Archive for the ‘Cryptanalysts’ Category

Cyper is not a movie like it claims to be on the cover. By reading it I thought that the movie would have some kind of reference or scenes to encryption, cryptography, code breaking. I was thoroughly dissapointed because it had none. The essence of the movie is uncovering some secret information residing in a […]

Jefferson Disk


Jefferson disk is an amazing cryptographic system. Rather than just plain substitution like in the Caesar cipher Jefferson used a primitive “key” which is a novel idea at that time IMO. If you think about it a little bit, it’s doesn’t suffer any form of popular cryptanalyst attacks (ciphertext only, known plaintext, and chosen plaintext). […]