From gsanders87 at gmail.com Tue May 8 12:58:33 2018 From: gsanders87 at gmail.com (Greg Sanders) Date: Tue, 8 May 2018 08:58:33 -0400 Subject: [Lightning-dev] Scriptless Scripts with ECDSA In-Reply-To: References: <39f93652-666d-8864-5b3e-0141f3e45085@purdue.edu> Message-ID: >From what I understand talking to folks, the linear properties of these signature tricks are maintained under a number of post-quantum schemes. On Tue, May 8, 2018 at 8:44 AM, Benjamin Mord wrote: > > If I'm not mistaken, the scriptless scripts concept (as currently > formulated) falls to Schor's algorithm, and at present there is no > alternative implementation of the concept to fall back on. Correct? Lest we > build a house of cards, I'd strongly urge everyone to not depend on > functional concepts whose underlying cryptographic primitives cannot be > swapped in an emergency. > > Sure, we use ecdsa for example (which is also vulnerable to Schor's > algorithm), but in contrast to scriptless scripts we have a variety of > backup primitives at our disposal that fulfill the same functional > objective. > > If scriptless scripts are found possible under lattice-based cryptography > for example, that would be something I suppose. The functional concept of > scriptless scripts is indeed very awesome - we just need to add some > cryptographic conservatism before we build on it. > > > _______________________________________________ > Lightning-dev mailing list > Lightning-dev at lists.linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/lightning-dev > > -------------- next part -------------- An HTML attachment was scrubbed... URL: