private async void button2_Click(object sender, RoutedEventArgs e)
{
log("【MakeCredential - Start】");
byte[] challenge = System.Text.Encoding.ASCII.GetBytes("this is challenge");
string rpid = textBox_rpid.Text;
string user = textBoxUser.Text;
string pin = textBoxPIN.Text;
if ((bool)checkMakeCredentialPIN.IsChecked == false)
{
pin = "";
}
string requireResidentKey = "false";
if ((bool)checkMakeCredentialRK.IsChecked == true)
{
requireResidentKey = "true";
}
string userVerification = "discouraged";
if ((bool)checkMakeCredentialUV.IsChecked == true)
{
userVerification = "preferred";
}
string json =
"{" +
@"rp : {" +
string.Format($"id : '{rpid}',") +
string.Format($"name :'GEBO_{rpid}',") +
@"}," +
@"user : {" +
string.Format($"id : '{user}',") +
string.Format($"name :'GEBO_{user}',") +
string.Format($"displayName :'my name is {user}',") +
@"}," +
@"pubKeyCredParams: [{type: 'public-key',alg: -7}]," +
@"attestation: 'direct'," +
@"timeout: 10000," +
@"authenticatorSelection : {" +
string.Format($"requireResidentKey : {requireResidentKey},") +
@"authenticatorAttachment : 'cross-platform'," +
string.Format($"userVerification : '{userVerification}'") +
@"}," +
string.Format($"challenge:[{string.Join(",", challenge)}],") +
"}";
var ret = await Credentials.Create(devParam, json, pin);
setResponse(ret);
if (ret.isSuccess == true)
{
// Verify
if (CTAPVerify.Verify(ret))
{
log("Verify - OK!");
// Export_File
Credentials.SerializeAttestationToFile(ret.attestation, string.Format($".\\credentials\\credential_{rpid}_attestation.json"));
// Certificate
var certpem = CTAPVerify.ConvertCertificateDERtoPEM(ret.attestation.AttStmtX5c);
System.IO.File.WriteAllText(string.Format($".\\credentials\\credential_{rpid}_attestation_cert.pem"), certpem);
// PublicKey
var pubkeypem = CTAPVerify.ConvertCOSEtoPEM(ret.attestation.CredentialPublicKeyByte);
System.IO.File.WriteAllText(string.Format($".\\credentials\\credential_{rpid}_pubkey.pem"), pubkeypem);
}
else
{
log("Error --- Verify - NG!");
}
}
log("【MakeCredential - End】");
}
private async void button3_Click(object sender, RoutedEventArgs e)
{
log("【GetAssertion - Start】");
byte[] challenge = System.Text.Encoding.ASCII.GetBytes("this is challenge");
string rpid = textBox_rpid.Text;
string pin = textBoxPIN.Text;
if ((bool)checkGetAssertionPIN.IsChecked == false)
{
pin = "";
}
var att = Credentials.DeSerializeAttestationFromFile(string.Format($".\\credentials\\credential_{rpid}_attestation.json"));
// credential-id
var credentialid = new byte[0];
if ((bool)checkGetAssertionCredentialId.IsChecked)
{
if (att == null)
{
log("Error deSerializeAttestationFromFile");
return;
}
credentialid = att.CredentialId;
}
string requireUserPresence = "false";
if ((bool)checkGetAssertionUP.IsChecked == true)
{
requireUserPresence = "true";
}
string userVerification = "discouraged";
if ((bool)checkGetAssertionUV.IsChecked == true)
{
userVerification = "preferred";
}
string json =
"{" +
string.Format($"timeout : 10000,") +
string.Format($"challenge:[{string.Join(",", challenge)}],") +
string.Format($"rpId : '{rpid}',") +
@"allowCredentials : [{" +
string.Format($"id : [{string.Join(",", credentialid)}],") +
string.Format($"type : 'public-key',") +
@"}]," +
string.Format($"requireUserPresence : '{requireUserPresence}',") +
string.Format($"userVerification : '{userVerification}',") +
"}";
var ret = await Credentials.Get(devParam, json, pin);
setResponse(ret);
if (ret.isSuccess == true)
{
if (att == null)
{
log("Error --- Verify - NG!(deSerializeAttestationFromFile)");
return;
}
// Verify - check index=0 only
if (CTAPVerify.Verify(ret, att.CredentialPublicKeyByte, 0))
{
log("Verify - OK!");
}
else
{
log("Error --- Verify - NG!");
}
}
log("【GetAssertion - End】");
}