public static CryptCredentials FromPassword(string _password, string _salt, string _iv)
{
byte[] _bSalt = Convert.FromBase64String(_salt);
return(new CryptCredentials()
{
key = CryptManager.CreateKey(_password, _bSalt),
salt = _bSalt,
iv = Convert.FromBase64String(_iv)
});
}
public static void Encrypt(string file, CryptCredentials credentials)
{
while (IsFileLocked(new FileInfo(file)))
{
Thread.Sleep(1000);
}
if (File.Exists(file))
{
string fileData = File.ReadAllText(file);
File.Delete(file);
string fileDataCrypted = Convert.ToBase64String(CryptManager.Encrypt(fileData, credentials.key, credentials.iv));
File.WriteAllText(file, fileDataCrypted);
}
}
public static string Decrypt(string file, CryptCredentials credentials)
{
while (IsFileLocked(new FileInfo(file)))
{
Thread.Sleep(1000);
}
if (File.Exists(file))
{
string fileData = File.ReadAllText(file);
File.Delete(file);
string fileDataDecrypted = CryptManager.Decrypt(Convert.FromBase64String(fileData), credentials.key, credentials.iv);
File.WriteAllText(file, fileDataDecrypted);
return(fileDataDecrypted);
}
return(string.Empty);
}