Data Center use of Static Diffie-Hellman in TLS 1.3

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Last updated 2018-01-04 (latest revision 2017-07-03)
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Unlike earlier versions of TLS, current drafts of TLS 1.3 have instead adopted ephemeral-mode Diffie-Hellman and elliptic-curve Diffie-Hellman as the primary cryptographic key exchange mechanism used in TLS. This document describes an optional configuration for TLS servers that allows for the use of a static Diffie-Hellman private key for all TLS connections made to the server. Passive monitoring of TLS connections can be enabled by installing a corresponding copy of this key in each monitoring device.


Matthew Green (
Ralph Droms (
Russ Housley (
Paul Turner (
Steve Fenter (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)