3 ms·
Makes a good hide-in-plain sight crypto key. I could see James Bond using this and destroying the key as the bad guys approach with a little 52 pickup.
by efsavage 15y ago
Makes a good hide-in-plain sight crypto key. I could see James Bond using this and destroying the key as the bad guys approach with a little 52 pickup.
- jellicle 15y agoDone! http://www.schneier.com/solitaire.html http://www.schneier.com/solitaire.html
- decklin 15y agoIn particular, If the secret police starts breaking down your door, just calmly shuffle the deck. (Don't throw it up in the air; you'd be surprised how much of the deck ordering is maintained during a game of 52-Pickup.)
- dantheman 15y agoThis is a plot point in Neal Stephenson's Cryptonomicon.
- brudgers 15y agoI believe there is also an appendix providing details.
- deleted 15y ago[deleted]
- ColinWright 15y agoDon't think so. 52! is about 10^68, which is over 225 bits. log2(52!) ~ log2((52/e)^52.sqrt(2.pi.52)) ~ 225.58