public ActionResult Index(AsymmetricModel model)
{
if (model.Action == "encrypt")
{
var plainTextAsBytes = Encoding.Unicode.GetBytes(model.PlainText);
var recipientCertificate = LoadCertificate(model.RecipientThumbprint);
var encryptionProvider =
(RSACryptoServiceProvider)recipientCertificate.PublicKey.Key;
byte[] cipherTextAsBytes = encryptionProvider.Encrypt(plainTextAsBytes, true);
model.CipherText = Convert.ToBase64String(cipherTextAsBytes);
model.PlainText = string.Empty;
}
else if (model.Action == "decrypt")
{
var cipherTextAsBytes = Convert.FromBase64String(model.CipherText);
var recipientCertificate = LoadCertificate(model.RecipientThumbprint);
var decryptionProvider =
(RSACryptoServiceProvider)recipientCertificate.PrivateKey;
byte[] plainTextAsBytes = decryptionProvider.Decrypt(cipherTextAsBytes, true);
model.CipherText = string.Empty;
model.PlainText = Encoding.Unicode.GetString(plainTextAsBytes);
}
ModelState.Clear();
return(View(model));
}
public ActionResult Index()
{
var model = new AsymmetricModel();
model.RecipientThumbprint = EncryptAndDecryptThumbprint;
return(View(model));
}
