public static async Task <CreateCommandStatus> Create(DevParam devParam, string publickeyJson, string pin = "")
{
try {
var publickey = JsonConvert.DeserializeObject <PublicKeyforCreate>(publickeyJson);
publickey.pin = pin;
return(await Create(devParam, publickey));
} catch (Exception ex) {
var status = new CreateCommandStatus();
status.msg = ex.Message.ToString();
return(status);
}
}
public static bool Verify(CreateCommandStatus status)
{
foreach (var command in status.commands)
{
if (command.cmd.GetType() == typeof(CTAPauthenticatorMakeCredential))
{
var make = ((CTAPauthenticatorMakeCredential)(command.cmd));
return(Verify(make.RpId, make.ClientDataHash, status.attestation));
}
}
return(false);
}
public static async Task <CreateCommandStatus> Create(DevParam devParam, PublicKeyforCreate publickey)
{
var status = new CreateCommandStatus();
try {
if (publickey.rp == null || publickey.user == null || publickey.challenge == null)
{
throw (new Exception("Param Error"));
}
var ctap = new CTAPauthenticatorMakeCredential();
ctap.RpId = publickey.rp.id;
ctap.RpName = publickey.rp.name;
ctap.UserId = publickey.user.id;
ctap.UserId_bytearray = publickey.user.id_bytearray;
ctap.UserName = publickey.user.name;
ctap.UserDisplayName = publickey.user.displayName;
ctap.ClientDataHash = CTAPauthenticator.CreateClientDataHash(publickey.challenge);
ctap.TimeoutMs = publickey.timeout;
ctap.Option_rk = publickey.authenticatorSelection.requireResidentKey;
if (publickey.authenticatorSelection.userVerification == UserVerificationRequirement.discouraged)
{
ctap.Option_uv = false;
}
else
{
ctap.Option_uv = true;
}
if (publickey.pin.Length > 0)
{
string pin = publickey.pin;
var ctap2 = new CTAPauthenticatorClientPIN();
var st1 = await ctap2.GetKeyAgreement(devParam);
status.commands.Add(new CommandStatus.CommandInfo(ctap2, st1));
if (st1.Status != 0)
{
throw (new Exception("GetKeyAgreement"));
}
var sharedSecret = ctap2.createSharedSecret(ctap2.Authenticator_KeyAgreement);
var pinHashEnc = ctap2.createPinHashEnc(pin, sharedSecret);
var token = await ctap2.GetPINToken(devParam, pinHashEnc);
status.commands.Add(new CommandStatus.CommandInfo(ctap2, token));
if (token.Status != 0)
{
throw (new Exception("GetPINToken"));
}
ctap.PinAuth = ctap2.createPinAuth(sharedSecret, ctap.ClientDataHash, token.PinTokenEnc);
}
var att = await ctap.SendAndResponse(devParam);
status.commands.Add(new CommandStatus.CommandInfo(ctap, att));
if (att.Status != 0)
{
throw (new Exception("MakeCredential"));
}
status.attestation = att;
status.isSuccess = true;
} catch (Exception ex) {
status.setErrorMsg(ex);
}
return(status);
}
