Re: [tor-dev] PrivCount - Draft of secret-sharing specification

2017-10-01 Thread Carolin Zöbelein
Hi, Am Donnerstag, den 28.09.2017, 11:48 -0400 schrieb Aaron Johnson: > Hello, > > This appears to be a sketch of Shamir secret sharing, which will be just one > tool used in the PrivCount system. For example, it is missing how relays (aka > Data Collectors) maintain counters, how aggregators (

Re: [tor-dev] PrivCount - Draft of secret-sharing specification

2017-09-29 Thread Ian Goldberg
Thanks for the writeup! Some notes inline. On Mon, Sep 25, 2017 at 09:26:13AM +0200, Carolin Zöbelein wrote: > 1. Introduction > > Assume, we have a given secret s which we want to share with a > particular > number N of participants who are only together be able to reconstruct > i

Re: [tor-dev] PrivCount - Draft of secret-sharing specification

2017-09-28 Thread Carolin Zöbelein
Hi, thank you for your feedback! I have to say this Am Donnerstag, den 28.09.2017, 14:35 -0400 schrieb Ian Goldberg: > My earlier mail in this thread bounced for Reasons. Here it is again. > >- Ian > > Thanks for the writeup! Some notes inline. > > On Mon, Sep 25, 2017 at 09:26:13AM

Re: [tor-dev] PrivCount - Draft of secret-sharing specification

2017-09-28 Thread Ian Goldberg
My earlier mail in this thread bounced for Reasons. Here it is again. - Ian Thanks for the writeup! Some notes inline. On Mon, Sep 25, 2017 at 09:26:13AM +0200, Carolin Zöbelein wrote: > 1. Introduction > > Assume, we have a given secret s which we want to share with a > particular

Re: [tor-dev] PrivCount - Draft of secret-sharing specification

2017-09-28 Thread Aaron Johnson
Hello, This appears to be a sketch of Shamir secret sharing, which will be just one tool used in the PrivCount system. For example, it is missing how relays (aka Data Collectors) maintain counters, how aggregators (aka Share Keepers) aggregate counters, and how secret sharing is used among thos

Re: [tor-dev] PrivCount - Draft of secret-sharing specification

2017-09-27 Thread Carolin Zöbelein
Hi, > Hi, > > This looks like a great overview of the Shamir secret-sharing > protocol. > > We talked about instantiating it with unsigned 64-bit integers on > IRC. > It would be easier for me to understand it (and for someone to code > it). > > This would also help us define an interchange for

Re: [tor-dev] PrivCount - Draft of secret-sharing specification

2017-09-26 Thread teor
> On 25 Sep 2017, at 17:26, Carolin Zöbelein > wrote: > > Hi (PrivCount) folks! > > I just finished the first draft of the k,n-secret-sharing thing for > PrivCount. :) > > Sorry that it need some time, but I'm sadly a bit slowly with reading and > writing. > > You can find it here at githu

[tor-dev] PrivCount - Draft of secret-sharing specification

2017-09-25 Thread Carolin Zöbelein
Hi (PrivCount) folks! I just finished the first draft of the k,n-secret-sharing thing for PrivCount. :) Sorry that it need some time, but I'm sadly a bit slowly with reading and writing. You can find it here at github: https://github.com/Samdney/28X-k-of-n-secret-sharing and also below in th