CalculateChallengeResponse Class

Namespace: Yubico.YubiKey.Otp.Operations Assembly: Yubico.YubiKey.dll

Operation class for sending an HMAC-SHA1, TOTP, or Yubico OTP challenge to an OTP application slot on a YubiKey and receiving its response.

C#

public class CalculateChallengeResponse : OperationBase<CalculateChallengeResponse>

Inheritance object OperationBase<CalculateChallengeResponse> CalculateChallengeResponse

Fields

Name	Description
MaxHmacChallengeSize	Maximum length in bytes for an HMAC challenge.
MaxOtpDigits	Maximum digits for an OTP (one-time password).
MinOtpDigits	Minimum digits for an OTP (one-time password).
YubicoOtpChallengeSize	Size in bytes for a Yubico OTP challenge.

Methods

Name	Description
ExecuteOperation()	Execute the operation here.
GetCode(int)	Get the OTP code as a string representation of numeric digits.
GetDataBytes()	Get the raw bytes for the OTP (one-time password).
GetDataInt()	Get the OTP (one-time password) as an int.
PreLaunchOperation()	Validate all settings and choices here.
UseChallenge(byte[])	Accepts the challenge phrase as a byte array.
UseTotp()	Instructs the operation to use TOTP instead of a byte array for the challenge.
UseTouchNotifier(Action)	Set an System.Action delegate to notify users to touch the YubiKey button.
UseYubiOtp(bool)	Sets the operation to use the Yubico OTP or HMAC-SHA1 algorithm to calculate the response.
WithPeriod(int)	Sets the time period in seconds that a TOTP challenge is good for.