prt
October 1st, 2003, 05:28
how to brute force DES 40bit cipher text?
View Full Version : DES 40bit
[Originally Posted by prt]how to brute force DES 40bit cipher text? |
__int64 key,keymax=1;
keymax<<=40;
for (key=0; key<keymax; ++keymax)
if (!memcmp(DESdecrypt(message, key),knownplaintext,messagelen))
break;
print(key);