func NewPrivateKeyRSA(N, E, D, P, Q, Dp, Dq, Qinv BigInt) (*PrivateKeyRSA, error) {
	panic("boringcrypto: not available")
}
func NewPublicKeyRSA(N, E BigInt) (*PublicKeyRSA, error) { panic("boringcrypto: not available") }
func SignRSAPKCS1v15(priv *PrivateKeyRSA, h crypto.Hash, hashed []byte) ([]byte, error) {
	panic("boringcrypto: not available")
}
func SignRSAPSS(priv *PrivateKeyRSA, h crypto.Hash, hashed []byte, saltLen int) ([]byte, error) {

	// pkcs1v15ConstructEM is called before boring.SignRSAPKCS1v15 to return
	// consistent errors, including ErrMessageTooLong.
	em, err := pkcs1v15ConstructEM(&priv.PublicKey, hash, hashed)
	if err != nil {
		return nil, err
	}

	if boring.Enabled {
		bkey, err := boringPrivateKey(priv)
		if err != nil {
			return nil, err
		}
		return boring.SignRSAPKCS1v15(bkey, hash, hashed)
	}

			md, nil, C.int(saltLen), base(sig), C.size_t(len(sig)))
	}) == 0 {
		return fail("RSA_verify_pss_mgf1")
	}
	return nil
}

func SignRSAPKCS1v15(priv *PrivateKeyRSA, h crypto.Hash, hashed []byte) ([]byte, error) {
	if h == 0 {
		// No hashing.
		var out []byte
		var outLen C.size_t
		if priv.withKey(func(key *C.GO_RSA) C.int {