Exploring Diffie-Hellman Encryption
Communicating "in the clear", Alice and Bob select two numbers, q and n. Alice then selects the secret number xa. Bob selects the secret number xb. From the two public numbers, q and n, and her secret number xa, Alice calculates ya and sends the number to Bob. Using the same two public numbers, q and n, and his secret number xb, Bob calculates yb and sends the number to Alice. Alice and Bob have completed step one of the Diffie-Hellman process.
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