(Swift 2) PC/SC Get Card UID

See more SCard Examples

Sends the APDU command to get a card's UID.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

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

    let scard = CkoSCard()

    // First establish a context to the PC/SC Resource Manager
    var success: Bool = scard.EstablishContext("user")
    if success == false {
        print("\(scard.LastErrorText)")
        return
    }

    // Use your own smart card reader name here.
    success = scard.Connect("ACS ACR122 0", shareMode: "shared", preferredProtocol: "no_preference")
    if success == false {
        print("\(scard.LastErrorText)")
        return
    }

    print("Connected reader: \(scard.ConnectedReader)")
    print("Active protocol: \(scard.ActiveProtocol)")
    print("ATR: \(scard.CardAtr)")
    print("Reader Status: \(scard.ReaderStatus)")

    //  Send the APDU command 0xFF, 0xCA, 0x00, 0x00, 0x00
    let bdRecv = CkoBinData()
    success = scard.TransmitHex(scard.ActiveProtocol, apduHex: "FFCA000000", bdRecv: bdRecv, maxRecvLen: 32)
    if success == true {

        print("Received: \(bdRecv.GetEncoded("hex"))")

        // The UID is the returned data without the final 2 bytes.
        var numBytes: Int = bdRecv.NumBytes.intValue
        if numBytes > 2 {
            print("UID: \(bdRecv.GetEncodedChunk(0, numBytes: numBytes - 2, encoding: "hex"))")
        }

    }
    else {
        print("\(scard.LastErrorText)")
    }

    // Disconnect from this reader.
    success = scard.Disconnect("leave")
    if success == false {
        print("\(scard.LastErrorText)")
    }

    // Applications should always release the context when finished.
    success = scard.ReleaseContext()
    if success == false {
        print("\(scard.LastErrorText)")
    }


}