public JsonResult SymmetricEncrypt(WebSecurity.Models.EncryptionModel encryption, string ButtonType)
{
var result = new EncryptionModel();
var symEncryption = new SymmetricEncryption();
SymmetricAlgorithm symAlgo = new AesManaged();
symAlgo.Padding = PaddingMode.PKCS7;
var key = string.Empty;
var iv = string.Empty;
if (!string.IsNullOrEmpty(encryption.PrivateKey) && !string.IsNullOrEmpty(encryption.InitializationVector))
{
symAlgo.Key = Convert.FromBase64String(encryption.PrivateKey);
symAlgo.IV = Convert.FromBase64String(encryption.InitializationVector);
}
else
{
key = Convert.ToBase64String(symAlgo.Key);
iv = Convert.ToBase64String(symAlgo.IV);
}
if (ButtonType == "Encrypt")
{
var encryptedText = symEncryption.EncryptText(symAlgo, encryption.PlainText);
result = new EncryptionModel()
{
EncryptedText = encryptedText,
PlainText = encryption.PlainText,
InitializationVector = iv,
PrivateKey = key
};
}
else if (ButtonType == "Decrypt")
{
var plainText = symEncryption.DecryptData(symAlgo, encryption.EncryptedText);
result = new EncryptionModel()
{
EncryptedText = encryption.EncryptedText,
PlainText = plainText,
PrivateKey = encryption.PrivateKey,
InitializationVector = encryption.InitializationVector
};
}
return(Json(result));
}
public JsonResult AsymmetricEncrypt(WebSecurity.Models.EncryptionModel encryption, string ButtonType)
{
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
string publicKey = string.Empty; // false to get the public key
string privateKey = string.Empty; // true to get the private key
if (!string.IsNullOrEmpty(encryption.PublicKey) && !string.IsNullOrEmpty(encryption.PrivateKey))
{
publicKey = HttpUtility.HtmlDecode(encryption.PublicKey);
privateKey = HttpUtility.HtmlDecode(encryption.PrivateKey);
}
else
{
publicKey = rsa.ToXmlString(false); // false to get the public key
privateKey = rsa.ToXmlString(true); // true to get the private key
}
var result = new EncryptionModel();
var asymEncryption = new AsymmetricEncryption();
if (ButtonType == "Encrypt")
{
var encryptedText = asymEncryption.EncryptText(publicKey, encryption.PlainText);
result = new EncryptionModel()
{
EncryptedText = encryptedText,
PlainText = encryption.PlainText,
PublicKey = HttpUtility.HtmlEncode(publicKey),
PrivateKey = HttpUtility.HtmlEncode(privateKey)
};
}
else if (ButtonType == "Decrypt")
{
var plainText = asymEncryption.DecryptData(HttpUtility.HtmlDecode(encryption.PrivateKey), encryption.EncryptedText);
result = new EncryptionModel()
{
EncryptedText = encryption.EncryptedText,
PlainText = plainText,
PublicKey = HttpUtility.HtmlEncode(publicKey),
PrivateKey = HttpUtility.HtmlEncode(privateKey)
};
}
return(Json(result));
}
