Authenticate an SSH Tunnel with a Private Key

See more Socket/SSL/TLS Examples

Demonstrates Socket.SshAuthenticatePk, which authenticates an SSH tunnel session using a private key loaded into an SshKey object. Call SshOpenTunnel first.

The file path is relative to the application's current working directory. An absolute path may also be used. Supply the path appropriate to your own environment.

require 'chilkat'

success = false

socket = Chilkat::CkSocket.new()

success = socket.SshOpenTunnel("ssh.example.com",22)
if (success == false)
    print socket.lastErrorText() + "\n";
    exit
end

#  Load the SSH private key.  The file path is relative to the application's current working
#  directory.  If the key is encrypted, set the SshKey.Password property before calling
#  FromOpenSshPrivateKey.
sshKey = Chilkat::CkSshKey.new()
keyText = sshKey.loadText("qa_data/id_ed25519")
if (sshKey.get_LastMethodSuccess() == false)
    print sshKey.lastErrorText() + "\n";
    exit
end

success = sshKey.FromOpenSshPrivateKey(keyText)
if (success == false)
    print sshKey.lastErrorText() + "\n";
    exit
end

#  Authenticate the SSH tunnel session using public-key authentication.  The SSH server must have the
#  corresponding public key authorized for the account.
success = socket.SshAuthenticatePk("sshUser",sshKey)
if (success == false)
    print socket.lastErrorText() + "\n";
    exit
end

print "SSH public-key authentication succeeded." + "\n";