Thanks for your prompt reply. Much appreciated :)
If anyone on the list has any further pointers, I will be grateful for your
Thanks in advance
From: m...@mgsys.dk [...@mgsys.dk] On Behalf Of Martin Geisler
Sent: 23 April 2010 18:04
To: Srinivasan S Mr (Computing); firstname.lastname@example.org
Subject: Re: My dissertation
I'll CC this message to the VIFF mailinglist as well -- there are many
people there who can help you if I cannot. Please keep the list as CC on
> Hi Martin
> I hope you have settled into your new workplace and enjoying yourself.
Thanks, it's going well in my new job.
> I had a few quick queries if you don't mind.
> I have been trying to get a grasp on MPC ideas over the past few days.
> I was wondering if you could point me a recent comprehensive, but not
> too heavy survey on MPC. If I could get an idea of how the field has
> progressed and various approaches to achieving MPC without getting
> bogged down in too much detail, it may be helpful for me at this
I don't know of such a survey off the top of my head.
> As I understand, VIFF implements the underlying functionality using
> Shamir Secret Sharing. It seems there are other approaches possible as
> well and one of my colleagues wanted to know if VIFF also implements
> the ideas from the paper "Multiparty Computation from Threshold
> Homomorphic Encryption by Ronald Cramer and Ivan Damgard and Jesper
> Buus Nielsen"? My guess is No, but I am not not sure.
Right, we have not implemented the protocols from that paper.
> There are some papers that refer to this latter work, for example
> "Efficient Binary Conversion for Paillier Encrypted Values by Berry
> Schoenmakers and Pim Tuyls". I was wondering if the application in
> this paper can be coded with the functionality provided by VIFF in
> principle, or there are some details which may prevent it from being
I'm sorry, but I'm not familiar with that paper. But you should think of
VIFF as having a number of layers:
1. basic player administration
2. network setup
3. secret sharing and reconstruction (Shamir-based)
4. secure addition and multiplication
5. more complex protocols
So depending on how the primitive above fits into the stack, you may be
able to reuse more or less code.
> Sorry if my queries don't make sense. I can admit I don't have much
> knowledge of the details and I am trying pick up stuff as I go along.
> Thanks in advance.
> Best Wishes
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