原文出处：
http://tx7do.blogchina.com/1068902.html取自部分章节的内容。
#include "stdio.h"
int main(int argc, char* argv[])
{
char chKey[128] = {0};
unsigned int unXORCode, unRemainder, unQuotient, unTmp, unMachineCode;
printf("Please Key in the Machine Code: ");
scanf("%d", &unMachineCode);
unXORCode = unMachineCode ^ 0x90909090;
unRemainder = unXORCode % 0x25;
unQuotient = unXORCode;
if (unRemainder < 0x11)
{
unRemainder += 0x11;
}
int i;
i = 0;
while (unQuotient != 0)
{
unTmp = unQuotient % unRemainder;
unQuotient /= unRemainder;
if (unTmp >= 0xa)
{
unTmp = unTmp + 0x61 + 0xf6;
unTmp &= 0x0ff;
chKey
= unTmp;
}
else
{
chKey = unTmp + 0x30;
}
i++;
}
printf("Key is: ");
while (i >= 0)
{
printf("%c", chKey);
i--;
}
printf(" ");
return 0;
}
//以上代码紧供学习使用，不得用于商业目的。[ 此贴被fanyu在2005-11-21 16:53重新编辑 ]
