Strange when using BouncyCastle in Java WebStart

I write a Java Application which can save a PKCS#12 Keystore to a file.
The application run well in native mode. But when I use it in
Java WebStart, a strange error jumped out, and I don't know why?
Here is the Error message:
java.io.IOException: exception encrypting data - java.security.NoSuchProviderException: JCE cannot authenticate the provider BC
     at org.bouncycastle.jce.provider.JDKPKCS12KeyStore.wrapKey(JDKPKCS12KeyStore.java:564)
     at org.bouncycastle.jce.provider.JDKPKCS12KeyStore.engineStore(JDKPKCS12KeyStore.java:1026)
     at java.security.KeyStore.store(Unknown Source)
     at com.wellsoon.security.frameMain.SaveKeystoreAs(frameMain.java:270)
     at com.wellsoon.security.frameMain.btnSaveKeystore_actionPerformed(frameMain.java:508)
     at com.wellsoon.security.frameMain_btnSaveKeystore_actionAdapter.actionPerformed(frameMain.java:628)
     at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
     at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(Unknown Source)
     at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
     at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
     at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
     at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
     at java.awt.Component.processMouseEvent(Unknown Source)
     at java.awt.Component.processEvent(Unknown Source)
     at java.awt.Container.processEvent(Unknown Source)
     at java.awt.Component.dispatchEventImpl(Unknown Source)
     at java.awt.Container.dispatchEventImpl(Unknown Source)
     at java.awt.Component.dispatchEvent(Unknown Source)
     at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
     at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
     at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
     at java.awt.Container.dispatchEventImpl(Unknown Source)
     at java.awt.Window.dispatchEventImpl(Unknown Source)
     at java.awt.Component.dispatchEvent(Unknown Source)
     at java.awt.EventQueue.dispatchEvent(Unknown Source)
     at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.run(Unknown Source)
Here is my JNLP file:
<?xml version="1.0" encoding="UTF-8"?>
<jnlp spec="1.0+" codebase="http://192.168.1.76:8080/genKeyCSR" href="genKeystore.jnlp">
<information>
<title>genKeystore</title>
<vendor>genKeystore</vendor>
<homepage href="genKeystore.html" />
</information>
<security>
<all-permissions/>
</security>
<resources>
<j2se version="1.3+" />
<jar href="genKeystore.jar" />
<jar href="bcprov-jdk14-120.jar" />
</resources>
<application-desc main-class="com.wellsoon.security.genKeystoreApp" />
</jnlp>
All the jar packages are signed by my key.
The JKS Keystore can be saved without any errors.
Anybody know the true reason?
Thanks.

I have done that and the result is unchanged.
I have registed Security Provider in my code, so I needn't to
write security.provider.6=org.bouncycastle.***.** in java.security.
You know, the application can execute well in native mode, the
error only happened when the app is running from Java Webstart.

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## Detail 0 ##
java.lang.ClassNotFoundException: oracle.jbo.common.PiggybackEventEntry
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------

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serInformationServiceBeanHomeImpl_WLStub.java:151)
at
com.unitor.message.server.UserInformationServiceBeanHomeImpl_ServiceStub.cre
ate(UserInformationServiceBeanHomeImpl_ServiceStub.java:121)
at
com.unitor.message.beans.gui.MessageLogic.getUserInformationService(MessageL
ogic.java:230)
at
com.unitor.message.beans.gui.MessageLogic.addUserInformation(MessageLogic.ja
va:186)
at com.unitor.message.beans.gui.MessageLogic.<init>(MessageLogic.java:104)
at
com.unitor.message.beans.gui.MessageApplication.internalStartApplication(Mes
sageApplication.java:64)
at
com.unitor.ifs.util.gui.UnitorApplication.startApplication(UnitorApplication
.java:167)
at
com.unitor.ifs.util.gui.DesktopApplication$ApplicationLoader.run(DesktopAppl
ication.java:676)
at
com.unitor.ifs.util.gui.DesktopApplication.startApplication(DesktopApplicati
on.java:303)
at
com.unitor.ifs.util.gui.UnitorDesktopAppStarter$SwingEventCall.run(UnitorDes
ktopAppStarter.java:294)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
The strange thing is that I can connect to my server if I run the client on
NT4 !!!
I solved the problem by modifying my local java.policy file with the
following settings:
// Test with HTTP tunnelling. 18.10.2001
[email protected]
permission java.util.PropertyPermission "proxyHost", "read";
permission java.util.PropertyPermission "proxyPort", "read";
permission java.util.PropertyPermission "http.proxyHost", "read";
permission java.util.PropertyPermission "http.proxyPort", "read";
permission java.net.SocketPermission "*","connect,resolve";
// Test with HTTP tunnelling. 18.10.2001
[email protected]
Have someone else experienced the same or similar problems ?
How can I make sure that the client gets access to read the properties
http.proxyHost, http.proxyPort, proxyHost and proxyPort without telling the
users of the client application to modify their java.policy files ?
Any leads will be greatly appreciated !
Regards
Sten Richard

This is in reply to the first post. I don't know what happened after.
Caused by: java.security.AccessControlException: access denied (java.util.PropertyPermission sun.arch.data.model read)
     at java.security.AccessControlContext.checkPermission(Unknown Source)
     at java.security.AccessController.checkPermission(Unknown Source)
     at java.lang.SecurityManager.checkPermission(Unknown Source)
     at java.lang.SecurityManager.checkPropertyAccess(Unknown Source)
     at java.lang.System.getProperty(Unknown Source)
     at org.eclipse.swt.internal.Library.loadLibrary(Library.java:167)
     at org.eclipse.swt.internal.Library.loadLibrary(Library.java:151)
     at org.eclipse.swt.internal.C.<clinit>(C.java:21)
If you read the above trace from bottom to top, it shows none of you classes, only classes from that Eclipse library, which seems to loadLibrary() a native DLL. In order to do this, it needs to call System.getProperty( "sun.arch.data.model" ). This call is not allowed from un unsigned applet. So I guess you need to sign the applet and this problem will go away. Many other problems may follow. Just read very very carefully all the related documentation, which I did not.

"java.lang.NullPointerException" when use doFinal(byte[])

My code here:
KeyFactory kf = null;
Cipher cipher = null;
PrivateKey pk = null;
byte[] symKey = null;
try {
Security.addProvider(new BouncyCastleProvider());
catch (Exception e) {
System.err.println("Error loading security provider (" +
e.getMessage() + ")");
try {
kf = KeyFactory.getInstance("RSA");
catch (NoSuchAlgorithmException ex1) {
try {
pk = kf.generatePrivate(priServer);
catch (InvalidKeySpecException ex3) {
try {
cipher = Cipher.getInstance("RSA");
catch (NoSuchAlgorithmException ex2) {
catch (NoSuchPaddingException ex2) {
try {
cipher.init(Cipher.DECRYPT_MODE, pk);
catch (InvalidKeyException ex4) {
try {
symKey = cipher.doFinal(CEK); //get encode of symmetric key
when CEK is byte[].
I got exception :
java.lang.NullPointerException
     at java.math.BigInteger.remainder(BigInteger.java:1239)
     at org.bouncycastle.crypto.engines.RSAEngine.processBlock(RSAEngine.java:133)
     at org.bouncycastle.jce.provider.JCERSACipher.engineDoFinal(JCERSACipher.java:288)
where my code wrong? Please help me!
Note : I use bouncycastle provider.
Thanks

bla bla bla
kf = KeyFactory.getInstance("RSA");
pk = kf.generatePrivate(priServer);
cipher = Cipher.getInstance("RSA");
cipher.init(Cipher.DECRYPT_MODE, pk);IMHO RSA is 2-keys algorithm => you cannot use it in cipher class
If u need encrypt use PBE for example
PBEKeySpec pbeKeySpec;
PBEParameterSpec pbeParamSpec;
SecretKeyFactory keyFac;
// Salt
byte[] salt = ...;
// Iteration count
int count = 20;
// Create PBE parameter set
pbeParamSpec = new PBEParameterSpec(salt, count);
// Prompt user for encryption password.
pbeKeySpec = new PBEKeySpec(pass); //String with
keyFac = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
SecretKey pbeKey = keyFac.generateSecret(pbeKeySpec);
// Create PBE Cipher
Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");
// Initialize PBE Cipher with key and parameters
pbeCipher.init(Cipher.ENCRYPT_MODE, pbeKey, pbeParamSpec);
// Our cleartext
byte[] cleartext = "This is another example".getBytes();
// Encrypt the cleartext
byte[] ciphertext = pbeCipher.doFinal(cleartext);

How to launch a Java WebStart application with older JREs when Java 7u25 is on the client?

How can I launch older versions of my Java WebStart application, that are built and run with Java 7u21 or earlier, even if Java 7u25 is installed locally on the client? Application launch and behaviour must be reliable and consistent.
Background:
As of 7u25 (and later), Java Webstart applications launch with a different class loader than pre-7u25.
My Java Webstart application has supported versions that were built with older versions of the JDK (e.g. Java 5, 6, 7u21 or earlier). These applications run with their required JRE version, enforced through JNLP. Once Java 7u25 is installed locally, these older applications fail to launch, due to classloader differences.
The question is: what is required to run older Java WebStart applications even if 7u25 (or later) Java Webstart is installed locally on the client?

I confirm your findings when using shortcuts to try specific versions of JavaWS with 7u25 or later installed:
JRE 5u14 launched and the classloader was as pre 7u25
JRE 6u43 would not launch
JRE 7u21 launched but the classloader was not as pre 7u25
You can launch the shortcut with the JavaWS -verbose option to display a messagebox with valuable information.
I am keeping a close watch on this thread.

Java WebStart application fails to load when cache is disabled.

We have a problem with our application when using the latest version of Java (Update 20). We a lanching a jnlp file using Java WebStart.
Until to the early release Update 21 b05, we had the following exception:
java.lang.NullPointerException
     at java.util.jar.JarVerifier.mapSignersToCodeSource(Unknown Source)
     at java.util.jar.JarVerifier.mapSignersToCodeSources(Unknown Source)
     at java.util.jar.JarVerifier.getCodeSources(Unknown Source)...
Which was fixed with the following bug resolution: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6943522
Now with that latest version that initial problem got resolved, but a new one appeared. The problem described below, only appears when the "Java Cache"
of the control panel is disabled. We tested all the following scenarios:
- Cached data cleaned / Cache enabled: Works
- Cached data / Cache enabled: Works
- Cached data cleaned / Cache disabled -> Exception
- Cached data / Cache disabled -> Exception
* We have already check the signature of the resource manually and it is correctly signed.
* We have checked the jnlp with JaNeLA, and it's good.
* No matter what we change, every time Java Cache is disabled, we get the exception.
The exception thrown is the following:
com.sun.deploy.net.JARSigningException: Found unsigned entry in resource: http://server/resource.jar
     at com.sun.javaws.security.SigningInfo.getCommonCodeSignersForJar(SigningInfo.java:405)
     at com.sun.javaws.security.SigningInfo.check(SigningInfo.java:291)
     at com.sun.javaws.LaunchDownload.checkSignedResourcesHelper(LaunchDownload.java:1738)
     at com.sun.javaws.LaunchDownload.checkSignedResources(LaunchDownload.java:1508)
     at com.sun.javaws.Launcher.prepareResources(Launcher.java:1231)
     at com.sun.javaws.Launcher.prepareAllResources(Launcher.java:620)
     at com.sun.javaws.Launcher.prepareToLaunch(Launcher.java:326)
     at com.sun.javaws.Launcher.prepareToLaunch(Launcher.java:198)
     at com.sun.javaws.Launcher.launch(Launcher.java:115)
     at com.sun.javaws.Main.launchApp(Main.java:417)
     at com.sun.javaws.Main.continueInSecureThread(Main.java:249)
     at com.sun.javaws.Main$1.run(Main.java:111)
     at java.lang.Thread.run(Thread.java:619)
Can someone give any light on this issue?
For me it look very clearly like another bug related the first fix, but I wanted to pop the question here first.
For now we are recommending our customers, to keep with Java Update 18 (Last working version),
but it's becoming a bigger issue, since more and more customers are trying to update to the latest version.
Regards.

lizaro wrote:
..Can someone give any light on this issue?
For me it look very clearly like another bug related the first fix, but I wanted to pop the question here first.Normally I would ask a lot of questions and demand more evidence before thinking of agreeing to such an assessment, but you seem to have put in the research needed to cover most of that.
There were some recent (last month or three) reports of broken cache management, but AFAIR they were supposed to be fixed by update _20. Try update _21, and if that does not resolve the issue, raise a bug report with Sun.

Get error when lauching java webstart.

Hi all,
I just use the java webstart framework of Eclipse 3.1. I successfully launch the sample rcp but fail to lauch the real rcp product after successfully downloading all the jar and even popup the sign security window. I check the log, here are the error msg:
!ENTRY org.eclipse.update.configurator 2005-10-19 21:16:48.49
!MESSAGE c:\Documents and Settings\Ryan\Application Data\Sun\Java\Deployment\cache\javaws\http\Dlocalhost\P9081\DM.DyWebPortlet\DMproduct\plugins is not a valid plugins directory.
Actually, I use portlet as the web interface. I think that will not be the problem as I successfully lauch the sample through portal.
I even take a look on the cache of the javaws, the structure of those two is the same...
could anyone give me some suggestions? thank you very much!

A NoClassDefFoundError is thrown not when a class is missing, but rather when a class in the hierachy is not available (e.g. Class B extens Class A; B is available but A is not).
I would expect that the most likely cause of this is Fedora Core 4 using gnu classpath, which is an open source implmentation of the Java runtime libraries.
We've not certified using gnu classpath at all; I would suggest as an initial test to download Sun's JRE for Linux from java.sun.com, and re-try launching the workbench
Regards,
Dermot.

Javax.crypto.BadPaddingException: pad block corrupted when using Java 1.4

I'm getting a javax.crypto.BadPaddingException: pad block corrupted Exception while working on converting our existing java jdk 1.2 to java 1.4. Any suggestions would be great. Here are the specifics:
We have a web application that been running for 3+ years under java jdk 1.2 & jce_1_2.jar. Within the application we are exchanging data (XML) with a customer using the following encryption scheme:
1) We create a one time DESede key through the KeyGenerator class passing in ("DESede", "BC")
2) We encrypt the data with this one time key using ("DESede/ECB/PKCS5Padding", "BC")
3) This one time key is then encrypted using ("RSA/ECB/PKCS1Padding", "BC") and customer's public key
4) We create a signature with our private key, which they have the public key for.
This is process/api that we required to use for their API's and its worked fine under 1.2, with "ABA" as the provider. Now moving to 1.4, I'm using BouncyCastle as the provider.
Other differences, the keystore was created under 1.2 and in 1.2 it was defined as "JCEKS" provider "SunJCE" under 1.4 I changed them to "JKS" and "SUN" . I would get bad header exceptions when reading from the keystore until I changed it. I don't think its the BouncyCastle since I was able to download the 1.2 version of BC and get the existing app to work and I also got the 1.4 version of BC to work under the existing 1.2 application.
So something seems to be different with the algorithms/padding, but I can't seem to find it. I tried the following: "RSA" "RSA/ECB" "RSA//PKCS1Padding" "NoPadding" also changed the DESede algorithm with no luck. All I know is that its failing on the decryption of the one time key, since its failing on the customer side, I don't have much other insight into it, other then the exception that they sent me.
More info: getting error on Java: build 1.4.2_02-b03 on Solaris 5.8
Existing application running: Java JDK_1.2.2_10 on Solaris 5.8
BouncyCastle: bcprov-jdk14-124.jar
Thanks

Here is the stackTrace that I was sent:
20040804;10:29:37: javax.crypto.BadPaddingException: pad block corrupted
20040804;10:29:37: at org.bouncycastle.jce.provider.JCEBlockCipher.engineDo
Final(JCEBlockCipher.java:460)
20040804;10:29:37: at javax.crypto.Cipher.doFinal(Cipher.java:1129)
20040804;10:29:37: at com.customer.crypto.SymmetricCryptor.decrypt(SymmetricCryptor.java:105)
20040804;10:29:37: at com.customer.crypto.SymmetricCryptor.decryptToStr
ing(SymmetricCryptor.java:95)
20040804;10:29:37: at com.customer.api.Data.DataServlet doPost(DataServlet.java:88)

Deploying JClient App using Java Webstart

I've got a BC4J/JClient app that I'm ready to deploy. I read the May 2004 white paper "Deploying Oracle ADF JClient Applications with Java Web Start" by Frank Nimphius. In the white paper it says that you must sign the jar files in order for the webstart deployment to the client to succeed. Since this will be an intranet only application, my plan is to use the Oracle Certificate Authority to generate my trusted certificate chain for code signing. I've figured out how to generate code signing certificates using OCA and I've signed code in the past using Sun's keytool utility. However, when I use keytool to generate my certificate request(CSR) and use OCA to approve it, I can't import it back into the keystore. I am assuming that I need to include the "-provider" switch on the "-import" command for keytool. If I'm correct, does anyone know what the provider is for OCA?
I also thought about not using keytool and generating a new CSR using Oracle Wallet Manager. I'm guessing that wallet mgr should already know about the OCA certificate formats. Since a wallet file is just a PKCS#12 keystore, I'm assuming that the jarsigner utility shouldn't have any problems using it as a code signing certificate store. My problem with wallet mgr is that I can only find it on the machine that has 10gAS installed on it. Is there any way I can install just the wallet mgr on another PC?
Thanks,
Mark Brown

Thanks Frank. I posted the question here:
Signing Java Webstart apps with Oracle Certificate Authority
for anyone who wants to follow the progress.
Mark

Problem using Java Webstart to kick off CORBA Client

Dear all,
I am currently having a problem in using the Java Webstart to kick off
the CORBA Client, I set up the JNLP file jvm properties as following:
<resources>
<j2se version="1.4*" java-vm-args="-Xms64m -Xmx256m -verbose -esa
-Xnoclassgc -client -Dswing.useSystemFontSettings=false ">
     <resources>
     <property name="vbroker.orb.initRef"
value="NameService=corbaloc::10.35.55.82:20005/NameService"/>
</resources>
</j2se>
</resources>
The problem I have is that when the webstart starting the client, the
client just simply dies during the startup and I find the log message
following:
org.omg.CORBA.ORBPackage.InvalidName
     at com.inprise.vbroker.orb.ORB.resolve_initial_references(ORB.java:943)
So it is showing that there is problem with the vbroker.orb.initRef
setting, know that if I don't use the webstart to start the client and
simply use the windows batch file, using the jvm properties as:
java -Dvbroker.orb.initRef=NameService=corbaloc::10.31.51.80:20001/NameService
It would work perfectly.
Could you tell if I miss anything when configuing the webstart jnlp
file on this regard? Currently, I think that the only way I can set
the JVM properties in the JNLP file is to use its properties tag to
set the system properties for the application.
Thanks heaps in advance for any help you can give here !!!
Victor

Hi, Andre,
No, I have tried both of your suggestion and there was no joy. I still have the following error and the client jvm just crashes during starting up:
org.omg.CORBA.ORBPackage.InvalidName
     at com.inprise.vbroker.orb.ORB.resolve_initial_references(ORB.java:943)
I believe it is still related to the jvm properties:
<property name="vbroker.orb.initRef" value="NameService=corbaloc::10.35.55.82:20005/NameService"/>
And know that when I used "-Dvbroker.orb.initRef=NameService=corbaloc::10.35.55.82:20005/NameService" in the windows batch file, the client runs ok.
Is this indicating that there is the limitation of using the webstart to invoke CORBA client?
Any further help would be very appreciated!
Victor

Strange when using BouncyCastle in Java WebStart

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