public static boolean isOneTimeAccessTokenEnabled() {
        return org.apache.commons.lang3.StringUtils.isNotBlank(JiveGlobals.getXMLProperty(ONE_TIME_PROPERTY));
    }
Returns a Blowfish cipher that can be used for encrypting and decrypting passwords.
The encryption key is stored as the Jive property "passwordKey". If it's not present,
it will be automatically generated.

@return the Blowfish cipher, or {@code null} if Openfire is not able to create a Cipher;
     for example, during setup mode.
xmppserver/src/main/java/org/jivesoftware/openfire/auth/AuthFactory.java