[PET] Homomorphic hashing?

R. J. Cronk rjc at privacymaverick.com
Mon Oct 31 14:04:06 GMT 2011

I'd like to be able to take two numbers and do a greater than comparison x
< y.  However, I'd like to be able to do this without knowing x and y.
This might be useful in blind bidding where I want to compare two bids
without actually revealing the bid. Is there such a thing or can anybody
suggest an alternative method?

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