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

Example 91 with KeyPair

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

the class VerifyRangeCheckOverflow method main.

public static void main(String[] args) throws Exception {
    KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("DSA");
    keyPairGenerator.initialize(1024);
    KeyPair keys = keyPairGenerator.generateKeyPair();
    PublicKey publicKey = keys.getPublic();
    byte[] sigBytes = new byte[100];
    Signature signature = Signature.getInstance("SHA1withDSA");
    signature.initVerify(publicKey);
    try {
        signature.verify(sigBytes, Integer.MAX_VALUE, 1);
    } catch (IllegalArgumentException ex) {
    // Expected
    }
}

Example 92 with KeyPair

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

the class Chain method runTest.

static boolean runTest(Test test) {
    System.out.format("Test: provider = %s, signature algorithm = %s, " + "key algorithm = %s\n", test.provider, test.sigAlg, test.keyAlg);
    try {
        // Generate all private/public key pairs
        PrivateKey[] privKeys = new PrivateKey[N];
        PublicKey[] pubKeys = new PublicKey[N];
        PublicKey[] anotherPubKeys = new PublicKey[N];
        KeyPairGenerator kpg = KeyPairGenerator.getInstance(test.keyAlg.name);
        for (int j = 0; j < N; j++) {
            KeyPair kp = kpg.genKeyPair();
            KeyPair anotherKp = kpg.genKeyPair();
            privKeys[j] = kp.getPrivate();
            pubKeys[j] = kp.getPublic();
            anotherPubKeys[j] = anotherKp.getPublic();
            if (Arrays.equals(pubKeys[j].getEncoded(), anotherPubKeys[j].getEncoded())) {
                System.out.println("Failed: it should not get " + "the same pair of public key");
                return false;
            }
        }
        Signature signature;
        if (test.provider != Provider.Default) {
            signature = Signature.getInstance(test.sigAlg.name, test.provider.name);
        } else {
            signature = Signature.getInstance(test.sigAlg.name);
        }
        // Create a chain of signed objects
        SignedObject[] objects = new SignedObject[N];
        objects[0] = new SignedObject(str, privKeys[0], signature);
        for (int j = 1; j < N; j++) {
            objects[j] = new SignedObject(objects[j - 1], privKeys[j], signature);
        }
        // Verify the chain
        int n = objects.length - 1;
        SignedObject object = objects[n];
        do {
            if (!object.verify(pubKeys[n], signature)) {
                System.out.println("Failed: verification failed, n = " + n);
                return false;
            }
            if (object.verify(anotherPubKeys[n], signature)) {
                System.out.println("Failed: verification should not " + "succeed with wrong public key, n = " + n);
                return false;
            }
            object = (SignedObject) object.getObject();
            n--;
        } while (n > 0);
        System.out.println("signed data: " + object.getObject());
        if (!str.equals(object.getObject())) {
            System.out.println("Failed: signed data is not equal to " + "original one");
            return false;
        }
        System.out.println("Test passed");
        return true;
    } catch (NoSuchProviderException nspe) {
        if (test.provider == Provider.SunMSCAPI && !System.getProperty("os.name").startsWith("Windows")) {
            System.out.println("SunMSCAPI is available only on Windows: " + nspe);
            return true;
        }
        System.out.println("Unexpected exception: " + nspe);
        return false;
    } catch (Exception e) {
        System.out.println("Unexpected exception: " + e);
        e.printStackTrace(System.out);
        return false;
    }
}

Example 93 with KeyPair

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

the class Copy method main.

public static void main(String[] args) throws Exception {
    KeyPairGenerator kg = KeyPairGenerator.getInstance(DSA);
    kg.initialize(KEY_SIZE);
    KeyPair kp = kg.genKeyPair();
    Signature signature = Signature.getInstance(DSA);
    Test original = new Test();
    SignedObject so = new SignedObject(original, kp.getPrivate(), signature);
    System.out.println("Signature algorithm: " + so.getAlgorithm());
    signature = Signature.getInstance(DSA, "SUN");
    if (!so.verify(kp.getPublic(), signature)) {
        throw new RuntimeException("Verification failed");
    }
    kg = KeyPairGenerator.getInstance(DSA);
    kg.initialize(KEY_SIZE);
    kp = kg.genKeyPair();
    if (so.verify(kp.getPublic(), signature)) {
        throw new RuntimeException("Unexpected success");
    }
    Object copy = so.getObject();
    if (!original.equals(copy)) {
        throw new RuntimeException("Signed object is not equal " + "to original one: " + copy);
    }
    /*
         * The signed object is a copy of an original one.
         * Once the copy is made, further manipulation
         * of the original object shouldn't has any effect on the copy.
         */
    original.set(MAGIC - 1);
    copy = so.getObject();
    if (original.equals(copy)) {
        throw new RuntimeException("Signed object is not a copy " + "of original one: " + copy);
    }
    System.out.println("Test passed");
}

Example 94 with KeyPair

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

the class SignatureTest method main.

public static void main(String[] args) throws Exception {
    String testAlg = args[0];
    int testSize = Integer.parseInt(args[1]);
    byte[] data = new byte[100];
    RandomFactory.getRandom().nextBytes(data);
    // create a key pair
    KeyPair kpair = generateKeys(KEYALG, testSize);
    Key[] privs = manipulateKey(PRIVATE_KEY, kpair.getPrivate());
    Key[] pubs = manipulateKey(PUBLIC_KEY, kpair.getPublic());
    // For signature algorithm, create and verify a signature
    Arrays.stream(privs).forEach(priv -> Arrays.stream(pubs).forEach(pub -> {
        try {
            checkSignature(data, (PublicKey) pub, (PrivateKey) priv, testAlg);
        } catch (NoSuchAlgorithmException | InvalidKeyException | SignatureException | NoSuchProviderException ex) {
            throw new RuntimeException(ex);
        }
    }));
}

Example 95 with KeyPair

use of java.security.KeyPair 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();
}