本帖最后由 hotpower 于 2010-8-7 13:37 编辑
雁塔菜农 12:54:48
在网上随便下载一个“CRC运算器”俺指挥你破解，否则说俺骗人
shine 12:54:59
好的 。我来试试看
shine 12:55:17
不过 从来没有敢质疑你
雁塔菜农 12:55:23
看看俺的HotAjax是否厉害。
只告诉我CRCXX
雁塔菜农 12:55:52
哈哈~~~
file:///E:/工具/腾迅qq/1270688699/Image/O$UY3CGZ%25WT14FAL1R5PS~F.jpg
雁塔菜农 12:55:59
同时测试
shine 12:56:16
稍等
shine 12:58:21
0000
shine 12:58:27
1021
shine 12:58:39
9188
雁塔菜农 12:58:41
必须4点
shine 12:59:10
1EF0
雁塔菜农 12:59:29
0000102191881ef0
雁塔菜农 12:59:58
右移CRC16=X16+X15+X2+1
shine 13:00:06
省了
shine 13:00:08
厉害
shine 13:00:10
哈哈
雁塔菜农 13:00:12
右移CRC16=X16+X15+X2+1
CRCR16_A001_0000_0000
右移CRC16=X16+X15+X2+1
CRCR16_A001_0000_0000
右移CRC16=X16+X15+X2+1
CRCR16_A001_0000_0000
CRCR16_A001_0000_0000
右移CRC16=X16+X15+X2+1
右移CRC16逆向成功
shine 13:00:14
老hot 就是猛
雁塔菜农 13:00:36
选择功能13：CRC位域表及算法
//CRC位域8表(小端):
const unsigned int CRCR16_A001_Table[256] = {
0x0000,0xC0C1,0xC181,0x0140,0xC301,0x03C0,0x0280,0xC241,0xC601,0x06C0,0x0780,0xC741,0x0500,0xC5C1,0xC481,0x0440,
0xCC01,0x0CC0,0x0D80,0xCD41,0x0F00,0xCFC1,0xCE81,0x0E40,0x0A00,0xCAC1,0xCB81,0x0B40,0xC901,0x09C0,0x0880,0xC841,
0xD801,0x18C0,0x1980,0xD941,0x1B00,0xDBC1,0xDA81,0x1A40,0x1E00,0xDEC1,0xDF81,0x1F40,0xDD01,0x1DC0,0x1C80,0xDC41,
0x1400,0xD4C1,0xD581,0x1540,0xD701,0x17C0,0x1680,0xD641,0xD201,0x12C0,0x1380,0xD341,0x1100,0xD1C1,0xD081,0x1040,
0xF001,0x30C0,0x3180,0xF141,0x3300,0xF3C1,0xF281,0x3240,0x3600,0xF6C1,0xF781,0x3740,0xF501,0x35C0,0x3480,0xF441,
0x3C00,0xFCC1,0xFD81,0x3D40,0xFF01,0x3FC0,0x3E80,0xFE41,0xFA01,0x3AC0,0x3B80,0xFB41,0x3900,0xF9C1,0xF881,0x3840,
0x2800,0xE8C1,0xE981,0x2940,0xEB01,0x2BC0,0x2A80,0xEA41,0xEE01,0x2EC0,0x2F80,0xEF41,0x2D00,0xEDC1,0xEC81,0x2C40,
0xE401,0x24C0,0x2580,0xE541,0x2700,0xE7C1,0xE681,0x2640,0x2200,0xE2C1,0xE381,0x2340,0xE101,0x21C0,0x2080,0xE041,
0xA001,0x60C0,0x6180,0xA141,0x6300,0xA3C1,0xA281,0x6240,0x6600,0xA6C1,0xA781,0x6740,0xA501,0x65C0,0x6480,0xA441,
0x6C00,0xACC1,0xAD81,0x6D40,0xAF01,0x6FC0,0x6E80,0xAE41,0xAA01,0x6AC0,0x6B80,0xAB41,0x6900,0xA9C1,0xA881,0x6840,
0x7800,0xB8C1,0xB981,0x7940,0xBB01,0x7BC0,0x7A80,0xBA41,0xBE01,0x7EC0,0x7F80,0xBF41,0x7D00,0xBDC1,0xBC81,0x7C40,
0xB401,0x74C0,0x7580,0xB541,0x7700,0xB7C1,0xB681,0x7640,0x7200,0xB2C1,0xB381,0x7340,0xB101,0x71C0,0x7080,0xB041,
0x5000,0x90C1,0x9181,0x5140,0x9301,0x53C0,0x5280,0x9241,0x9601,0x56C0,0x5780,0x9741,0x5500,0x95C1,0x9481,0x5440,
0x9C01,0x5CC0,0x5D80,0x9D41,0x5F00,0x9FC1,0x9E81,0x5E40,0x5A00,0x9AC1,0x9B81,0x5B40,0x9901,0x59C0,0x5880,0x9841,
0x8801,0x48C0,0x4980,0x8941,0x4B00,0x8BC1,0x8A81,0x4A40,0x4E00,0x8EC1,0x8F81,0x4F40,0x8D01,0x4DC0,0x4C80,0x8C41,
0x4400,0x84C1,0x8581,0x4540,0x8701,0x47C0,0x4680,0x8641,0x8201,0x42C0,0x4380,0x8341,0x4100,0x81C1,0x8081,0x4040
};
//CRC位域8查表算法(小端):
unsigned int GetCRCR16_A001_0000_0000_Table(unsigned char *crcBuff, unsigned char crcLen) {
unsigned char i;
unsigned int crc = 0x0000;
for(i = 0; i < crcLen; i ++) {
crc = (crc >> 8) ^ CRCR16_A001_Table[(crc & 0xFF) ^ crcBuff];
}
return crc;
}
void main() {
const unsigned char dataTable[] = "\x00\x00\x00\x01\x00\x80\xFF\xFF";
unsigned int crc;
crc = GetCRCR16_A001_0000_0000_Table((unsigned char *)dataTable, sizeof(dataTable) - 1);
while(1);
}
雁塔菜农 13:00:45
//CRC位域4表(小端):
const unsigned int CRCR16_A001_Table[16] = {
0x0000,0xCC01,0xD801,0x1400,0xF001,0x3C00,0x2800,0xE401,0xA001,0x6C00,0x7800,0xB401,0x5000,0x9C01,0x8801,0x4400
};
//CRC位域4查表算法(小端):
unsigned int GetCRCR16_A001_0000_0000_Table(unsigned char *crcBuff, unsigned char crcLen) {
unsigned char i;
unsigned int crc = 0x0000;
unsigned char crcTemp;
for(i = 0; i < (crcLen * 2); i ++) {
if (i & 1) crcTemp = crcBuff[i >> 1] >> 4;
else crcTemp = crcBuff[i >> 1] & 0x0F;
crc = (crc >> 4) ^ CRCR16_A001_Table[(crc & 0x0F) ^ crcTemp];
}
return crc;
}
void main() {
const unsigned char dataTable[] = "\x00\x00\x00\x01\x00\x80\xFF\xFF";
unsigned int crc;
crc = GetCRCR16_A001_0000_0000_Table((unsigned char *)dataTable, sizeof(dataTable) - 1);
while(1);
}
雁塔菜农 13:01:12
哈哈~~~
雁塔菜农 13:02:16
程序俺瞬间为你编写好了~~~
把它复制的keil里看~~~
shine 13:02:34
超猛
shine 13:02:39
算法之王
雁塔菜农 13:02:43
编译或警告了来找俺赔款~~~
雁塔菜农 13:03:13
再找个CRC32的去，有兴趣再玩玩~~
shine 13:08:40
恩 。
shine 13:08:44
对了 hot
shine 13:08:51
有个项目中的问题请教
雁塔菜农 13:09:07
哈哈~~~，错了俺赔款~~~
shine 13:09:21
不会错
|
楼主
标题置顶
标题高亮
