Examples with PBEParameterSpec javax.crypto.spec.PBEParameterSpec used on opensource projects

Example 36 with PBEParameterSpec

use of javax.crypto.spec.PBEParameterSpec in project XobotOS by xamarin.

the class JDKKeyStore method makePBECipher.

protected Cipher makePBECipher(String algorithm, int mode, char[] password, byte[] salt, int iterationCount) throws IOException {
    try {
        PBEKeySpec pbeSpec = new PBEKeySpec(password);
        SecretKeyFactory keyFact = SecretKeyFactory.getInstance(algorithm, BouncyCastleProvider.PROVIDER_NAME);
        PBEParameterSpec defParams = new PBEParameterSpec(salt, iterationCount);
        Cipher cipher = Cipher.getInstance(algorithm, BouncyCastleProvider.PROVIDER_NAME);
        cipher.init(mode, keyFact.generateSecret(pbeSpec), defParams);
        return cipher;
    } catch (Exception e) {
        throw new IOException("Error initialising store of key store: " + e);
    }
}

Example 37 with PBEParameterSpec

use of javax.crypto.spec.PBEParameterSpec in project XobotOS by xamarin.

the class JDKPKCS12KeyStore method calculatePbeMac.

private static byte[] calculatePbeMac(DERObjectIdentifier oid, byte[] salt, int itCount, char[] password, boolean wrongPkcs12Zero, byte[] data) throws Exception {
    SecretKeyFactory keyFact = SecretKeyFactory.getInstance(oid.getId(), bcProvider);
    PBEParameterSpec defParams = new PBEParameterSpec(salt, itCount);
    PBEKeySpec pbeSpec = new PBEKeySpec(password);
    JCEPBEKey key = (JCEPBEKey) keyFact.generateSecret(pbeSpec);
    key.setTryWrongPKCS12Zero(wrongPkcs12Zero);
    Mac mac = Mac.getInstance(oid.getId(), bcProvider);
    mac.init(key, defParams);
    mac.update(data);
    return mac.doFinal();
}

Example 38 with PBEParameterSpec

use of javax.crypto.spec.PBEParameterSpec in project XobotOS by xamarin.

the class WrapCipherSpi method engineInit.

protected void engineInit(int opmode, Key key, AlgorithmParameterSpec params, SecureRandom random) throws InvalidKeyException, InvalidAlgorithmParameterException {
    CipherParameters param;
    if (key instanceof JCEPBEKey) {
        JCEPBEKey k = (JCEPBEKey) key;
        if (params instanceof PBEParameterSpec) {
            param = PBE.Util.makePBEParameters(k, params, wrapEngine.getAlgorithmName());
        } else if (k.getParam() != null) {
            param = k.getParam();
        } else {
            throw new InvalidAlgorithmParameterException("PBE requires PBE parameters to be set.");
        }
    } else {
        param = new KeyParameter(key.getEncoded());
    }
    if (params instanceof javax.crypto.spec.IvParameterSpec) {
        IvParameterSpec iv = (IvParameterSpec) params;
        param = new ParametersWithIV(param, iv.getIV());
    }
    if (param instanceof KeyParameter && ivSize != 0) {
        iv = new byte[ivSize];
        random.nextBytes(iv);
        param = new ParametersWithIV(param, iv);
    }
    switch(opmode) {
        case Cipher.WRAP_MODE:
            wrapEngine.init(true, param);
            break;
        case Cipher.UNWRAP_MODE:
            wrapEngine.init(false, param);
            break;
        case Cipher.ENCRYPT_MODE:
        case Cipher.DECRYPT_MODE:
            throw new IllegalArgumentException("engine only valid for wrapping");
        default:
            System.out.println("eeek!");
    }
}

Example 39 with PBEParameterSpec

use of javax.crypto.spec.PBEParameterSpec in project robovm by robovm.

the class PBEParameterSpecTest method testGetSalt.

/**
     * getSalt() method testing. Tests that returned salt is equal
     * to the salt specified in the constructor and that the change of
     * returned array does not cause the change of internal array.
     */
public void testGetSalt() {
    byte[] salt = new byte[] { 1, 2, 3, 4, 5 };
    int iterationCount = 10;
    PBEParameterSpec pbeps = new PBEParameterSpec(salt, iterationCount);
    byte[] result = pbeps.getSalt();
    if (!Arrays.equals(salt, result)) {
        fail("The returned salt is not equal to the specified " + "in the constructor.");
    }
    result[0]++;
    assertFalse("The change of returned by getSalt() method salt" + "should not cause the change of internal array.", result[0] == pbeps.getSalt()[0]);
}

Example 40 with PBEParameterSpec

use of javax.crypto.spec.PBEParameterSpec in project robovm by robovm.

the class PBEParameterSpecTest method testPBEParameterSpec.

/**
     * PBEParameterSpec(byte[] salt, int iterationCount) method testing.
     * Tests the behavior of the method in the case of null input array
     * and tests that input array is copied during the object initialization.
     */
public void testPBEParameterSpec() {
    byte[] salt = { 1, 2, 3, 4, 5 };
    int iterationCount = 10;
    try {
        new PBEParameterSpec(null, iterationCount);
        fail("A NullPointerException should be was thrown " + "in the case of null salt.");
    } catch (NullPointerException e) {
    }
    PBEParameterSpec pbeps = new PBEParameterSpec(salt, iterationCount);
    salt[0]++;
    assertFalse("The change of salt specified in the constructor " + "should not cause the change of internal array.", salt[0] == pbeps.getSalt()[0]);
}