src/share/classes/sun/security/provider/SunEntries.java

rev 12543 : 8181048: Refactor existing providers to refer to the same constants for default values for key length
Reviewed-by: mullan, ahgross

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2017, 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

@@ -27,10 +27,11 @@
 
 import java.io.*;
 import java.net.*;
 import java.util.Map;
 import java.security.*;
+import sun.security.action.GetPropertyAction;
 
 /**
  * Defines the entries of the SUN provider.
  *
  * Algorithms supported, and their names:

@@ -76,10 +77,14 @@
  * - JavaLoginConfig is the default file-based LoginModule Configuration type.
  */
 
 final class SunEntries {
 
+    private static final boolean useLegacyDSA =
+        Boolean.parseBoolean(GetPropertyAction.privilegedGetProperty
+            ("jdk.security.legacyDSAKeyPairGenerator"));
+
     private SunEntries() {
         // empty
     }
 
     static void putEntries(Map<Object, Object> map) {

@@ -157,12 +162,13 @@
         map.put("Alg.Alias.Signature.2.16.840.1.101.3.4.3.2", "SHA256withDSA");
 
         /*
          *  Key Pair Generator engines
          */
-        map.put("KeyPairGenerator.DSA",
-            "sun.security.provider.DSAKeyPairGenerator");
+        String dsaKPGImplClass = "sun.security.provider.DSAKeyPairGenerator$";
+        dsaKPGImplClass += (useLegacyDSA? "Legacy" : "Current");
+        map.put("KeyPairGenerator.DSA", dsaKPGImplClass);
         map.put("Alg.Alias.KeyPairGenerator.OID.1.2.840.10040.4.1", "DSA");
         map.put("Alg.Alias.KeyPairGenerator.1.2.840.10040.4.1", "DSA");
         map.put("Alg.Alias.KeyPairGenerator.1.3.14.3.2.12", "DSA");
 
         /*