Here you can find the source of generateKeyPair(int keySizeInBits, String algo)
public static KeyPair generateKeyPair(int keySizeInBits, String algo) throws NoSuchAlgorithmException
//package com.java2s; /*/*ww w. j av a 2 s . c o m*/ * Copyright (c) 2012-2017 ZoxWeb.com LLC. * * 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.*; public class Main { public static KeyPair generateKeyPair(int keySizeInBits, String algo) throws NoSuchAlgorithmException { KeyPairGenerator kg = KeyPairGenerator.getInstance(algo); kg.initialize(keySizeInBits);//, (SecureRandom)defaultSecureRandom()); return kg.generateKeyPair(); } }