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

Example 81 with PBEKeySpec

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

the class PBEKeySpecTest method testGetIterationCount.

/**
     * getIterationCount() method testing. Tests that returned value is equal
     * to the value specified in the constructor.
     * Also it checks that the method returns 0 if iterationCount is not
     * specified.
     */
public void testGetIterationCount() {
    char[] password = new char[] { '1', '2', '3', '4', '5' };
    byte[] salt = new byte[] { 1, 2, 3, 4, 5 };
    int iterationCount = 10;
    PBEKeySpec pbeks = new PBEKeySpec(password, salt, iterationCount);
    assertTrue("The returned iterationCount is not equal to the specified " + "in the constructor.", pbeks.getIterationCount() == iterationCount);
    pbeks = new PBEKeySpec(password);
    assertTrue("The getIterationCount() method should return 0 " + "if the iterationCount is not specified.", pbeks.getIterationCount() == 0);
}

Example 82 with PBEKeySpec

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

the class PBEKeySpecTest method testPBEKeySpec2.

/**
     * PBEKeySpec(char[] password, byte[] salt, int iterationCount, int
     * keyLength) method testing. Tests the behavior of the method in the case
     * of inappropriate parameters and checks that array objects specified as
     * a parameters are copied during the object initialization.
     */
public void testPBEKeySpec2() {
    char[] password = new char[] { '1', '2', '3', '4', '5' };
    byte[] salt = new byte[] { 1, 2, 3, 4, 5 };
    int iterationCount = 10;
    int keyLength = 10;
    try {
        PBEKeySpec pbeks = new PBEKeySpec(null, salt, iterationCount, keyLength);
        assertTrue("An empty char[] should be used in case of null input " + "char array.", pbeks.getPassword().length == 0);
    } catch (IllegalArgumentException e) {
        fail("Unexpected IllegalArgumentException was thrown.");
    } catch (NullPointerException e) {
        fail("Unexpected NullPointerException was thrown.");
    }
    try {
        new PBEKeySpec(password, null, iterationCount, keyLength);
        fail("A NullPointerException should be was thrown " + "in the case of null salt.");
    } catch (IllegalArgumentException e) {
        fail("Unexpected IllegalArgumentException was thrown.");
    } catch (NullPointerException e) {
    }
    try {
        new PBEKeySpec(password, new byte[0], iterationCount, keyLength);
        fail("An IllegalArgumentException should be thrown " + "in the case of empty salt.");
    } catch (IllegalArgumentException e) {
    }
    try {
        new PBEKeySpec(password, salt, -1, keyLength);
        fail("An IllegalArgumentException should be thrown " + "in the case of negative iterationCount.");
    } catch (IllegalArgumentException e) {
    }
    try {
        new PBEKeySpec(password, salt, iterationCount, -1);
        fail("An IllegalArgumentException should be thrown " + "in the case of negative keyLength.");
    } catch (IllegalArgumentException e) {
    }
    try {
        new PBEKeySpec(password, salt, 0, keyLength);
        fail("An IllegalArgumentException should be thrown " + "in the case of zero iterationCount.");
    } catch (IllegalArgumentException e) {
    }
    try {
        new PBEKeySpec(password, salt, iterationCount, 0);
        fail("An IllegalArgumentException should be thrown " + "in the case of zero keyLength.");
    } catch (IllegalArgumentException e) {
    }
    PBEKeySpec pbeks = new PBEKeySpec(password, salt, iterationCount, keyLength);
    password[0]++;
    assertFalse("The change of password specified in the constructor " + "should not cause the change of internal array.", password[0] == pbeks.getPassword()[0]);
    salt[0]++;
    assertFalse("The change of salt specified in the constructor " + " should not cause the change of internal array.", salt[0] == pbeks.getSalt()[0]);
}

Example 83 with PBEKeySpec

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

the class BcKeyStoreSpi 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 84 with PBEKeySpec

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

the class PKCS12KeyStoreSpi method wrapKey.

protected byte[] wrapKey(String algorithm, Key key, PKCS12PBEParams pbeParams, char[] password) throws IOException {
    PBEKeySpec pbeSpec = new PBEKeySpec(password);
    byte[] out;
    try {
        SecretKeyFactory keyFact = SecretKeyFactory.getInstance(algorithm, bcProvider);
        PBEParameterSpec defParams = new PBEParameterSpec(pbeParams.getIV(), pbeParams.getIterations().intValue());
        Cipher cipher = Cipher.getInstance(algorithm, bcProvider);
        cipher.init(Cipher.WRAP_MODE, keyFact.generateSecret(pbeSpec), defParams);
        out = cipher.wrap(key);
    } catch (Exception e) {
        throw new IOException("exception encrypting data - " + e.toString());
    }
    return out;
}

Example 85 with PBEKeySpec

use of javax.crypto.spec.PBEKeySpec in project yyl_example by Relucent.

the class PBEWithMD5AndDES_Encrypt method decrypt.

/**
	 * 将加密文本进行解密
	 * @param encryptText String
	 * @return String
	 */
public String decrypt(String encryptText) throws Exception {
    if (encryptText == null || encryptText.length() == 0) {
        return "";
    }
    PBEKeySpec pbks = new PBEKeySpec((password).toCharArray());
    SecretKeyFactory skf = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
    SecretKey k = skf.generateSecret(pbks);
    StringTokenizer st = new StringTokenizer(hex2string(encryptText), " ");
    int num = 0;
    byte[] salt = new byte[8];
    while (st.hasMoreTokens() && (num < 8)) {
        salt[num] = (byte) (Integer.parseInt(st.nextToken()));
        num++;
    }
    int count = 0;
    byte[] cbtemp = new byte[2000];
    while (st.hasMoreTokens()) {
        cbtemp[count] = (byte) (Integer.parseInt(st.nextToken()));
        count++;
    }
    byte[] cb = new byte[count];
    for (int i = 0; i < cb.length; i++) {
        cb[i] = cbtemp[i];
    }
    Cipher cp = Cipher.getInstance("PBEWithMD5AndDES");
    PBEParameterSpec ps = new PBEParameterSpec(salt, 1000);
    cp.init(Cipher.DECRYPT_MODE, k, ps);
    byte[] ptext = cp.doFinal(cb);
    return new String(ptext, encoding);
}