Is it possible to design a (pen and paper) cipher that is secure against government cryptanalysis for at least 10 years?

ERROR: Earth.exe has crashed@lemmy.dbzer0.com to

No Stupid Questions@lemmy.worldEnglish · 16 hours ago

I know theres AES and PGP, but all electronics stuff still has backdoors. You can’t backdoor a piece of paper and a writing utensil.

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14 hours ago
The Navajo did pretty well in WWII

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