Table of Contents

Class GetBioModalityCommand

Namespace
Yubico.YubiKey.Fido2.Commands
Assembly
Yubico.YubiKey.dll

Gets the modality of the BioEnrollment. This is a subcommand of the CTAP command "authenticatorBioEnrollment".

public sealed class GetBioModalityCommand : IYubiKeyCommand<GetBioModalityResponse>
Inheritance
object
GetBioModalityCommand
Implements

Remarks

The partner Response class is GetBioModalityResponse.

The modality describes what the Bio authentication (biometric) is. Currently, the only modality listed in the FIDO2 standard is fingerprint.

Constructors

GetBioModalityCommand()

Constructs an instance of the GetBioModalityCommand class.

public GetBioModalityCommand()

Properties

Application

Gets the YubiKeyApplication (e.g. PIV, OATH, etc.) to which this command applies.

public YubiKeyApplication Application { get; }

Property Value

YubiKeyApplication

YubiKeyApplication.Otp, YubiKeyApplication.Piv, etc.

Methods

CreateCommandApdu()

Creates a well-formed CommandApdu to send to the YubiKey.

public CommandApdu CreateCommandApdu()

Returns

CommandApdu

A valid CommandApdu that is ready to be sent to the YubiKey, or passed along to additional encoders for further processing.

Remarks

This method will first perform validation on all of the parameters and data provided to it. The CommandAPDU it creates should contain all of the data payload for the command, even if it exceeds 65,535 bytes as specified by the ISO 7816-4 specification. The APDU will be properly chained by the device connection prior to being sent to the YubiKey, and the responses will collapsed into a single result.

CreateResponseForApdu(ResponseApdu)

Creates the corresponding IYubiKeyResponse implementation for the current command.

public GetBioModalityResponse CreateResponseForApdu(ResponseApdu responseApdu)

Parameters

responseApdu ResponseApdu

The ResponseApdu returned by the YubiKey.

Returns

GetBioModalityResponse

The implementation of IYubiKeyResponse that parses and presents ths response APDU.