Additional Elliptic Curves for Transport Layer Security (TLS) Key Agreement

Document Type Expired Internet-Draft (individual)
Authors Simon Josefsson  , Manuel Pégourié-Gonnard 
Last updated 2015-03-23 (latest revision 2014-09-11)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document specifies the use of additional elliptic curves (M-221, E-222, Curve1174, E-382, M-383, Curve383187, Curve41417, Ed448-Goldilocks, M-511, and E-521) for key exchange in the Transport Layer Security (TLS) protocol. As such it updates RFC 4492.


Simon Josefsson (
Manuel Pégourié-Gonnard (

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