(Swift 2) Windows Credentials Manager / Apple Keychain - Get a Binary Secret

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On Windows, fetches the content of a binary secret from the Windows Credentials Manager.

On MacOS or iOS, fetches from the Apple Keychain.

Note: This example requires Chilkat v10.1.0 or later.

For more information, see https://cknotes.com/chilkat-secrets-class-added-in-version-10-1-0/

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

    let secrets = CkoSecrets()

    // On Windows, this is the Windows Credentials Manager
    // On MacOS/iOS, it is the Apple Keychain
    secrets.Location = "local_manager"

    // Specify the secret to be fetched.
    let json = CkoJsonObject()
    json.UpdateString("appName", value: "Test2")
    json.UpdateString("service", value: "Custom")
    json.UpdateString("domain", value: "Ocean")
    json.UpdateString("username", value: "Starfish")

    // Get the binary secret data.
    let bd = CkoBinData()
    var success: Bool = secrets.GetSecretBd(json, bd: bd)
    if success == false {
        print("\(secrets.LastErrorText)")
        return
    }

    // For our testing, the binary secret was a JPG image..
    bd.WriteFile("c:/temp/qa_output/starfish.jpg")

    print("Success.")

}