Cryptography | Cipher Machine GretacodersteemCreated with Sketch.

in #security • 7 years ago

Gretacoder

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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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