(JavaScript) ScMinidriver - Load Certificate from Smart Card or USB Token by Index

See more ScMinidriver Examples

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

// 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";
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 CkCert();
// 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);
}