Class GetLargeBlobCommand

Namespace

Yubico.YubiKey.Fido2.Commands

Assembly

Yubico.YubiKey.dll

Gets the large blob out of the YubiKey.

public sealed class GetLargeBlobCommand : IYubiKeyCommand<GetLargeBlobResponse>

Inheritance

object

GetLargeBlobCommand

Implements

IYubiKeyCommand<GetLargeBlobResponse>

Remarks

The partner Response class is GetLargeBlobResponse. Specified in CTAP as "authenticatorLargeBlobs".

The standard specifies one command called "authenticatorLargeBlobs". It takes input that specifies whether to get or set. The SDK breaks this into two commands.

Constructors

GetLargeBlobCommand(int, int)

Constructs an instance of the GetLargeBlobCommand class.

public GetLargeBlobCommand(int offset, int count)

Parameters

offset int

The offset into the stored large blob where the returned data should begin.

count int

The number of bytes to return.

Properties

Application

Gets the YubiKeyApplication to which this command belongs.

public YubiKeyApplication Application { get; }

Property Value

YubiKeyApplication

YubiKeyApplication.Fido2

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 GetLargeBlobResponse CreateResponseForApdu(ResponseApdu responseApdu)

Parameters

responseApdu ResponseApdu

The ResponseApdu returned by the YubiKey.

Returns

GetLargeBlobResponse

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