A more recent version, which appeared at ACSAC in December 2007 can be found at:

http://www1.cs.columbia.edu/~angelos/Papers/2007/SSARES_ACSAC.pdf

Since then, the student primarily working on this(*) has improved performance to the point of being able to search a couple of email messages per minute or so, with further scope for improvement. The very large storage overhead remains, but can probably be reduced by half or so.

(*) Adam Aviv; he was an undergrad at Columbia, now pursuing his Phd with Matt Blaze at UPenn...

-Angelos


On Jun 1, 2008, at 8:53 AM, Perry E. Metzger wrote:
"Leichter, Jerry" <[EMAIL PROTECTED]> writes:
Does anyone know of existing work in this area?

"SSARES: Secure Searchable Automated Remote Email Storage"
by Keromytis et al,
http://www1.cs.columbia.edu/~angelos/Papers/2006/SSARES_short.pdf

There is probably other work out there. In some small part, this also
looks like the problem that Matt Blaze's CFS addressed, though in that
case it was to deal with untrusted remote file servers rather than
email servers.


Perry
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