Using secp256k1 with JOSE and COSE

Document Type Replaced Internet-Draft (individual)
Author Michael Jones 
Last updated 2018-12-01 (latest revision 2018-05-30)
Replaced by draft-jones-cose-additional-algorithms
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This specification defines algorithm encodings and representations enabling the Standards for Efficient Cryptography Group (SECG) elliptic curve "secp256k1" to be used for JSON Object Signing and Encryption (JOSE) and CBOR Object Signing and Encryption (COSE) messages.


Michael Jones (

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