[Users] openser radius tutorial

[Juha Heinanen]

Daniel-Constantin Mierla writes:

 > > just to add that is it now (freeradius 1.1.1) possible to store user
 > > passwords encrypted using enc_mode=yes digest parameter.
 > >   
 > you know the algorithm? do you have to set an encryption/decryption key 
 > to the server?

you calculate md5sum on string userid:realm:password and use that as
value of Digest-HA1 radcheck attribute.

-- juha