Scram-Sha-1 mechanism : do not send authzid if it not absolutely necessary Some servers (ejabberd) reject the challenge if the scram attributes a (authzid) and n (authcid) are equals or they just don't handle the authzid. So we just don't send it if they are the same This fix #484

package net.java.otr4j.crypto;

import net.java.otr4j.OtrException;

@SuppressWarnings("serial")
public class OtrCryptoException extends OtrException {

	public OtrCryptoException(Exception e) {
		super(e);
	}

}