Java RSA generateRSAKey(int keySize)

Description

Generates a new RSA key with specified keySize

License

Open Source License

Parameter

Parameter	Description
keySize	size to use for the key

Return

a public/private key pair

Declaration

public static KeyPair generateRSAKey(int keySize) 

Method Source Code

//package com.java2s;
/*/*from   w  w  w  .ja va 2 s  .c  o  m*/
 * The MIT License
 *
 * Copyright (c) 2017, CloudBees, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

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

public class Main {
    /**
     * Generates a new RSA key with specified keySize
     * @param keySize size to use for the key
     * @return a public/private key pair
     */
    public static KeyPair generateRSAKey(int keySize) {
        try {
            KeyPairGenerator generator = KeyPairGenerator.getInstance("RSA");
            generator.initialize(keySize);
            return generator.genKeyPair();
        } catch (NoSuchAlgorithmException ex) {
            throw new RuntimeException(ex);
        }
    }
}

Related

1. generateKeys()
2. generateRSA(int keySize)
3. generateRSAKeyPair()
4. generateRSAKeyPair()
5. generateRsaKeyPair()
6. generateRSAKeyPair()