> The BBC article stated that it was a particular model of 4-rotor > enigma, of which there are only three known.
There are many versions and variatons of the Enigma, e.g. Crypto-variations: - three or four wheels - number of wheels coming with the enigma (wheels could be changed, normally they came in an external box with up to 8 wheels. selection of wheels was part of the key) - connections within the wheels - construction of the wheel (1 or 3 "carry hooks") - with or without plugboard - 26 or 28 characters Technical variations: - with or without external display - kind of power supply Equipment variations: - kind of wooden box - kind of manual/instructions - does it come with a codebook? - kind and color of painting Historical differences: - commercial or military version - how is it/the box labeled - whom did it belong to - what was it used for - date of manufactoring - for which encryption/key changing protocols was it used for Hadmut --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]
