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Keyed hash functions, Novell's patent
Ref: Your note of Sun, 29 Jan 95 11:40:20 EST
Folks:
I hope that the issue with Novell's patent can be resolved...
Indeed, I presented my paper at the 92 Infocom (May) in Florence.
Moreover, a rougher version of the very same "paper" is included in
the appendix of my PhD thesis which was approved/recorded in April
1991 at the University of Southern California. This is almost a full year
earlier than Infocom. (It includes both key-prefix and key-suffix
methods.)
To the best of my knowledge the idea of using key as a prefix was also
(independently) suggested by Steve Kent and Dave Solo who
were (back in 90/91) involved with SNMP security features.
I recall having an email discussion with them about this subject in the
Fall of 90.
I also remember seeing a paper by Li Gong where he proposed something
quite similar.
Cheers,
Gene
p.s. The Infocom paper can be obtained as:
ftp://jerico.usc.edu/gene/www/paps/t92.ps.Z