Re: Notes from Non-meeting

Please explain why it is not practical to authenticate a PSAP with
crypto. Are you working in the mobile-handset case, the voip case,
or some other?

Adam

On Wed, Mar 20, 2002 at 12:05:32PM -0500, Rosen, Brian wrote:
> Getting the callers identity is a hard problem that is
> the subject of current discussion in SIP and not relevant
> here.
>
> Authenticating the PSAP cryptographically is not
> a practical approach. Doing it by addressing is
> practical, and I assert acceptable in this use case.
>
> Brian
>
> > -----Original Message-----
> > From: Randy Bush [mailto:randy@psg.com]
> > Sent: Wednesday, March 20, 2002 11:23 AM
> > To: Henning Schulzrinne
> > Cc: Adam Shostack; Rosen, Brian; geopriv@mail.apps.ietf.org
> > Subject: Re: Notes from Non-meeting
> >
> >
> > > The problem is not authenticating the caller, but authenticating the
> > > PSAP.
> >
> > i agree on the latter. i suspect the psap would like to get
> > the caller's
> > location if reasonably possible. i suspect it would also
> > like to get the
> > caller's identity, but not to check if they are authorized to call.
> >
> > randy
> >
Received on Wed Mar 20 12:29:11 2002