public static string DecryptionPost(Post post, Account account)
{
try
{
//byte[] bytePrivateKey = System.Text.Encoding.Default.GetBytes(privateKey);
//tworzy klucz AES i macierz Inicjującą
//tworzy nowa pare kluczy RSA
using (RSACryptoServiceProvider myRsa = new RSACryptoServiceProvider())
{
// Deszyfrowanie
RSAParameters RSAKeyInfo = new RSAParameters();
RSAKeyInfo = myRsa.ExportParameters(true);
RSAKeyInfo.Modulus = account._Modulus;
RSAKeyInfo.D = account._D;
RSAKeyInfo.DP = account._DP;
RSAKeyInfo.DQ = account._DQ;
RSAKeyInfo.Exponent = account._Exponent;
RSAKeyInfo.InverseQ = account._InvereQ;
RSAKeyInfo.P = account._P;
RSAKeyInfo.Q = account._Q;
myRsa.ImportParameters(RSAKeyInfo);
byte[][] AesKeys = DecryptAesKey(post.Key, RSAKeyInfo);
string plaintext = AesDecrypt(post.Content, AesKeys[0], AesKeys[1]);
return plaintext;
}
}
catch (Exception e)
{
throw new Exception(e.Message);
}
}
public async Task<ActionResult> Register(RegisterViewModel model)
{
if (ModelState.IsValid)
{
var user = new ApplicationUser { UserName = model.Email, Email = model.Email };
var result = await UserManager.CreateAsync(user, model.Password);
if (result.Succeeded)
{
await SignInManager.SignInAsync(user, isPersistent:false, rememberBrowser:false);
// For more information on how to enable account confirmation and password reset please visit http://go.microsoft.com/fwlink/?LinkID=320771
// Send an email with this link
// string code = await UserManager.GenerateEmailConfirmationTokenAsync(user.Id);
// var callbackUrl = Url.Action("ConfirmEmail", "Account", new { userId = user.Id, code = code }, protocol: Request.Url.Scheme);
// await UserManager.SendEmailAsync(user.Id, "Confirm your account", "Please confirm your account by clicking <a href=\"" + callbackUrl + "\">here</a>");
var db = new ApplicationDbContext();
var account = new Account {AccountId = user.Id};
//string privateKey = account.PrivateKey;
//XmlDocument xml = new XmlDocument();
//xml.LoadXml(privateKey);
//string str = "";
//XmlNodeList xnList = xml.SelectNodes("/RSAKeyValue");
//foreach (XmlNode xn in xnList)
//{
// str = xn["Modulus"].InnerText;
//}
//xml.LoadXml(account.PublicKey);
//xnList = xml.SelectNodes("/RSAKeyValue");
//foreach (XmlNode xn in xnList)
//{
// account.PublicKey = xn["Modulus"].InnerText;
//}
string str = System.Text.Encoding.Default.GetString(account._D);
db.Accounts.Add(account);
db.SaveChanges();
//account.PrivateKey = String.Empty;
return RedirectToAction("Index", "Home", new {key=str});
}
AddErrors(result);
}
// If we got this far, something failed, redisplay form
return View(model);
}
public static Post EncryptionPost(Post post, string content, Account account)
{
try
{
//tworzy klucz AES i macierz Inicjującą
using (Aes myAes = Aes.Create())
{
//tworzy nowa pare kluczy RSA
using (RSACryptoServiceProvider myRsa = new RSACryptoServiceProvider())
{
//Szyfrujemy text i zapisujemy do bazy
byte[] encrypted_data = AesEncrypt(content, myAes.Key, myAes.IV);
//Szyfrujemy klucz i zapisujemy do bazy
RSAParameters RSAKeyInfo = new RSAParameters();
RSAKeyInfo = myRsa.ExportParameters(false);
RSAKeyInfo.Modulus = account.PublicKey;
RSAKeyInfo.Exponent = account.Exponent;
myRsa.ImportParameters(RSAKeyInfo);
byte[] encrypted_key = AesKeyEncrypt(myAes.Key, myAes.IV, myRsa.ExportParameters(false));
post.Content = encrypted_data;
post.Key = encrypted_key;
return post;
}
}
}
catch (Exception e)
{
throw new Exception(e.Message);
}
}
