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

Example 31 with DSAParameterSpec

use of java.security.spec.DSAParameterSpec in project XobotOS by xamarin.

the class DSAPrivateKeyImpl method readObject.

private void readObject(java.io.ObjectInputStream in) throws NotActiveException, IOException, ClassNotFoundException {
    in.defaultReadObject();
    params = new DSAParameterSpec(p, q, g);
}

Example 32 with DSAParameterSpec

use of java.security.spec.DSAParameterSpec in project XobotOS by xamarin.

the class DSAPublicKeyImpl method readObject.

private void readObject(java.io.ObjectInputStream in) throws NotActiveException, IOException, ClassNotFoundException {
    in.defaultReadObject();
    params = new DSAParameterSpec(p, q, g);
}

Example 33 with DSAParameterSpec

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

the class KeyPairGeneratorTest method testDSAGeneratorWithParams.

public void testDSAGeneratorWithParams() throws Exception {
    final DSAParameterSpec dsaSpec = new DSAParameterSpec(DSA_P, DSA_Q, DSA_G);
    boolean failure = false;
    final Provider[] providers = Security.getProviders();
    for (final Provider p : providers) {
        Service s = p.getService("KeyPairGenerator", "DSA");
        if (s == null) {
            continue;
        }
        final KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA", p);
        kpg.initialize(dsaSpec);
        KeyPair pair = kpg.generateKeyPair();
        DSAPrivateKey privKey = (DSAPrivateKey) pair.getPrivate();
        DSAPublicKey pubKey = (DSAPublicKey) pair.getPublic();
        DSAParams actualParams = privKey.getParams();
        assertNotNull("DSA params should not be null", actualParams);
        assertEquals("DSA P should be the same as supplied with provider " + p.getName(), DSA_P, actualParams.getP());
        assertEquals("DSA Q should be the same as supplied with provider " + p.getName(), DSA_Q, actualParams.getQ());
        assertEquals("DSA G should be the same as supplied with provider " + p.getName(), DSA_G, actualParams.getG());
        actualParams = pubKey.getParams();
        assertNotNull("DSA params should not be null", actualParams);
        assertEquals("DSA P should be the same as supplied with provider " + p.getName(), DSA_P, actualParams.getP());
        assertEquals("DSA Q should be the same as supplied with provider " + p.getName(), DSA_Q, actualParams.getQ());
        assertEquals("DSA G should be the same as supplied with provider " + p.getName(), DSA_G, actualParams.getG());
    }
}

Example 34 with DSAParameterSpec

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

the class DSAKeyPairGeneratorTest method test_DSAKeyPairGenerator01.

/**
     * java.security.interfaces.DSAKeyPairGenerator
     * #initialize(DSAParams params, SecureRandom random)
     */
public void test_DSAKeyPairGenerator01() {
    DSAParams dsaParams = new DSAParameterSpec(p, q, g);
    SecureRandom random = null;
    MyDSA dsa = new MyDSA(dsaParams);
    try {
        random = SecureRandom.getInstance("SHA1PRNG");
    } catch (Exception e) {
        fail("Unexpected exception for SecureRandom: " + e);
    }
    try {
        dsa.initialize(dsaParams, random);
    } catch (Exception e) {
        fail("Unexpected exception: " + e);
    }
    try {
        dsa.initialize(dsaParams, null);
        fail("InvalidParameterException was not thrown");
    } catch (InvalidParameterException ipe) {
    //expected
    } catch (Exception e) {
        fail(e + " was thrown instead of InvalidParameterException");
    }
    try {
        dsa.initialize(null, random);
        fail("InvalidParameterException was not thrown");
    } catch (InvalidParameterException ipe) {
    //expected
    } catch (Exception e) {
        fail(e + " was thrown instead of InvalidParameterException");
    }
}

Example 35 with DSAParameterSpec

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

the class DSAKeyPairGeneratorTest method test_DSAKeyPairGenerator02.

/**
     * java.security.interfaces.DSAKeyPairGenerator
     * #initialize(int modlen, boolean genParams, SecureRandom randomm)
     */
public void test_DSAKeyPairGenerator02() {
    int[] invalidLen = { -1, 0, 511, 513, 650, 1023, 1025 };
    DSAParams dsaParams = new DSAParameterSpec(p, q, g);
    SecureRandom random = null;
    MyDSA dsa = new MyDSA(null);
    try {
        random = SecureRandom.getInstance("SHA1PRNG");
    } catch (Exception e) {
        fail("Unexpected exception for SecureRandom: " + e);
    }
    //exception case
    try {
        dsa.initialize(520, false, random);
        fail("InvalidParameterException was not thrown");
    } catch (InvalidParameterException ipe) {
        String str = ipe.getMessage();
        if (!str.equals("there are not precomputed parameters")) {
            fail("Incorrect exception's message: " + str);
        }
    } catch (Exception e) {
        fail(e + " was thrown instead of InvalidParameterException");
    }
    //exception case
    for (int i = 0; i < invalidLen.length; i++) {
        try {
            dsa.initialize(invalidLen[i], true, random);
            fail("InvalidParameterException was not thrown");
        } catch (InvalidParameterException ipe) {
            String str = ipe.getMessage();
            if (!str.equals("Incorrect modlen")) {
                fail("Incorrect exception's message: " + str);
            }
        } catch (Exception e) {
            fail(e + " was thrown instead of InvalidParameterException");
        }
    }
    //positive case
    dsa = new MyDSA(dsaParams);
    try {
        dsa.initialize(520, true, random);
    } catch (Exception e) {
        fail(e + " was thrown for subcase 1");
    }
    //positive case
    try {
        dsa.initialize(520, false, random);
    } catch (Exception e) {
        fail(e + " was thrown for subcase 1");
    }
}