Glossary: Cryptography and PKI

DHE / ECDHE

Also written: DHE, ECDHE, Diffie-Hellman Ephemeral, Elliptic Curve Diffie-Hellman Ephemeral

Diffie-Hellman with fresh random secrets for every exchange (ECDHE is the elliptic-curve version, used by modern TLS). Because the secrets are thrown away, it gives forward secrecy.