| /* |
| * 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.gossip.secure; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.security.KeyPair; |
| import java.security.KeyPairGenerator; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.NoSuchProviderException; |
| import java.security.PrivateKey; |
| import java.security.PublicKey; |
| import java.security.SecureRandom; |
| |
| public class KeyTool { |
| |
| public static void generatePubandPrivateKeyFiles(String path, String id) |
| throws NoSuchAlgorithmException, NoSuchProviderException, IOException{ |
| SecureRandom r = new SecureRandom(); |
| KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA", "SUN"); |
| keyGen.initialize(1024, r); |
| KeyPair pair = keyGen.generateKeyPair(); |
| PrivateKey priv = pair.getPrivate(); |
| PublicKey pub = pair.getPublic(); |
| { |
| FileOutputStream sigfos = new FileOutputStream(new File(path, id)); |
| sigfos.write(priv.getEncoded()); |
| sigfos.close(); |
| } |
| { |
| FileOutputStream sigfos = new FileOutputStream(new File(path, id + ".pub")); |
| sigfos.write(pub.getEncoded()); |
| sigfos.close(); |
| } |
| } |
| |
| public static void main (String [] args) throws |
| NoSuchAlgorithmException, NoSuchProviderException, IOException{ |
| generatePubandPrivateKeyFiles(args[0], args[1]); |
| } |
| } |