Token Binding for Transport Layer Security (TLS) Version 1.3 Connections

Document Type Replaced Internet-Draft (individual)
Last updated 2017-07-28
Replaced by draft-ietf-tokbind-tls13
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


Negotiation of the Token Binding protocol is only defined for Transport Layer Security (TLS) versions 1.2 and earlier. Token Binding users may wish to use it with TLS 1.3; this document defines a backwards compatible way to negotiate Token Binding on TLS 1.3 connections.


Nick Harper (

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