Solitaire Cyphers are the one that stuck with me from Cryptonomicon. iirc, there's supposed to be enough combinations in a shuffled deck of cards that every tim

Solitaire Cyphers are the one that stuck with me from Cryptonomicon. iirc, there's supposed to be enough combinations in a shuffled deck of cards that every time anyone shuffles a deck, it should be a unique ordering. https://www.schneier.com/academic/solitaire/ https://www.schneier.com/academic/solitaire/