I'm currently developing an application
that downloads data (plain ascii) from
the Internet.
I want this data encrypted and saved on

Is there a way to cypher a text limiting the characters that algorithm
can produce? (I've to limit them to alphanumeric characters, lowercase
and uppercase and not others).
On javaalmanac I've founded this example:

using j2ssh connecting via sftp, but get "Corrupt Mac on input".
When using a regular command line sftp everything works fine. Suspect
it has to do with configuration of ssh-connection, and authentication
mechanism

I have a test certificate created from keytool. I am using j2se 1.4.2.
I want to configure the j2se so that it recognizes my test certificate
as a trusted certificate. How can I achieve this ? Any pointer will be
appreciated

Guess I need some hand holding :(
I am trying to programmatically access a web page that requires a
username/password and uses SSL with some sort of certificate.  (No,
I'm not doing anything bad)

I need to do HTTPS requests from a WLS container through a proxy which
requires encoded username/password authentication. Therefore, I am
using an extension of SSLSocketFactory (part of SUN's JSSE), which
does the proxy authentication for me and the tunnel handshake as well.

Is there any tool which translates variables and methods into something
non-obvious names, so the compiled class could not be easy to understand
with disassembler ?

I'm the admin of an open-source java project
(http://jugglinglab.sourceforge.net), and a rank newbie to the topic
of jar signing.  I would like to be able to copy/paste text between my
applet and other applications, and from what I understand this

I'm trying to implement the DES encryption in Java. I have a couple of
concerns at the moment. The first is if I am importing a text file
how do i implement this in a binary or hexidecimal format. I've looked
through the api specifications but am not sure how to go about

has anyone managed to login into a UNIX system as another principal than
the user that runs the application using JAAS?
The JNDI-Module returns the corect subject, but when I do a
    Subject.doAs(subject, action)

We are trying to automate login to a JBOSS J2EE application.
The security model is DatabaseLoginModule based.
We can log in manually through a JSP page, with a username and password that
submits to JSecurityCheck servlet.

Has anybody encountered on example, which shows how to use KeyAgrement
class?
Maybe some source code?
Thanks in advance.

for the client authentication process,
i have generated my own private key and public key using openssl. i
have also converted the private key to the unprotected pkcs 8 format
using openssl command, so tht java can read n use the key. For

 I want to sign jars with my personnal key to use java web start. My key
was delivered to me from a PKI system from my company. It came in pkcs#12
format.
 I guess that I have to import it in a java keystore to use with jarsigner.

I got -12229 mozilla error code when I try to connect to my web app, ( after
I accept certificate ).
IE , Opera connects OK.
App server is Jboss 3.2.3/Tomcat 4.1 and cerificate is generated using