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Apache XML Security for Java supports XML-Signature Syntax and Processing, W3C Recommendation 12 February 2002, and XML Encryption Syntax and Processing, W3C Recommendation 10 December 2002. As of version 1.4, the library supports the standard Java API JSR-105: XML Digital Signature APIs.

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.xml.security.encryption;

/**
 * The key derivation is to generate new cryptographic key material from existing key material such as the shared
 * secret and any other (private or public) information. The purpose of the key derivation is an extension of a given
 * but limited set of original key materials and to limit the use (exposure) of such key material.
 *
 * The Schema for KeyDerivationMethod is as follows:
 *  * 
 * 
 *   
 *     
 *   
 *   
 * 
 * 
 */
public interface KeyDerivationMethod {

    /**
     * Returns the algorithm URI of this KeyDerivationMethod.
     *
     * @return the algorithm URI of this KeyDerivationMethod
     */
    String getAlgorithm();
}