public static RSAViewModel rsa2(RSAViewModel model)
{
try
{
int keySize = 1024;
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(keySize);
RSAParameters publickey = rsa.ExportParameters(false); // don't export private key
RSAParameters privatekey = rsa.ExportParameters(true); // export private key
//\b 123\b0
model.PublicKey = "e=" + ByteToString(publickey.Exponent) + Environment.NewLine + "n=" + ByteToString(publickey.Modulus);
model.PrivateKey = "d=" + ByteToString(privatekey.D) + Environment.NewLine + "n=" + ByteToString(publickey.Modulus);
rsa.ImportParameters(publickey);
byte[] encryptedData = rsa.Encrypt(StringToByte(model.PlainText), true);
model.CipherText = ByteToString(encryptedData);
rsa.ImportParameters(privatekey);
byte[] decryptedData = rsa.Decrypt(encryptedData, true);
model.DecryptedText = ByteToAscii(decryptedData);
}
catch (CryptographicException ex)
{
}
return(model);
}
public static RSAViewModel rsa2(RSAViewModel model)
{
try
{
int keySize = 1024;
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(keySize);
RSAParameters publickey = rsa.ExportParameters(false); // don't export private key
RSAParameters privatekey = rsa.ExportParameters(true); // export private key
//\b 123\b0
model.PublicKey = "e=" + ByteToString(publickey.Exponent) + Environment.NewLine + "n=" + ByteToString(publickey.Modulus);
model.PrivateKey = "d=" + ByteToString(privatekey.D) + Environment.NewLine + "n=" + ByteToString(publickey.Modulus);
rsa.ImportParameters(publickey);
byte[] encryptedData = rsa.Encrypt(StringToByte(model.PlainText), true);
model.CipherText=ByteToString(encryptedData);
rsa.ImportParameters(privatekey);
byte[] decryptedData = rsa.Decrypt(encryptedData, true);
model.DecryptedText = ByteToAscii(decryptedData);
}
catch (CryptographicException ex)
{
}
return model;
}
public ActionResult RSA(RSAViewModel model)
{
RSAViewModel viewModel = RSAUtility.rsa2(model);
ModelState.Clear();
return View(viewModel);
}
public ActionResult RSA()
{
RSAViewModel model = new RSAViewModel();
return View(model);
}