Internet access and telco usage patterns

Barney Wolff barney at
Mon Jul 8 23:17:00 UTC 1996

> Date: Mon, 8 Jul 1996 13:30:28 -0700 (PDT)
> From: Michael Dillon <michael at>
> On Mon, 8 Jul 1996, Barry James wrote:
> > So, the only "secrets" that are shared are the md5 digest keys used 
> > between the RADIUS server and TS.
> Not quite. The user must "share" their password with the first RADIUS
> client in order for it to be encrypted via MD5 in the first place. There
> is a hole here. But there is a solution as well.

Not true with CHAP.  Nothing knows the user's secret but the user
and the eventual auth server.

Barney Wolff  <barney at>

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