How to restrict the .class file from decompilation

Hi all,
i got a security problem. i need all the java class files to be most secured. is there any to restriction on the java class files from decompilation. is that possible?. pls help me out. it's very urgent
thanks in advance

You can make it harder to understand the decompiled code if you use an obfuscator. (I don't have links to any, do a google search, or search these forums, it have been discussed here previously.)
You cannot completely prevent decompilation, though. Obfuscating does not for example not mean that any passwords you have hardcoded in the source is secure.

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Thanks
kvmp

Obfuscating your files is your best bet. This has been discussed to death, both here and on every other Java-related discussion site and newsgroup since about 1996; a Google search on "Java obfuscation" should help.
You can also look here for an overview:
http://mindprod.com/jglossobfuscator.html#OBFUSCATOR
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6. Ran the .xml file
As I copied all the folders from Unix box, the page was opened.
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All are Java files are stored in JDEV_INSTALL_DIR:\jdevhome\jdev\myprojects\
In your case the path java would be
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AND
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Duplicate Thread-
Thanks
--Anil
http://oracleanil.blogspot.com/

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hi,
i cant think of a reason why you would do something like that.. You cant prevent your class files to be read by the JVM of a different OS, but anyway you could do something to stop your code from running in a different OS, for eg.
Properties prop = System.getProperties();
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//code
else
System.out.println("Sorry i will not run in this OS");
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when i try to execute process chain the DTP it is giving below dump. Exception CX_RSBK_REQUEST_LOCKED logged.
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Information on where terminated
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The main program was "RSBATCH_EXECUTE_PROZESS ".
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regards
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Edited by: venugopal vadlamudi on Sep 28, 2010 1:59 PM

hi experts,
We have written start routine to get the storage location text and sending to File located at Application server through OPEN HUB.
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" Populate the lookup table for 0STOR_LOC
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thanks
venuscm
Edited by: venugopal vadlamudi on Sep 29, 2010 9:37 AM

How to restrict the user(Schema) from deleting the data from a table

Hi All,
I have scenario here.
I want to know how to restrict a user(Schema) from deleting the values from a table created in the same schema.
Below is the example.
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Hi,
kumar0828 wrote:
Hi Frank,
Thanks for the reply.
Can you please elaborate on how to add policies for a table for just firing a select DML statement on table.See the SQL Packages and Types manual first. It has examples. You can also search the web for examples. This is sometimes called "Virtual Private Database" or VPD.
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Always say which version of Oracle you're using. Confirm that you have Enterprise Edition.
See the forum FAQ {message:id=9360002}
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I just saw the previous response, which makes some additional good points (e.g., a user can always TRUNCATE his own tables). ALso, if user ABC applies a security policy to the table, then user ABC can also remove the policy, so if you really want to prevent user ABC from deleting rows, no matter how hard the user tries, then you need to create the policies in a different schema. If you're creating things in a different schema, then you might as well create the table in a different schema.

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import java.io.*;
public class demo {
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int result;
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InputStream in = proc.getInputStream();
result = proc.waitFor();
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String line = null;
System.out.print(commandOutput);
try {
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System.out.print(line);
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commandOutput.close();
} catch (IOException e) {
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} catch (IOException e) {
System.err.println("IOException raised: " + e.getMessage());
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What happened when you tried what you have there?

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What do you use to backup the files to disk? cpio? dd?
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I have "basic" (?) question concerning Java-Class-Files.
As our company is currently developing an Web-Intranet-Solution, we have to give the source-Code (class-files, jsp-pages and the jar-files) tio the customer.
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For obfuscation, Proguard is a GPL one, and Retroguard is suitable for commercial shipments, but I suppose there are more than a bunch of them out there, which I am not aware of.

How to restrict the .class file from decompilation

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