public String generateSignature() {
		StringBuilder builder = new StringBuilder();
		append(builder, NLS.str("certificate.serialSigType"), x509cert.getSigAlgName());
		append(builder, NLS.str("certificate.serialSigOID"), x509cert.getSigAlgOID());
		return builder.toString();
	}
@Test
	public void decodeRSAKeySignature() {
		assertThat(certificateManagerRSA.generateSignature())
				.contains("SHA256withRSA")
				.contains("1.2.840.113549.1.1.11");
	}