[Cryptography] Brainstorming for encrypted text messaging ideas...with a twist
mok-kong shen
mok-kong.shen at t-online.de
Sun Jun 18 04:44:33 EDT 2017
Am 18.06.2017 um 02:04 schrieb Grant Schultz:
> That's why I was aiming for a device that could show a line of text on
> a physical display (perhaps a stack of wheels of some sort), so that
> the ciphertext could just be photographed right off the device.
That should be easily doable e.g. via 5-channel paper tapes, which
around 1960s were widely
used in computer processing: Have your OTP and plaintext both be punched
on tapes, constuct
a simple mechanical device to read in the 2 tapes and do the xoring and
let the result be printed
out.
M. K. Shen
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