Hi All,Actually curretly I am working in Banglore and planning to go for Java Sun Architect Exam. I am already a Sun Certified programmer.Can any one just guide me which centre in Banglore, India is have the authorization for the exam and also guide me with the study material, which I have to ...

I hope the subject tells you what's going on. We've developed a webservice and we must provide external access to client. The security mechanism they have set up here at work goes as follows:1) Client would send a certificate to the server2) Server would get the certificate and send one back ...

I'm trying to enforce client-authentication. Tbe client-certificate I'm using is one that is signed by my own CA created using OpenSSL. Naturally, the CA cert is in my servers truststore.Anyway, I test client-authentication with Tomcat (clientAuth="true"), and it seems to work fine. Using the ...

Hi!We have an applet done with Sun JDK 1.4.2-03 which has to connect a domino server in SSL mode.During the handshake the connection breaks down.The most surpising thing is to use IBM JDK to generate the applet, and the applet works.So we are thinking that there are some differences between ...

i have a java application which is a server application, and i also have a VC application which is a client application. Now i wanna to have a SSL connection between the java server app and VC client app. How to make it? is it possible to relize the SSL connection between them?

i am using the j2se1.4.2.03when i start tomcat ,the error accor:java.io.IOException:algorithm tls not availablelefecycleException: Protocol handler start failed: java.io.IOException:algorithm tls not availablethe server.xml:<Connector port="8443"maxThreads="150" minSpareThreads="25" ...

Hello all,I am writting a server application in Java that recieves a file from a client (written in Delphi). The code that reads the file is shown bellow. The code works sometimes, but approx. 50% of the time, I get a "Unsupported record version Unknown x.x" exception. Has anyone encountered ...

Hey,I'm currently writing a server/client pair and would like to use a SSL to pass data between them.I followed the guide (here: http://java.sun.com/j2ee/1.4/docs/tutorial/doc/Security6.html) to create my key, keystore and cert with the following commands:keytool -genkey -alias ssl-test ...

Hey,I have a SSL client/server pair that pass messages between each other. Basically I'm having a problem where any sent message containing a line break are split based on this line break.So if I sent "cheese \n monster \n", the server would recieve it as two different commands ("cheese" and ...

i am developing a firewall and need hel with the developement.I need help regarding1) how to capture packets in java?2) which APIs to use?3) the basic design of this firewaal

Hi all. I am developing a small inventory control system for a warehouse.I am suing a Java desktop application that connects to a servlet via Internet.I have been searching the net how to use JSSE for my application since i am new to secure sockets and JSSE.Since I havent implemented security ...

Hi.It is mentioned in Sun's tutorial like this at: http://java.sun.com/webservices/docs/1.0/tutorial/doc/WebAppSecurity6.html#68498If the keystore file is anywhere else, you will need to add a keystoreFile attribute to the <Factory> element in the Tomcat configuration file or specify the ...

HiWhile setting cipher suites for ssl serversocket and socket, there may be lot of stream ciphers and block ciphers in the list. (also there may or may not be anonymous cipher suites).How does the ssl socket decide which cipher suite to use?Sorry for this newbie question.Thank ...

Hi all,I am new to SSL and JSSE. I need to implement SSL, client side authentication.Through my Java client program, I need to connect to the https server. (The client side certificate will be provided by the company latter)How can I tell my client program to use the certificate when connecting ...

Hi guys,I am using openssl to create a certificate chain. For testing purposes, i created a self-signed root ca certificate and created a server certificate signed by the ca. Now I want to create a client certificate (using keytool) and sign it using the server certificate hence creating a ...

I am having problems with 2000 child-domain server and 2003 stand-alone server and would appreciate if someone has some ideas what the problem is.Pre steps (created a trusted connection - secure LDAP Access)- I installed MS certificate services (Enterprise Certificate Authority)- Edit the group ...

Hello,I am very new to SSL and the certificates world.My problem is the following. I need to access a web server through Java (HttpClient). This is a bank site that uses SSL with server and client certificates. The bank provided me with a certificate password and the first time I entered the ...

Hello,Hope you can help me here. I need to make https URL connection from java class to a servlet. I am able to make the connection but all I am getting is the html of the login page (the servlet is a protected resource).Do you know how can I programatically by pass the login page and then ...

Hello,I am trying to communicate with a secure remote server and download data, and I am having trouble. The log from the remote server says "client passed no certificate". However, I have a valid digital certificate from this site. The certificate works fine in Netscape. I have exported the ...

hi all,I have developed a program to consume https web service where the server required client authentication. Therefore, it's required for me to specify my trust store and keystore accodingly. This how i did it.System.setProperty("javax.net.ssl.trustStore", ...

I齰e been attempting to get XMLRPC working, but I'm having some problems with SSL. For some reason, the client has mysteriously stopped authenticating itself to the server. I had it working, but then it mysteriously stopped working, despite the fact I haven't touched the relevent code in a ...

Hi Can any one tell me how to get the public key from a digital signature.thanx in advance.-palindia

I am very new to JSSE and had a few questions about it.All the examples I am seeing, the client has the cert and the cert password to get into the keystore. Now what happens if there is a new client w/o the certificate, so it querys the server. How does the server manage to get the client the ...

Hi everybody!Anyone can explain me how to generate x509 certificated keys without using the keytool?Is there a way to do this?Any help would be greatly appreciated,thank you very very much!!!Alex

Hi,I am developing a secure FTP client.Is there any free API available in the market which I can be reuseable in my application?If not please provide me some link so that I can develope such API using JSSE API.FYI-I am following the Internet Draft, 齋ecuring FTP with TLS?by Ford-Hutchinson,a ...

I am new to Java and servlet? I am trying to setup a form based authintication. in every example, I find that page is calling for j_security_check. Can anyone please give some light on j_security_check?Thanks,

Hi,Excuse my newbie level.I need to connect to an https site (not mine) via a java URL. I understand I must install a certificate in my cacerts file.Question - where do i get this certificate from ? can I download it from the external https site, or must I ask the system administrator ?Or does ...

I have tried a couple ways to create these and both give problems.First, I tried using SSLServerSocketFactory.getdefault(), and with this approach to making the SSLSockets, I get the socket factory and the server socket, but when I try to get the SSLSocket in order to get the iostreams to read ...

I have the following code to make an HTTPS connection.I have the JSSE jar at the top of my classpathWhen I run it, I get a class cast error on the last line. I am running inside of IBM's WSAD.How is the IBM version of HttpsURLConnection getting in there? How can I fix this to return the ...

I've built somekind of advanced ftp server, and i would now like to add SSL or TLS on the server.Implementing implicit SSL is easy. I used some SSL sockets, and everything was working fine.But if i want to use TLS or explicit SSL, i have a problem.With an SSL socket, any attemps to read/write ...

Can anyone point me to some source on creating an RMISocketFactory that uses JSSE and compression? I actually have an RMISSLSocketFactory, very easy to create, but didn't know the best way to add compression.TIA

Hello,I'm developing a java tls ftp client. When I run it on my powebook (jdk 1.4.2_05) this works fine, however when I try to run the same code against the same server on windowsxp (jdk 1.5) I get an " RSA premaster secret error". My code is a slightly modified version of the code found in ...

Hi,I was given a task to write a demo app to create a SSL connection between java client and a C server since that's the model of our company's software.i am not so sure if java's built-in ssl socket can talk to the OpenSSL library?could anyone give me some help on this?if you could provide ...

Hi everyone,my little HTTPS client works on www.sun.com, www.microsoft.com ect. but if i set it to access localhost (or "troy" which is the name of my machine), it gives me the following exception:bash-2.05b$ java -Djavax.net.ssl.trustStore=key1 HTTPSclientjava.io.IOException: HTTPS hostname ...

Hi all,I havn't had much to do with SSL previously, so i just wanted to check;To send data as HTTPS, all i have to do is:SSLSocketFactory factory = HttpsURLConnection.getDefaultSSLSocketFactory();SSLSocket s = (SSLSocket)factory.createSocket("loginnet.passport.com",443);OutputStream out = ...

A old applcation use Open-ssl transfer Data .I want rebuild it with Java JSSE .But A question is puzzle me very much.I want use a ssl connecttion transfer crypt data and plain data sometimes. As the old application do.Somebody Help me. Thanks lot. haohang,China 2004 .11. ...

Hi,I need to disable the server authentication stage of the SSL handshake protocol. I'm only interested in authenticating the clients you see.Does anybody know how to do this?According to the JSSE documentation, it is possible"3 - Certificate - The server sends the client a certificate or a ...

Holla! I'm trying to establish a SSL-connection to a mySQL-Server and get this Exception - for that I havn't found an explanation in the internet at all:JDBC Driver loaded!Exception in thread "main" java.lang.UnsupportedClassVersionError: javax/net/ssl/SSLSocketFactory (Unsupported ...

1) Whats a good beginners book for this? / resource?2) If you are implementing SSL in ur j2ee application and you enable SSL on server... isnt that enough..3) What are keytools? How does the keys work? (***?****)

I am using java- mysql . I want to create a timer which checks for continuously for the new data, and I want to create the number of the threads as upto the new number of records.Plz Help me.Nilesh Vasani

All my problems are solved. My SSL things are working fine. Only one lil problem left.I downloaded the Unlimited Encryption pack.So i now have 256bits encryption suported in "getSuportedCipherSuites".But they arent enabled. And i dont know why.Any idea?

Is this something that has to be done programatically, or can you do it automatically somehow eg via signing a jar file with a certificate?

I'm stumped on an unusual problem. I'm running java 1.3 and Apache JServ (don't ask, I inherited this set up), using JSSE. One of the things we do with our app involves some xml communication over SSL.Starting last week, the time for the SSL communication jumped from about 15 seconds to ...

I have a multicastsocket and listening ports now I am building an online chat application with appletThe applet is accessing classes importing java.net n java.ioBut browsers(mozilla, ie) don't support these packages for security reasonsSo I was suggested to use certificates but I couldn't ...

Hi,I am trying to program a multithreaded server. Each thread polls its own socket. If data is available on the socket, it processes the data. If not data is available it goes to sleep, allowing other threads to poll their sockets. The code follows:public void run() {SSLSocket socket = null;try ...

I'm new to SSL so I would appreciate it if someone could explain the **detialed** steps to resolve the following problem. If I need to add or modify some certs how do I do that?I am testing this using JDK 1.4.4 and tomcat 4.1.27.I can connect to the test HTTPS url using IE but when I try the ...

Hello,My Problem:By client-certificate-based authentication the first step is to prove "Does user磗 public key validate user磗 digital signature?". How can I prove this on the ServerSide manually, resp. I want to verify it with java classes on the server side additional to web-server. Actually ...

I have implemented "non-blocking" SSL socket communication which largely mirrors that described at http://50001.com/language/javaside/lec/java_ibm/%BA%F1%20%BA%ED%B7%CF%20%BC%D2%C4%CF%C0%B8%B7%CE%20%B0%A1%B4%C2%20%B1%E6%20(%BF%B5%B9%AE).htm. However, if a connection is not explicitly closed by ...

HiThis is a cross port since I didn't know which forum to post in!I'm trying to implement a RADIUS server (EAP/TLS) as part of my master thesis. I'm not used to Java SSL libraries and can't get it to work. The server will respond to an accesspoint that uses 802.1x. I have created ...

I followed the examples on this site. http://javaalmanac.com/egs/javax.net.ssl/TrustAll.html?l=relI was wondering will this work with SSL Sockets?