2min chapter

Lex Fridman Podcast cover image

#301 – Jack Barsky: KGB Spy

Lex Fridman Podcast

CHAPTER

Is There a One Time Pad?

This is what's called a one time pad. I had to use iodine to make those numbers visible. Those are known to be, uh, unbreakable unless they are used multiple times. The person who encrypts has the same set of numbers of the person who decrypts. And one, one, one time use, you cannot figure out what the message is. But this is a quick way to communicate for one person to another one time. Yes. Well, it's not to optimize cryptographic security. It's to optimize balance security and like humans being able to actually do that.

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