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  1. JDK
  2. JDK-8182580

Bug in sun.security.ec.ECParameters/jcp.xml.dsig.internal.dom.DOMKeyValue

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      Description

      FULL PRODUCT VERSION :
      JDK1.8.0.131 (latest current version)

      A DESCRIPTION OF THE PROBLEM :

      Tried to run the following code to implement EC cryptography:

      XMLSignatureFactory fac = XMLSignatureFactory.getInstance("DOM");
      KeyPairGenerator kpg = KeyPairGenerator.getInstance("EC");
      kpg.initialize(256);
      KeyPair kp = kpg.generateKeyPair();
      KeyInfoFactory kif = fac.getKeyInfoFactory();
      KeyValue kv = kif.newKeyValue(kp.getPublic()); // Get error here

      But I get the error in the last line of code. I found the problem in DOMKeyValue.java where it tries to get the method ECParameters.encodePoint. But the latest release of ECParameters doesn't have this method. Here is the error when I copied the code from EC.getMethod() in DOMKeyValue.java:
      Source breakpoint: KeyTest.java:26
      Exception breakpoint: Class.java:1786, java.lang.NoSuchMethodException, sun.security.ec.ECParameters.encodePoint(java.security.spec.ECPoint, java.security.spec.EllipticCurve)

      I also checked the code in grepcode.com on both the DOMKeyValue and ECParameters class and it seems like the encodePoint disappeared from ECParameters after version 7u40-b43 whereas DOMKeyValue was not updated. So can someone please fix this? I would like to get my code for EC (secp256r1) to digitally sign my files working. Thanks.


      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      Run the source code.

      EXPECTED VERSUS ACTUAL BEHAVIOR :
      EXPECTED -
      No exceptions
      ACTUAL -
      Get an exception

      ERROR MESSAGES/STACK TRACES THAT OCCUR :
      Exception in thread "main" java.security.KeyException: ECKeyValue not supported
      at org.jcp.xml.dsig.internal.dom.DOMKeyValue$EC.<init>(DOMKeyValue.java:350)
      at org.jcp.xml.dsig.internal.dom.DOMKeyInfoFactory.newKeyValue(DOMKeyInfoFactory.java:71)
      at test.KeyTest.main(KeyTest.java:27)
      Caused by: java.lang.ClassNotFoundException: sun/security/ec/ECParameters
      at java.lang.Class.forName0(Native Method)
      at java.lang.Class.forName(Class.java:264)
      at org.jcp.xml.dsig.internal.dom.DOMKeyValue$EC.getMethods(DOMKeyValue.java:367)
      at org.jcp.xml.dsig.internal.dom.DOMKeyValue$EC$1.run(DOMKeyValue.java:343)
      at org.jcp.xml.dsig.internal.dom.DOMKeyValue$EC$1.run(DOMKeyValue.java:339)
      at java.security.AccessController.doPrivileged(Native Method)
      at org.jcp.xml.dsig.internal.dom.DOMKeyValue$EC.<init>(DOMKeyValue.java:338)
      ... 2 more


      REPRODUCIBILITY :
      This bug can be reproduced always.

      ---------- BEGIN SOURCE ----------
      package test;

      import java.security.KeyPairGenerator;
      import java.util.Collections;
      import javax.xml.crypto.dsig.XMLSignatureFactory;
      import javax.xml.crypto.dsig.keyinfo.*;
      import java.security.*;

      public class KeyTest {
          


      public static void main(String[] args) throws Exception{
      XMLSignatureFactory fac = XMLSignatureFactory.getInstance("DOM");
      KeyPairGenerator kpg = KeyPairGenerator.getInstance("EC");
      kpg.initialize(256);
      KeyPair kp = kpg.generateKeyPair();
      KeyInfoFactory kif = fac.getKeyInfoFactory();
      KeyValue kv = kif.newKeyValue(kp.getPublic());
      //KeyInfo ki = kif.newKeyInfo(Collections.singletonList(kv));

      }

      }

      ---------- END SOURCE ----------

      CUSTOMER SUBMITTED WORKAROUND :
      I don't think there is a workaround since I am not even directly calling DOMKeyValue.

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              • Assignee:
                pkoppula Prasadarao Koppula
                Reporter:
                webbuggrp Webbug Group
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                • Created:
                  Updated: