[CAP] Presidential CAP questiion

[Mick Jagger]

> document, and likewise 3.3.2.2 re encryption using W3C XMLENC.  The real
> challenge lies in establishing and maintaining the national public key
> insfrastructure and the associated user authorization procedures.  That's
> something FEMA has committed to do as part of IPAWS.

Yes, this is going to be quite the challenge.  The auth system needs to function from the federal level on down to local, supporting possibly millions of users/keys, respecting jurisdictional boundaries, available in both an online and offline format, and work on secure and unsecured networks.  With an electronic EAS system is all about who you trust...

-- 
lists at jpw.biz
--