Gentoo Archives: gentoo-user

From: allan gottlieb <gottlieb@×××.edu>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] warning (different signature type) when doing ssh
Date: Mon, 25 Jun 2018 21:41:03
Message-Id: 87zhzio87z.fsf@nyu.edu
In Reply to: Re: [gentoo-user] warning (different signature type) when doing ssh by Mick
1 On Mon, Jun 25 2018, Mick wrote:
2
3 > On Monday, 25 June 2018 10:19:07 BST Marc Joliet wrote:
4 >> Am Montag, 25. Juni 2018, 03:10:57 CEST schrieb allan gottlieb:
5 >> > I have two laptops call them A and B both running gentoo.
6 >> > I recently did on each an emerge --sync after a long absence.
7 >> >
8 >> > The large emerge --update @world's finally finished on each machine. One
9 >> > new behavior is that
10 >> >
11 >> > If I use the console to log into A and then ssh to B, I get
12 >> >
13 >> > warning: agent returned different signature type ssh-rsa (expected
14 >> > rsa-sha2-512)
15 >> >
16 >> > If I use the console to log into B and then ssh to A,
17 >> > I get the same warning.
18 >> >
19 >> > I see no ill effects.
20 >> >
21 >> > Need I take any action?
22 >> >
23 >> > thanks in advance,
24 >> > allan
25 >>
26 >> I saw the same, but it was temporary. I use gpg-agent instead of ssh-agent,
27 >> so I assumed it had to do with that, and then the warning disappeared after
28 >> upgrading gnupg, but perhaps that was just a coincidence?
29 >
30 > This warning message is generated when you are using gpg-agent as ssh-agent
31 > and there is a mismatch on the ciphers between the two - i.e. when gpg-agent
32 > can't/won't use the ciphers expected by sshd.
33 >
34 > Do you get the same warning when you exclude the agent from the equation?
35 >
36 > ssh -a -i $HOME/.ssh/Your_SSH_Key user@host
37
38 Yes, thanks.
39 allan
40
41 gottlieb@E7450 /local/allan/gottlieb $ ssh -a -i $HOME/.ssh/id_rsa E6430
42 warning: agent returned different signature type ssh-rsa (expected rsa-sha2-512)
43 You have new mail in folder /var/mail/gottlieb.

Replies

Subject Author
Re: [gentoo-user] warning (different signature type) when doing ssh Mick <michaelkintzios@×××××.com>