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From "Johnny Kewl" <>
Subject Re: User-password from the HttpServletRequest
Date Thu, 03 May 2007 20:04:27 GMT
Sebbo.... the word you looking for is SYMMETRICAL encryption....
I think Sun has an Class... cant remember.
Anyway have a look at things like DES... and the one I like IDEA.
You can read up on all that stuff and I'm pretty sure you will find java 

I did have this all coded a long time ago... but I dont know where I put it 
off hand.
Probably better to use a Sun lib anyway...

----- Original Message ----- 
From: <>
To: "Tomcat Users List" <>
Sent: Thursday, May 03, 2007 7:45 PM
Subject: Re: User-password from the HttpServletRequest

>I saw, that I can get the password via the Principle: The Tomcat server has 
>his own implementation of Principle: GenericPrinciple which holds all the 
>stuff (pw, roles, etc).
> I know the problem with the changing of password, but thats not the main 
> probelm now ;-)
> Does somebody know a good encryption/decryption algorithm wich works only 
> with a password (String)?

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