(Mono C#) 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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// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Chilkat.Secrets secrets = new Chilkat.Secrets();

// 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.
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("appName","Test2");
json.UpdateString("service","Custom");
json.UpdateString("domain","Ocean");
json.UpdateString("username","Starfish");

// Get the binary secret data.
Chilkat.BinData bd = new Chilkat.BinData();
bool success = secrets.GetSecretBd(json,bd);
if (success == false) {
    Debug.WriteLine(secrets.LastErrorText);
    return;
}

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

Debug.WriteLine("Success.");