Elliptic Curve Diffie-Hellman (ECDH) is an anonymous Key-Exchange protocol that allows two parties, each having an Elliptic Curve Public KeyPrivate Key pair, to establish a Shared Secret over an insecure channel.

This Shared Secret may be directly used as a key, or to derive another key. The key, or the derived key, can then be used to encrypt subsequent communications using a Symmetric Key cipher.

Elliptic Curve Diffie-Hellman is a variant of the Diffie-Hellman key-exchange protocol using Elliptic Curve cryptography.

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« This page (revision-3) was last changed on 17-Jun-2017 07:58 by jim