x11-ssh-askpass(1x) on Linux

The text 120f66718509, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.

an X11-based pass-phrase dialog for use with OpenSSH