Categories: Cryptographic attacks | Cryptanalytic devices HARVEST Harvest, also known as the IBM 7950, was a one-of-a-kind adjunct to the Stretch computer which was installed at the US National Security Agency. ... A Colossus Mark II computer. ... The Bombe replicated the action of several Enigma machines wired together. ... The bomba (plural bomby) was a special-purpose codebreaking machine designed by Polish cryptanalysts and used to crack the German Enigma machine prior to World War II. A bomba was designed to exploit an obscure but fatal weakness in the Enigma cipher. ... The EFFs US$250,000 DES cracking machine contained over 18,000 custom chips and could brute force a DES key in a matter of days — the photo shows a DES Cracker circuit board fitted with several Deep Crack chips In cryptography, the EFF DES cracker (nicknamed Deep... FROSTBURG on display at the National Cryptologic Museum. ...