samplesshd-tty was build with newest git version (fcf8af20f81f196cff69a32d7a38a0e193e07d54). it works well with most populary SSH client such as openSSH client, Putty, SecureCRT, Xshell, etc.
howerver, it will be key-exchange failed when connecting with SSHSecureShellClient-3.2.9. Is there any compatibility problem known of LIBSSH? the newest version of SSHSecureShellClient can be download from http://www.ssh.com/index.php/evaluation-downloads.html and you can just google SSHSecureShellClient-3.2.9 to download the version.