Java Key Create getKeyPair()

Description

Generate a RSA key pair.

License

Apache License

Declaration

public static KeyPair getKeyPair() 

Method Source Code

//package com.java2s;
/* ***************************************************************************
 * Copyright 2012 Carolina Lindqvist//from  w ww  .  j a  v a2  s  .  co m
 *
 *   Licensed 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.
 * ***************************************************************************/

import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.SecureRandom;

public class Main {
    /**
     * Generate a RSA key pair.
     * @return
     */
    public static KeyPair getKeyPair() {

        KeyPairGenerator keyGen = null;
        SecureRandom random = null;

        try {
            keyGen = KeyPairGenerator.getInstance("RSA");
            random = SecureRandom.getInstance("SHA1PRNG", "SUN");
            keyGen.initialize(1024, random);
        } catch (NoSuchAlgorithmException e) {
        } catch (NoSuchProviderException e) {
        }

        if (keyGen != null)
            return keyGen.genKeyPair(); // method returns FINAL keypair

        return null;
    }
}

Related

1. getKeyManagers()
2. getKeyManagers(KeyStore keyStore, String keyPassword)
3. getKeyManagers(KeyStore ks, String password)
4. getKeyPair()
5. getKeyPair()
6. getKeyPair(KeyStore keyStore, String alias, String password)
7. getKeyPairGenerator(final String algorithm)
8. getKeys()
9. getKeySize(final Key key)