天堂2文件校验算法的代码（转别人的） [复制链接]

DWORD L2FileCheck(char *file) Zy<0'k%U  
{ Zy<0'k%U  
DWORD Check=0xFFFFFFFF; Zy<0'k%U  
HANDLE hFile; Zy<0'k%U  
DWORD dwFileSize; Zy<0'k%U  
DWORD dwNumberOfBytesReadWritten; Zy<0'k%U  
HANDLE hMemory; Zy<0'k%U  
LPVOID pMemory; Zy<0'k%U  
char filename[MAX_PATH]; Zy<0'k%U  
BYTE *temp; Zy<0'k%U  
BYTE temp1,temp2; Zy<0'k%U  
int Max=0,Min=0; Zy<0'k%U  
temp =(unsigned char *)malloc(0x1000); Zy<0'k%U  
hFile=CreateFile(file, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_ARCHIVE, 0); Zy<0'k%U  
if(hFile != INVALID_HANDLE_value) Zy<0'k%U  
{ Zy<0'k%U  
dwFileSize=GetFileSize(hFile, NULL); Zy<0'k%U  
hMemory=GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, dwFileSize); Zy<0'k%U  
pMemory=GlobalLock(hMemory); Zy<0'k%U  
Max = (dwFileSize-0x14)/0x1000; Zy<0'k%U  
Min = (dwFileSize-0x14)%0x1000; Zy<0'k%U  
for(int j=0;j<Max;j++) Zy<0'k%U  
{ Zy<0'k%U  
ReadFile(hFile,pMemory,0x1000,&dwNumberOfBytesReadWritten,NULL); Zy<0'k%U  
memcpy(temp,pMemory,0x1000); Zy<0'k%U  
for(int k=0;k<0x1000;k++) Zy<0'k%U  
{ Zy<0'k%U  
temp1=*(BYTE *)(temp+k); Zy<0'k%U  
temp2=(Check&0x000000FF) ^ temp1; Zy<0'k%U  
Check=(Check >> 8) ^ FileCheck[temp2]; Zy<0'k%U  
} Zy<0'k%U  
} Zy<0'k%U  
ReadFile(hFile,pMemory,Min,&dwNumberOfBytesReadWritten,NULL); Zy<0'k%U  
memcpy(temp,pMemory,0x1000); Zy<0'k%U  
for(j=0;j<Min;j++) Zy<0'k%U  
{ Zy<0'k%U  
BYTE temp1,temp2; Zy<0'k%U  
temp1=*(BYTE *)(temp+j); Zy<0'k%U  
temp2=(Check&0x000000FF) ^ temp1; Zy<0'k%U  
Check=(Check >> 8) ^ FileCheck[temp2]; Zy<0'k%U  
} Zy<0'k%U  
_asm { Zy<0'k%U  
push ecx Zy<0'k%U  
mov ecx,Check Zy<0'k%U  
not ecx Zy<0'k%U  
mov Check,ecx Zy<0'k%U  
pop ecx Zy<0'k%U  
} Zy<0'k%U  
CloseHandle(hFile); Zy<0'k%U  
GlobalUnlock(pMemory); Zy<0'k%U  
GlobalFree(hMemory); Zy<0'k%U  
free(temp); Zy<0'k%U  
return Check; Zy<0'k%U  
} Zy<0'k%U  
else Zy<0'k%U  
{ Zy<0'k%U  
return 0; Zy<0'k%U  
} Zy<0'k%U  
} Zy<0'k%U  

看不懂

哎，郁闷，我还以为是EXP的~