Example usage for java.security KeyPair getPrivate

Introduction

In this page you can find the example usage for java.security KeyPair getPrivate.

Prototype

public PrivateKey getPrivate() 

Source Link

Document

Returns a reference to the private key component of this key pair.

Usage

From source file:org.computerist.ssltools.zap.ZapSslCertificateUtils.java

/**
 * Creates a new Root CA certificate and returns private and public key as
 * {@link KeyStore}. The {@link KeyStore#getDefaultType()} is used.
 *
 * @return//from  w  w  w. j a  va  2s  .co m
 * @throws NoSuchAlgorithmException If no providers are found
 * for 'RSA' key pair generator
 * or 'SHA1PRNG' Secure random number generator
 * @throws IllegalStateException in case of errors during assembling {@link KeyStore}
 */
public static final KeyStore createRootCA() throws NoSuchAlgorithmException {
    final Date startDate = Calendar.getInstance().getTime();
    final Date expireDate = new Date(startDate.getTime() + (DEFAULT_VALID_DAYS * 24L * 60L * 60L * 1000L));

    final KeyPairGenerator g = KeyPairGenerator.getInstance("RSA");
    g.initialize(2048, SecureRandom.getInstance("SHA1PRNG"));
    final KeyPair keypair = g.genKeyPair();
    final PrivateKey privKey = keypair.getPrivate();
    final PublicKey pubKey = keypair.getPublic();
    Random rnd = new Random();

    // using the hash code of the user's name and home path, keeps anonymity
    // but also gives user a chance to distinguish between each other
    X500NameBuilder namebld = new X500NameBuilder(BCStyle.INSTANCE);
    namebld.addRDN(BCStyle.CN, "OWASP Zed Attack Proxy Root CA");
    namebld.addRDN(BCStyle.L, Integer.toHexString(System.getProperty("user.name").hashCode())
            + Integer.toHexString(System.getProperty("user.home").hashCode()));
    namebld.addRDN(BCStyle.O, "OWASP Root CA");
    namebld.addRDN(BCStyle.OU, "OWASP ZAP Root CA");
    namebld.addRDN(BCStyle.C, "xx");

    X509v3CertificateBuilder certGen = new JcaX509v3CertificateBuilder(namebld.build(),
            BigInteger.valueOf(rnd.nextInt()), startDate, expireDate, namebld.build(), pubKey);

    KeyStore ks = null;
    try {
        certGen.addExtension(X509Extension.subjectKeyIdentifier, false,
                new SubjectKeyIdentifierStructure(pubKey));
        certGen.addExtension(X509Extension.basicConstraints, true, new BasicConstraints(true));
        certGen.addExtension(X509Extension.keyUsage, false,
                new KeyUsage(KeyUsage.keyCertSign | KeyUsage.digitalSignature | KeyUsage.keyEncipherment
                        | KeyUsage.dataEncipherment | KeyUsage.cRLSign));

        Vector<DERObject> eku = new Vector<>(3, 1);
        eku.add(KeyPurposeId.id_kp_serverAuth);
        eku.add(KeyPurposeId.id_kp_clientAuth);
        eku.add(KeyPurposeId.anyExtendedKeyUsage);
        certGen.addExtension(X509Extension.extendedKeyUsage, false, new ExtendedKeyUsage(eku));

        final ContentSigner sigGen = new JcaContentSignerBuilder("SHA1WithRSAEncryption").setProvider("BC")
                .build(privKey);
        final X509Certificate cert = new JcaX509CertificateConverter().setProvider("BC")
                .getCertificate(certGen.build(sigGen));

        ks = KeyStore.getInstance(KeyStore.getDefaultType());
        ks.load(null, null);
        ks.setKeyEntry(FixedSslCertificateService.ZAPROXY_JKS_ALIAS, privKey,
                FixedSslCertificateService.PASSPHRASE, new Certificate[] { cert });
    } catch (final Exception e) {
        throw new IllegalStateException("Errors during assembling root CA.", e);
    }
    return ks;
}

---

From source file:org.excalibur.core.util.SecurityUtils2.java

public static UserKey generateUserKey() throws Exception {
    KeyPairGenerator kpg = SecurityUtils.getKeyPairGenerator("RSA");

    kpg.initialize(1024, new SecureRandom());
    java.security.KeyPair kp = kpg.generateKeyPair();

    String priv = getKeyMaterial(kp.getPrivate());

    byte[] encoded = encode((RSAPublicKey) kp.getPublic());

    //        String pub = getKeyMaterial(kp.getPublic()).replaceAll(PUBLIC_KEY_START, "").replaceAll(PUBLIC_KEY_END, "").trim();

    return new UserKey().setPrivateKeyMaterial(priv).setPublicKeyMaterial(new String(Base64.encode(encoded)))
            .setFingerPrint(getFingerPrint((RSAPublicKey) kp.getPublic()));
}

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From source file:net.arccotangent.pacchat.filesystem.KeyManager.java

private static void generateNewKeys() {
    km_log.i("Generating new keys.");
    KeyPair keyPair = RSA.generateRSAKeypair(4096);

    assert keyPair != null;
    PrivateKey privkey = keyPair.getPrivate();
    PublicKey pubkey = keyPair.getPublic();

    saveKeys(privkey, pubkey);/* ww w. j ava  2s .com*/
}

---

From source file:com.vmware.identity.sts.auth.impl.UserCertAuthenticatorTest.java

@BeforeClass
public static void setUp() throws Exception {
    // create key pair and client private key, certificate
    KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
    keyGen.initialize(1024, new SecureRandom());
    KeyPair userKeyPair = keyGen.generateKeyPair();
    userPrivateKey = (RSAPrivateKey) userKeyPair.getPrivate();
    x509Certificate = generateCertificate(userKeyPair, "User");
}

---

From source file:nu.yona.server.messaging.entities.MessageSource.java

public static MessageSource createInstance() {
    KeyPair pair = PublicKeyUtil.generateKeyPair();

    MessageDestination messageDestination = MessageDestination.createInstance(pair.getPublic());
    return new MessageSource(UUID.randomUUID(), pair.getPrivate(), messageDestination);
}

---

From source file:net.link.util.test.pkix.PkiTestUtils.java

public static KeyStore.PrivateKeyEntry generateKeyEntry(String dn) throws NoSuchAlgorithmException,
        InvalidAlgorithmParameterException, IOException, CertificateException, OperatorCreationException {

    KeyPair keyPair = generateKeyPair();
    return new KeyStore.PrivateKeyEntry(keyPair.getPrivate(),
            new Certificate[] { generateSelfSignedCertificate(keyPair, dn) });
}

---

From source file:de.pawlidi.openaletheia.utils.CipherUtils.java

/**
 * /*from w w w. j  a  v  a  2  s  .c  o m*/
 * @param keyPair
 * @return
 */
public static String getPrivateKey(KeyPair keyPair) {
    if (keyPair != null && keyPair.getPrivate() != null) {
        return Converter.toString(keyPair.getPrivate().getEncoded());
    }
    return null;
}

---

From source file:com.vmware.identity.sts.auth.impl.UserCertAuthenticatorTest.java

private static X509Certificate generateCertificate(KeyPair keyPair, String dn) throws Exception {
    ContentSigner sigGen = new JcaContentSignerBuilder("SHA1withRSA").build(keyPair.getPrivate());

    Date startDate = new Date(System.currentTimeMillis() - 24 * 60 * 60 * 1000);
    Date endDate = new Date(System.currentTimeMillis() + 365 * 24 * 60 * 60 * 1000);

    X509v3CertificateBuilder v3CertGen = new JcaX509v3CertificateBuilder(new X500Name("CN=" + dn),
            new BigInteger(64, new SecureRandom()), startDate, endDate, new X500Name("CN=" + dn),
            keyPair.getPublic());//from   www .j  ava 2 s . c  o  m
    v3CertGen.addExtension(Extension.subjectAlternativeName, true,
            new GeneralNames(new GeneralName(GeneralName.otherName,
                    new DERSequence(new ASN1Encodable[] { new DERObjectIdentifier("1.3.6.1.4.1.311.20.2.3"),
                            new DERTaggedObject(true, 0, new DERUTF8String(upn)) }))));

    X509CertificateHolder certHolder = v3CertGen.build(sigGen);
    X509Certificate x509Certificate = new JcaX509CertificateConverter().getCertificate(certHolder);
    return x509Certificate;
}

---

From source file:cloudeventbus.cli.Certs.java

private static void createCertificate(TrustStore trustStore, Certificate.Type type,
        AbstractCreateClientServerCommand createCommand) throws Exception {
    final Certificate issuerCertificate = trustStore.get(createCommand.issuer);
    if (issuerCertificate == null) {
        throw new IllegalArgumentException(
                "No certificate found in trust store with serial number " + createCommand.issuer);
    }//from   w w w  . j  a v  a 2s  .co  m
    final PrivateKey issuerPrivateKey = CertificateUtils.loadPrivateKey(createCommand.issuerPrivateKey);
    final KeyPair keyPair = CertificateUtils.generateKeyPair();
    CertificateUtils.savePrivateKey(keyPair.getPrivate(), createCommand.privateKey);
    final Certificate certificate = CertificateUtils.generateSignedCertificate(issuerCertificate,
            issuerPrivateKey, keyPair.getPublic(), type, getExpirationDate(createCommand.expirationDate),
            Subject.list(createCommand.subscribePermissions), Subject.list(createCommand.publishPermissions),
            createCommand.comment);
    final CertificateChain chain = new CertificateChain(certificate);
    CertificateUtils.saveCertificates(createCommand.certificate, chain);
}

---

From source file:com.example.license.RSAUtil.java

/**
 * ?//  w w w.  java 2  s  .c o  m
 * 
 * @param data
 *            ?
 * @param key
 *            
 * @return ??
 */
public static String encrypt(String data, String seed) throws Exception {
    KeyPair keyPair = generatorKeyPair(seed);
    // Cipher??
    Cipher cipher = Cipher.getInstance(CIPHER_ALGORITHM);
    // SecureRandom random = new SecureRandom();
    // ?Cipher?
    cipher.init(Cipher.ENCRYPT_MODE, keyPair.getPrivate());
    byte[] results = cipher.doFinal(data.getBytes());
    // http://tripledes.online-domain-tools.com/??
    for (int i = 0; i < results.length; i++) {
        System.out.print(results[i] + " ");
    }
    System.out.println();
    // ??Base64?
    return Base64.encodeBase64String(results);
}

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