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RE: IS&T Archiving 2006
I'm not sure the LTANS mailing list is the right place to discuss
my paper, but I wanted to point out that you might have long-term
security without using encryption, and long-term notary without
timestamp evidence chains.
> Unfortunately for my understanding the shared secret concept has one
> severe weakness: it does not prevent the owner of the system
> to retrieve data and read it.
This is not the case. Maybe it isn't really a topic for
this list, though. There's an active literature on secret
sharing. Most use secret sharing as a way of managing encryption
keys, but I think it is practical now for the data itself,
without using encryption at all, and appropriate to do so
for a long-term archive.