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

Example 41 with DESKeySpec

use of javax.crypto.spec.DESKeySpec in project WordPress-Android by wordpress-mobile.

the class WPLegacyMigrationUtils method encryptPassword.

private static String encryptPassword(String clearText) {
    try {
        DESKeySpec keySpec = new DESKeySpec(DEPRECATED_DB_PASSWORD_SECRET.getBytes("UTF-8"));
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
        SecretKey key = keyFactory.generateSecret(keySpec);
        Cipher cipher = Cipher.getInstance("DES");
        cipher.init(Cipher.ENCRYPT_MODE, key);
        return Base64.encodeToString(cipher.doFinal(clearText.getBytes("UTF-8")), Base64.DEFAULT);
    } catch (Exception e) {
    }
    return clearText;
}

Example 42 with DESKeySpec

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

the class DESKeySpecTest method testGetKey.

/**
     * getKey() method testing. Checks that modification of returned key
     * does not affect the internal key. Also test check an equality of
     * the key with the key specified in the constructor. The object under
     * the test is created by different constructors.
     */
public void testGetKey() {
    byte[] key = { 1, 2, 3, 4, 5, 6, 7, 8 };
    DESKeySpec ks;
    try {
        ks = new DESKeySpec(key);
    } catch (InvalidKeyException e) {
        fail("InvalidKeyException should not be thrown.");
        return;
    }
    byte[] res = ks.getKey();
    assertTrue("The returned array should be equal to the specified " + "in constructor.", Arrays.equals(key, res));
    res[0] += 1;
    assertFalse("The modification of returned key should not affect" + "the underlying key.", key[0] == res[0]);
    byte[] key1 = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
    try {
        ks = new DESKeySpec(key1, 2);
    } catch (InvalidKeyException e) {
        fail("InvalidKeyException should not be thrown.");
        return;
    }
    res = ks.getKey();
    assertNotSame("The returned array should not be the same object " + "as specified in a constructor.", key1, res);
    byte[] exp = new byte[8];
    System.arraycopy(key1, 2, exp, 0, 8);
    assertTrue("The returned array should be equal to the specified " + "in constructor.", Arrays.equals(exp, res));
}

Example 43 with DESKeySpec

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

the class DES_Encrypt method encrypt.

/** 根据密匙加密数据* */
public static byte[] encrypt(byte[] data, byte[] keydate) throws Exception {
    DESKeySpec dks = new DESKeySpec(keydate);
    // 创建一个密匙工厂
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
    SecretKey key = keyFactory.generateSecret(dks);
    // Cipher对象实际完成加密操作
    Cipher cipher = Cipher.getInstance("DES");
    // 用密匙初始化Cipher对象
    cipher.init(Cipher.ENCRYPT_MODE, key, new SecureRandom());
    // 执行加密操作
    return cipher.doFinal(data);
}

Example 44 with DESKeySpec

use of javax.crypto.spec.DESKeySpec in project jdk8u_jdk by JetBrains.

the class CheckWeakKeys method main.

public static void main(String[] args) throws Exception {
    boolean failed = false;
    for (int i = 0; i < weakKeys.length; i++) {
        DESKeySpec desSpec = new DESKeySpec(weakKeys[i]);
        if (!DESKeySpec.isWeak(weakKeys[i], 0)) {
            failed = true;
            System.out.println("Entry " + i + " should be weak");
        }
    }
    if (failed) {
        throw new Exception("Failed test!!!");
    }
    System.out.println("Passed test.");
}

Example 45 with DESKeySpec

use of javax.crypto.spec.DESKeySpec in project jdk8u_jdk by JetBrains.

the class NTLM method calcResponse.

/* key is a 21 byte array. Split it into 3 7 byte chunks,
     * Convert each to 8 byte DES keys, encrypt the text arg with
     * each key and return the three results in a sequential []
     */
byte[] calcResponse(byte[] key, byte[] text) {
    try {
        assert key.length == 21;
        DESKeySpec dks1 = new DESKeySpec(makeDesKey(key, 0));
        DESKeySpec dks2 = new DESKeySpec(makeDesKey(key, 7));
        DESKeySpec dks3 = new DESKeySpec(makeDesKey(key, 14));
        SecretKey key1 = fac.generateSecret(dks1);
        SecretKey key2 = fac.generateSecret(dks2);
        SecretKey key3 = fac.generateSecret(dks3);
        cipher.init(Cipher.ENCRYPT_MODE, key1);
        byte[] out1 = cipher.doFinal(text, 0, 8);
        cipher.init(Cipher.ENCRYPT_MODE, key2);
        byte[] out2 = cipher.doFinal(text, 0, 8);
        cipher.init(Cipher.ENCRYPT_MODE, key3);
        byte[] out3 = cipher.doFinal(text, 0, 8);
        byte[] result = new byte[24];
        System.arraycopy(out1, 0, result, 0, 8);
        System.arraycopy(out2, 0, result, 8, 8);
        System.arraycopy(out3, 0, result, 16, 8);
        return result;
    } catch (IllegalBlockSizeException ex) {
        // None will happen
        assert false;
    } catch (BadPaddingException ex) {
        assert false;
    } catch (InvalidKeySpecException ex) {
        assert false;
    } catch (InvalidKeyException ex) {
        assert false;
    }
    return null;
}