WebAuthn

Wisej.Ext.WebAuthn.WebAuthn

Namespace: Wisej.Ext.WebAuthn

Assembly: Wisej.Ext.WebAuthn (3.2.0.0)

Provides methods for creating and retrieving credentials from the client following the Web Authorization API standards.

C#

public class WebAuthn

VB.NET

Public Class WebAuthn

Methods

CreateAsync(challenge, rp, user, publicKeyCredentialParameters, authenticatorSelection, timeout, attestation)

Creates new credentials for the client.

Parameter	Type	Description
challenge	String	Random string for validating the request.
rp	RelyingParty	Relaying Party (rp), the organization responsible for registering and authenticating the user.
user	PublicKeyCredentialUserEntity	Information about the user currently registering.
publicKeyCredentialParameters	PublicKeyCredentialParameters[]	Array describing what public key types are acceptable to the server.
authenticatorSelection	AuthenticatorSelectionCriteria	"platform" (Windows Hello) vs "cross-platform" (Yubikey) required.
timeout	Int32	The time in milliseconds that the user has to respond to a prompt for registration.
attestation	AttestationConveyancePreference	allows servers to indicate how important the attestation data is to this registration event.

Returns: Task<CredentialsResponse>. The client's credentials.

GetAsync(challenge, allowCredentials, timeout)

Gets the requested credentials from the client.

Parameter	Type	Description
challenge	String	Random string for validating the request.
allowCredentials	PublicKeyCredentialDescriptor	Which credential the server would like the user to authenticate with.
timeout	Int32	The time in milliseconds that the user has to respond to a prompt for registration.

Returns: Task<CredentialsResponse>.

IsUserVerifyingPlatformAuthenticatorAvailableAsync()

Checks whether the client device has a user-verifying platform authenticator available for use.

Returns: Task<Boolean>. True if the device has a user-verifying platform authenticator.

Validate(publicKey, authenticatorDataBase64, clientDataBase64, signature)

Validates the given attestation against the provided public key.

Parameter	Type	Description
publicKey	PublicKey	The public key generated during registration.
authenticatorDataBase64	String	"platform" (Windows Hello) vs "cross-platform" (Yubikey) required.
clientDataBase64	String	Client data base64 encoded.
signature	Byte[]	Authentication signature.

Returns: Boolean. The success of the validation.

Throws:

• Exception