From nicolas.dorier at gmail.com Tue Mar 8 04:53:55 2016 From: nicolas.dorier at gmail.com (Nicolas Dorier) Date: Tue, 8 Mar 2016 13:53:55 +0900 Subject: [Lightning-dev] Backward deterministic R Value In-Reply-To: <87d1r5ooev.fsf@rustcorp.com.au> References: <87d1r5ooev.fsf@rustcorp.com.au> Message-ID: Great, indeed we had same idea, I don't see how it solve the hashes in advance. As Alice knows H(1000000) = ). If she need the hash to the first commitment she need to hash the random secret seed 1000000 times. I think it is exactly the same problem as it is the exact same idea said differently. On Tue, Mar 8, 2016 at 8:31 AM, Rusty Russell wrote: > Nicolas Dorier writes: > > One way deterministic RValue Generation > > Hi Nicolas, > > Yes, in fact shachain is a variant of this which avoids > generating several million hashes in advance. Interesting, I suggested > using hashing in the Deployable Lightning paper but didn't actually > spell out the idea. Hmm.... > > Seems like it orignated from Adam Back: > > https://lists.blockstream.io/pipermail/lightning-dev/2015-May/000000.html > > Cheers, > Rusty. > -------------- next part -------------- An HTML attachment was scrubbed... URL: