Checking of nonce is essential #344
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OpenID ID token is a JWT, and uses a "nonce" field, intended to be provided by the RP and echoed back in the returned JWT token, thus a piece of a JWT payload that is supposed to be checked, often. In fact, my interpretation of RFC7159 suggests that "jti" is more like a server-assigned UUID of the given token, unknown to the consumer beforehand, thus not a possible input to the verification process (or if anything, a negative input to the verification process, where the knowledge and match of a jti would mean that the token has already been "seen" and "consumed", even if the nonce would be matching)