Cryptanalytic devices

Early British cryptanalysis computer

physical computing device

thumb|220px|A wartime picture of a Bletchley Park Bombe

device used for encryption

codebreaking device created at Polish Cipher Bureau

machine to break the DES cypher by brute force

secure area of a main processor

cryptanalysis computer

method for decrypting German Enigma ciphers

thumbnail|200px|right|FROSTBURG on display at the National Cryptologic Museum. The light panels were used to check the usage of the processing nodes, and to run diagnostics. FROSTBURG was a Connection Machine 5 (CM-5) massively parallel supercomputer used by the US National Security Agency (NSA) to perform mathematical calculations. The CM-5 was built by the Thinking Machines Corporation, based in Cambridge, Massachusetts, at a cost of US$25 million. The system was installed at NSA in 1991, and operated until 1997. It was the first massively parallel processing computer bought by NSA, original