#!/usr/bin/env swift

// https://www.andyibanez.com/posts/cryptokit-secure-enclave/
// import Swift
import Foundation 
// import Security 
import CryptoKit 

let se = SecureEnclave.isAvailable;
print("Supports SE: \(se)");

var error: Unmanaged<CFError>? = nil;
guard
let accessCtrl = SecAccessControlCreateWithFlags(
    nil,
    kSecAttrAccessibleWhenUnlockedThisDeviceOnly,
    [.privateKeyUsage, .biometryCurrentSet],
    &error
) else {
        throw error!.takeRetainedValue() as Swift.Error;
}

var privateKeyReference = try CryptoKit.SecureEnclave.P256.KeyAgreement.PrivateKey.init(
    accessControl: accessCtrl
);

print("Private key reference: \(privateKeyReference)");
print("Private key reference - publicKey: \(privateKeyReference.publicKey)");
print("Private key reference - dataRepresentation: \(privateKeyReference.dataRepresentation)");