[Bug 1959488] Re: Error loading key ".../id_ed25519.pub": error in libcrypto

[Paride Legovini]

Hello Thomas and thanks for your bug report. I have no problems adding
ed25519 keys to ssh-agent on a Jammy system. Could you please try the
following steps, which may help identifying where the problem is?
Thanks!

$ mkdir /tmp/ed25519test
$ cd /tmp/ed25519test

$ echo $SSH_AUTH_SOCK
/run/user/1000/openssh_agent

$ ssh-keygen -t ed25519 -C foobar -P '' -f ./test
Generating public/private ed25519 key pair.
Your identification has been saved in ./test
Your public key has been saved in ./test.pub
The key fingerprint is:
SHA256:EFUY6Ke0diCIoFQjCvhiUBzondDLMidZN4/bzkt1X6I foobar
The key's randomart image is: [...]

$ cat test.pub
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEqKBt+j+61A9GtPaA9RLEEHxBQpAgvUSkjpqlRpVXOh foobar

$ ssh-add ./test
Identity added: ./test (foobar)

$ ssh-add -L | grep foobar
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEqKBt+j+61A9GtPaA9RLEEHxBQpAgvUSkjpqlRpVXOh foobar


** Changed in: openssh (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1959488

Title:
  Error loading key ".../id_ed25519.pub": error in libcrypto

Status in openssh package in Ubuntu:
  Incomplete

Bug description:
  I can't add my ED25519 ssh-key to my ssh-agent. I am getting this
  error message:

  user at pc:~$ ssh-add ~/.ssh/id_ed25519.pub
  Error loading key "/home/user/.ssh/id_ed25519.pub": error in libcrypto

  I have setup key agent for KDE like this:

  user at pc:~$ cat ~/.config/plasma-workspace/env/ssh-agent.sh
  #!/bin/bash

  [ -n "$SSH\_AGENT\_PID" ] || eval "$(ssh-agent -s)"

  user at pc:~$ cat ~/.config/plasma-workspace/env/ssh-askpass.sh
  #!/bin/bash

  [ -n "$SSH\_ASKPASS" ] || export SSH\_ASKPASS=/usr/bin/ksshaskpass

  user at pcc:~$ cat ~/.config/plasma-workspace/shutdown/ssh-agent-shutdown.sh 
  #!/bin/bash

  [ -z "$SSH\_AGENT\_PID" ] || eval "$(ssh-agent -k)"

  
  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: openssh-client 1:8.7p1-4
  Uname: Linux 5.15.0-051500-generic x86_64
  ApportVersion: 2.20.11-0ubuntu76
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: KDE
  Date: Sat Jan 29 16:43:55 2022
  InstallationDate: Installed on 2022-01-21 (7 days ago)
  InstallationMedia: Kubuntu 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20220121)
  RebootRequiredPkgs: Error: path contained symlinks.
  RelatedPackageVersions:
   ssh-askpass       N/A
   libpam-ssh        N/A
   keychain          N/A
   ssh-askpass-gnome N/A
  SSHClientVersion: OpenSSH_8.7p1 Ubuntu-4, OpenSSL 3.0.1 14 Dec 2021
  SourcePackage: openssh
  UpgradeStatus: No upgrade log present (probably fresh install)

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