Il giorno gio, 18/10/2007 alle 14.37 +0000, Franz Brandl ha scritto:
> that would correspond to the "unsafe environment" configuration of the
> Austrian Citizen Card. However, this card may alternatively operate in
> an "safe environment" mode where it does not require SM to use the
> private signature key.

This sounds to me as "Trusted" and "Untrusted" environment in CWA 14890:
ftp://ftp.cenorm.be/PUBLIC/CWAs/e-Europe/eSign/cwa14890-01-2004-Mar.pdf
(8.2 Authentication environments)

Are you referring to the same concept?


> 
> Is it possible that the Italians require SM to be used for secure
> signature in any case ? That would IMO dramatically reduce the
> usability of the card (or the security of the SM key if it is spread
> towards lots of signature applications) ...

I think so; by the way, what "trusted environment" usage scenario do you
see for a smart-card? 
The big problem in Italian actual CNS IMHO is not SM, but the way
(pre-shared simmetric key) it is implemented.

Roberto.

> 
> Brandy
> 
> > There is some access condition on the private key corresponding to
> the 
> > 'qualified certificate'. That access condition refers to a SM BSO.
> That SM 
> > BSO contains a secret symmetric key. you need to know that symmetric
> key in 
> > order to make signatures with the qualified certificate.
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> 
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