Examples with DSAPrivateKeySpec java.security.spec.DSAPrivateKeySpec used on opensource projects

Example 1 with DSAPrivateKeySpec

use of java.security.spec.DSAPrivateKeySpec in project robovm by robovm.

the class RandomPrivateKeyX509ExtendedKeyManager method getPrivateKey.

@Override
public PrivateKey getPrivateKey(String alias) {
    PrivateKey originalPrivateKey = super.getPrivateKey(alias);
    if (originalPrivateKey == null) {
        return null;
    }
    PrivateKey result;
    String keyAlgorithm = originalPrivateKey.getAlgorithm();
    try {
        KeyFactory keyFactory = KeyFactory.getInstance(keyAlgorithm);
        if ("RSA".equals(keyAlgorithm)) {
            RSAPrivateKeySpec originalKeySpec = keyFactory.getKeySpec(originalPrivateKey, RSAPrivateKeySpec.class);
            int keyLengthBits = originalKeySpec.getModulus().bitLength();
            // Use a cache because RSA key generation is slow.
            String cacheKey = keyAlgorithm + "-" + keyLengthBits;
            result = cachedKeys.get(cacheKey);
            if (result == null) {
                KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(keyAlgorithm);
                keyPairGenerator.initialize(keyLengthBits);
                result = keyPairGenerator.generateKeyPair().getPrivate();
                cachedKeys.put(cacheKey, result);
            }
        } else if ("DSA".equals(keyAlgorithm)) {
            DSAPrivateKeySpec originalKeySpec = keyFactory.getKeySpec(originalPrivateKey, DSAPrivateKeySpec.class);
            KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(keyAlgorithm);
            keyPairGenerator.initialize(new DSAParameterSpec(originalKeySpec.getP(), originalKeySpec.getQ(), originalKeySpec.getG()));
            result = keyPairGenerator.generateKeyPair().getPrivate();
        } else {
            Assert.fail("Unsupported key algorithm: " + originalPrivateKey.getAlgorithm());
            result = null;
        }
    } catch (GeneralSecurityException e) {
        Assert.fail("Failed to generate private key: " + e);
        result = null;
    }
    return result;
}

Example 2 with DSAPrivateKeySpec

use of java.security.spec.DSAPrivateKeySpec in project robovm by robovm.

the class DSAPrivateKeySpecTest method testGetX.

/**
     * getX() test
     */
public final void testGetX() {
    DSAPrivateKeySpec dpks = new DSAPrivateKeySpec(new BigInteger("1"), new BigInteger("2"), new BigInteger("3"), new BigInteger("4"));
    assertEquals(1, dpks.getX().intValue());
}

Example 3 with DSAPrivateKeySpec

use of java.security.spec.DSAPrivateKeySpec in project robovm by robovm.

the class DSAPrivateKeySpecTest method testGetG.

/**
     * getG() test
     */
public final void testGetG() {
    DSAPrivateKeySpec dpks = new DSAPrivateKeySpec(new BigInteger("1"), new BigInteger("2"), new BigInteger("3"), new BigInteger("4"));
    assertEquals(4, dpks.getG().intValue());
}

Example 4 with DSAPrivateKeySpec

use of java.security.spec.DSAPrivateKeySpec in project robovm by robovm.

the class SignatureTest method testSign_SHA1withDSA_Key_Success.

public void testSign_SHA1withDSA_Key_Success() throws Exception {
    KeyFactory kf = KeyFactory.getInstance("DSA");
    DSAPrivateKeySpec keySpec = new DSAPrivateKeySpec(DSA_priv, DSA_P, DSA_Q, DSA_G);
    PrivateKey privKey = kf.generatePrivate(keySpec);
    Signature sig = Signature.getInstance("SHA1withDSA");
    sig.initSign(privKey);
    sig.update(Vector2Data);
    byte[] signature = sig.sign();
    assertNotNull("Signature must not be null", signature);
    DSAPublicKeySpec pubKeySpec = new DSAPublicKeySpec(DSA_pub, DSA_P, DSA_Q, DSA_G);
    PublicKey pubKey = kf.generatePublic(pubKeySpec);
    sig.initVerify(pubKey);
    sig.update(Vector2Data);
    assertTrue("Signature must verify correctly", sig.verify(signature));
}

Example 5 with DSAPrivateKeySpec

use of java.security.spec.DSAPrivateKeySpec in project robovm by robovm.

the class KeyStore2Test method test_getCreationDate.

/**
     * java.security.KeyStore#getCreationDate(String)
     */
public void test_getCreationDate() throws Exception {
    String type = "DSA";
    KeyStore keyTest = KeyStore.getInstance(KeyStore.getDefaultType());
    try {
        keyTest.getCreationDate("anAlias");
        fail();
    } catch (KeyStoreException expected) {
    }
    keyTest.load(null, pssWord);
    assertNull(keyTest.getCreationDate(""));
    try {
        keyTest.getCreationDate(null);
        fail();
    } catch (NullPointerException expected) {
    }
    Certificate[] chain = { new MyCertificate(type, testEncoding), new MyCertificate(type, testEncoding) };
    PrivateKey privateKey1 = KeyFactory.getInstance(type).generatePrivate(new DSAPrivateKeySpec(new BigInteger("0"), new BigInteger("0"), new BigInteger("0"), new BigInteger("0")));
    KeyStore.PasswordProtection pp = new KeyStore.PasswordProtection(pssWord);
    KeyStore.PrivateKeyEntry pke = new KeyStore.PrivateKeyEntry(getPrivateKey(), chain);
    KeyStore.PrivateKeyEntry pke1 = new KeyStore.PrivateKeyEntry(privateKey1, chain);
    keyTest.setEntry("alias1", pke, pp);
    keyTest.setEntry("alias2", pke1, pp);
    Calendar.getInstance().get(Calendar.DAY_OF_MONTH);
    int dayExpected = Calendar.getInstance().get(Calendar.DAY_OF_MONTH);
    int monthExpected = Calendar.getInstance().get(Calendar.MONTH);
    int yearExpected = Calendar.getInstance().get(Calendar.YEAR);
    int hourExpected = Calendar.getInstance().get(Calendar.HOUR);
    int minuteExpected = Calendar.getInstance().get(Calendar.MINUTE);
    Calendar.getInstance().setTimeInMillis(keyTest.getCreationDate("alias1").getTime());
    int dayActual1 = Calendar.getInstance().get(Calendar.DAY_OF_MONTH);
    int monthActual1 = Calendar.getInstance().get(Calendar.MONTH);
    int yearActual1 = Calendar.getInstance().get(Calendar.YEAR);
    int hourActual1 = Calendar.getInstance().get(Calendar.HOUR);
    int minuteActual1 = Calendar.getInstance().get(Calendar.MINUTE);
    assertEquals(dayExpected, dayActual1);
    assertEquals(monthExpected, monthActual1);
    assertEquals(yearExpected, yearActual1);
    assertEquals(hourExpected, hourActual1);
    assertEquals(minuteExpected, minuteActual1);
    Calendar.getInstance().setTimeInMillis(keyTest.getCreationDate("alias2").getTime());
    int dayActual2 = Calendar.getInstance().get(Calendar.DAY_OF_MONTH);
    int monthActual2 = Calendar.getInstance().get(Calendar.MONTH);
    int yearActual2 = Calendar.getInstance().get(Calendar.YEAR);
    int hourActual2 = Calendar.getInstance().get(Calendar.HOUR);
    int minuteActual2 = Calendar.getInstance().get(Calendar.MINUTE);
    assertEquals(dayExpected, dayActual2);
    assertEquals(monthExpected, monthActual2);
    assertEquals(yearExpected, yearActual2);
    assertEquals(hourExpected, hourActual2);
    assertEquals(minuteExpected, minuteActual2);
    try {
        keyTest.getCreationDate(null);
        fail();
    } catch (NullPointerException expected) {
    }
}