1 /*
   2  * Copyright (c) 1996, 2006, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.security.provider;
  27 
  28 import java.util.*;
  29 import java.security.*;
  30 
  31 import sun.security.action.PutAllAction;
  32 
  33 /**
  34  * The SUN Security Provider.
  35  *
  36  */
  37 public final class Sun extends Provider {
  38 
  39     private static final long serialVersionUID = 6440182097568097204L;
  40 
  41     private static final String INFO = "SUN " +
  42     "(DSA key/parameter generation; DSA signing; SHA-1, MD5 digests; " +
  43     "SecureRandom; X.509 certificates; JKS keystore; PKIX CertPathValidator; " +
  44     "PKIX CertPathBuilder; LDAP, Collection CertStores, JavaPolicy Policy; " +
  45     "JavaLoginConfig Configuration)";
  46 
  47     public Sun() {
  48         /* We are the SUN provider */
  49         super("SUN", 1.7, INFO);
  50 
  51         // if there is no security manager installed, put directly into
  52         // the provider. Otherwise, create a temporary map and use a
  53         // doPrivileged() call at the end to transfer the contents
  54         if (System.getSecurityManager() == null) {
  55             SunEntries.putEntries(this);
  56         } else {
  57             // use LinkedHashMap to preserve the order of the PRNGs
  58             Map<Object, Object> map = new LinkedHashMap<>();
  59             SunEntries.putEntries(map);
  60             AccessController.doPrivileged(new PutAllAction(this, map));
  61         }
  62     }
  63 
  64 }