Refuses a grant holding bound_key whose DPoP proof's c_s256 is not the hash of the code it redeems (OpenID Connect Key Binding).
bound_key
c_s256
the scope granted
the authorization or device code
the verified DPoP proof
null, or a refusal
Refuses a grant holding
bound_keywhose DPoP proof'sc_s256is not the hash of the code it redeems (OpenID Connect Key Binding).