bye bye ViaCode

[Brian Gladman]

From: "Peter Gutmann" <pgut001@cs.auckland.ac.nz>
To: <ukcrypto@chiark.greenend.org.uk>
Sent: Monday, June 10, 2002 1:26 PM
Subject: Re: bye bye ViaCode


> "Brian Gladman" <brg@gladman.plus.com> writes:
>
> >But far better models are now emerging in which the relying party
approaches a
> >certifying party *** at the time of a propsective key dependent
transaction
> >*** to detemine if the key(s) in question is/are valid.  This provides a
full
> >context in which key validation can take place and hence removes many of
the
> >hurdles to effective key certification.
>
> This was the original certification model proposed in the 1970s before CAs
were
> invented (eg see Davies and Price, "Security for Computer Networks").
> Unfortunately a lot of this early work has been lost, buried under the
> avalanche of X.509 which followed it, so it's not easy to find information
on
> anything which doesn't follow the hierarchical centralised identity-CA
model
> (if anyone has any more historical references I'd be interested in hearing
of
> them).

Thanks for this - I had not realised it went back this far.

I have several colleagues who worked on the NPL programme with Donald
Davies - I will ask them if they have any references.

    Brian