Examples with KeyPairGenerator java.security.KeyPairGenerator used on opensource projects

Example 86 with KeyPairGenerator

use of java.security.KeyPairGenerator in project geode by apache.

the class GMSEncryptJUnitTest method testDHAlgo3.

@Test
public void testDHAlgo3() throws Exception {
    DHParameterSpec dhSkipParamSpec;
    System.out.println("Using SKIP Diffie-Hellman parameters");
    dhSkipParamSpec = new DHParameterSpec(skip1024Modulus, skip1024Base);
    // Alice creates her own DH key pair
    System.out.println("ALICE: Generate DH keypair ...");
    KeyPairGenerator aliceKpairGen = KeyPairGenerator.getInstance("DH");
    aliceKpairGen.initialize(dhSkipParamSpec);
    KeyPair aliceKpair = aliceKpairGen.generateKeyPair();
    // Bob creates his own DH key pair
    System.out.println("BOB: Generate DH keypair ...");
    KeyPairGenerator bobKpairGen = KeyPairGenerator.getInstance("DH");
    bobKpairGen.initialize(dhSkipParamSpec);
    KeyPair bobKpair = bobKpairGen.generateKeyPair();
    // Alice initialize
    System.out.println("ALICE: Initialize ...");
    KeyAgreement aliceKeyAgree = KeyAgreement.getInstance("DH");
    aliceKeyAgree.init(aliceKpair.getPrivate());
    // Bob initialize
    System.out.println("BOB  : Initialize ...");
    KeyAgreement bobKeyAgree = KeyAgreement.getInstance("DH");
    bobKeyAgree.init(bobKpair.getPrivate());
    // Alice uses Carol's public key
    aliceKeyAgree.doPhase(bobKpair.getPublic(), true);
    // Bob uses Alice's public key
    bobKeyAgree.doPhase(aliceKpair.getPublic(), true);
    String dhKalgo = "AES";
    // Alice, Bob and Carol compute their secrets
    SecretKey aliceSharedSecret = aliceKeyAgree.generateSecret(dhKalgo);
    System.out.println("Alice secret: " + toHexString(aliceSharedSecret.getEncoded()));
    SecretKey bobSharedSecret = bobKeyAgree.generateSecret(dhKalgo);
    System.out.println("Bob   secret: " + toHexString(bobSharedSecret.getEncoded()));
    // Compare Alice and Bob
    if (!java.util.Arrays.equals(aliceSharedSecret.getEncoded(), bobSharedSecret.getEncoded()))
        throw new Exception("Alice and Bob differ");
    System.out.println("Alice and Bob are the same");
}

Example 87 with KeyPairGenerator

use of java.security.KeyPairGenerator in project geode by apache.

the class GMSEncryptJUnitTest method testDHAlgo.

@Test
public void testDHAlgo() throws Exception {
    DHParameterSpec dhSkipParamSpec;
    System.out.println("Using SKIP Diffie-Hellman parameters");
    dhSkipParamSpec = new DHParameterSpec(skip1024Modulus, skip1024Base);
    // Alice creates her own DH key pair
    System.out.println("ALICE: Generate DH keypair ...");
    KeyPairGenerator aliceKpairGen = KeyPairGenerator.getInstance("DH");
    aliceKpairGen.initialize(dhSkipParamSpec);
    KeyPair aliceKpair = aliceKpairGen.generateKeyPair();
    // Bob creates his own DH key pair
    System.out.println("BOB: Generate DH keypair ...");
    KeyPairGenerator bobKpairGen = KeyPairGenerator.getInstance("DH");
    bobKpairGen.initialize(dhSkipParamSpec);
    KeyPair bobKpair = bobKpairGen.generateKeyPair();
    // Carol creates her own DH key pair
    System.out.println("CAROL: Generate DH keypair ...");
    KeyPairGenerator carolKpairGen = KeyPairGenerator.getInstance("DH");
    carolKpairGen.initialize(dhSkipParamSpec);
    KeyPair carolKpair = carolKpairGen.generateKeyPair();
    // Alice initialize
    System.out.println("ALICE: Initialize ...");
    KeyAgreement aliceKeyAgree = KeyAgreement.getInstance("DH");
    aliceKeyAgree.init(aliceKpair.getPrivate());
    // Bob initialize
    System.out.println("BOB: Initialize ...");
    KeyAgreement bobKeyAgree = KeyAgreement.getInstance("DH");
    bobKeyAgree.init(bobKpair.getPrivate());
    // Carol initialize
    System.out.println("CAROL: Initialize ...");
    KeyAgreement carolKeyAgree = KeyAgreement.getInstance("DH");
    carolKeyAgree.init(carolKpair.getPrivate());
    // Alice uses Carol's public key
    Key ac = aliceKeyAgree.doPhase(carolKpair.getPublic(), false);
    // Bob uses Alice's public key
    Key ba = bobKeyAgree.doPhase(aliceKpair.getPublic(), false);
    // Carol uses Bob's public key
    Key cb = carolKeyAgree.doPhase(bobKpair.getPublic(), false);
    // Alice uses Carol's result from above
    aliceKeyAgree.doPhase(cb, true);
    // Bob uses Alice's result from above
    bobKeyAgree.doPhase(ac, true);
    // Carol uses Bob's result from above
    carolKeyAgree.doPhase(ba, true);
    // Alice, Bob and Carol compute their secrets
    byte[] aliceSharedSecret = aliceKeyAgree.generateSecret();
    System.out.println("Alice secret: " + toHexString(aliceSharedSecret));
    byte[] bobSharedSecret = bobKeyAgree.generateSecret();
    System.out.println("Bob secret: " + toHexString(bobSharedSecret));
    byte[] carolSharedSecret = carolKeyAgree.generateSecret();
    System.out.println("Carol secret: " + toHexString(carolSharedSecret));
    // Compare Alice and Bob
    if (!java.util.Arrays.equals(aliceSharedSecret, bobSharedSecret))
        throw new Exception("Alice and Bob differ");
    System.out.println("Alice and Bob are the same");
    // Compare Bob and Carol
    if (!java.util.Arrays.equals(bobSharedSecret, carolSharedSecret))
        throw new Exception("Bob and Carol differ");
    System.out.println("Bob and Carol are the same");
}

Example 88 with KeyPairGenerator

use of java.security.KeyPairGenerator in project geode by apache.

the class GMSEncryptJUnitTest method testDHAlgo2.

@Test
public void testDHAlgo2() throws Exception {
    DHParameterSpec dhSkipParamSpec;
    System.out.println("Using SKIP Diffie-Hellman parameters");
    dhSkipParamSpec = new DHParameterSpec(skip1024Modulus, skip1024Base);
    // Alice creates her own DH key pair
    System.out.println("ALICE: Generate DH keypair ...");
    KeyPairGenerator aliceKpairGen = KeyPairGenerator.getInstance("DH");
    aliceKpairGen.initialize(dhSkipParamSpec);
    KeyPair aliceKpair = aliceKpairGen.generateKeyPair();
    // Bob creates his own DH key pair
    System.out.println("BOB: Generate DH keypair ...");
    KeyPairGenerator bobKpairGen = KeyPairGenerator.getInstance("DH");
    bobKpairGen.initialize(dhSkipParamSpec);
    KeyPair bobKpair = bobKpairGen.generateKeyPair();
    // Alice initialize
    System.out.println("ALICE: Initialize ...");
    KeyAgreement aliceKeyAgree = KeyAgreement.getInstance("DH");
    aliceKeyAgree.init(aliceKpair.getPrivate());
    // Bob initialize
    System.out.println("BOB  : Initialize ...");
    KeyAgreement bobKeyAgree = KeyAgreement.getInstance("DH");
    bobKeyAgree.init(bobKpair.getPrivate());
    // Alice uses Carol's public key
    aliceKeyAgree.doPhase(bobKpair.getPublic(), true);
    // Bob uses Alice's public key
    bobKeyAgree.doPhase(aliceKpair.getPublic(), true);
    // Alice, Bob and Carol compute their secrets
    byte[] aliceSharedSecret = aliceKeyAgree.generateSecret();
    System.out.println("Alice secret: " + toHexString(aliceSharedSecret));
    byte[] bobSharedSecret = bobKeyAgree.generateSecret();
    System.out.println("Bob   secret: " + toHexString(bobSharedSecret));
    // Compare Alice and Bob
    if (!java.util.Arrays.equals(aliceSharedSecret, bobSharedSecret))
        throw new Exception("Alice and Bob differ");
    System.out.println("Alice and Bob are the same");
}

Example 89 with KeyPairGenerator

use of java.security.KeyPairGenerator in project karaf by apache.

the class KnownHostsManagerTest method createPubKey.

private PublicKey createPubKey() throws NoSuchAlgorithmException {
    KeyPairGenerator gen = KeyPairGenerator.getInstance(ALGORITHM);
    gen.initialize(KEY_SIZE);
    KeyPair keyPair = gen.generateKeyPair();
    return keyPair.getPublic();
}

Example 90 with KeyPairGenerator

use of java.security.KeyPairGenerator in project oxTrust by GluuFederation.

the class UpdateTrustRelationshipAction method getCertForGeneratedSP.

/**
	 * If there is no certificate selected, or certificate is invalid -
	 * generates one.
	 * 
	 * @author �Oleksiy Tataryn�
	 * @return certificate for generated SP
	 * @throws CertificateEncodingException
	 */
public String getCertForGeneratedSP() {
    X509Certificate cert = null;
    try {
        cert = sslService.getPEMCertificate(certWrapper.getStream());
    } catch (Exception e) {
        log.error(e.getMessage(), e);
    }
    if (cert == null) {
        facesMessages.add(FacesMessage.SEVERITY_INFO, "Certificate were not provided, or was incorrect. Appliance will create a self-signed certificate.");
        if (Security.getProvider(BouncyCastleProvider.PROVIDER_NAME) == null) {
            Security.addProvider(new BouncyCastleProvider());
        }
        try {
            KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance("RSA", "BC");
            keyPairGen.initialize(2048);
            KeyPair pair = keyPairGen.generateKeyPair();
            StringWriter keyWriter = new StringWriter();
            PEMWriter pemFormatWriter = new PEMWriter(keyWriter);
            pemFormatWriter.writeObject(pair.getPrivate());
            pemFormatWriter.close();
            String url = trustRelationship.getUrl().replaceFirst(".*//", "");
            X509v3CertificateBuilder v3CertGen = new JcaX509v3CertificateBuilder(new X500Name("CN=" + url + ", OU=None, O=None L=None, C=None"), BigInteger.valueOf(new SecureRandom().nextInt()), new Date(System.currentTimeMillis() - 1000L * 60 * 60 * 24 * 30), new Date(System.currentTimeMillis() + (1000L * 60 * 60 * 24 * 365 * 10)), new X500Name("CN=" + url + ", OU=None, O=None L=None, C=None"), pair.getPublic());
            cert = new JcaX509CertificateConverter().setProvider("BC").getCertificate(v3CertGen.build(new JcaContentSignerBuilder("MD5withRSA").setProvider("BC").build(pair.getPrivate())));
            org.apache.commons.codec.binary.Base64 encoder = new org.apache.commons.codec.binary.Base64(64);
            byte[] derCert = cert.getEncoded();
            String pemCertPre = new String(encoder.encode(derCert));
            log.debug(Shibboleth3ConfService.PUBLIC_CERTIFICATE_START_LINE);
            log.debug(pemCertPre);
            log.debug(Shibboleth3ConfService.PUBLIC_CERTIFICATE_END_LINE);
            saveCert(trustRelationship, pemCertPre);
            saveKey(trustRelationship, keyWriter.toString());
        } catch (Exception e) {
            e.printStackTrace();
        }
    //			String certName = appConfiguration.getCertDir() + File.separator + StringHelper.removePunctuation(appConfiguration.getOrgInum())
    //					+ "-shib.crt";
    //			File certFile = new File(certName);
    //			if (certFile.exists()) {
    //				cert = SSLService.instance().getPEMCertificate(certName);
    //			}
    }
    String certificate = null;
    if (cert != null) {
        try {
            certificate = new String(Base64.encode(cert.getEncoded()));
            log.info("##### certificate = " + certificate);
        } catch (CertificateEncodingException e) {
            certificate = null;
            facesMessages.add(FacesMessage.SEVERITY_ERROR, "Failed to encode provided certificate. Please notify Gluu support about this.");
            log.error("Failed to encode certificate to DER", e);
        }
    } else {
        facesMessages.add(FacesMessage.SEVERITY_INFO, "Certificate were not provided, or was incorrect. Appliance will create a self-signed certificate.");
    }
    return certificate;
}