Ralph Seichter via Gnupg-users <gnupg-users@gnupg.org> wrote: > > * Stefan Vasilev via Gnupg-users: > > > How would you solve this task? > > With Alice having to rely on cryptography she can do in her head? > Some shift cipher and carrier pigeons. :-)
Neal Stephenson's novel Cryptonomicon is excellent. I strongly recommend it to anyone who enjoys reading & is interested in crypto. Part of the plot involves a cipher that operates a bit like RC-4, permuting an array, but the array is a deck of cards. https://www.schneier.com/academic/solitaire/ _______________________________________________ Gnupg-users mailing list Gnupg-users@gnupg.org http://lists.gnupg.org/mailman/listinfo/gnupg-users