Ну как вариант шифровать пароль в приложении, а потом уже его в базу записывать.
Вот когда-то писал для себя, может поможет
| Код |
public class Crypt
{
/// <summary>
/// ключевое слово
/// </summary>
private static string word = "bla-bla-bla";
private static string password = null;
public static void LoadDefaultPassword()
{
SetPassword("administrator");
}
public static string GetPassword()
{
if (password == null)
{
StreamReader sr = File.OpenText(Application.StartupPath + @"\password.pass");
password = Decrypt(sr.ReadLine());
sr.Close();
}
return password;
}
public static void SetPassword(string newPassword)
{
StreamWriter sw = File.CreateText(Application.StartupPath + @"\password.pass");
sw.WriteLine(Encrypt(newPassword));
password = newPassword;
sw.Close();
}
private static byte[] Encrypt(byte[] data)
{
SymmetricAlgorithm sa = Rijndael.Create();
ICryptoTransform ct = sa.CreateEncryptor(
(new PasswordDeriveBytes(word, null)).GetBytes(16),
new byte[16]);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, ct, CryptoStreamMode.Write);
cs.Write(data, 0, data.Length);
cs.FlushFinalBlock();
return ms.ToArray();
}
public static string Encrypt (string data)
{
return Convert.ToBase64String(Encrypt(Encoding.UTF8.GetBytes(data)));
}
public static string Decrypt (string data)
{
CryptoStream cs = InternalDecrypt(Convert.FromBase64String(data));
StreamReader sr = new StreamReader(cs);
return sr.ReadToEnd();
}
private static CryptoStream InternalDecrypt (byte[] data)
{
SymmetricAlgorithm sa = Rijndael.Create();
ICryptoTransform ct = sa.CreateDecryptor(
(new PasswordDeriveBytes(word, null)).GetBytes(16),
new byte[16]);
MemoryStream ms = new MemoryStream(data);
return new CryptoStream(ms, ct, CryptoStreamMode.Read);
}
}
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