GetAssertionData Class

Namespace: Yubico.YubiKey.Fido2 Assembly: Yubico.YubiKey.dll

Contains the data returned by the YubiKey after getting an assertion.

C#

public class GetAssertionData

Inheritance object GetAssertionData

Remarks

When an assertion is obtained, the YubiKey returns data about that assertion, including the credential. There are several elements in this data and this structure contains those elements.

Constructors

Name	Description
GetAssertionData(ReadOnlyMemory<byte>)	Build a new instance of GetAssertionData based on the given CBOR encoding.

Properties

Name	Description
AuthenticatorData	The object that contains both the encoded authenticator data, which is to be used in verifying the attestation statement, and the decoded elements, including the credential itself, a public key.
CredentialId	The credential ID for the assertion just obtained.
LargeBlobKey	The large blob key, if there is one. This is optional and can be null.
NumberOfCredentials	The total number of credentials found on the YubiKey for the relying party. This is optional and can be null. If null, then there is only one credential.
Signature	The assertion signature, which can be used to verify the assertion the call to GetAssertion returned.
User	The user's ID, along with optional descriptive strings. This is an optional element and can be null.
UserSelected	If true, the credential was selected by the user via interaction directly with the authenticator. This is optional and can be null. If null, then this is considered false.

Methods

Name	Description
Dispose()	Releases any unmanaged resources and overwrites any sensitive data.
Dispose(bool)	Releases any unmanaged resources and overwrites any sensitive data.
VerifyAssertion(CoseKey, ReadOnlyMemory<byte>)	Use the given public key to verify the Signature. This method will use the clientDataHash and the AuthenticatorData as the data to verify.