Clarifications for Elliptic Curve Cryptogtaphy Subject Public Key Information

Document Type Replaced Internet-Draft (lamps WG)
Authors Tadahiko Ito  , Sean Turner 
Last updated 2019-12-20 (latest revision 2019-08-13)
Replaced by RFC 8813
Stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
pdf htmlized bibtex
Stream WG state Adopted by a WG
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-ietf-lamps-5480-ku-clarifications
Consensus Boilerplate Unknown
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document updates RFC 5480 to specify semantics for the keyEncipherment and dataEncipherment key usage bits when used in certificates that support Elliptic Curve Cryptography.


Tadahiko Ito (
Sean Turner (

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