trunk/src/org/apache/ws/security/conversation/dkalgo/DerivationAlgorithm.java

/*
 * Copyright  2003-2004 The Apache Software Foundation.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package org.apache.ws.security.conversation.dkalgo;

import org.apache.ws.security.conversation.ConversationException;

/**
 *
 * @author Ruchith Fernando (ruchith.fernando@gmail.com)
 */
public interface DerivationAlgorithm {

    public byte[] createKey(byte[] secret, byte[] seed, int offset,
            long length) throws ConversationException;
}