Abstract
The OAuth 2.0 Device Authorization Grant [RFC8628] is an authorization flow for devices with limited input capabilities. Demonstrating Proof of Possession (DPoP) [RFC9449] is a mechanism to sender-constrain OAuth 2.0 tokens. This document describes how to use DPoP with the Device Authorization Grant to provide a higher level of security for clients. It binds the DPoP key to the entire transaction, from the initial device authorization request through the lifetime of the issued tokens.
Authors
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