Radius Server - Radius Autentication using Chap

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Author Radius Autentication using Chap
Alto

2005-01-31, 2:55 am

I need to authorized users with Chap, the user's names & password are
in an outside application that I have an API to it and they are not
Windows users.
I uses an extension Radius DLL that get the radius requests and work
with the outside application by the API.
I order to make authentication with the Chap mechanism I need to use
MD5 decoding.
Any ideas where I can find information of how to do this process?

Sam Salhi [MSFT]

2005-02-16, 2:48 am

There doesn't exist any feasible "decoding" for MD5. You will need to store
the passwords in reversible encryption and have your API provide access to
the clear text passwords
If at all possible use MSCHAPv2 which is more secure than CHAP and doesn't
require Reversible encryption for the passwords


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"Alto" <arnon.ayal@gmail.com> wrote in message
news:1107157971.658180.279620@z14g2000cwz.googlegroups.com...
>I need to authorized users with Chap, the user's names & password are
> in an outside application that I have an API to it and they are not
> Windows users.
> I uses an extension Radius DLL that get the radius requests and work
> with the outside application by the API.
> I order to make authentication with the Chap mechanism I need to use
> MD5 decoding.
> Any ideas where I can find information of how to do this process?
>



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