[cryptography] Homomorphic split-key encryption OR snake oil crypto

Florian Weimer fw at deneb.enyo.de
Sun Feb 19 12:58:35 EST 2012


* Saqib Ali:

> If the system involves split key / shared secrets (m of n), then it
> wouldn't be a homomorphic system. Would it?

I think the "homomorphic" part alludes to the fact that full
reconstruction of the entire key is not needed to perform the
cryptographic operation.  In essence, I suspect it's a misnomer.

We'd need a protocol description, not an interview, to be sure.



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