| /* |
| * Copyright (c) 1996, 2011, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.security.provider; |
| |
| import java.util.*; |
| import java.security.*; |
| |
| import sun.security.action.PutAllAction; |
| |
| import sun.security.rsa.SunRsaSignEntries; |
| |
| /** |
| * Provider used for verification of signed JAR files *if* the Sun and |
| * SunRsaSign main classes have been removed. Otherwise, this provider is not |
| * necessary and registers no algorithms. This functionality only exists to |
| * support a use case required by a specific customer and is not generally |
| * supported. |
| * |
| * @since 1.7 |
| * @author Andreas Sterbenz |
| */ |
| public final class VerificationProvider extends Provider { |
| |
| private static final long serialVersionUID = 7482667077568930381L; |
| |
| private static final boolean ACTIVE; |
| |
| static { |
| boolean b; |
| try { |
| Class.forName("sun.security.provider.Sun"); |
| Class.forName("sun.security.rsa.SunRsaSign"); |
| b = false; |
| } catch (ClassNotFoundException e) { |
| b = true; |
| } |
| ACTIVE = b; |
| } |
| |
| public VerificationProvider() { |
| super("SunJarVerification", 1.7, "Jar Verification Provider"); |
| // register all algorithms normally registered by the Sun and SunRsaSign |
| // providers, but only if they are missing |
| if (ACTIVE == false) { |
| return; |
| } |
| |
| // if there is no security manager installed, put directly into |
| // the provider. Otherwise, create a temporary map and use a |
| // doPrivileged() call at the end to transfer the contents |
| if (System.getSecurityManager() == null) { |
| SunEntries.putEntries(this); |
| SunRsaSignEntries.putEntries(this); |
| } else { |
| // use LinkedHashMap to preserve the order of the PRNGs |
| Map<Object, Object> map = new LinkedHashMap<>(); |
| SunEntries.putEntries(map); |
| SunRsaSignEntries.putEntries(map); |
| AccessController.doPrivileged(new PutAllAction(this, map)); |
| } |
| } |
| |
| } |