Signed Public Key and Challenge

Document Type Expired Internet-Draft (individual)
Authors Graham Leggett  , Dirk-Willem van Gulik 
Last updated 2020-09-06 (latest revision 2020-03-05)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This memo describes the Signed Public Key and Challenge (SPKAC), a syntax to provide Proof-of-Possession of a Public Key to support federated (client) certificate enrolment.


Graham Leggett (
Dirk-Willem van Gulik (

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