public void WriteEncrypted(string text, string path, byte[] key)
{
Cryptography cryptography = new Cryptography();
Write(File.Exists(path) ? cryptography.Encrypt(cryptography.Decrypt(Read(path), key) + text + " ", key) : cryptography.Encrypt(text + " ", key), path, true);
}
public bool LoginUser(string user, string password, string type, String filePath)
{
Cryptography cryptography = new Cryptography();
using (var sqlite2 = new SQLiteConnection(@"DataSource=" + filePath))
{
sqlite2.Open();
string[] result = new string[5];
string sql = "select * from user where login='******'";
userName = user;
SQLiteCommand command = new SQLiteCommand(sql, sqlite2);
SQLiteDataReader reader = command.ExecuteReader();
String DBLogin = "";
while (reader.Read())
{
result[0] = reader[0].ToString();
result[1] = reader[1].ToString();
result[2] = reader[2].ToString();
}
if (type == "HMAC")
{
Console.WriteLine("HMAC");
String hashPassword = result[2].ToString();
String passHMAC = cryptography.GenerateHMACString(password);
String loginDbUSer = result[1].ToString();
loginCurrentUser = loginDbUSer;
Console.WriteLine("Passwords: form: " + passHMAC + "and database: " + hashPassword);
if (String.Equals(hashPassword, passHMAC) && String.Equals(loginDbUSer, user) && user != null && password != null)
{
UserLogin = true;
Console.WriteLine("Logowanie pomyślne HMAC");
}
else
{
Console.WriteLine("Logowanie nieudane HMAC");
UserLogin = false;
}
}
else if (type == "SHA512")
{
Console.WriteLine("SHA512");
String hashPassword = result[2].ToString();
String passSHA = cryptography.EncryptSHA512(password);
String loginDbUSer = result[1].ToString();
loginCurrentUser = loginDbUSer;
if (String.Equals(hashPassword, passSHA) && String.Equals(loginDbUSer, user) && user != null && password != null)
{
UserLogin = true;
Console.WriteLine("Logowanie pomyślne SHA512");
}
}
else
{
Console.WriteLine("Logowanie nie udało się SHA512");
UserLogin = false;
}
reader.Close();
command.Dispose();
}
return(UserLogin);
}
public string ReadEncrypted(string path, byte[] key)
{
Cryptography decrypter = new Cryptography();
return(decrypter.Decrypt(Read(path), key));
}
