Java Code Examples for java.security.AlgorithmParameters#getAlgorithm()

The following examples show how to use java.security.AlgorithmParameters#getAlgorithm() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: PBEParametersTest.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
    PBEKeySpec ks = new PBEKeySpec(PASSWORD);
    for (int i = 0; i < PBE_ALGOS.length; i++) {
        String algo = PBE_ALGOS[i];
        SecretKeyFactory skf = SecretKeyFactory.getInstance(algo);
        SecretKey key = skf.generateSecret(ks);
        Cipher c = Cipher.getInstance(algo, "SunJCE");
        c.init(Cipher.ENCRYPT_MODE, key);
        c.doFinal(new byte[10]); // force the generation of parameters
        AlgorithmParameters params = c.getParameters();
        if (!params.getAlgorithm().equalsIgnoreCase(algo)) {
            throw new Exception("expect: " + algo +
                                ", but got: " + params.getAlgorithm());
        }
        System.out.println(algo + "...done...");
    }
    System.out.println("Test Passed");
}
Example 2
Source File: TestAlgParameterGenerator.java    From dragonwell8_jdk with GNU General Public License v2.0 6 votes vote down vote up 
private static void checkParamStrength(AlgorithmParameters param,
        DSAGenParameterSpec genParam)
        throws Exception {
    String algo = param.getAlgorithm();
    if (!algo.equalsIgnoreCase("DSA")) {
        throw new RuntimeException("Unexpected type of parameters: " + algo);
    }
    DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class);
    int valueL = spec.getP().bitLength();
    int strength = genParam.getPrimePLength();
    if (strength != valueL) {
        System.out.println("P: Expected " + strength + " but actual " + valueL);
        throw new RuntimeException("Wrong P strength");
    }
    int valueN = spec.getQ().bitLength();
    strength = genParam.getSubprimeQLength();
    if (strength != valueN) {
        System.out.println("Q: Expected " + strength + " but actual " + valueN);
        throw new RuntimeException("Wrong Q strength");
    }
}
Example 3
Source File: PBEParametersTest.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
    PBEKeySpec ks = new PBEKeySpec(PASSWORD);
    for (int i = 0; i < PBE_ALGOS.length; i++) {
        String algo = PBE_ALGOS[i];
        SecretKeyFactory skf = SecretKeyFactory.getInstance(algo);
        SecretKey key = skf.generateSecret(ks);
        Cipher c = Cipher.getInstance(algo, "SunJCE");
        c.init(Cipher.ENCRYPT_MODE, key);
        c.doFinal(new byte[10]); // force the generation of parameters
        AlgorithmParameters params = c.getParameters();
        if (!params.getAlgorithm().equalsIgnoreCase(algo)) {
            throw new Exception("expect: " + algo +
                                ", but got: " + params.getAlgorithm());
        }
        System.out.println(algo + "...done...");
    }
    System.out.println("Test Passed");
}
Example 4
Source File: PBEParametersTest.java    From openjdk-8 with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
    PBEKeySpec ks = new PBEKeySpec(PASSWORD);
    for (int i = 0; i < PBE_ALGOS.length; i++) {
        String algo = PBE_ALGOS[i];
        SecretKeyFactory skf = SecretKeyFactory.getInstance(algo);
        SecretKey key = skf.generateSecret(ks);
        Cipher c = Cipher.getInstance(algo, "SunJCE");
        c.init(Cipher.ENCRYPT_MODE, key);
        c.doFinal(new byte[10]); // force the generation of parameters
        AlgorithmParameters params = c.getParameters();
        if (!params.getAlgorithm().equalsIgnoreCase(algo)) {
            throw new Exception("expect: " + algo +
                                ", but got: " + params.getAlgorithm());
        }
        System.out.println(algo + "...done...");
    }
    System.out.println("Test Passed");
}
Example 5
Source File: PBEParametersTest.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
    PBEKeySpec ks = new PBEKeySpec(PASSWORD);
    for (int i = 0; i < PBE_ALGOS.length; i++) {
        String algo = PBE_ALGOS[i];
        SecretKeyFactory skf = SecretKeyFactory.getInstance(algo);
        SecretKey key = skf.generateSecret(ks);
        Cipher c = Cipher.getInstance(algo, "SunJCE");
        c.init(Cipher.ENCRYPT_MODE, key);
        c.doFinal(new byte[10]); // force the generation of parameters
        AlgorithmParameters params = c.getParameters();
        if (!params.getAlgorithm().equalsIgnoreCase(algo)) {
            throw new Exception("expect: " + algo +
                                ", but got: " + params.getAlgorithm());
        }
        System.out.println(algo + "...done...");
    }
    System.out.println("Test Passed");
}
Example 6
Source File: TestAlgParameterGenerator.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
private static void checkParamStrength(AlgorithmParameters param,
        DSAGenParameterSpec genParam)
        throws Exception {
    String algo = param.getAlgorithm();
    if (!algo.equalsIgnoreCase("DSA")) {
        throw new RuntimeException("Unexpected type of parameters: " + algo);
    }
    DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class);
    int valueL = spec.getP().bitLength();
    int strength = genParam.getPrimePLength();
    if (strength != valueL) {
        System.out.println("P: Expected " + strength + " but actual " + valueL);
        throw new RuntimeException("Wrong P strength");
    }
    int valueN = spec.getQ().bitLength();
    strength = genParam.getSubprimeQLength();
    if (strength != valueN) {
        System.out.println("Q: Expected " + strength + " but actual " + valueN);
        throw new RuntimeException("Wrong Q strength");
    }
}
Example 7
Source File: PBEParametersTest.java    From jdk8u_jdk with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
    PBEKeySpec ks = new PBEKeySpec(PASSWORD);
    for (int i = 0; i < PBE_ALGOS.length; i++) {
        String algo = PBE_ALGOS[i];
        SecretKeyFactory skf = SecretKeyFactory.getInstance(algo);
        SecretKey key = skf.generateSecret(ks);
        Cipher c = Cipher.getInstance(algo, "SunJCE");
        c.init(Cipher.ENCRYPT_MODE, key);
        c.doFinal(new byte[10]); // force the generation of parameters
        AlgorithmParameters params = c.getParameters();
        if (!params.getAlgorithm().equalsIgnoreCase(algo)) {
            throw new Exception("expect: " + algo +
                                ", but got: " + params.getAlgorithm());
        }
        System.out.println(algo + "...done...");
    }
    System.out.println("Test Passed");
}
Example 8
Source File: PBEParametersTest.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
    PBEKeySpec ks = new PBEKeySpec(PASSWORD);
    for (int i = 0; i < PBE_ALGOS.length; i++) {
        String algo = PBE_ALGOS[i];
        SecretKeyFactory skf = SecretKeyFactory.getInstance(algo);
        SecretKey key = skf.generateSecret(ks);
        Cipher c = Cipher.getInstance(algo, "SunJCE");
        c.init(Cipher.ENCRYPT_MODE, key);
        c.doFinal(new byte[10]); // force the generation of parameters
        AlgorithmParameters params = c.getParameters();
        if (!params.getAlgorithm().equalsIgnoreCase(algo)) {
            throw new Exception("expect: " + algo +
                                ", but got: " + params.getAlgorithm());
        }
        System.out.println(algo + "...done...");
    }
    System.out.println("Test Passed");
}
Example 9
Source File: RC2AlgorithmParameters.java    From jdk8u-dev-jdk with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {

        byte[] iv_1 = {
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x33,(byte)0x33
        };

        // check that RC2 is supported by our provider
        AlgorithmParameters rc2Params =
           AlgorithmParameters.getInstance("RC2", "SunJCE");

        // check that getAlgorithm returns "RC2"
        if (!rc2Params.getAlgorithm().equals("RC2")) {
            throw new Exception("getAlgorithm() returned "
                + rc2Params.getAlgorithm() + " instead of RC2");
        }

        // test parameters with effective key size and iv
        byte[] encoded = testParams(rc2Params, new RC2ParameterSpec(2, iv_1));

        // test parameters with just iv
        encoded = testParams(AlgorithmParameters.getInstance("RC2"),
            new RC2ParameterSpec(0, iv_1));

        // test vectors in RFC 2268
        runTests(tests);
    }
Example 10
Source File: RC2AlgorithmParameters.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {

        byte[] iv_1 = {
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x33,(byte)0x33
        };

        // check that RC2 is supported by our provider
        AlgorithmParameters rc2Params =
           AlgorithmParameters.getInstance("RC2", "SunJCE");

        // check that getAlgorithm returns "RC2"
        if (!rc2Params.getAlgorithm().equals("RC2")) {
            throw new Exception("getAlgorithm() returned "
                + rc2Params.getAlgorithm() + " instead of RC2");
        }

        // test parameters with effective key size and iv
        byte[] encoded = testParams(rc2Params, new RC2ParameterSpec(2, iv_1));

        // test parameters with just iv
        encoded = testParams(AlgorithmParameters.getInstance("RC2"),
            new RC2ParameterSpec(0, iv_1));

        // test vectors in RFC 2268
        runTests(tests);
    }
Example 11
Source File: TestDSAGenParameterSpec.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
private static void checkParam(AlgorithmParameters param,
        DSAGenParameterSpec genParam) throws InvalidParameterSpecException,
        NoSuchAlgorithmException, NoSuchProviderException,
        InvalidAlgorithmParameterException {
    String algorithm = param.getAlgorithm();
    if (!algorithm.equalsIgnoreCase(ALGORITHM_NAME)) {
        throw new RuntimeException(
                "Unexpected type of parameters: " + algorithm);
    }

    DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class);
    int valueL = spec.getP().bitLength();
    int strengthP = genParam.getPrimePLength();
    if (strengthP != valueL) {
        System.out.printf("P: Expected %d but actual %d%n", strengthP,
                valueL);
        throw new RuntimeException("Wrong P strength");
    }

    int valueN = spec.getQ().bitLength();
    int strengthQ = genParam.getSubprimeQLength();
    if (strengthQ != valueN) {
        System.out.printf("Q: Expected %d but actual %d%n", strengthQ,
                valueN);
        throw new RuntimeException("Wrong Q strength");
    }

    if (genParam.getSubprimeQLength() != genParam.getSeedLength()) {
        System.out.println("Defaut seed length should be the same as Q.");
        throw new RuntimeException("Wrong seed length");
    }

    KeyPairGenerator keyGen = KeyPairGenerator.getInstance(ALGORITHM_NAME,
            PROVIDER_NAME);
    keyGen.initialize(spec);
}
Example 12
Source File: RC2AlgorithmParameters.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {

        byte[] iv_1 = {
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x33,(byte)0x33
        };

        // check that RC2 is supported by our provider
        AlgorithmParameters rc2Params =
           AlgorithmParameters.getInstance("RC2", "SunJCE");

        // check that getAlgorithm returns "RC2"
        if (!rc2Params.getAlgorithm().equals("RC2")) {
            throw new Exception("getAlgorithm() returned "
                + rc2Params.getAlgorithm() + " instead of RC2");
        }

        // test parameters with effective key size and iv
        byte[] encoded = testParams(rc2Params, new RC2ParameterSpec(2, iv_1));

        // test parameters with just iv
        encoded = testParams(AlgorithmParameters.getInstance("RC2"),
            new RC2ParameterSpec(0, iv_1));

        // test vectors in RFC 2268
        runTests(tests);
    }
Example 13
Source File: RC2AlgorithmParameters.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {

        byte[] iv_1 = {
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x33,(byte)0x33
        };

        // check that RC2 is supported by our provider
        AlgorithmParameters rc2Params =
           AlgorithmParameters.getInstance("RC2", "SunJCE");

        // check that getAlgorithm returns "RC2"
        if (!rc2Params.getAlgorithm().equals("RC2")) {
            throw new Exception("getAlgorithm() returned "
                + rc2Params.getAlgorithm() + " instead of RC2");
        }

        // test parameters with effective key size and iv
        byte[] encoded = testParams(rc2Params, new RC2ParameterSpec(2, iv_1));

        // test parameters with just iv
        encoded = testParams(AlgorithmParameters.getInstance("RC2"),
            new RC2ParameterSpec(0, iv_1));

        // test vectors in RFC 2268
        runTests(tests);
    }
Example 14
Source File: TestAlgParameterGenerator.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
private static void checkParamStrength(AlgorithmParameters param,
        int strength) throws Exception {
    String algo = param.getAlgorithm();
    if (!algo.equalsIgnoreCase("DSA")) {
        throw new RuntimeException("Unexpected type of parameters: " + algo);
    }
    DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class);
    int valueL = spec.getP().bitLength();
    if (strength != valueL) {
        System.out.println("Expected " + strength + " but actual " + valueL);
        throw new RuntimeException("Wrong P strength");
    }
}
Example 15
Source File: TestAlgParameterGenerator.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
private static void checkParamStrength(AlgorithmParameters param,
        int strength) throws Exception {
    String algo = param.getAlgorithm();
    if (!algo.equalsIgnoreCase("DSA")) {
        throw new RuntimeException("Unexpected type of parameters: " + algo);
    }
    DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class);
    int valueL = spec.getP().bitLength();
    if (strength != valueL) {
        System.out.println("Expected " + strength + " but actual " + valueL);
        throw new RuntimeException("Wrong P strength");
    }
}
Example 16
Source File: RC2AlgorithmParameters.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {

        byte[] iv_1 = {
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x33,(byte)0x33
        };

        // check that RC2 is supported by our provider
        AlgorithmParameters rc2Params =
           AlgorithmParameters.getInstance("RC2", "SunJCE");

        // check that getAlgorithm returns "RC2"
        if (!rc2Params.getAlgorithm().equals("RC2")) {
            throw new Exception("getAlgorithm() returned "
                + rc2Params.getAlgorithm() + " instead of RC2");
        }

        // test parameters with effective key size and iv
        byte[] encoded = testParams(rc2Params, new RC2ParameterSpec(2, iv_1));

        // test parameters with just iv
        encoded = testParams(AlgorithmParameters.getInstance("RC2"),
            new RC2ParameterSpec(0, iv_1));

        // test vectors in RFC 2268
        runTests(tests);
    }
Example 17
Source File: TestDSAGenParameterSpec.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
private static void checkParam(AlgorithmParameters param,
        DSAGenParameterSpec genParam) throws InvalidParameterSpecException,
                NoSuchAlgorithmException, NoSuchProviderException,
                InvalidAlgorithmParameterException {
    String algorithm = param.getAlgorithm();
    if (!algorithm.equalsIgnoreCase(ALGORITHM_NAME)) {
        throw new RuntimeException(
                "Unexpected type of parameters: " + algorithm);
    }

    DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class);
    int valueL = spec.getP().bitLength();
    int strengthP = genParam.getPrimePLength();
    if (strengthP != valueL) {
        System.out.printf("P: Expected %d but actual %d%n", strengthP,
                valueL);
        throw new RuntimeException("Wrong P strength");
    }

    int valueN = spec.getQ().bitLength();
    int strengthQ = genParam.getSubprimeQLength();
    if (strengthQ != valueN) {
        System.out.printf("Q: Expected %d but actual %d%n", strengthQ,
                valueN);
        throw new RuntimeException("Wrong Q strength");
    }

    if (genParam.getSubprimeQLength() != genParam.getSeedLength()) {
        System.out.println("Defaut seed length should be the same as Q.");
        throw new RuntimeException("Wrong seed length");
    }

    // use the parameters to generate real DSA keys
    KeyPairGenerator keyGen = KeyPairGenerator.getInstance(ALGORITHM_NAME,
            PROVIDER_NAME);
    keyGen.initialize(spec);
    keyGen.generateKeyPair();
}
Example 18
Source File: RC2AlgorithmParameters.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {

        byte[] iv_1 = {
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x33,(byte)0x33
        };

        // check that RC2 is supported by our provider
        AlgorithmParameters rc2Params =
           AlgorithmParameters.getInstance("RC2", "SunJCE");

        // check that getAlgorithm returns "RC2"
        if (!rc2Params.getAlgorithm().equals("RC2")) {
            throw new Exception("getAlgorithm() returned "
                + rc2Params.getAlgorithm() + " instead of RC2");
        }

        // test parameters with effective key size and iv
        byte[] encoded = testParams(rc2Params, new RC2ParameterSpec(2, iv_1));

        // test parameters with just iv
        encoded = testParams(AlgorithmParameters.getInstance("RC2"),
            new RC2ParameterSpec(0, iv_1));

        // test vectors in RFC 2268
        runTests(tests);
    }
Example 19
Source File: RC2AlgorithmParameters.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {

        byte[] iv_1 = {
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x11,(byte)0x11,(byte)0x11,(byte)0x11,
            (byte)0x33,(byte)0x33
        };

        // check that RC2 is supported by our provider
        AlgorithmParameters rc2Params =
           AlgorithmParameters.getInstance("RC2", "SunJCE");

        // check that getAlgorithm returns "RC2"
        if (!rc2Params.getAlgorithm().equals("RC2")) {
            throw new Exception("getAlgorithm() returned "
                + rc2Params.getAlgorithm() + " instead of RC2");
        }

        // test parameters with effective key size and iv
        byte[] encoded = testParams(rc2Params, new RC2ParameterSpec(2, iv_1));

        // test parameters with just iv
        encoded = testParams(AlgorithmParameters.getInstance("RC2"),
            new RC2ParameterSpec(0, iv_1));

        // test vectors in RFC 2268
        runTests(tests);
    }
Example 20
Source File: TestDSAGenParameterSpec.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
private static void checkParam(AlgorithmParameters param,
        DSAGenParameterSpec genParam) throws InvalidParameterSpecException,
                NoSuchAlgorithmException, NoSuchProviderException,
                InvalidAlgorithmParameterException {
    String algorithm = param.getAlgorithm();
    if (!algorithm.equalsIgnoreCase(ALGORITHM_NAME)) {
        throw new RuntimeException(
                "Unexpected type of parameters: " + algorithm);
    }

    DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class);
    int valueL = spec.getP().bitLength();
    int strengthP = genParam.getPrimePLength();
    if (strengthP != valueL) {
        System.out.printf("P: Expected %d but actual %d%n", strengthP,
                valueL);
        throw new RuntimeException("Wrong P strength");
    }

    int valueN = spec.getQ().bitLength();
    int strengthQ = genParam.getSubprimeQLength();
    if (strengthQ != valueN) {
        System.out.printf("Q: Expected %d but actual %d%n", strengthQ,
                valueN);
        throw new RuntimeException("Wrong Q strength");
    }

    if (genParam.getSubprimeQLength() != genParam.getSeedLength()) {
        System.out.println("Defaut seed length should be the same as Q.");
        throw new RuntimeException("Wrong seed length");
    }

    // use the parameters to generate real DSA keys
    KeyPairGenerator keyGen = KeyPairGenerator.getInstance(ALGORITHM_NAME,
            PROVIDER_NAME);
    keyGen.initialize(spec);
    keyGen.generateKeyPair();
}