Diffie-Hellman Key Exchange is a method that allows two parties to securely share a secret key over a public channel, using mathematical principles based on modular arithmetic and discrete logarithms. This technique is foundational for creating secure communication channels, as it enables both parties to generate a shared key that can be used for encrypting messages without ever transmitting the key itself. The security of the Diffie-Hellman method relies on the difficulty of solving the discrete logarithm problem.
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