(JavaScript) SSH Authentication using an SSH Certificate

See more SSH Examples

Note: This example requires Chilkat v11.0.0 or greater.

For more information, see https://www.chilkatsoft.com/understanding_ssh_certificates.asp

Note

This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.

var success = false;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

var sbSshCert = new CkStringBuilder();
success = sbSshCert.LoadFile("qa_data/sshCert/user_ecdsa_key-cert.pub","utf-8");
if (success == false) {
    console.log("Failed to load user_ecdsa_key-cert.pub");
    return;
}

var sbPrivKey = new CkStringBuilder();
success = sbPrivKey.LoadFile("qa_data/sshKeys/user_ecdsa_key","utf-8");
if (success == false) {
    console.log("Failed to load user_ecdsa_key");
    return;
}

var key = new CkSshKey();
// Provide the password if the user_ecdsa_key is stored in an encrypted format.
key.Password = "secret";
success = key.FromOpenSshPrivateKey(sbPrivKey.GetAsString());
if (success == false) {
    console.log(key.LastErrorText);
    return;
}

// Indicate that the SSH certificate is to be used for authentication.
// The UseSshCertificate method was added in Chilkat v11.0.0
key.UseSshCertificate(sbSshCert.GetAsString());

var ssh = new CkSsh();

var hostname = "ssh.example.com";
var port = 22;
success = ssh.Connect(hostname,port);
if (success !== true) {
    console.log(ssh.LastErrorText);
    return;
}

success = ssh.AuthenticatePk("myLogin",key);
if (success !== true) {
    console.log(ssh.LastErrorText);
    return;
}

console.log("Public-Key Authentication using an SSH Certificate was Successful!");