public void ParseQrCodeGeschlossenesSystemTest()
{
var test = new ReceiptQrCode(QRCODE1);
string Ordnungsbegriff_des_Unternehmers = test.CertificateSerial;
Assert.True(test.IstGeschlossenesSystem());
Assert.Equal("U:ATU46674503-01", Ordnungsbegriff_des_Unternehmers);
}
public void ValidatePrimesignSignatureTest()
{
byte[] certBits = Convert.FromBase64String(CERT64ENCODED);
var test = new ReceiptQrCode(QRCODE1);
bool ok = test.ValidateSignatureBouncyCastle(certBits);
Assert.True(ok);
}
public void JwsHashTest()
{
var test = new ReceiptQrCode(QRCODE1);
byte[] hash = test.GetJwsHash();
string convertedHash = Convert.ToBase64String(hash);
Assert.Equal("RQvAE3zXoCVonYn8D5KIOZbcTxM+O0lOtOXBTqWarqM=", convertedHash);
}
public void VerifySignatureTest()
{
byte[] certBits = Convert.FromBase64String(CERT64ENCODED);
var test = new ReceiptQrCode(QRCODE1);
bool verified = test.ValidateSignature(certBits);
Assert.True(verified);
}
public void LookupPrimesignCertificateTest()
{
var test = new ReceiptQrCode(QRCODE1);
string certSerial = test.CertificateSerial;
// Lookup needs serial in decimal
long certificateSerialDecimal = Convert.ToInt64(certSerial, 16);
Assert.Equal(491306597551448, certificateSerialDecimal);
// Sample Primesign lookup for above serial
var result = CertificateLookup.Primesign(certificateSerialDecimal);
string cert64Encoded = Convert.ToBase64String(result.CertificateBinary);
Assert.Equal(CERT64ENCODED, cert64Encoded);
}
public void LookupATrustCertificateTest()
{
var test = new ReceiptQrCode(QRCODE1);
string certSerial = test.CertificateSerial;
// Lookup needs serial in decimal
int certificateSerialDecimal = Convert.ToInt32(certSerial, 16);
Assert.Equal(2065058440, certificateSerialDecimal);
// Sample A-Trust lookup for above serial
var result = CertificateLookup.ATrust(certificateSerialDecimal);
string cert64Encoded = Convert.ToBase64String(result.CertificateBinary);
Assert.Equal(CERT64ENCODED, cert64Encoded);
}
private async void ScanBon_Clicked(object sender, EventArgs e)
{
try
{
var scanner = DependencyService.Get <IQrScanningService>();
var result = await scanner.ScanAsync();
if (result != null)
{
System.Diagnostics.Debug.WriteLine("QR: " + result);
StringBuilder stb = new StringBuilder();
stb.AppendLine($"QR: {result}");
var qrCode = new ReceiptQrCode(result);
if (qrCode.IsValid)
{
stb.AppendLine($"Cipher Suite: {qrCode.CipherSuite}");
if (!qrCode.IstGeschlossenesSystem())
{
stb.AppendLine($"Cert Id: {qrCode.CertificateSerialAsDecimal}");
}
else
{
stb.AppendLine("Kassentyp: geschlossenes System");
}
stb.AppendLine($"Datum: {qrCode.Date}");
stb.AppendLine($"Beträge: {qrCode.BetragSatzNormal} / {qrCode.BetragSatzErmaessigt1} / {qrCode.BetragSatzErmaessigt2} / {qrCode.BetragSatzNull} / {qrCode.BetragSatzBesonders}");
if (!qrCode.IstGeschlossenesSystem())
{
var certificateLookupResult = CertificateLookup.Lookup(qrCode);
if (certificateLookupResult.Found)
{
bool verified = qrCode.ValidateSignatureBouncyCastle(certificateLookupResult.CertificateBinary);
stb.AppendLine($"Ergebnis Validierung Signatur: {verified}");
}
else
{
stb.AppendLine($"Fehler: Zertifikat nicht gefunden, {certificateLookupResult.ErrorMessage}");
}
}
else
{
stb.AppendLine($"Ordnungsbegriff des Unternehmers: {qrCode.CertificateSerial}");
}
}
else
{
stb.AppendLine("Fehler: QR Code ungültig");
}
VerificationResult.Text = stb.ToString();
}
}
catch (Exception ex)
{
await DisplayAlert("Scan Error", ex.ToString(), "OK");
}
}
public void SignatureValueExtractionTest()
{
var test = new ReceiptQrCode(QRCODE1);
Assert.Equal("irdxIo1TAowB1OzpU+dgeAS887k8AuT09jrcMjZx95xHzbKp5pLQcupkbpZK5UxtDaxj08+8bRO30Y4wxiwonw==", test.SignatureValue);
}
