempCrc^ 0xFFFFFFFF;
	unCRC[0]=(dwTempCrc&0xff000000)>>24;
	unCRC[1]=(dwTempCrc&0x00ff0000)>>16;
	unCRC[2]=(dwTempCrc&0x0000ff00)>>8;
	unCRC[3]=dwTempCrc&0x000000ff;

	return ;
}

int CalculateFileCrc32(char *FileName, BYTE *unCRC)
{
	int iRet = 0;
	DWORD CRC = 0xFFFFFFFF;
	int iFileSize = 0;
	int iRealRead = 0;
	BYTE byBuff[513];

	memset(byBuff, 0, sizeof(byBuff));
	FILE *fp = NULL;
	fp = fopen(FileName, "rb");
	if (NULL == fp)
		return 1;
	fseek(fp, 0, SEEK_END);
	iFileSize = ftell(fp);
	fseek(fp, SEEK_SET, 0);
	for(;;)
	{
		iRealRead = fread(byBuff, 1, 512, fp);
		if (iRealRead > 0)
		{
			for (int i = 0; i < iRealRead; i++)
			{
				CRC = crc32table[((CRC & 0xFF) ^ byBuff[i])] ^ (CRC >> 8);
			}
		}
		else
			break;
	}
	CRC = CRC ^ 0xFFFFFFFF;

	unCRC[0]=(CRC&0xff000000)>>24;
	unCRC[1]=(CRC&0x00ff0000)>>16;
	unCRC[2]=(CRC&0x0000ff00)>>8;
	unCRC[3]=CRC&0x000000ff;

	return 0;
}

参考资料：http://xk-gg.blog.163.com/blog/static/1954878320074281325900/

生成CRC32表：

void MakeTable()//动态生成CRC32的码表
{
   int i,j;
   unsigned long crc;
   for (i = 0; i < 256; i++)
    {
        crc = i;
        for (j = 0; j < 8; j++)
        {
            if (crc & 1)
                crc = (crc >> 1) ^ 0xEDB88320;
            else
                crc >>= 1;
        }
        Crc32Table[i] = crc;
    }
}