Here you can find the source of getKey(KeyStore ks, String alias, String pass)
@SuppressWarnings("unchecked") public static <T extends Key> T getKey(KeyStore ks, String alias, String pass) throws KeyStoreException, NoSuchAlgorithmException, UnrecoverableKeyException
//package com.java2s; /*//from w ww . j a v a 2s .c o m * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. 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. For additional information regarding * copyright in this work, please see the NOTICE file in the top level * directory of this distribution. */ import java.security.Key; import java.security.KeyStore; import java.security.KeyStoreException; import java.security.NoSuchAlgorithmException; import java.security.UnrecoverableKeyException; public class Main { @SuppressWarnings("unchecked") public static <T extends Key> T getKey(KeyStore ks, String alias, String pass) throws KeyStoreException, NoSuchAlgorithmException, UnrecoverableKeyException { return (T) ks.getKey(alias, pass.toCharArray()); } }