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 +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 > > it. > > To realize this, we can split our secret in n parts s_i. Our secret > > will be > > then the sum over all s_i. This is the simplest secret sharing scheme > > at all. > > Since it needs all participants for the reconstruction, it is called a > > (N,N) > > treshold secret sharing algorithm. > > > > But we also see that it has weaknesses. With every leaked share s_i, an > > adversary can reduce the number of possible soulutions for our secret > > very > > easily. This leads to the group of more efficient secret sharing > > algorithms. > > This is not true. Even if N-1 of the shares are exposed, *zero > information* about the secret is leaked! > ... is of course, very big trash which I wrote in the proposal. Why did I write this? I don't know. I think I had Gaussian elimination in my mind which is absolute nonsense if you only have one equation, of course! *argh* Sometimes, by brain does strange things ;) I have some comments to the other things you pointed out. I will follow up with some emails, tomorrow. Bye and thank you for your help! Carolin -- ----------------------------------------------------------------------- Carolin Zöbelein / Nick: Samdney PGP: D4A7 35E8 D47F 801F 2CF6 2BA7 927A FD3C DE47 E13B ----------------------------------------------------------------------- _______________________________________________ tor-dev mailing list tor-dev@lists.torproject.org https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-dev
