{
hash = hash + 2;
strncpy(pheader,hash,4);
printf("\nHeader\t\t: %s",pheader);
if(strlen(pheader)!=4)
return printf("%s",lerr);
hash = hash + 4;
strncpy(pkey,hash,8);
printf("\nRand key\t: %s",pkey);
if(strlen(pkey)!=8)
return printf("%s",lerr);
hash = hash + 8;
strncpy(pnorm,hash,40);
printf("\nNormal\t\t: %s",pnorm);
if(strlen(pnorm)!=40)
return printf("%s",lerr);
hash = hash + 40;
strncpy(pucase,hash,40);
printf("\nUpper Case\t: %s",pucase);
if(strlen(pucase)!=40)
return printf("%s",lerr);
strncpy(pucfirst,pucase,2);
sscanf(pucfirst,"%x",&cmp);
}
else
{
return printf("The password hash has an invalid format!\n");
}
printf("\n\n Trying...\n");
if(!CryptAcquireContextW(&hProv, NULL , NULL , PROV_RSA_FULL ,0))
{
if(GetLastError()==NTE_BAD_KEYSET)
{
// KeySet does not exist. So create a new keyset
if(!CryptAcquireContext(&hProv,
NULL,
NULL,
PROV_RSA_FULL,
CRYPT_NEWKEYSET ))
{
printf("FAILLLLLLL!!!");
return FALSE;
}
}
}
while(1)
{
// get a word to try from the file
ZeroMemory(wttf,44);
if(!fgets(wttf,40,fd))
return printf("\nEnd of password file. Didn't find the password.\n");
wd++;
len = strlen(wttf);
wttf[len-1]=0x00;
ZeroMemory(uwttf,84);
// Convert the word to UNICODE
while(count < len)
{
uwttf[cnt]=wttf[count];
cnt++;
uwttf[cnt]=0x00;
count++;
cnt++;
}
len --;
wp = &uwttf;
sscanf(pkey,"%x",&key);
cnt = cnt - 2;
// Append the random stuff to the end of
// the uppercase unicode password
t = key >> 24;
x = (unsigned char) t;
uwttf[cnt]=x;
cnt++;
t = key << 8;
t = t >> 24;
x = (unsigned char) t;
uwttf[cnt]=x;
cnt++;
t = key << 16;
t = t >> 24;
x = (unsigned char) t;
uwttf[cnt]=x;
cnt++;
t = key << 24;
t = t >> 24;
x = (unsigned char) t;
uwttf[cnt]=x;
cnt++;
// Create the hash
if(!CryptCreateHash(hProv, CALG_SHA, 0 , 0, &hHash))
{
printf("Error %x during CryptCreatHash!\n", GetLastError());
return 0;
}
if(!CryptHashData(hHash, (BYTE *)uwttf, len*2+4, 0))
{
printf("Error %x during CryptHashData!\n", GetLastError());
return FALSE;
}
CryptGetHashParam(hHash,HP_HASHVAL,(byte*)szhash,&hl,0);
// Test the first byte only. Much quicker.
if(szhash[0] == cmp)
{
// If first byte matches try the rest
ptr = pucase;
cnt = 1;
while(cnt < 20)
{
ptr = ptr + 2;
strncpy(pucfirst,ptr,2);
sscanf(pucfirst,"%x",&cmp);
if(szhash[cnt]==cmp)
cnt ++;
else
{
break;
}
}
if(cnt == 20)
{
// We've found the password
printf("\nA MATCH!!! Password is %s\n",wttf);
return 0;
}
}
count = 0;
cnt=0;
}
return 0;
}
……