// COMPLETE THREAD

Re: something I've always wondered

1 expanded post · every known parent and child

NODE c7850dd9Re: something I've always wondered danisch@ira.uka.de (Hadmut Danisch)Wed, 22 Jun 94 00:33:31 PDT

> Does DES (or name your favorite encryption algorithm) produce as output  
> all possible cyphertexts of length L, given all possible conbinations of  
> keys and plaintexts of length L?

Choose any cyphertext and a random key and decrypt the cyphertext with that
key. Now you have a key and a plaintext which produce this cyphertext.

Hadmut