The same symptoms seem to still be present in 14.04.1 LTS at least for ed25519 keys. RSA keys seem to work ok.
$ lsb_release -rd Description: Ubuntu 14.04.1 LTS Release: 14.04 $ apt-cache policy gnome-keyring gnome-keyring: Installed: 3.10.1-1ubuntu4.1 Candidate: 3.10.1-1ubuntu4.1 Version table: *** 3.10.1-1ubuntu4.1 0 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-keyring in Ubuntu. https://bugs.launchpad.net/bugs/1067301 Title: ssh-add: Error reading response length from authentication socket. Status in GNOME keyring services: Confirmed Status in “gnome-keyring” package in Ubuntu: Confirmed Bug description: ssh-add seems not to work with the confirmation (-c) option. Trying to require that identities be subject to confirmation when used brings up the error "Error reading response length from authentication socket. " $ ssh-add -c /home/user/.ssh/key_rsa Enter passphrase for /home/user/.ssh/key_rsa: Error reading response length from authentication socket. Could not add identity: /home/user/.ssh/key_rsa Addding keys not subject to confirmation when used works as normal: $ ssh-add /home/user/.ssh/key_rsa Enter passphrase for /home/user/.ssh/key_rsa: Identity added: /home/user/.ssh/key_rsa (/home/user/.ssh/key_rsa) ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: openssh-client 1:6.0p1-3ubuntu1 ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5 Uname: Linux 3.5.0-17-generic x86_64 ApportVersion: 2.6.1-0ubuntu3 Architecture: amd64 Date: Tue Oct 16 13:55:08 2012 InstallationMedia: Lubuntu 12.10 "Quantal Quetzal" - Release amd64+mac (20121015) ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash RelatedPackageVersions: ssh-askpass N/A libpam-ssh N/A keychain N/A ssh-askpass-gnome N/A SSHClientVersion: OpenSSH_6.0p1 Debian-3ubuntu1, OpenSSL 1.0.1c 10 May 2012 SourcePackage: openssh UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-keyring/+bug/1067301/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
