Tap2iD SDK — Windows API Reference

https://nexus.credenceid.com/repository/tap2id-sdk-nuget/

/// Initializes the SDK with the provided configuration.
public void InitSdk(
    CoreSdkConfig        coreSdkConfig,
    InitSdkResultListener sdkInitlistener
);

var config   = new CoreSdkConfig { ApiKey = "YOUR_API_KEY_HERE" };
var listener = new InitSdkResultListener
{
    OnInitializationSuccess = result  => Console.WriteLine("SDK ready"),
    OnInitializationFailure = (e, msg) => Console.WriteLine($"Failed: {e} — {msg}")
};
sdk.InitSdk(config, listener);

public Task<Tap2iDResult> VerifyMdocAsync(
    MdocConfig         mdocConfig,
    DelegateVerifyState State
);

var config = new MdocConfig
{
    DeviceEngagementString           = qrCodeData,
    EngagementMode                   = DeviceEngagementMode.QrCode,
    BleConnectionTimeout             = 15,
    BleConsentAndDataTransferTimeout = 45
};
Tap2iDResult result = await sdk.VerifyMdocAsync(config, new DelegateVerifyState
{
    OnVerifyState = state => Console.WriteLine($"→ {state}")
});

foreach (var doc  in result.Documents)
foreach (var ns   in doc.Namespaces)
foreach (var item in ns.Items)
{
    if (item.Key == "portrait" && item.Value is byte[] img)
        { /* render as ImageSource */ continue; }

    Console.WriteLine($"{item.Key}: {item.Value}");
}

var auth = doc.Authentication;
bool isTrusted    = auth.TrustAttributes.IsIssuerTrusted;
bool deviceSigned = auth.SecurityChecks.IsDeviceSignedValid;
bool issuerSigned = auth.SecurityChecks.IsIssuerSignedValid;
bool digestsValid = auth.SecurityChecks.AreDigestsValid;
var  msoStatus    = auth.MsoValidity.Status; // Valid | NotYetValid | Expired

foreach (var err in auth.ValidationErrors)
    Console.WriteLine($"Error: {err.Message}");