Package java.security.spec

Examples of java.security.spec.DSAParameterSpec

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        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()));
    }
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        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());
    }
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            public DSAParams getParams() {
                BigInteger p = pp;
                BigInteger q = qq;
                BigInteger g = gg;
                return new DSAParameterSpec(p, q, g);
            }

            public String getAlgorithm() {
                return "dummy";
            }
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            public DSAParams getParams() {
                BigInteger p = pp;
                BigInteger q = qq;
                BigInteger g = gg;
                return new DSAParameterSpec(p, q, g);
            }

            public String getAlgorithm() {
                return "dummy";
            }
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        // init(AlgorithmParameterSpec)
        BigInteger p = BigInteger.ONE;
        BigInteger q = BigInteger.TEN;
        BigInteger g = BigInteger.ZERO;
        params.init(new DSAParameterSpec(p, q, g));

        // getEncoded() and getEncoded(String) (TODO verify returned encoding)
        byte[] enc = params.getEncoded();
        assertNotNull(enc);
        assertNotNull(params.getEncoded("ASN.1"));
        // TODO assertNotNull(params.getEncoded(null)); // HARMONY-2680

        // getParameterSpec(Class)
        DSAParameterSpec spec = params.getParameterSpec(DSAParameterSpec.class);
        assertEquals("p is wrong ", p, spec.getP());
        assertEquals("q is wrong ", q, spec.getQ());
        assertEquals("g is wrong ", g, spec.getG());

        // init(byte[])
        params = AlgorithmParameters.getInstance("DSA");
        params.init(enc);
        assertTrue("param encoded is different", Arrays.equals(enc, params
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   */
  public void test_initLjava_security_spec_AlgorithmParameterSpec() throws Exception {
        // Test for method void
        // java.security.AlgorithmParameterGenerator.init(java.security.spec.AlgorithmParameterSpec)
        // checks that InvalidAlgorithmParameterException is thrown
        DSAParameterSpec spec = new DSAParameterSpec(BigInteger.ONE,
                BigInteger.ONE, BigInteger.ONE);
        AlgorithmParameterGenerator gen = AlgorithmParameterGenerator
                .getInstance("DSA");
        try {
            gen.init(spec);
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  public void test_initLjava_security_spec_AlgorithmParameterSpecLjava_security_SecureRandom() throws Exception {
        // Test for method void
        // java.security.AlgorithmParameterGenerator.init(java.security.spec.AlgorithmParameterSpec,
        // java.security.SecureRandom)
        // checks that InvalidAlgorithmParameterException  is thrown
        DSAParameterSpec spec = new DSAParameterSpec(BigInteger.ONE,
                BigInteger.ONE, BigInteger.ONE);
        AlgorithmParameterGenerator gen = AlgorithmParameterGenerator
                .getInstance("DSA");
        try {
            gen.init(spec, new SecureRandom());
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        {
            if (!(params instanceof DSAParameterSpec))
            {
                throw new InvalidAlgorithmParameterException("parameter object not a DSAParameterSpec");
            }
            DSAParameterSpec     dsaParams = (DSAParameterSpec)params;

            param = new DSAKeyGenerationParameters(random, new DSAParameters(dsaParams.getP(), dsaParams.getQ(), dsaParams.getG()));

            engine.init(param);
            initialised = true;
        }
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        if (!areEqual(encodeParams, encodeParams_2))
        {
            fail("encode/decode parameters failed");
        }
       
        DSAParameterSpec dsaP = (DSAParameterSpec)params.getParameterSpec(DSAParameterSpec.class);
       
        KeyPairGenerator    g = KeyPairGenerator.getInstance("DSA", "BC");
        g.initialize(dsaP, new SecureRandom());
        KeyPair p = g.generateKeyPair();
       
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        BigInteger gComponent = keyDescriptor.getG().getValueBigInt();
        BigInteger pComponent = keyDescriptor.getP().getValueBigInt();
        BigInteger qComponent = keyDescriptor.getQ().getValueBigInt();

        DSAParams  dsaParams = new DSAParameterSpec(pComponent, qComponent, gComponent);
        return getDSAKey(keyDescriptor, dsaParams);
    }
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Related Classes of java.security.spec.DSAParameterSpec

  • gnu.java.security.key.dss.DSSKeyPairGenerator
  • gnu.java.security.x509.X509Certificate
  • gnu.testlet.gnu.java.security.jce.TestOfDSSKeyPairGenerator
  • org.apache.geronimo.crypto.jce.provider.JDKDSAPrivateKey
  • org.apache.geronimo.crypto.jce.provider.JDKDSAPublicKey
  • org.apache.geronimo.util.jce.provider.JDKDSAPrivateKey
  • org.apache.geronimo.util.jce.provider.JDKDSAPublicKey
  • org.apache.harmony.crypto.tests.javax.crypto.KeyAgreementTest
  • org.apache.harmony.security.provider.crypto.DSAPrivateKeyImpl
  • org.apache.harmony.security.provider.crypto.DSAPublicKeyImpl
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