Node.js

(PKCS11) Use a Smart Card Certificate + Private Key for SSL/TLS Authentication

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Demonstrates how to use a certificate + private key located on a smart card for the TLS client certificate in an HTTPS request. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    //  Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

    var pkcs11 = new chilkat.Pkcs11();

    //  Set your shared lib path -- either a full path to the DLL, .so, or .dylib,
    //  or just the filename if the driver is in a location that can be automatically found. (Such as in C:\Windows\System32)
    pkcs11.SharedLibPath = "C:/Program Files (x86)/Gemalto/IDGo 800 PKCS#11/IDPrimePKCS1164.dll";

    success = pkcs11.Initialize();
    if (success == false) {
        console.log(pkcs11.LastErrorText);
        return;
    }

    //  Pass -1 for the slotID to open a session on the first non-empty slot.
    var slotID = -1;

    //  Open a session.
    var readWrite = true;
    success = pkcs11.OpenSession(slotID,readWrite);
    if (success == false) {
        console.log(pkcs11.LastErrorText);
        return;
    }

    //  Make it an authenticated session by calling Login.
    //  
    //  If we don't authenticate, then we won't be able to see the private keys, and thus
    //  we won't know which certificates have an associated private key stored on the smart card.

    //  The smart card PIN is passed to the Login method.
    //  userType 1 indicates a "Normal User".
    var userType = 1;
    var pin = "0000";
    success = pkcs11.Login(userType,pin);
    if (success == false) {
        console.log(pkcs11.LastErrorText);
        success = pkcs11.CloseSession();
        return;
    }

    var cert = new chilkat.Cert();

    //  Find a certificate by the Subject Common Name
    success = pkcs11.FindCert("subjectCN","BadSSL Client Certificate",cert);
    if (success == true) {
        console.log("Found: " + cert.SubjectCN);
    }
    else {
        console.log("Not found: " + cert.SubjectCN);
        success = pkcs11.CloseSession();
        return;
    }

    console.log("Successfully loaded the cert object from the smart card / USB token.");

    //  Note: When successful, the cert object is internally linked to the Pkcs11 object's authenticated session.
    //  The cert object can now be used to sign or do other cryptographic operations that occur on the smart card / USB token.

    //  ------------------------------------------------------------------------------------------------------------

    //  Send an HTTPS request to https://client.badssl.com
    //  https://client.badssl.com (part of the badssl.com service) lets you test authentication using client SSL certificates. 
    //  The client certificate can be downloaded from https://badssl.com/download/.
    //  This server returns 200 OK if the correct client certificate is provided, and 400 Bad Request otherwise.

    var http = new chilkat.Http();

    //  Provide the client certificate (linked internally to our authenticated smartcard session)
    success = http.SetSslClientCert(cert);
    if (success == false) {
        console.log(http.LastErrorText);
        success = pkcs11.CloseSession();
        return;
    }

    var responseBody = http.QuickGetStr("https://client.badssl.com/");
    if (http.LastMethodSuccess == false) {
        console.log(http.LastErrorText);
        success = pkcs11.CloseSession();
        return;
    }

    console.log("Response status code: " + http.LastStatus);
    console.log("Response body: ");
    console.log(responseBody);

    //  ------------------------------------------------------------------------------------------------------------
    //  Revert to an unauthenticated session by calling Logout.
    success = pkcs11.Logout();
    if (success == false) {
        console.log(pkcs11.LastErrorText);
        success = pkcs11.CloseSession();
        return;
    }

    //  When finished, close the session.
    //  It is important to close the session (memory leaks will occur if the session is not properly closed).
    success = pkcs11.CloseSession();
    if (success == false) {
        console.log(pkcs11.LastErrorText);
        return;
    }

    console.log("Success.");

}

chilkatExample();