Optical One-Time Pad Decoding(youtube.com)
youtube.com
Optical One-Time Pad Decoding
https://www.youtube.com/watch?v=V3zzcAyAJZY
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This project shows how to make a small view screen that uses light to perform the logical operations needed to decrypt the unbreakable One-Time-Pad cypher. The video presents a little history to provide context, then shows the details of how optical logic gates can be made to do decryption.