SigningException

Empty message hash.

Public key of the signing identity is empty.

Pin code includes invalid symbols or pin length does not match.

Invalid or expired signing session.

The session identifier in SigningSessionDetails is empty or blank.

User object passed for signing is not valid.

Pin not entered.

The user is revoked because of too many unsuccessful authentication attempts or has not been used in a substantial amount of time. The device needs to be re-registered.

Signing failed.

The authentication was not successful.