CryptoPrimitives implements CryptoSuite { private String certificationRequestToPEM(PKCS10CertificationRequest csr) throws IOException { PemObject pemCSR = new PemObject("CERTIFICATE REQUEST", csr.getEncoded()); StringWriter str = new StringWriter(); JcaPEMWriter pemWriter = new JcaPEMWriter(str); pemWriter.writeObject(pemCSR); pemWriter.close(); str.close(); return str.toString(); } CryptoPrimitives(); Certificate bytesToCertificate(byte[] certBytes); PrivateKey bytesToPrivateKey(byte[] pemKey); @Override boolean verify(byte[] pemCertificate, String signatureAlgorithm, byte[] signature, byte[] plainText); KeyStore getTrustStore(); void addCACertificateToTrustStore(File caCertPem, String alias); void addCACertificateToTrustStore(byte[] bytes, String alias); @Override void loadCACertificates(Collection<Certificate> certificates); @Override void loadCACertificatesAsBytes(Collection<byte[]> certificatesBytes); @Override KeyPair keyGen(); @Override byte[] sign(PrivateKey key, byte[] data); String generateCertificationRequest(String subject, KeyPair pair); @Override byte[] hash(byte[] input); @Override CryptoSuiteFactory getCryptoSuiteFactory(); void init(); @Override Properties getProperties(); byte[] certificateToDER(String certificatePEM);  }
@Test public void testCertificationRequestToPEM() throws Exception { KeyPair testKeyPair = crypto.keyGen(); String certRequest = crypto.generateCertificationRequest("common name", testKeyPair); Assert.assertTrue(certRequest.contains("BEGIN CERTIFICATE REQUEST")); }