On 7/23/2012 3:19 AM, Johan Wevers wrote: > That would be true if DES was a group, which it is not. That's why 3DES > is more secure than single DES. D'oh. I don't know offhand which cipher I was thinking of (it's 3:30am and I'm about to hit the sack), but you're right, clearly I could not be thinking of DES.