/* * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.security.sasl.digest; import javax.security.sasl.SaslException; /**  * Interface used for classes implementing integrity checking and privacy  * for DIGEST-MD5 SASL mechanism implementation.  *  * @see <a href="http://www.ietf.org/rfc/rfc2831.txt">RFC 2831</a>  * - Using Digest Authentication as a SASL Mechanism  *  * @author Jonathan Bruce  */ interface SecurityCtx {     /**     * Wrap out-going message and return wrapped message     *     * @throws SaslException     */    byte[] wrap(byte[] dest, int start, int len)        throws SaslException;     /**     * Unwrap incoming message and return original message     *     * @throws SaslException     */    byte[] unwrap(byte[] outgoing, int start, int len)        throws SaslException;}