public CKR C_EX_PKCS7VerifyFinal(NativeULong session,
            out IntPtr signerCertificates, out NativeULong signerCertificatesCount)
        {
            if (_disposed)
                throw new ObjectDisposedException(GetType().FullName);

            NativeULong rv = _rutokenDelegates.C_EX_PKCS7VerifyFinal(session, out signerCertificates, out signerCertificatesCount);

            return (CKR)rv;
        }