Cryptography | Cipher Machine GretacodersteemCreated with Sketch.

in #security • 7 years ago

Gretacoder

image

Gretacoder 805 is another better example of electronic cipher machines. Which is the invention of Edgar Gretener. This cipher machine was mounted in standard briefcase and incorporates just little printer.

#cryptography #worldwar #history
7 years ago in #security by
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