Dpop Adoption

by google55b4e13eba6dNo license21K starsListed Oct 8, 2026Updated Oct 8, 2026Repository updated today

Implement and debug OAuth 2.0 DPoP (RFC 9449) refresh token sender-constraining for WebCrypto, Node.js ES6, and browser runtimes integrating with Google's OAuth platform. Use when configuring non-extractable asymmetric key pairs (P-256), generating DPoP Proof JWTs for authorization code exchange and token refresh, or handling 400 use_dpop_nonce challenge retry loops at oauth2.googleapis.com/token. Don't use for unconstrained OAuth 2.0 flows (where refresh tokens are not bound to a client key pair), or for Google Cloud IAM / service account authentication.

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  1. 55b4e13eba6dCurrentcommit 55b4e13Published Oct 8, 2026

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