On Tue, 5 Jul 2011, Scott Guthery wrote: > the following cryptosystem was minimally sufficient: > > XOR Key / Permutation / XOR Key
"A Construction of a Cipher From a Single Pseudorandom Permutation" <http://citeseer.ist.psu.edu/viewdoc/summary?doi=10.1.1.53.9789> One can see it as a hint that building a keyless pseudorandom permutation is not simpler than encryption. -- Regards, ASK _______________________________________________ cryptography mailing list [email protected] http://lists.randombit.net/mailman/listinfo/cryptography
