Re: Comparison of RSA vs elliptical keys

2020-05-12 Thread Sylvain Besençon via Gnupg-users
Le 12.05.20 à 11:24, Johan Wevers a écrit : On 12-05-2020 3:46, Pete Stephenson via Gnupg-users wrote: For example, a 256 bit elliptic curve key has a similar strength to a symmetric key of 128 bits. Until, of course, a working quantum computer with more than a few qubits is constructed. The

Re: Comparison of RSA vs elliptical keys

2020-05-13 Thread Sylvain Besençon via Gnupg-users
Le 12.05.20 à 19:27, Grzegorz Kulewski a écrit : Disclaimer: I am not a cryptographer either, let's just say I am an advisor. So, anybody, please correct me, if needed. 1. In terms of key size Curve 25519 and P-256 should have same strength: ~128 bits (== comparing with good symmetric cipher,

Re: Comparison of RSA vs elliptical keys

2020-05-13 Thread Sylvain Besençon via Gnupg-users
Le 13.05.20 à 12:18, Robert J. Hansen a écrit : "Unless you know what you're doing and why, use the defaults." I've been saying that for twenty years now. I keep thinking that someday someone will actually take it seriously... Thanks for the demonstration! At least, I will now know what I a

Re: Comparison of RSA vs elliptical keys

2020-05-13 Thread Sylvain Besençon via Gnupg-users
Le 13.05.20 à 11:54, Damien Goutte-Gattat a écrit : On Wed, May 13, 2020 at 10:02:14AM +0200, Sylvain Besençon via Gnupg-users wrote: RJH's answer sounds like a good piece of advice, but still, at the end, we HAVE to to choose which algorithm to use when creating new key pairs. No you