/**
* 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.cxf.rs.security.jose.jwe;
import java.util.logging.Logger;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.rs.security.jose.jwa.KeyAlgorithm;
public class DirectKeyEncryptionAlgorithm implements KeyEncryptionProvider {
private static final Logger LOG = LogUtils.getL7dLogger(DirectKeyEncryptionAlgorithm.class);
public byte[] getEncryptedContentEncryptionKey(JweHeaders headers, byte[] theCek) {
checkKeyEncryptionAlgorithm(headers);
return new byte[0];
}
protected void checkKeyEncryptionAlgorithm(JweHeaders headers) {
if (headers.getKeyEncryptionAlgorithm() != null) {
LOG.warning("Key encryption algorithm header is set");
throw new JweException(JweException.Error.INVALID_KEY_ALGORITHM);
}
}
@Override
public KeyAlgorithm getAlgorithm() {
return null;
}
}