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Node.js

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

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

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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.
    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";
    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();