diff mbox series

[v2,3/4] OpenSSH: Add alias name for sntrup761x25519-sha512 key exchange

Message ID 20240921153000.706916-3-peter.mueller@ipfire.org
State Staged
Commit 9e4af5616a405ba752eea9f6fbf2cf6618ef1c6b
Headers
Series [v2,1/4] OpenSSH :Update to 9.9p1 |

Commit Message

Peter Müller Sept. 21, 2024, 3:29 p.m. UTC 
  This makes sure OpenSSH connections make use of this post-quantum
key exchange whenever possible, even if one peer still running
OpenSSH 9.8 or older.

Signed-off-by: Peter Müller <peter.mueller@ipfire.org>
---
 config/ssh/ssh_config  | 2 +-
 config/ssh/sshd_config | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/config/ssh/ssh_config b/config/ssh/ssh_config
index 5a9ad85c5..86f123e28 100644
--- a/config/ssh/ssh_config
+++ b/config/ssh/ssh_config
@@ -9,7 +9,7 @@  Host *
         UseRoaming no
 
         # Only use secure crypto algorithms
-        KexAlgorithms sntrup761x25519-sha512,mlkem768x25519-sha256,curve25519-sha256,curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256
+        KexAlgorithms sntrup761x25519-sha512,sntrup761x25519-sha512@openssh.com,mlkem768x25519-sha256,curve25519-sha256,curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256
         Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
         MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,umac-128@openssh.com
 
diff --git a/config/ssh/sshd_config b/config/ssh/sshd_config
index 9229b6518..421416705 100644
--- a/config/ssh/sshd_config
+++ b/config/ssh/sshd_config
@@ -20,7 +20,7 @@  LoginGraceTime 30s
 MaxStartups 5
 
 # Only allow safe crypto algorithms
-KexAlgorithms sntrup761x25519-sha512,mlkem768x25519-sha256,curve25519-sha256,curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256
+KexAlgorithms sntrup761x25519-sha512,sntrup761x25519-sha512@openssh.com,mlkem768x25519-sha256,curve25519-sha256,curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256
 Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
 MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,umac-128@openssh.com