public void Loose(string password)
{
string hashedPassword = CryptoHelper.GetSHA256HashData(password);
if (!string.IsNullOrEmpty(this.Password) && this.Password == hashedPassword)
{
if (Changed != null)
{
Changed(this, EventArgs.Empty);
}
var dbfiles = Directory.GetFiles(Directory.GetParent(this.Path).FullName).Where(s =>
s.EndsWith(".xod") ||
s.EndsWith(".xtab") ||
s.EndsWith(".xpag"));
foreach (var file in dbfiles)
{
FileCryptoHelper.DecryptFile(file, file + ".lock", hashedPassword);
File.Delete(file);
File.Move(file + ".lock", file);
}
this.Password = null;
}
else
{
throw new SecurityException("Input password doesn't match current database password.");
}
}
public void Secure(string password)
{
if (!string.IsNullOrEmpty(password) && (password.Length < 1 || password.Length > 256))
{
throw new SecurityException("Password length should be between 1 and 256.");
}
if (string.IsNullOrEmpty(this.Password))
{
if (Changed != null)
{
Changed(this, EventArgs.Empty);
}
this.Password = CryptoHelper.GetSHA256HashData(password);
var dbfiles = Directory.GetFiles(Directory.GetParent(this.Path).FullName).Where(s =>
s.EndsWith(".xod") ||
s.EndsWith(".xtab") ||
s.EndsWith(".xpag"));
foreach (var file in dbfiles)
{
FileCryptoHelper.EncryptFile(file, file + ".lock", this.Password);
File.Delete(file);
File.Move(file + ".lock", file);
}
}
else
{
throw new SecurityException("The database is already protected with a password, if you want to change it use ChangePassword method.");
}
}
