problem with MD5 encrypted secret

[Alan DeKok]

"Guido" <guidonro at gmail.com> wrote:
> ---Received Accounting-Request packet from 192.168.1.12 with invalid 
> signature!  (Shared secret is incorrect.)

  The shared secret is wrong.  You did not type it in correctly.

> How can I configure freeradius to work with MD5 secret ? The secret now, is 
> coming MD5 encrypted and I see the following error:

  RADIUS doesn't work like that.

  Alan DeKok.