[cryptography] Minimally Sufficient Cryptosystem
alserkli at inbox.ru
Tue Jul 5 13:23:42 EDT 2011
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"
One can see it as a hint that building a keyless pseudorandom
permutation is not simpler than encryption.
More information about the cryptography