Java RSA generateRSAKeyPair(int bitsize)

Description

generate RSA Key Pair

License

Apache License

Declaration

public static KeyPair generateRSAKeyPair(int bitsize) throws NoSuchAlgorithmException 

Method Source Code

//package com.java2s;
/*/*from  w ww . j a  v  a 2s .  co m*/
 *  Copyright 2016-2017 PaaSword Framework, http://www.paasword.eu/
 *
 *  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;

public class Main {
    public static KeyPair generateRSAKeyPair(int bitsize) throws NoSuchAlgorithmException { //1024 2048
        KeyPair keypair = null;
        try {
            KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
            kpg.initialize(bitsize); //TODO alter hardcoded parameter
            keypair = kpg.genKeyPair();
            //logger.info("public: " + keypair.getPublic());
            //logger.info("private: " + keypair.getPrivate());
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return keypair;
    }
}

Related

1. generateRSAKeyPair()
2. generateRsaKeyPair()
3. generateRSAKeyPair()
4. generateRSAKeyPair(final int bits)
5. generateRSAKeypair(final int keysize, BigInteger publicExponent)
6. generateRsaKeyPair(int keysize)
7. generateRSAKeypairAndKeystore(String fullyQualifiedDN, Date endDate, String keystoreLocation, String keyPairAlias, String keypairPassword, String keystorePassword)
8. generateRsaPublicKey(BigInteger modulus, BigInteger publicExponent)
9. generateRSAPublicKey(final BigInteger modulus, final BigInteger publicExponent)