[viff-devel] Query from the University of Surrey

[Martin Geisler]

<S.Srinivasan at surrey.ac.uk> writes:

Hi again

> Many thanks for your reply. It is very much appreciated. Thanks also
> for the links.

You're welcome, I should have put up those links a long time ago.

>>> Right, the viff.paillier module just implements the good old
>>> Paillier cryptosystem, without any threshold support.
>
> Is there any plan to work in this direction?

I don't think anybody is working on threshold Paillier. Janus Dam
Nielsen and Marc X. Makkes have been working on a more efficient
implementation of Paillier by using a C-based Python extension. As I
understand it, this is just to cut down on the time spent in local
computation.

>>> Which platform are you on? I'm running VIFF on Debian unstable with
>>> Python 2.5.4 and Twisted 9.0 (these are the system packages).

> I am on a Windows XP machine. I tried with the latest versions of the
> the components from the respective websites, but the apps from the
> VIFF folder threw up errors. I realize I should have taken note of the
> error messages - sorry about that. So I installed slightly older
> versions (Python 2.4 and related) and things worked fine.

Okay. Perhaps one of the windows-savvy people on this list can help you
more or at least look at the errors.

> All the best for your thesis. I suspect your thesis will be centred
> around VIFF and MPC and I will be glad to take a look after you have
> submitted. Will you link to it from the VIFF website?

Definitely! :-)

-- 
Martin Geisler

VIFF (Virtual Ideal Functionality Framework) brings easy and efficient
SMPC (Secure Multiparty Computation) to Python. See: http://viff.dk/.
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