described at:
http://git.libssh.org/users/aris/libssh.git/plain/doc/curve25519-sha256@libssh.org.txt?h=curve25519
+This is identical to curve25519-sha256 as later published in RFC8731.
+
2. Connection protocol changes
2.1. connection: Channel write close extension "eow@openssh.com"
OpenSSH extends the usual agent protocol. These changes are documented
in the PROTOCOL.agent file.
-$OpenBSD: PROTOCOL,v 1.44 2022/03/31 03:05:49 djm Exp $
+$OpenBSD: PROTOCOL,v 1.45 2022/04/08 05:43:39 dtucker Exp $