public static bool CheckBase32(string base32string)
{
try
{
var tmp = Base32.FromBase32String(base32string);
return(tmp != null);
}
catch
{
return(false);
}
}
public static void encryptSeed(int userId)
{
string seed = "CMFC4FUMEN7QNNHK4OZD2UVUIF6NJKPB";
byte[] seedBytes = Base32.FromBase32String(seed);
using (Aes AES = Aes.Create())
{
AES.KeySize = 256;
AES.BlockSize = 128;
AES.Key = PrivateKey.privKey;
AES.IV = PrivateKey.privIV;
AES.Mode = CipherMode.CBC;
using (var msEncrypt = new MemoryStream())
{
using (var cs = new CryptoStream(msEncrypt, AES.CreateEncryptor(), CryptoStreamMode.Write))
{
cs.Write(seedBytes, 0, seedBytes.Length);
cs.Close();
}
seedBytes = msEncrypt.ToArray();
}
}
SqlCommand cmd = new SqlCommand();
cmd.CommandText = "Insert Into UserSeed(seedText, userId) " +
"Values(@seedText, @userId);";
cmd.Parameters.AddWithValue("@seedText", seedBytes);
cmd.Parameters.AddWithValue("@userId", userId);
cmd.Connection = Service.GetConnection();
cmd.ExecuteNonQuery();
cmd.Connection.Close();
}
private byte[] FromBase32String(string base32string)
{
return(Base32.FromBase32String(base32string));
}