From 1489528a1fecbcd9b308d3df0fa02028bcd89595 Mon Sep 17 00:00:00 2001 From: Jacob Nevins Date: Sat, 10 Sep 2022 20:55:00 +0100 Subject: [PATCH] docs: Mention NTRU-Prime/Curve25519 kex. --- doc/config.but | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/doc/config.but b/doc/config.but index 0be4a227..1f9b5937 100644 --- a/doc/config.but +++ b/doc/config.but @@ -2347,6 +2347,13 @@ cipher selection (see \k{config-ssh-encryption}). PuTTY currently supports the following key exchange methods: +\b \q{NTRU Prime / Curve25519 hybrid}: NTRU Prime is a lattice-based +algorithm intended to resist quantum attacks. In this key exchange +method, it is run in parallel with a conventional Curve25519-based +method (one of those included in \q{ECDH}), in such a way that it +should be no \e{less} secure than that commonly-used method, and +hopefully also resistant to a new class of attacks. + \b \q{ECDH}: \i{elliptic curve} \i{Diffie-Hellman key exchange}, with a variety of standard curves and hash algorithms.