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Diffie-Hellman Key Exchange

Art of the Problem2 HN recommenders · 2012–2016
547K views · explainer · evergreen · Uploaded 2012-02-24

A short Art of the Problem clip explaining Diffie-Hellman key exchange, using a paint mixing analogy for one-way functions and touching on modular arithmetic and discrete logarithms.

Recommended as a simple, non-mathematical way to understand key exchange.

Cryptography

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3 comments from Hacker News

@n3x2012 · in “Ask HN: How do you avoid literally Man-in-the-Middle actack?”

[VIDEO] can't just proxy it. the attacker can force his own certificate, but as previously said, ssl ev should solve it by making the user aware something is wrong in the address bar.

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@bradford2013 · in “A non-mathematical explanation of one way functions”

For non-mathematical explanations I liked this video, which uses a paint mixing analogy to explain the one way functions: [VIDEO]

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@zappo29382016 · in “How to Backdoor Diffie-Hellman”

Diffie-Hellman explained to me like I'm 5 using colors. Public Key Cryptography: Diffie-Hellman Key Exchange ( [VIDEO] )

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