Code example for PBEParameterSpec

0
    	if(!isAuthenticated()) return null; 
 
    	char[] passwordChars = new char[password.length()];
    	password.getChars(0, password.length(), passwordChars, 0);
    	 
    	PBEParameterSpec pbeParamSpec = new PBEParameterSpec(MessageEncryptionFactory.PRIVATE_KEY_ENCRYPTION_SALT, 20);
    	PBEKeySpec pbeKeySpec = new PBEKeySpec(passwordChars);
    	 
        SecretKeyFactory keyFac = SecretKeyFactory.getInstance(MessageEncryptionFactory.PRIVATE_KEY_ENCRYPTION_ALGORITHM);
        SecretKey pbeKey = keyFac.generateSecret(pbeKeySpec);
 
        Cipher cipher = Cipher.getInstance(MessageEncryptionFactory.PRIVATE_KEY_ENCRYPTION_ALGORITHM);
    	cipher.init(mode, pbeKey, pbeParamSpec);
    	 
    	return cipher;
    } 
     
    private static byte[] encryptPrivateKey(PrivateKey pk) throws Exception {
    	Cipher cipher = getCipher(Cipher.ENCRYPT_MODE);
        return cipher.doFinal(pk.getEncoded());
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