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You’ve Heard of X25519, But What’s So Special About X448?

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Elliptic curve methods are now used extensively in cybersecurity, and your connection to this web page probably uses elliptic curve methods for its key exchange. Normally for a secure connection, we will use something like AES for the main encryption, and where the key is negotiated with ECDH (Elliptic Curve Diffie Hellman).