package org.jivesoftware.util; public interface Encryptor { /** * Encrypt a clear text String. * * @param value The clear text attribute * @return The encrypted attribute, or null */ public abstract String encrypt(String value); /** * Decrypt an encrypted String. * * @param value The encrypted attribute in Base64 encoding * @return The clear text attribute, or null */ public abstract String decrypt(String value); /** * Set the encryption key. This will apply the user-defined key, * truncated or filled (via the default key) as needed to meet * the key length specifications. * * @param key The encryption key */ public abstract void setKey(String key); }