// Will decrypt .tmp file into Root class
public void JBufferDecrypt(APIEncryptedBody data, byte[] secretKey)
{
if (ReferenceEquals(null, data))
{
MessageBox.Show("Please contact [email protected]", "Oh.. There's Bug!");
Application.Exit();
}
_IsDecrypting = true;
byte[] encryptedBytes = Convert.FromBase64String(data.body);
AesCryptoServiceProvider aes = new AesCryptoServiceProvider();
byte[] passwordBytes = secretKey;
byte[] salt = Encoding.UTF8.GetBytes(data.author);
var key = new Rfc2898DeriveBytes(passwordBytes, salt, 1000);
aes.KeySize = 256; //Not Required
aes.BlockSize = 128; //Not Required
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.PKCS7;
aes.Key = key.GetBytes(aes.KeySize / 8);
aes.IV = key.GetBytes(aes.BlockSize / 8); //2314345645678765
// Debug.WriteLine(aes.IV);
// Debug.WriteLine(aes.Key);
// aes.Key = Encoding.UTF8.GetBytes(secretKey);
// aes.IV = Encoding.UTF8.GetBytes("2314345645678765"); //2314345645678765
ICryptoTransform crypto = aes.CreateDecryptor(aes.Key, aes.IV);
byte[] secret = crypto.TransformFinalBlock(encryptedBytes, 0, encryptedBytes.Length);
crypto.Dispose();
var result = ASCIIEncoding.ASCII.GetString(secret);
Data = JsonConvert.DeserializeObject <Root>(result);
_IsDecrypting = false;
}
// Will save from APIs and serialize to a .tmp file
public void JFileSave(APIEncryptedBody data, string secretKey)
{
using (var fs = new StreamWriter(filename))
{
try
{
var js = new JsonSerializer();
js.Serialize(fs, data);
fs.Close();
if (File.Exists(filename))
{
// JBufferDecrypt(data, secretKey);
SrDecryptor(data, secretKey);
}
}
catch (Exception e)
{
XtraMessageBox.Show("Possible Cause:\n1. Connection unavailable\n2. Update server down\n3. Not running as admin\n\nPlease contact: [email protected]", "There's bug");
if (File.Exists(filename))
{
File.Delete(filename);
}
Application.Exit();
Debug.WriteLine(e);
}
}
}
public void SrDecryptor(APIEncryptedBody data, string secretKey)
{
_IsDecrypting = true;
// GCHandle gch = GCHandle.Alloc(secretKey, GCHandleType.Pinned);
JBufferDecrypt(data, Encoding.UTF8.GetBytes(secretKey));
// ZeroMemory(gch.AddrOfPinnedObject(), secretKey.Length * 2);
// gch.Free();
_IsDecrypting = false;
}
// Get Encrypted Body
public async Task <APIEncryptedBody> GetAPIDataEncrypted(string path)
{
APIEncryptedBody data = null;
client.GetAsync(path).ContinueWith(async(Task <HttpResponseMessage> res) =>
{
Debug.WriteLine(res);
if (res.Result.IsSuccessStatusCode)
{
data = await res.Result.Content.ReadAsAsync <APIEncryptedBody>();
}
return(data);
}).Wait();
return(data);
}