private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.Filter = "PDF document (*.pdf)|*.pdf";
DialogResult result = dialog.ShowDialog();
if (result == DialogResult.OK)
{
try
{
string pdfFile = dialog.FileName;
List <PdfSignature> signatures = new List <PdfSignature>();
//Open a pdf document and get its all signatures
using (PdfDocument pdf = new PdfDocument())
{
pdf.LoadFromFile(pdfFile);
PdfFormWidget form = pdf.Form as PdfFormWidget;
for (int i = 0; i < form.FieldsWidget.Count; i++)
{
PdfSignatureFieldWidget field = form.FieldsWidget[i] as PdfSignatureFieldWidget;
if (field != null && field.Signature != null)
{
PdfSignature signature = field.Signature;
signatures.Add(signature);
}
}
//Get the first signature
PdfSignature signatureOne = signatures[0];
//Detect if the pdf document was modified
bool modified = signatureOne.VerifyDocModified();
if (modified)
{
MessageBox.Show("The document was modified");
}
else
{
MessageBox.Show("The document was not modified");
}
}
}
catch (Exception exe)
{
MessageBox.Show(exe.Message, "Spire.Pdf Demo", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void VerifySC_Click(object sender, EventArgs e)
{
err = m_SecuBSP.EnumerateDevice();
pdf = new PdfDocument();
OpenFileDialog dialog = new OpenFileDialog();
dialog.Filter = "PDF document (*.pdf)|*.pdf";
DialogResult result = dialog.ShowDialog();
if (result == DialogResult.OK)
{
try
{
string pdfFile = dialog.FileName;
List <PdfSignature> signatures = new List <PdfSignature>();
//Open a pdf document and get its all signatures
using (PdfDocument pdf = new PdfDocument())
{
pdf.LoadFromFile(pdfFile);
PdfFormWidget form = pdf.Form as PdfFormWidget;
for (int i = 0; i < form.FieldsWidget.Count; i++)
{
PdfSignatureFieldWidget field = form.FieldsWidget[i] as PdfSignatureFieldWidget;
if (field != null && field.Signature != null)
{
PdfSignature signature = field.Signature;
signatures.Add(signature);
}
}
//Get the first signature
PdfSignature signatureOne = signatures[0];
//Detect if the pdf document was modified
bool modified = signatureOne.VerifyDocModified();
//FIND
err = m_SecuBSP.EnumerateDevice();
m_SecuBSP.DeviceID = (Int16)DeviceID.AUTO;
//OPEN
err = m_SecuBSP.OpenDevice();
if (err == BSPError.ERROR_NONE)
{
if (!modified)
{
PdfDocumentInformation docInfo = pdf.DocumentInformation;
err = m_SecuBSP.Capture(FIRPurpose.VERIFY);
if (err == BSPError.ERROR_NONE)
{
err = m_SecuBSP.VerifyMatch(m_SecuBSP.FIRTextData, docInfo.Subject);
if (err == BSPError.ERROR_NONE)
{
if (m_SecuBSP.IsMatched)
{
AutoClosingMessageBox.Show("The Document is Authentic", "", 1500);
}
else
{
AutoClosingMessageBox.Show("The Document is not Authentic", "", 1500);
}
}
}
}
else
{
AutoClosingMessageBox.Show("The Document is not Authentic", "", 1500);
}
}
else
{
AutoClosingMessageBox.Show("No Scanner Detected", "Error!", 1000);
}
}
}
catch (Exception exe)
{
MessageBox.Show("Document is not Authentic", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void VerifyDB_Click(object sender, EventArgs e)
{
if (matricTextBox.Text.Equals("") || matricTextBox.Text.Equals("Input Matric"))
{
MessageBox.Show("Please Input a Matric Number", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
MySqlCommand command = new MySqlCommand("SELECT * FROM `data` WHERE `matric`=@user", db.getConnection());
command.Parameters.Add("@user", MySqlDbType.VarChar).Value = matricTextBox.Text;
db.openConnection();
MySqlDataReader rdr = command.ExecuteReader();
f_data = "";
while (rdr.Read())
{
f_data = rdr.GetString(4);
}
rdr.Close();
if (f_data.Equals(""))
{
MessageBox.Show("Wrong Matric Number", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
pdf = new PdfDocument();
OpenFileDialog dialog = new OpenFileDialog();
dialog.Filter = "PDF document (*.pdf)|*.pdf";
DialogResult result = dialog.ShowDialog();
if (result == DialogResult.OK)
{
try
{
string pdfFile = dialog.FileName;
List <PdfSignature> signatures = new List <PdfSignature>();
//Open a pdf document and get its all signatures
using (PdfDocument pdf = new PdfDocument())
{
pdf.LoadFromFile(pdfFile);
PdfFormWidget form = pdf.Form as PdfFormWidget;
for (int i = 0; i < form.FieldsWidget.Count; i++)
{
PdfSignatureFieldWidget field = form.FieldsWidget[i] as PdfSignatureFieldWidget;
if (field != null && field.Signature != null)
{
PdfSignature signature = field.Signature;
signatures.Add(signature);
}
}
//Get the first signature
PdfSignature signatureOne = signatures[0];
//Detect if the pdf document was modified
bool modified = signatureOne.VerifyDocModified();
if (!modified)
{
PdfDocumentInformation docInfo = pdf.DocumentInformation;
err = m_SecuBSP.Capture(FIRPurpose.VERIFY);
err = m_SecuBSP.VerifyMatch(f_data, docInfo.Subject);
if (err == BSPError.ERROR_NONE)
{
if (m_SecuBSP.IsMatched)
{
AutoClosingMessageBox.Show("The Document is Authentic", "", 1500);
}
else
{
AutoClosingMessageBox.Show("The Document is not Authentic", "", 1500);
}
}
}
else
{
AutoClosingMessageBox.Show("The Document is not Authentic", "", 1500);
}
}
}
catch (Exception exe)
{
MessageBox.Show("Document is not Authentic", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}
}
