(Node.js) ScMinidriver - Load Certificate from Smart Card or USB Token by Index

See more ScMinidriver Examples

Demonstrates how to load a certificate located on a smart card or USB token by key container index.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.
    var scmd = new chilkat.ScMinidriver();

    // Reader names (smart card readers or USB tokens) can be discovered
    // via List Readers or Find Smart Cards
    var readerName = "SCM Microsystems Inc. SCR33x USB Smart Card Reader 0";
    var success = scmd.AcquireContext(readerName);
    if (success == false) {
        console.log(scmd.LastErrorText);
        return;
    }

    // If successful, the name of the currently inserted smart card is available:
    console.log("Card name: " + scmd.CardName);

    // If desired, perform regular PIN authentication with the smartcard.
    // For more details about smart card PIN authentication, see the Smart Card PIN Authentication Example
    var retval = scmd.PinAuthenticate("user","000000");
    if (retval !== 0) {
        console.log("PIN Authentication failed.");
    }

    var cert = new chilkat.Cert();
    // We can pass a specific key container index, or -1 to locate the 1st non-empty container containing a certificate and private key.
    var keyContainerIndex = -1;
    // keySpec can be "kex" or "sig" to indicate the key-exchange or signature position within the container.
    // keySpec can also be "any" to accept either position, with preference given to the "sig" position if both are occupied.
    var keySpec = "any";
    success = scmd.GetCert(keyContainerIndex,keySpec,cert);
    if (success == false) {
        console.log("Failed to load the certificate.");
    }
    else {
        console.log("Successfully loaded the cert object from the smart card / USB token.");

        // Note: When successful, the cert object is internally linked to the ScMinidriver 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.
        // If your application calls PinDeauthenticate or DeleteContext, the cert will no longer be able to sign on the smart card
        // because the smart card ScMinidriver session will no longer be authenticated or deleted.
    }

    // ...
    // ...
    // ...

    // When finished with operations that required authentication, you may if you wish, deauthenticate the session.
    success = scmd.PinDeauthenticate("user");
    if (success == false) {
        console.log(scmd.LastErrorText);
    }

    // Delete the context when finished with the card.
    success = scmd.DeleteContext();
    if (success == false) {
        console.log(scmd.LastErrorText);
    }


}

chilkatExample();