Token_endpoint_auth_signing_alg_values_supported is a OPTIONAL Openid-configuration JSON array containing a list of the JSON Web Signature signing algorithms (alg values) supported by the Token_endpoint for the signature on the JSON Web Token used to authenticate the Client at the Token_endpoint for the private_key_jwt and client_secret_jwt authentication methods.

Servers SHOULD support RS256. The value none MUST NOT be used.

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