type SigningMethodRSAPSS … var SigningMethodPS256 … var SigningMethodPS384 … var SigningMethodPS512 … func init() { … } // Verify implements token verification for the SigningMethod. // For this verify method, key must be an rsa.PublicKey struct func (m *SigningMethodRSAPSS) Verify(signingString, signature string, key interface{ … } // Sign implements token signing for the SigningMethod. // For this signing method, key must be an rsa.PrivateKey struct func (m *SigningMethodRSAPSS) Sign(signingString string, key interface{ … }