| public static Decrypt ( string cipherText, string password, string salt = "Kosher", string hashAlgorithm = "SHA1", int passwordIterations = 2, string initialVector = "OFRna73m*aze01xY", int keySize = 256 ) : string | ||
| cipherText | string | |
| password | string | |
| salt | string | |
| hashAlgorithm | string | |
| passwordIterations | int | |
| initialVector | string | |
| keySize | int | |
| return | string | |
void AutoLock(bool minimize)
{
saveToolStripMenuItem1_Click_1(this, new EventArgs());
Form2 f2 = new Form2();
publicVar.encryptionKey = "";
caretPos = customRTB.SelectionStart;
f2.MinimizeBox = true;
this.Hide();
if (minimize == true)
{
f2.WindowState = FormWindowState.Minimized;
}
f2.ShowDialog();
if (publicVar.okPressed == false)
{
publicVar.encryptionKey = "";
customRTB.Clear();
this.Text = appName.Remove(14);
OpenFile.FileName = "";
this.Show();
return;
}
publicVar.okPressed = false;
try
{
OpenFile.FileName = filename;
string opnfile = File.ReadAllText(OpenFile.FileName);
string NameWithotPath = Path.GetFileName(OpenFile.FileName);
string de = AES.Decrypt(opnfile, publicVar.encryptionKey, ps.TheSalt, ps.HashAlgorithm, ps.PasswordIterations, "16CHARSLONG12345", ps.KeySize);
this.Text = appName + NameWithotPath;
filename = OpenFile.FileName;
string cc2 = customRTB.Text.Length.ToString(CultureInfo.InvariantCulture);
customRTB.SelectionStart = caretPos;
this.Show();
}
catch (CryptographicException)
{
DialogResult dialogResult = MessageBox.Show("Invalid key!", "Crypto Notepad", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error);
if (dialogResult == DialogResult.Retry)
{
AutoLock(false);
}
if (dialogResult == DialogResult.Cancel)
{
publicVar.encryptionKey = "";
customRTB.Clear();
this.Text = appName.Remove(14);
OpenFile.FileName = "";
this.Show();
return;
}
}
}
private void openAsotiations()
{
EnterKeyForm Form2 = new EnterKeyForm();
Form2.StartPosition = FormStartPosition.CenterScreen;
string fileExtension = Path.GetExtension(args[1]);
if (fileExtension == ".cnp")
{
try
{
string NameWithotPath = Path.GetFileName(args[1]);
string opnfile = File.ReadAllText(args[1]);
Form2.ShowDialog();
if (PublicVar.okPressed == false)
{
OpenFile.FileName = "";
return;
}
PublicVar.okPressed = false;
string de = AES.Decrypt(opnfile, TypedPassword.Value, null, ps.HashAlgorithm, ps.PasswordIterations, ps.KeySize);
customRTB.Text = de;
this.Text = appName + NameWithotPath;
filePath = args[1];
string cc = customRTB.Text.Length.ToString(CultureInfo.InvariantCulture);
PublicVar.encryptionKey.Set(TypedPassword.Value);
customRTB.Select(Convert.ToInt32(cc), 0);
TypedPassword.Value = null;
}
catch (CryptographicException)
{
TypedPassword.Value = null;
DialogResult dialogResult = MessageBox.Show("Invalid key!", "Crypto Notepad", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error);
if (dialogResult == DialogResult.Retry)
{
openAsotiations();
}
}
}
else
{
string opnfile = File.ReadAllText(args[1]);
string NameWithotPath = Path.GetFileName(args[1]);
customRTB.Text = opnfile;
this.Text = appName + NameWithotPath;
string cc2 = customRTB.Text.Length.ToString(CultureInfo.InvariantCulture);
customRTB.Select(Convert.ToInt32(cc2), 0);
}
currentFilename = Path.GetFileName(args[1]);
}
void DecryptAES()
{
EnterKeyForm f2 = new EnterKeyForm();
f2.ShowDialog();
if (PublicVar.okPressed == false)
{
return;
}
if (panel1.Visible == true)
{
findToolStripMenuItem2_Click(this, new EventArgs());
}
try
{
string opnfile = File.ReadAllText(OpenFile.FileName);
string NameWithotPath = Path.GetFileName(OpenFile.FileName);
string de = AES.Decrypt(opnfile, TypedPassword.Value, null, ps.HashAlgorithm, ps.PasswordIterations, ps.KeySize);
customRTB.Text = de;
this.Text = appName + NameWithotPath;
filePath = OpenFile.FileName;
string cc2 = customRTB.Text.Length.ToString(CultureInfo.InvariantCulture);
customRTB.Select(Convert.ToInt32(cc2), 0);
PublicVar.openFileName = Path.GetFileName(OpenFile.FileName);
currentFilename = Path.GetFileName(OpenFile.FileName);
PublicVar.encryptionKey.Set(TypedPassword.Value);
TypedPassword.Value = null;
}
catch (CryptographicException)
{
using (new CenterWinDialog(this))
{
TypedPassword.Value = null;
DialogResult dialogResult = MessageBox.Show("Invalid key!", "Crypto Notepad", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error);
if (dialogResult == DialogResult.Retry)
{
DecryptAES();
}
if (dialogResult == DialogResult.Cancel)
{
return;
}
}
}
}
private void openAsotiations()
{
Form2 Form2 = new Form2();
Form2.StartPosition = FormStartPosition.CenterScreen;
try
{
string NameWithotPath = Path.GetFileName(args[1]);
string opnfile = File.ReadAllText(args[1]);
Form2.ShowDialog();
if (publicVar.okPressed == false)
{
OpenFile.FileName = "";
return;
}
publicVar.okPressed = false;
string de = AES.Decrypt(opnfile, publicVar.encryptionKey, ps.TheSalt, ps.HashAlgorithm, ps.PasswordIterations, "16CHARSLONG12345", ps.KeySize);
customRTB.Text = de;
this.Text = appName + NameWithotPath;
filename = args[1];
string cc = customRTB.Text.Length.ToString(CultureInfo.InvariantCulture);
customRTB.Select(Convert.ToInt32(cc), 0);
}
catch
{
DialogResult dialogResult = MessageBox.Show("Invalid key!", "Crypto Notepad", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error);
if (dialogResult == DialogResult.Retry)
{
openAsotiations();
}
}
currentFilename = Path.GetFileName(OpenFile.FileName);
}
void AutoLock(bool minimize)
{
EnterKeyForm f2 = new EnterKeyForm();
PublicVar.encryptionKey.Set(null);
caretPos = customRTB.SelectionStart;
f2.MinimizeBox = true;
this.Hide();
if (minimize == true)
{
f2.WindowState = FormWindowState.Minimized;
}
f2.ShowDialog();
if (PublicVar.okPressed == false)
{
PublicVar.encryptionKey.Set(null);
customRTB.Clear();
this.Text = appName.Remove(14);
currentFilename = "";
filePath = "";
this.Show();
return;
}
PublicVar.okPressed = false;
try
{
customRTB.Clear();
string opnfile = File.ReadAllText(filePath);
string de = AES.Decrypt(opnfile, TypedPassword.Value, null, ps.HashAlgorithm, ps.PasswordIterations, ps.KeySize);
customRTB.Text = de;
this.Text = appName + currentFilename;
string cc2 = customRTB.Text.Length.ToString(CultureInfo.InvariantCulture);
customRTB.Select(Convert.ToInt32(cc2), 0);
customRTB.SelectionStart = caretPos;
PublicVar.encryptionKey.Set(TypedPassword.Value);
TypedPassword.Value = null;
this.Show();
}
catch (Exception ex)
{
if (ex is CryptographicException)
{
TypedPassword.Value = null;
DialogResult dialogResult = MessageBox.Show("Invalid key!", "Crypto Notepad", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error);
if (dialogResult == DialogResult.Retry)
{
AutoLock(false);
}
if (dialogResult == DialogResult.Cancel)
{
PublicVar.encryptionKey.Set(null);
customRTB.Clear();
this.Text = appName.Remove(14);
filePath = "";
currentFilename = "";
this.Show();
return;
}
}
}
}
