(Swift) Apple Keychain - List Certs on Smartcards and USB Tokens

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Iterates over the certificatse on connected smartcards and USB tokens via the Apple Keychain.

Note: This example requires Chilkat v10.0.0 or greater.

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func chilkatTest() {
    let certStore = CkoCertStore()!

    // On MacOS and iOS, the OpenSmartcard method opens the Keychain.
    // The argument passed to OpenSmartcard is ignored.
    var success: Bool = certStore.openSmartcard("")
    if success == false {
        print("\(certStore.lastErrorText!)")
        return
    }

    var numCerts: Int = certStore.numCertificates.intValue
    print("numCerts = \(numCerts)")

    var i: Int = 0
    while i < numCerts {
        // Note: Chilkat also gets the associated private key if it exists.
        // You can simply use the cert in other places in Chilkat where a cert w/ private key is required.
        var cert: CkoCert? = certStore.getCertificate(i)
        print("\(cert!.subjectDN!)")
        print("\(cert!.subjectCN!)")
        print("\(cert!.serialNumber!)")
        print("has private key: \(cert!.hasPrivateKey())")
        print("----")
        cert = nil
        i = i + 1
    }

    certStore.close()

}