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

Example 71 with KeyPairGenerator

use of java.security.KeyPairGenerator in project kdeconnect-android by KDE.

the class DeviceTest method testPairingDone.

// Testing pairing done using reflection since it is private
// Created an unpaired device inside this test
public void testPairingDone() {
    NetworkPackage fakeNetworkPackage = new NetworkPackage(NetworkPackage.PACKAGE_TYPE_IDENTITY);
    fakeNetworkPackage.set("deviceId", "unpairedTestDevice");
    fakeNetworkPackage.set("deviceName", "Unpaired Test Device");
    fakeNetworkPackage.set("protocolVersion", NetworkPackage.ProtocolVersion);
    fakeNetworkPackage.set("deviceType", Device.DeviceType.Phone.toString());
    LanLinkProvider linkProvider = Mockito.mock(LanLinkProvider.class);
    Mockito.when(linkProvider.getName()).thenReturn("LanLinkProvider");
    LanLink link = Mockito.mock(LanLink.class);
    Mockito.when(link.getLinkProvider()).thenReturn(linkProvider);
    Mockito.when(link.getPairingHandler(Mockito.any(Device.class), Mockito.any(BasePairingHandler.PairingHandlerCallback.class))).thenReturn(Mockito.mock(LanPairingHandler.class));
    Device device = new Device(getContext(), fakeNetworkPackage, link);
    KeyPair keyPair;
    try {
        KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
        keyGen.initialize(2048);
        keyPair = keyGen.genKeyPair();
    } catch (Exception e) {
        e.printStackTrace();
        Log.e("KDE/initializeRsaKeys", "Exception");
        return;
    }
    device.publicKey = keyPair.getPublic();
    assertNotNull(device);
    assertEquals(device.getDeviceId(), "unpairedTestDevice");
    assertEquals(device.getName(), "Unpaired Test Device");
    assertEquals(device.getDeviceType(), Device.DeviceType.Phone);
    assertNotNull(device.publicKey);
    assertNull(device.certificate);
    Method method;
    try {
        method = Device.class.getDeclaredMethod("pairingDone");
        method.setAccessible(true);
        method.invoke(device);
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(device.isPaired(), true);
    SharedPreferences preferences = getContext().getSharedPreferences("trusted_devices", Context.MODE_PRIVATE);
    assertEquals(preferences.getBoolean(device.getDeviceId(), false), true);
    SharedPreferences settings = getContext().getSharedPreferences(device.getDeviceId(), Context.MODE_PRIVATE);
    assertEquals(settings.getString("deviceName", "Unknown device"), "Unpaired Test Device");
    assertEquals(settings.getString("deviceType", "tablet"), "phone");
    // Cleanup for unpaired test device
    preferences.edit().remove(device.getDeviceId()).apply();
    settings.edit().clear().apply();
}

Example 72 with KeyPairGenerator

use of java.security.KeyPairGenerator in project kdeconnect-android by KDE.

the class DeviceTest method testPairingDoneWithCertificate.

public void testPairingDoneWithCertificate() throws Exception {
    KeyPair keyPair = null;
    try {
        KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
        keyGen.initialize(2048);
        keyPair = keyGen.genKeyPair();
    } catch (Exception e) {
        e.printStackTrace();
        Log.e("KDE/initializeRsaKeys", "Exception");
    }
    X509Certificate certificate = null;
    try {
        BouncyCastleProvider BC = new BouncyCastleProvider();
        X500NameBuilder nameBuilder = new X500NameBuilder(BCStyle.INSTANCE);
        nameBuilder.addRDN(BCStyle.CN, "testDevice");
        nameBuilder.addRDN(BCStyle.OU, "KDE Connect");
        nameBuilder.addRDN(BCStyle.O, "KDE");
        Date notBefore = new Date(System.currentTimeMillis());
        Date notAfter = new Date(System.currentTimeMillis() + System.currentTimeMillis());
        X509v3CertificateBuilder certificateBuilder = new JcaX509v3CertificateBuilder(nameBuilder.build(), BigInteger.ONE, notBefore, notAfter, nameBuilder.build(), keyPair.getPublic());
        ContentSigner contentSigner = new JcaContentSignerBuilder("SHA256WithRSAEncryption").setProvider(BC).build(keyPair.getPrivate());
        certificate = new JcaX509CertificateConverter().setProvider(BC).getCertificate(certificateBuilder.build(contentSigner));
    } catch (Exception e) {
        e.printStackTrace();
        Log.e("KDE/initialiseCert", "Exception");
    }
    NetworkPackage fakeNetworkPackage = new NetworkPackage(NetworkPackage.PACKAGE_TYPE_IDENTITY);
    fakeNetworkPackage.set("deviceId", "unpairedTestDevice");
    fakeNetworkPackage.set("deviceName", "Unpaired Test Device");
    fakeNetworkPackage.set("protocolVersion", NetworkPackage.ProtocolVersion);
    fakeNetworkPackage.set("deviceType", Device.DeviceType.Phone.toString());
    fakeNetworkPackage.set("certificate", Base64.encodeToString(certificate.getEncoded(), 0));
    LanLinkProvider linkProvider = Mockito.mock(LanLinkProvider.class);
    Mockito.when(linkProvider.getName()).thenReturn("LanLinkProvider");
    LanLink link = Mockito.mock(LanLink.class);
    Mockito.when(link.getPairingHandler(Mockito.any(Device.class), Mockito.any(BasePairingHandler.PairingHandlerCallback.class))).thenReturn(Mockito.mock(LanPairingHandler.class));
    Mockito.when(link.getLinkProvider()).thenReturn(linkProvider);
    Device device = new Device(getContext(), fakeNetworkPackage, link);
    device.publicKey = keyPair.getPublic();
    assertNotNull(device);
    assertEquals(device.getDeviceId(), "unpairedTestDevice");
    assertEquals(device.getName(), "Unpaired Test Device");
    assertEquals(device.getDeviceType(), Device.DeviceType.Phone);
    assertNotNull(device.publicKey);
    assertNotNull(device.certificate);
    Method method;
    try {
        method = Device.class.getDeclaredMethod("pairingDone");
        method.setAccessible(true);
        method.invoke(device);
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(device.isPaired(), true);
    SharedPreferences preferences = getContext().getSharedPreferences("trusted_devices", Context.MODE_PRIVATE);
    assertEquals(preferences.getBoolean(device.getDeviceId(), false), true);
    SharedPreferences settings = getContext().getSharedPreferences(device.getDeviceId(), Context.MODE_PRIVATE);
    assertEquals(settings.getString("deviceName", "Unknown device"), "Unpaired Test Device");
    assertEquals(settings.getString("deviceType", "tablet"), "phone");
    // Cleanup for unpaired test device
    preferences.edit().remove(device.getDeviceId()).apply();
    settings.edit().clear().apply();
}

Example 73 with KeyPairGenerator

use of java.security.KeyPairGenerator in project kdeconnect-android by KDE.

the class NetworkPackageTest method testEncryption.

public void testEncryption() throws JSONException {
    NetworkPackage original = new NetworkPackage("com.test");
    original.set("hello", "hola");
    NetworkPackage copy = NetworkPackage.unserialize(original.serialize());
    NetworkPackage decrypted = new NetworkPackage("");
    KeyPair keyPair;
    try {
        KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
        keyGen.initialize(2048);
        keyPair = keyGen.genKeyPair();
    } catch (Exception e) {
        e.printStackTrace();
        Log.e("KDE/initializeRsaKeys", "Exception");
        return;
    }
    PrivateKey privateKey = keyPair.getPrivate();
    assertNotNull(privateKey);
    PublicKey publicKey = keyPair.getPublic();
    assertNotNull(publicKey);
    // Encrypt and decrypt np
    assertEquals(original.getType(), "com.test");
    try {
        NetworkPackage encrypted = RsaHelper.encrypt(original, publicKey);
        assertEquals(encrypted.getType(), NetworkPackage.PACKAGE_TYPE_ENCRYPTED);
        decrypted = RsaHelper.decrypt(encrypted, privateKey);
        assertEquals(decrypted.getType(), "com.test");
    } catch (Exception e) {
        e.printStackTrace();
    }
    // np should be equal to np2
    assertEquals(decrypted.getLong("id"), copy.getLong("id"));
    assertEquals(decrypted.getType(), copy.getType());
    assertEquals(decrypted.getJSONArray("body"), copy.getJSONArray("body"));
    String json = "{\"body\":{\"nowPlaying\":\"A really long song name - A really long artist name\",\"player\":\"A really long player name\",\"the_meaning_of_life_the_universe_and_everything\":\"42\"},\"id\":945945945,\"type\":\"kdeconnect.a_really_really_long_package_type\"}\n";
    NetworkPackage longJsonNp = NetworkPackage.unserialize(json);
    try {
        NetworkPackage encrypted = RsaHelper.encrypt(longJsonNp, publicKey);
        decrypted = RsaHelper.decrypt(encrypted, privateKey);
        String decryptedJson = decrypted.serialize();
        JSONAssert.assertEquals(json, decryptedJson, true);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Example 74 with KeyPairGenerator

use of java.security.KeyPairGenerator in project jdk8u_jdk by JetBrains.

the class RSAEncryptDecrypt method main.

public static void main(String[] args) throws Exception {
    KeyPairGenerator generator = KeyPairGenerator.getInstance("RSA", "SunMSCAPI");
    KeyPair keyPair = generator.generateKeyPair();
    Key publicKey = keyPair.getPublic();
    Key privateKey = keyPair.getPrivate();
    Cipher cipher = null;
    try {
        cipher = Cipher.getInstance("RSA", "SunMSCAPI");
    } catch (GeneralSecurityException e) {
        System.out.println("Cipher not supported by provider, skipping...");
        return;
    }
    cipher.init(Cipher.ENCRYPT_MODE, publicKey);
    displayBytes("Plaintext data:", PLAINTEXT);
    byte[] data = cipher.doFinal(PLAINTEXT);
    displayBytes("Encrypted data:", data);
    cipher.init(Cipher.DECRYPT_MODE, privateKey);
    data = cipher.doFinal(data);
    displayBytes("Decrypted data:", data);
}

Example 75 with KeyPairGenerator

use of java.security.KeyPairGenerator in project jdk8u_jdk by JetBrains.

the class GenerationTests method generateKeyPair.

static KeyPair generateKeyPair(SignatureMethod sm) throws NoSuchAlgorithmException {
    KeyPairGenerator keygen;
    switch(sm.getAlgorithm()) {
        case SignatureMethod.DSA_SHA1:
            keygen = KeyPairGenerator.getInstance("DSA");
            break;
        case SignatureMethod.RSA_SHA1:
            keygen = KeyPairGenerator.getInstance("RSA");
            break;
        default:
            throw new RuntimeException("Unsupported signature algorithm");
    }
    SecureRandom random = new SecureRandom();
    keygen.initialize(1024, random);
    return keygen.generateKeyPair();
}