[Nix-dev] Why did my SSH host keys change?

2015-08-04 Thread James Cook
Over the past couple of weeks I updated two of my NixOS computers on the unstable branch. In each case, the SSH ED25519 key fingerprint changed, prompting the message below when I tried to ssh in from other computers. Any idea what could have caused this? (I verified manually that I'm probably

Re: [Nix-dev] Why did my SSH host keys change?

2015-08-04 Thread Vladimír Čunát
On 08/04/2015 08:32 PM, James Cook wrote: Over the past couple of weeks I updated two of my NixOS computers on the unstable branch. Such things can happen on *unstable* branches. https://github.com/NixOS/nixpkgs/commit/a5b83c357319 Vladimir smime.p7s Description: S/MIME Cryptographic

Re: [Nix-dev] Why did my SSH host keys change?

2015-08-04 Thread Alexander Zubkov
It does not change. But different key type is selected when connecting to the server. In this case ssh client shows that it is different key. You can see that ED25519 key is selected, but in your known_hosts there is ECDSA key saved. On 08/04/2015 09:32 PM, James Cook wrote: Over the past

Re: [Nix-dev] Why did my SSH host keys change?

2015-08-04 Thread James Cook
Thanks. I didn't realize until now that the continued existence of /etc/ssh/ssh_host_ecdsa_key* isn't enough to keep ECDSA enabled, but in hindsight it makes sense. James On 4 August 2015 at 11:59, Vladimír Čunát vcu...@gmail.com wrote: On 08/04/2015 08:32 PM, James Cook wrote: Over the past