private void savePropertiesBtn_Click(object sender, EventArgs e)
{
var path = System.IO.Directory.GetCurrentDirectory() + "\\config.ini";
try
{
// Create the file, or overwrite if the file exists.
using (FileStream fs = File.Create(path))
{
using (StreamWriter fw = new StreamWriter(fs))
{
fw.WriteLine(StringToHash.Encrypt(connectionStringTxtBox.Text, "a"));
fw.WriteLine(StringToHash.Encrypt(destinationPathTxtBox.Text, "a"));
fw.WriteLine(StringToHash.Encrypt(dbNameTxtBox.Text, "a"));
fw.WriteLine(StringToHash.Encrypt(destinationEmailTxtBox.Text, "a"));
fw.WriteLine(StringToHash.Encrypt(senderTxtBox.Text, "a"));
fw.WriteLine(StringToHash.Encrypt(smtpTxtBox.Text, "a"));
fw.WriteLine(StringToHash.Encrypt(smtpLoginTxtBox.Text, "a"));
fw.WriteLine(StringToHash.Encrypt(smtpPasswordTxtBox.Text, "a"));
}
}
MessageBox.Show("Plik konfiguracyjny zapisany");
this.Close();
// File.Encrypt(path);
}
catch (Exception exception)
{
MessageBox.Show(exception.ToString());
}
}
/// <summary>
/// Decrypt a string.
/// </summary>
/// <param name="encryptedText">String to be decrypted</param>
/// <param name="password">Password used during encryption</param>
/// <exception cref="FormatException"></exception>
public static string Decrypt(string encryptedText, string password)
{
if (encryptedText == null)
{
return(null);
}
if (password == null)
{
password = String.Empty;
}
// Get the bytes of the string
var bytesToBeDecrypted = Convert.FromBase64String(encryptedText);
var passwordBytes = Encoding.UTF8.GetBytes(password);
passwordBytes = SHA256.Create().ComputeHash(passwordBytes);
var bytesDecrypted = StringToHash.Decrypt(bytesToBeDecrypted, passwordBytes);
return(Encoding.UTF8.GetString(bytesDecrypted));
}
/// <summary>
/// Encrypt a string.
/// </summary>
/// <param name="plainText">String to be encrypted</param>
/// <param name="password">Password</param>
public static string Encrypt(string plainText, string password)
{
if (plainText == null)
{
return(null);
}
if (password == null)
{
password = String.Empty;
}
// Get the bytes of the string
var bytesToBeEncrypted = Encoding.UTF8.GetBytes(plainText);
var passwordBytes = Encoding.UTF8.GetBytes(password);
// Hash the password with SHA256
passwordBytes = SHA256.Create().ComputeHash(passwordBytes);
var bytesEncrypted = StringToHash.Encrypt(bytesToBeEncrypted, passwordBytes);
return(Convert.ToBase64String(bytesEncrypted));
}