/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. 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. For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.abdera.examples.security;
import java.security.Provider;
import java.security.Security;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import org.apache.abdera.Abdera;
import org.apache.abdera.factory.Factory;
import org.apache.abdera.model.Document;
import org.apache.abdera.model.Entry;
import org.apache.abdera.security.AbderaSecurity;
import org.apache.abdera.security.Encryption;
import org.apache.abdera.security.EncryptionOptions;
public class Enc {
@SuppressWarnings("unchecked")
public static void main(String[] args) throws Exception {
Abdera abdera = new Abdera();
// Prepare the crypto provider
try {
String jce =
abdera.getConfiguration().getConfigurationOption("jce.provider",
"org.bouncycastle.jce.provider.BouncyCastleProvider");
Class provider = Class.forName(jce);
Provider p = (Provider)provider.newInstance();
Security.addProvider(p);
} catch (Exception e) {
// The configured JCE Provider is not available, try to proceed anyway
}
// Generate Encryption Key
String jceAlgorithmName = "AES";
KeyGenerator keyGenerator = KeyGenerator.getInstance(jceAlgorithmName);
keyGenerator.init(128);
SecretKey key = keyGenerator.generateKey();
// Create the entry to encrypt
AbderaSecurity absec = new AbderaSecurity(abdera);
Factory factory = abdera.getFactory();
Entry entry = factory.newEntry();
entry.setId("http://example.org/foo/entry");
entry.setUpdated(new java.util.Date());
entry.setTitle("This is an entry");
entry.setContentAsXhtml("This <b>is</b> <i>markup</i>");
entry.addAuthor("James");
entry.addLink("http://www.example.org");
// Prepare the encryption options
Encryption enc = absec.getEncryption();
EncryptionOptions options = enc.getDefaultEncryptionOptions();
options.setDataEncryptionKey(key);
// Encrypt the document using the generated key
Document enc_doc = enc.encrypt(entry.getDocument(), options);
enc_doc.writeTo(System.out);
System.out.println("\n\n");
// Decrypt the document using the generated key
Document<Entry> entry_doc = enc.decrypt(enc_doc, options);
entry_doc.writeTo(System.out);
}
}