Proxy RADIUS from MSCHAPv1 to MSCHAPv2

[Alan DeKok]

Franco Pieressa wrote:
> I can't upgrade the NAS nor the RADIUS server :-(

  I would suggest trying *really* hard.  It's a lot easier to upgrade
than to do the impossible.

> What I need to know, is if it's theorically possible to translate the
> MSCHAPv1 authentication to a MSCHAPv2 authentication?  Can the keys and
> the challenge be converted? 

  No.  It's impossible.  See above for better suggestions.

  Hint: using broken software is bad.  Use real software that works.

  Alan DeKok.