A Token Binding method for OAuth 2.0 Proof Key for Code Exchange

Document Type Replaced Internet-Draft (individual)
Authors Brian Campbell  , John Bradley  , Michael Jones 
Last updated 2017-01-09 (latest revision 2016-07-08)
Replaced by draft-ietf-oauth-token-binding
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Intended RFC status (None)
Expired & archived
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IESG IESG state Replaced by draft-ietf-oauth-token-binding
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This specification describes a Proof Key for Code Exchange (PKCE) [RFC7636] method utilizing Token Binding over HTTP [I-D.ietf-tokbind-https] to cryptographically bind the OAuth 2.0 [RFC6749] authorization code to a key pair on the client, which it proves possession of during the access token request with the authorization code.


Brian Campbell (brian.d.campbell@gmail.com)
John Bradley (ve7jtb@ve7jtb.com)
Michael Jones (mbj@microsoft.com)

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