I was wondering hwo to go about making sure that a user has access to
read or write to a folder/file on the local/network file system given
just the path from Java. I have a simple test program:
import java.io.*;

I have written a Java application that uses a client certificate to
authenticate (login) to a realm (domain) on Tomcat. During development
I used Java's keytool utility to generate the certificate. Now it is
time for my application to go to production and I must purchase a

 We have created a java application that runs our business
application, and are now looking to run it as an applet so that it can
be accessed from the internet. We have loaded both the classes and a
jar file to the web server for testing, and have found that when we

I've a problem with this java-class "hash":
import java.security.*;
public class hash
{

I generated a public/private keypair using keytool (j2sdk1.4.2_04 on
Windows NT):
keytool -genkey -alias <alias> -keypass <passwd> -keystore .keystore
As I've read in the documentation for keytool this command generates a

Perhaps I can use functionality like the javamail crypto API.  
To get 100% grip on it I need sources. Unfortunately the
'net.suberic.crypto' stuff is out of sight.
I tried to get it via anonymous CVS at sourceforge, but no reply as a

I have an application that get PDF documents from the Web and store
them in a database. I don't want to add the same document many times
so I decided to calculate the digest of these documents.
Here is want I do:

SecureRandom hangs on the Linux Machine I am using (Linux 2.1 AS)
running Sun JDK 1.4.1_05.
Does anyone know if this is a known issue, how can it be resolved ?
Thanks in Advance,

I have created a key using keytool and selfcer it. But when I calling
using the SSLSession.getLocalCertificates , I always got null.
Here are the entries in my list, any comments? Thanks a lot
jacktestkey, Fri Nov 12 12:35:39 EST 2004, keyEntry,

we want to deploy a web archive (*.war file) or just jar files to our
customers. We do all customer specific modifications to the included
XML configuration files before deployment and want to prevent the
customers from changing any configurable parameters.

I want to test my application which connects to a https site. The
certificate is NOT trusted with a root certification authority.
I get the following error:
Caused by: javax.net.ssl.SSLHandshakeException:

I've no experience at all with Tomcat and would like to setup an https
traffic to a tomcat integrated webserver.
I would like to know the steps for :
1) generate the webserver certificate CSR (We sign the CSR with our

I installed the latest JRE (J2SE 5.0 JRE) on a Windows host yesterday.
After installation, the host listens on several new ports. The listener
seems to be related to Java Web Start.
I don't need Java Web Start (just want a working JVM); I want a

Hello to everybody,
I try to run my batch file in this way :
    Runtime.getRuntime().exec("http://virgilio/"+parent.areaAdams +
"/run_adams.bat");