private void LoadCertificateButton_Click(object sender, EventArgs e)
{
using OpenFileDialog openFileDialog = new OpenFileDialog
{
InitialDirectory = "C:\\",
Filter = "X509 Certificate|*.crt",
FilterIndex = 1,
RestoreDirectory = true
};
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
using var stream = openFileDialog.OpenFile();
if (stream != null)
{
using BinaryReader reader = new BinaryReader(stream);
byte[] fileContent = reader.ReadBytes(Convert.ToInt32(stream.Length));
if (X509CertificateController.IsValid(fileContent))
{
m_Certificate = fileContent;
var signAlg = X509CertificateController.GetCertificateParameters(m_Certificate);
X509CertificateParser parser = new X509CertificateParser();
CertificateRichTextBox.Text = parser.ReadCertificate(m_Certificate).ToString();
}
else
{
DebugRichTextBox.Text = "Current certificate is not valid!";
}
}
}
}
private void CalculateSignatureButton_Click(object sender, EventArgs e)
{
bool hasError = false;
DebugRichTextBox.Text = string.Empty;
if (m_Certificate == null || m_Certificate.Length == 0)
{
hasError = true;
DebugRichTextBox.Text += "Choose Certificate!" + Environment.NewLine;
}
if (m_Message == null || m_Message.Length == 0)
{
hasError = true;
DebugRichTextBox.Text += "Choose Message!" + Environment.NewLine;
}
if (!hasError)
{
m_Signature = X509CertificateController.GetMessageSignature(m_Message, m_Certificate);
SignatureRichTextBox.Text = string.Join("", BitConverter.ToString(m_Signature).Split('-'));
DebugRichTextBox.Text = "Success!";
}
}
private void VerifyCertificateButton_Click(object sender, EventArgs e)
{
if (m_Certificate != null && m_Certificate.Length != 0)
{
if (X509CertificateController.IsValid(m_Certificate))
{
Valid();
}
else
{
Invalid();
}
}
}
private void VerifySignatureButton_Click(object sender, EventArgs e)
{
bool hasError = false;
DebugRichTextBox.Text = string.Empty;
if (m_Certificate == null || m_Certificate.Length == 0)
{
hasError = true;
DebugRichTextBox.Text += "Choose Certificate!" + Environment.NewLine;
}
if (m_Message == null || m_Message.Length == 0)
{
hasError = true;
DebugRichTextBox.Text += "Choose Message!" + Environment.NewLine;
}
if (m_Signature == null || m_Signature.Length == 0)
{
hasError = true;
DebugRichTextBox.Text += "Choose Signature!" + Environment.NewLine;
}
if (!hasError)
{
try
{
if (X509CertificateController.IsSignatureValid(m_Message, m_Signature, m_Certificate))
{
Valid();
DebugRichTextBox.Text = "Success!";
}
else
{
Invalid();
}
}
catch (Exception)
{
Invalid();
}
}
}
private void GetRootCertificateButton_Click(object sender, EventArgs e)
{
var certificate = X509CertificateController.GetRootCertificate();
using SaveFileDialog saveFileDialog = new SaveFileDialog
{
Filter = "X509 Certificate|*.crt",
FilterIndex = 1,
Title = "Save a Certificate File",
RestoreDirectory = true
};
if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
Stream dataStream;
if ((dataStream = saveFileDialog.OpenFile()) != null)
{
dataStream.Write(certificate, 0, certificate.Length);
dataStream.Close();
}
}
}
private void CreateButton_Click(object sender, EventArgs e)
{
bool hasError = false;
DebugRichTextBox.Text = "";
m_Subject.Surname_Subj = GetUserSurname();
if (m_Subject.Surname_Subj.Length == 0)
{
hasError = true;
DebugRichTextBox.Text += "Error occured in user name!" + Environment.NewLine;
}
m_Subject.Name_Subj = GetUserName();
if (m_Subject.Name_Subj.Length == 0)
{
hasError = true;
DebugRichTextBox.Text += "Error occured in user name!" + Environment.NewLine;
}
m_Subject.BirthDate_Subj = GetUserBirthDate();
m_Subject.Phone_Subj = GetUserPhone();
if (m_Subject.Phone_Subj.Length == 0 || m_Subject.Phone_Subj.Count(elm => elm < '0' || elm > '9') > 0)
{
hasError = true;
DebugRichTextBox.Text += "Error occured in user phone!" + Environment.NewLine;
}
m_Subject.EMail_Subj = GetUserEMail();
if (m_Subject.EMail_Subj.Length == 0 ||
m_Subject.EMail_Subj.Count(elm => elm == '@') == 0 || m_Subject.EMail_Subj.Count(elm => elm == '@') > 1 ||
m_Subject.EMail_Subj.Count(elm => elm == '.') == 0 || m_Subject.EMail_Subj.Count(elm => elm == '.') > 1 ||
m_Subject.EMail_Subj.IndexOf('.') - m_Subject.EMail_Subj.IndexOf('@') < 2 ||
m_Subject.EMail_Subj.IndexOf('.') == m_Subject.EMail_Subj.Length - 1)
{
hasError = true;
DebugRichTextBox.Text += "Error occured in user email!" + Environment.NewLine;
}
m_Subject.Gender_Subj = DatabaseInstance.GetInstance().Genders.FirstOrDefault(elm => elm.Name_Gender == GetUserGender());
if (m_Subject.Gender_Subj == null)
{
hasError = true;
DebugRichTextBox.Text += "Error occured in user gender!" + Environment.NewLine;
}
m_Subject.Citizen_Subj = DatabaseInstance.GetInstance().Citizens.FirstOrDefault(elm => elm.Name_Citizen == GetUserCitizenship());
if (m_Subject.Citizen_Subj == null)
{
hasError = true;
DebugRichTextBox.Text += "Error occured in user citizenship!" + Environment.NewLine;
}
m_Subject.City_Subj = DatabaseInstance.GetInstance().Cities.FirstOrDefault(elm => elm.Name_City == GetUserCity());
if (m_Subject.City_Subj == null)
{
hasError = true;
DebugRichTextBox.Text += "Error occured in user city!" + Environment.NewLine;
}
m_Subject.PassportSerias_Subj = GetUserPassportSerials();
if (m_Subject.PassportSerias_Subj.Length != 4 || m_Subject.PassportSerias_Subj.Count(elm => elm < '0' || elm > '9') > 0)
{
hasError = true;
DebugRichTextBox.Text += "Error occured in user passport serias!" + Environment.NewLine;
}
m_Subject.PassportNumber_Subj = GetUserPassportNumber();
if (m_Subject.PassportNumber_Subj.Length != 6 || m_Subject.PassportNumber_Subj.Count(elm => elm < '0' || elm > '9') > 0)
{
hasError = true;
DebugRichTextBox.Text += "Error occured in user passport number!" + Environment.NewLine;
}
m_Subject.INN_Subj = GetUserINN();
if (m_Subject.INN_Subj.Length != 12 || m_Subject.INN_Subj.Count(elm => elm < '0' || elm > '9') > 0)
{
hasError = true;
DebugRichTextBox.Text += "Error occured in user INN!" + Environment.NewLine;
}
m_Subject.SNILS_Subj = GetUserSNILS();
if (m_Subject.SNILS_Subj.Length != 11 || m_Subject.SNILS_Subj.Count(elm => elm < '0' || elm > '9') > 0)
{
hasError = true;
DebugRichTextBox.Text += "Error occured in user SNILS!" + Environment.NewLine;
}
m_AlgParSet = DatabaseInstance.GetInstance().AlgParSets
.Include(elm => elm.AlgName_AlgParSet)
.Include(elm => elm.HashType_AlgParSet)
.Include(elm => elm.Len_AlgParSet)
.FirstOrDefault(elm => elm.OID_AlgParSet == GetParametersOID());
if (m_AlgParSet == null)
{
hasError = true;
DebugRichTextBox.Text += "Error occured in parameters OID!" + Environment.NewLine;
}
if (!hasError)
{
var certificate = X509CertificateController.GetSignedCertificate(m_AlgParSet, m_Subject);
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Filter = "X509 Certificate|*.crt";
saveFileDialog.FilterIndex = 1;
saveFileDialog.Title = "Save a Certificate File";
saveFileDialog.RestoreDirectory = true;
if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
Stream dataStream;
if ((dataStream = saveFileDialog.OpenFile()) != null)
{
dataStream.Write(certificate, 0, certificate.Length);
dataStream.Close();
}
X509CertificateParser parser = new X509CertificateParser();
DebugRichTextBox.Text = parser.ReadCertificate(certificate).ToString();
}
}
}
