internal static extern HRESULT WebAuthNAuthenticatorGetAssertion(
[In] IntPtr hWnd,
[MarshalAs(UnmanagedType.LPWStr)]
[In] string pwszRpId,
[In] ref WEBAUTHN_CLIENT_DATA pWebAuthNClientData,
[In] ref WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS pWebAuthNGetAssertionOptions,
[Out] out IntPtr ppWebAuthNAssertion);
internal static extern WebAuthnResult WebAuthNAuthenticatorGetAssertion(
[In] IntPtr hWnd,
[In, Optional] string rpId,
[In] WEBAUTHN_CLIENT_DATA pWebAuthNClientData,
[In, Optional] WEBAUTHN_AUTHENTICATOR_GET_ASSERTION_OPTIONS pWebAuthNGetAssertionOptions,
[Out] out IntPtr ppWebAuthNAssertion);
static void Main(string[] args)
{
var ver = WebAuthNGetApiVersionNumber();
WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(out var available);
var rp = new WEBAUTHN_RP_ENTITY_INFORMATION
{
Version = WEBAUTHN_RP_ENTITY_INFORMATION_CURRENT_VERSION,
Id = "login.windows.net",
Name = "login dot windows dot net",
};
var strAseigler = Marshal.StringToHGlobalUni("aseigler");
var userEntity = new WEBAUTHN_USER_ENTITY_INFORMATION
{
Version = WEBAUTHN_USER_ENTITY_INFORMATION_CURRENT_VERSION,
Id = strAseigler,
IdLen = Marshal.SizeOf(strAseigler),
DisplayName = "Alex Seigler",
Name = "aseigler"
};
var coseParams = new WEBAUTHN_COSE_CREDENTIAL_PARAMETER[0];
var excludedCreds = new WEBAUTHN_CREDENTIAL_EX[0];
var excludedCredsList = new WEBAUTHN_CREDENTIAL_LIST[0];
var webAuthNClientData = new WEBAUTHN_CLIENT_DATA
{
Version = WEBAUTHN_CLIENT_DATA_CURRENT_VERSION,
HashAlgId = WEBAUTHN_HASH_ALGORITHM_SHA_256,
};
const string challenge = "VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wZWQgb3ZlciB0aGUgbGF6eSBkb2cu";
const string hashAlg = "SHA-256";
const string origin = "login.windows.net";
webAuthNClientData.ClientDataJSON = Marshal.StringToHGlobalUni(String.Format("{{\"challenge\":\"{0}\",\"clientExtensions\":\"{{}}\",\"hashAlgorithm\":\"{1}\",\"origin\":\"{2}\",\"type\":\"webauthn.create\"}}", challenge, hashAlg, origin));
webAuthNClientData.ClientDataJSONLen = Marshal.SizeOf(webAuthNClientData.ClientDataJSON);
var webAuthNMakeCredentialOptions = new WEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS
{
Version = WEBAUTHN_AUTHENTICATOR_MAKE_CREDENTIAL_OPTIONS_CURRENT_VERSION,
TimeoutMilliseconds = 60000,
AuthenticatorAttachment = WEBAUTHN_AUTHENTICATOR_ATTACHMENT_ANY,
RequireResidentKey = false,
UserVerificationRequirement = WEBAUTHN_USER_VERIFICATION_REQUIREMENT_ANY,
AttestationConveyancePreference = WEBAUTHN_ATTESTATION_CONVEYANCE_PREFERENCE_ANY,
Flags = 0,
};
var coseParam = new WEBAUTHN_COSE_CREDENTIAL_PARAMETER
{
Version = WEBAUTHN_COSE_CREDENTIAL_PARAMETER_CURRENT_VERSION,
Alg = WEBAUTHN_COSE_ALGORITHM_ECDSA_P256_WITH_SHA256,
CredentialType = WEBAUTHN_CREDENTIAL_TYPE_PUBLIC_KEY,
};
var param = new IntPtr();
Marshal.StructureToPtr(coseParam, param, false);
var pubKeyCredParams = new WEBAUTHN_COSE_CREDENTIAL_PARAMETERS
{
CredentialParameters = param,
CredentialParametersLength = Marshal.SizeOf(param),
};
var pWebAuthNCredentialAttestation = new WEBAUTHN_CREDENTIAL_ATTESTATION();
//var hr = WebAuthNAuthenticatorMakeCredential(
//GetForegroundWindow(), &rPInformation, &userInformation, &pubKeyCredParams,
//&webAuthNClientData, &webAuthNMakeCredentialOptions,
//&pWebAuthNCredentialAttestation);
}
