3 ms·
My point is not about a specific algorithm or application. I’m talking about the family elliptic curve vs lattice. Bernstein isn’t asking people to run hybrids
by vlovich123 2mo ago
My point is not about a specific algorithm or application. I’m talking about the family elliptic curve vs lattice. Bernstein isn’t asking people to run hybrids because the mathematics is simple and well understood.
Also Curve25519 is just a specific set of constants for ECDH. The underlying algorithm was already designed and well understood. The main advancement was selecting the constants carefully to be free of side channel attacks and to be fast. If you can’t see how that’s a very different situation I really don’t know how to help you understand the concern.
- tptacek 2mo agoYou know who wouldn't agree that Curve25519 is "just a specific set of constants for ECDH"? The guy who wrote SafeCurves. Also: you've lapsed into talking down all lattices, which leaves you in the position of explaining why Bernstein submitted/sponsored sntrup.
- vlovich123 2mo agoAll I’m saying is that lattices are newer and more complex. Bernstein is proposing a lattice scheme AND saying it should be hybrid. ALSO. The proposal is to replace cyclotomics with Gallois field precisely because they are better understood and easier to construct correctly. > The NTRU Prime project recommends switching from "cyclotomics" to "large Galois groups" to reduce the attack surface in lattice-based cryptography. After this recommendation was published, Gentry's original (STOC 2009) fully homomorphic encryption system was shown to be broken in quantum polynomial time for cyclotomics.
- deleted 2mo ago[deleted]