WEBAUTHN_ASSERTION structure (webauthn.h)

Contains the data returned by the authenticator to verify an assertion.

Syntax

typedef struct _WEBAUTHN_ASSERTION {
 DWORD dwVersion;
 DWORD cbAuthenticatorData;
 PBYTE pbAuthenticatorData;
 DWORD cbSignature;
 PBYTE pbSignature;
 WEBAUTHN_CREDENTIAL Credential;
 DWORD cbUserId;
 PBYTE pbUserId;
 WEBAUTHN_EXTENSIONS Extensions;
 DWORD cbCredLargeBlob;
 PBYTE pbCredLargeBlob;
 DWORD dwCredLargeBlobStatus;
 PWEBAUTHN_HMAC_SECRET_SALT pHmacSecret;
 DWORD dwUsedTransport;
 DWORD cbUnsignedExtensionOutputs;
 PBYTE pbUnsignedExtensionOutputs;
 DWORD cbClientDataJSON;
 PBYTE pbClientDataJSON;
 DWORD cbAuthenticationResponseJSON;
 PBYTE pbAuthenticationResponseJSON;
} WEBAUTHN_ASSERTION, *PWEBAUTHN_ASSERTION;

Members

dwVersion

The version of this structure.

cbAuthenticatorData

The size, in bytes, of the authenticator data pointed to by pbAuthenticatorData.

pbAuthenticatorData

A pointer to the authenticator data.

cbSignature

The size, in bytes, of the signature pointed to by pbSignature.

pbSignature

A pointer to the signature generated for this assertion.

Credential

A WEBAUTHN_CREDENTIAL that identifies the credential used for this assertion.

cbUserId

The size, in bytes, of the user ID pointed to by pbUserId.

pbUserId

A pointer to the user handle returned by the authenticator.

Extensions

A WEBAUTHN_EXTENSIONS structure that contains the authenticator extension outputs, if any.

cbCredLargeBlob

The size, in bytes, of pbCredLargeBlob.

pbCredLargeBlob

A pointer to the large blob data associated with the credential.

dwCredLargeBlobStatus

A DWORD value that indicates the status of the large blob operation. See the WEBAUTHN_CRED_LARGE_BLOB_STATUS_* status constants.

pHmacSecret

A pointer to a WEBAUTHN_HMAC_SECRET_SALT structure that contains the HMAC secret output.

dwUsedTransport

cbUnsignedExtensionOutputs

pbUnsignedExtensionOutputs

cbClientDataJSON

pbClientDataJSON

cbAuthenticationResponseJSON

pbAuthenticationResponseJSON

Requirements

See also

WebAuthNFreeAssertion

WebAuthNAuthenticatorGetAssertion