An owl encrypting a message using a three-rotor Enigma.
A Japanese cipher machine called Purple that was cracked by the Allies prior to WWII.
A Japanese cipher machine referred to as Jade by the Allies.
An American M-209 pocket cipher device.
A single-rotor cipher machine designed by Edward Herber in his Oakland, CA machine shop.
Blinking lights on a Connection Machine.
The arm of a StorageTek tape archive filing a tape.
An owl hanging out on a retired Cray XMP-24 supercomputer.
The passive microphone used to eavesdrop on the American ambassator's residence in Moscow.
The Great Seal of the US in which the Soviets hid a passive microphone.
A mock-up of SIGSALY, an unbreakable voice encryption used by the allies in WWII.
A mock-up of the precision turntable system used to provide the keystream for SIGSALY.
A portable, electronic cipher machine.
A crypto ignition key (CIK) for storing keying material.
A pair of early secure telephones.
An American SIGABA cipher machine, all of which resisted Axis cryptanalysis during WWII.
Back (Photos, 2007)
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