(.NET Core C#) Apple Keychain - Import ECDSA Private Key

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Imports an ECDSA private key to the Apple Keychain.

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

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string pemPath = "/Users/chilkat/qa_data/ecc/prime256v1-privKey.pem";
// Provide a password if your PEM is encrypted. Otherwise pass the empty string.
string pemPassword = "";

Chilkat.PrivateKey privKey = new Chilkat.PrivateKey();
bool success = privKey.LoadAnyFormatFile(pemPath,pemPassword);
if (success == false) {
    Debug.WriteLine(privKey.LastErrorText);
    return;
}

// In Apple Keychain, the label for an item such as a private key is a user-friendly identifier that helps distinguish one item from
// another in the Keychain. It is typically a brief name or description associated with the item. 
// The label is displayed in the Keychain Access application and is useful for quickly identifying the purpose
// or source of a specific key, certificate, or password entry.

// The label does not affect the functionality or security of the item; it is purely for organizational purposes. 
// You can edit or assign labels to make your Keychain easier to navigate.

// On MacOS, you can save the private key to the Keychain by calling SavePkcs8File with a "filename" in the format"keychain:<label>"
success = privKey.SavePkcs8File("keychain:MyEcdsaKey123");
if (success == false) {
    Debug.WriteLine(privKey.LastErrorText);
    return;
}

Debug.WriteLine("Success.");

// Here you can see:
// 
//