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

Example 31 with KeyPairGenerator

use of java.security.KeyPairGenerator in project robovm by robovm.

the class KeyPairGenerator4Test method test_initializeLjava_security_spec_AlgorithmParameterSpecLjava_security_SecureRandom.

/**
     * java.security.KeyPairGenerator#initialize(java.security.spec.AlgorithmParameterSpec,
     *        java.security.SecureRandom)
     */
public void test_initializeLjava_security_spec_AlgorithmParameterSpecLjava_security_SecureRandom() throws Exception {
    // create DSAParams
    KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("DSA");
    keyPairGenerator.initialize(1024);
    DSAPublicKey key = (DSAPublicKey) keyPairGenerator.genKeyPair().getPublic();
    DSAParams params = key.getParams();
    KeyPairGenerator keyPair = KeyPairGenerator.getInstance("DSA");
    keyPair.initialize(new DSAParameterSpec(params.getP(), params.getQ(), params.getG()), new SecureRandom());
}

Example 32 with KeyPairGenerator

use of java.security.KeyPairGenerator in project robovm by robovm.

the class KeyFactory2Test method test_generatePrivateLjava_security_spec_KeySpec.

public void test_generatePrivateLjava_security_spec_KeySpec() throws Exception {
    // java.security.KeyFactory.generatePrivate(java.security.spec.KeySpec)
    for (int i = 0; i < keyfactAlgs.length; i++) {
        KeyFactory fact = KeyFactory.getInstance(keyfactAlgs[i], providerName);
        KeyPairGenerator keyGen = KeyPairGenerator.getInstance(keyfactAlgs[i]);
        // We don't use
        SecureRandom random = new SecureRandom();
        // getInstance
        keyGen.initialize(StandardNames.getMinimumKeySize(keyfactAlgs[i]), random);
        KeepAlive keepalive = createKeepAlive(keyfactAlgs[i]);
        KeyPair keys = keyGen.generateKeyPair();
        if (keepalive != null) {
            keepalive.interrupt();
        }
        KeySpec privateKeySpec = fact.getKeySpec(keys.getPrivate(), StandardNames.getPrivateKeySpecClass(keyfactAlgs[i]));
        PrivateKey privateKey = fact.generatePrivate(privateKeySpec);
        assertEquals("generatePrivate generated different key for algorithm " + keyfactAlgs[i], Arrays.toString(keys.getPrivate().getEncoded()), Arrays.toString(privateKey.getEncoded()));
        privateKey = fact.generatePrivate(new PKCS8EncodedKeySpec(keys.getPrivate().getEncoded()));
        assertEquals("generatePrivate generated different key for algorithm " + keyfactAlgs[i], Arrays.toString(keys.getPrivate().getEncoded()), Arrays.toString(privateKey.getEncoded()));
    }
}

Example 33 with KeyPairGenerator

use of java.security.KeyPairGenerator in project robovm by robovm.

the class ServerHandshakeImpl method processClientHello.

/**
     *
     * Processes Client Hello message.
     * Server responds to client hello message with server hello
     * and (if necessary) server certificate, server key exchange,
     * certificate request, and server hello done messages.
     */
void processClientHello() {
    CipherSuite cipher_suite;
    // check that clientHello contains CompressionMethod.null
    checkCompression: {
        for (int i = 0; i < clientHello.compression_methods.length; i++) {
            if (clientHello.compression_methods[i] == 0) {
                break checkCompression;
            }
        }
        fatalAlert(AlertProtocol.HANDSHAKE_FAILURE, "HANDSHAKE FAILURE. Incorrect client hello message");
    }
    byte[] server_version = clientHello.client_version;
    if (!ProtocolVersion.isSupported(clientHello.client_version)) {
        if (clientHello.client_version[0] >= 3) {
            // Protocol from the future, admit that the newest thing we know is TLSv1
            server_version = ProtocolVersion.TLSv1.version;
        } else {
            fatalAlert(AlertProtocol.PROTOCOL_VERSION, "PROTOCOL VERSION. Unsupported client version " + clientHello.client_version[0] + clientHello.client_version[1]);
        }
    }
    isResuming = false;
    FIND: if (clientHello.session_id.length != 0) {
        // client wishes to reuse session
        SSLSessionImpl sessionToResume;
        boolean reuseCurrent = false;
        // reuse current session
        if (session != null && Arrays.equals(session.id, clientHello.session_id)) {
            if (session.isValid()) {
                isResuming = true;
                break FIND;
            }
            reuseCurrent = true;
        }
        // find session in cash
        sessionToResume = findSessionToResume(clientHello.session_id);
        if (sessionToResume == null || !sessionToResume.isValid()) {
            if (!parameters.getEnableSessionCreation()) {
                if (reuseCurrent) {
                    // we can continue current session
                    sendWarningAlert(AlertProtocol.NO_RENEGOTIATION);
                    status = NOT_HANDSHAKING;
                    clearMessages();
                    return;
                }
                // throw AlertException
                fatalAlert(AlertProtocol.HANDSHAKE_FAILURE, "SSL Session may not be created");
            }
            session = null;
        } else {
            session = (SSLSessionImpl) sessionToResume.clone();
            isResuming = true;
        }
    }
    if (isResuming) {
        cipher_suite = session.cipherSuite;
        // clientHello.cipher_suites must include at least cipher_suite from the session
        checkCipherSuite: {
            for (int i = 0; i < clientHello.cipher_suites.length; i++) {
                if (cipher_suite.equals(clientHello.cipher_suites[i])) {
                    break checkCipherSuite;
                }
            }
            fatalAlert(AlertProtocol.HANDSHAKE_FAILURE, "HANDSHAKE FAILURE. Incorrect client hello message");
        }
    } else {
        cipher_suite = selectSuite(clientHello.cipher_suites);
        if (cipher_suite == null) {
            fatalAlert(AlertProtocol.HANDSHAKE_FAILURE, "HANDSHAKE FAILURE. NO COMMON SUITE");
        }
        if (!parameters.getEnableSessionCreation()) {
            fatalAlert(AlertProtocol.HANDSHAKE_FAILURE, "SSL Session may not be created");
        }
        session = new SSLSessionImpl(cipher_suite, parameters.getSecureRandom());
        if (engineOwner != null) {
            session.setPeer(engineOwner.getPeerHost(), engineOwner.getPeerPort());
        } else {
            session.setPeer(socketOwner.getInetAddress().getHostName(), socketOwner.getPort());
        }
    }
    recordProtocol.setVersion(server_version);
    session.protocol = ProtocolVersion.getByVersion(server_version);
    session.clientRandom = clientHello.random;
    // create server hello message
    serverHello = new ServerHello(parameters.getSecureRandom(), server_version, session.getId(), cipher_suite, //CompressionMethod.null
    (byte) 0);
    session.serverRandom = serverHello.random;
    send(serverHello);
    if (isResuming) {
        sendChangeCipherSpec();
        return;
    }
    //    create and send server certificate message if needed
    if (!cipher_suite.isAnonymous()) {
        // need to send server certificate
        X509Certificate[] certs = null;
        String certType = cipher_suite.getServerKeyType();
        if (certType == null) {
            fatalAlert(AlertProtocol.HANDSHAKE_FAILURE, "NO CERT TYPE FOR " + cipher_suite.getName());
        }
        // obtain certificates from key manager
        String alias = null;
        X509KeyManager km = parameters.getKeyManager();
        if (km instanceof X509ExtendedKeyManager) {
            X509ExtendedKeyManager ekm = (X509ExtendedKeyManager) km;
            if (this.socketOwner != null) {
                alias = ekm.chooseServerAlias(certType, null, this.socketOwner);
            } else {
                alias = ekm.chooseEngineServerAlias(certType, null, this.engineOwner);
            }
            if (alias != null) {
                certs = ekm.getCertificateChain(alias);
            }
        } else {
            alias = km.chooseServerAlias(certType, null, this.socketOwner);
            if (alias != null) {
                certs = km.getCertificateChain(alias);
            }
        }
        if (certs == null) {
            fatalAlert(AlertProtocol.HANDSHAKE_FAILURE, "NO SERVER CERTIFICATE FOUND");
            return;
        }
        session.localCertificates = certs;
        serverCert = new CertificateMessage(certs);
        privKey = km.getPrivateKey(alias);
        send(serverCert);
    }
    // create and send server key exchange message if needed
    RSAPublicKey rsakey = null;
    DHPublicKeySpec dhkeySpec = null;
    byte[] hash = null;
    BigInteger p = null;
    BigInteger g = null;
    KeyPairGenerator kpg = null;
    try {
        if (cipher_suite.keyExchange == CipherSuite.KEY_EXCHANGE_RSA_EXPORT) {
            PublicKey pk = serverCert.certs[0].getPublicKey();
            if (getRSAKeyLength(pk) > 512) {
                // key is longer than 512 bits
                kpg = KeyPairGenerator.getInstance("RSA");
                kpg.initialize(512);
            }
        } else if (cipher_suite.keyExchange == CipherSuite.KEY_EXCHANGE_DHE_DSS || cipher_suite.keyExchange == CipherSuite.KEY_EXCHANGE_DHE_DSS_EXPORT || cipher_suite.keyExchange == CipherSuite.KEY_EXCHANGE_DHE_RSA || cipher_suite.keyExchange == CipherSuite.KEY_EXCHANGE_DHE_RSA_EXPORT || cipher_suite.keyExchange == CipherSuite.KEY_EXCHANGE_DH_anon || cipher_suite.keyExchange == CipherSuite.KEY_EXCHANGE_DH_anon_EXPORT) {
            kpg = KeyPairGenerator.getInstance("DH");
            p = new BigInteger(1, DHParameters.getPrime());
            g = new BigInteger("2");
            DHParameterSpec spec = new DHParameterSpec(p, g);
            kpg.initialize(spec);
        }
    } catch (Exception e) {
        fatalAlert(AlertProtocol.INTERNAL_ERROR, "INTERNAL ERROR", e);
    }
    if (kpg != null) {
        // need to send server key exchange message
        DigitalSignature ds = new DigitalSignature(cipher_suite.authType);
        KeyPair kp = null;
        try {
            kp = kpg.genKeyPair();
            if (cipher_suite.keyExchange == CipherSuite.KEY_EXCHANGE_RSA_EXPORT) {
                rsakey = (RSAPublicKey) kp.getPublic();
            } else {
                DHPublicKey dhkey = (DHPublicKey) kp.getPublic();
                KeyFactory kf = KeyFactory.getInstance("DH");
                dhkeySpec = kf.getKeySpec(dhkey, DHPublicKeySpec.class);
            }
            if (!cipher_suite.isAnonymous()) {
                // calculate signed_params
                // init by private key which correspond to
                // server certificate
                ds.init(privKey);
                // use emphemeral key for key exchange
                privKey = kp.getPrivate();
                ds.update(clientHello.getRandom());
                ds.update(serverHello.getRandom());
                //FIXME 1_byte==0x00
                if (cipher_suite.keyExchange == CipherSuite.KEY_EXCHANGE_RSA_EXPORT) {
                    ServerKeyExchange.updateSignatureRsa(ds, rsakey.getModulus(), rsakey.getPublicExponent());
                } else {
                    ServerKeyExchange.updateSignatureDh(ds, dhkeySpec.getP(), dhkeySpec.getG(), dhkeySpec.getY());
                }
                hash = ds.sign();
            } else {
                // use emphemeral key for key exchange
                privKey = kp.getPrivate();
            }
        } catch (Exception e) {
            fatalAlert(AlertProtocol.INTERNAL_ERROR, "INTERNAL ERROR", e);
        }
        if (cipher_suite.keyExchange == CipherSuite.KEY_EXCHANGE_RSA_EXPORT) {
            serverKeyExchange = new ServerKeyExchange(rsakey.getModulus(), rsakey.getPublicExponent(), null, hash);
        } else {
            serverKeyExchange = new ServerKeyExchange(p, g, dhkeySpec.getY(), hash);
        }
        send(serverKeyExchange);
    }
    // CERTIFICATE_REQUEST
    certRequest: if (parameters.getWantClientAuth() || parameters.getNeedClientAuth()) {
        X509Certificate[] accepted;
        try {
            X509TrustManager tm = parameters.getTrustManager();
            accepted = tm.getAcceptedIssuers();
        } catch (ClassCastException e) {
            // don't send certificateRequest
            break certRequest;
        }
        byte[] requestedClientCertTypes = { CipherSuite.TLS_CT_RSA_SIGN, CipherSuite.TLS_CT_DSS_SIGN };
        certificateRequest = new CertificateRequest(requestedClientCertTypes, accepted);
        send(certificateRequest);
    }
    // SERVER_HELLO_DONE
    serverHelloDone = new ServerHelloDone();
    send(serverHelloDone);
    status = NEED_UNWRAP;
}

Example 34 with KeyPairGenerator

use of java.security.KeyPairGenerator in project robovm by robovm.

the class KeyStorePrivateKeyEntryTest method testGetCertificateChain.

public void testGetCertificateChain() throws Exception {
    String certificateData = "-----BEGIN CERTIFICATE-----\n" + "MIICZTCCAdICBQL3AAC2MA0GCSqGSIb3DQEBAgUAMF8xCzAJBgNVBAYTAlVTMSAw\n" + "HgYDVQQKExdSU0EgRGF0YSBTZWN1cml0eSwgSW5jLjEuMCwGA1UECxMlU2VjdXJl\n" + "IFNlcnZlciBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAeFw05NzAyMjAwMDAwMDBa\n" + "Fw05ODAyMjAyMzU5NTlaMIGWMQswCQYDVQQGEwJVUzETMBEGA1UECBMKQ2FsaWZv\n" + "cm5pYTESMBAGA1UEBxMJUGFsbyBBbHRvMR8wHQYDVQQKExZTdW4gTWljcm9zeXN0\n" + "ZW1zLCBJbmMuMSEwHwYDVQQLExhUZXN0IGFuZCBFdmFsdWF0aW9uIE9ubHkxGjAY\n" + "BgNVBAMTEWFyZ29uLmVuZy5zdW4uY29tMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCB\n" + "iQKBgQCofmdY+PiUWN01FOzEewf+GaG+lFf132UpzATmYJkA4AEA/juW7jSi+LJk\n" + "wJKi5GO4RyZoyimAL/5yIWDV6l1KlvxyKslr0REhMBaD/3Z3EsLTTEf5gVrQS6sT\n" + "WMoSZAyzB39kFfsB6oUXNtV8+UKKxSxKbxvhQn267PeCz5VX2QIDAQABMA0GCSqG\n" + "SIb3DQEBAgUAA34AXl3at6luiV/7I9MN5CXYoPJYI8Bcdc1hBagJvTMcmlqL2uOZ\n" + "H9T5hNMEL9Tk6aI7yZPXcw/xI2K6pOR/FrMp0UwJmdxX7ljV6ZtUZf7pY492UqwC\n" + "1777XQ9UEZyrKJvF5ntleeO0ayBqLGVKCWzWZX9YsXCpv47FNLZbupE=\n" + "-----END CERTIFICATE-----\n";
    ByteArrayInputStream certArray;
    {
        try {
            certArray = new ByteArrayInputStream(certificateData.getBytes("UTF-8"));
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException(e.getMessage());
        }
    }
    CertificateFactory cf = CertificateFactory.getInstance("X.509");
    Certificate certificate = cf.generateCertificate(certArray);
    assertTrue(certificate instanceof X509Certificate);
    String algorithm = certificate.getPublicKey().getAlgorithm();
    KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(algorithm);
    KeyPair keyPair = keyPairGenerator.generateKeyPair();
    PrivateKey privateKey = keyPair.getPrivate();
    // If all the certificate in the chain is X509Certificate,
    // KeyStore.PrivateKeyEntry will return a X509Certificate array.
    KeyStore.PrivateKeyEntry privateKeyEntry = new KeyStore.PrivateKeyEntry(privateKey, new Certificate[] { certificate });
    Certificate[] chain = privateKeyEntry.getCertificateChain();
    assertTrue(chain instanceof X509Certificate[]);
}

Example 35 with KeyPairGenerator

use of java.security.KeyPairGenerator in project robovm by robovm.

the class Signature2Test method getDsaKeys.

private static KeyPair getDsaKeys() throws Exception {
    if (DSA_KEYS == null) {
        KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA");
        keyGen.initialize(1024);
        DSA_KEYS = keyGen.generateKeyPair();
    }
    return DSA_KEYS;
}