content: /*
   *
   * 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 com.alibaba.cloudapp.messaging.redis.demo;
  
  import java.security.*;
  
  public class KeyUtil {
  
      private static final PublicKey publicKey;
  
      private static final PrivateKey privateKey;
  
      static {
          KeyPairGenerator keyGen;
          try {
              keyGen = KeyPairGenerator.getInstance("RSA");
          } catch (NoSuchAlgorithmException e) {
              throw new RuntimeException(e);
          }
          keyGen.initialize(2048);
          KeyPair keyPair = keyGen.generateKeyPair();
          publicKey = keyPair.getPublic();
          privateKey = keyPair.getPrivate();
      }
  
      public static PublicKey getPublicKey() {
          return publicKey;
      }
  
      public static PrivateKey getPrivateKey() {
          return privateKey;
      }
  
  }
  