private void btnEncrypt_Click(object sender, EventArgs e)
{
if (!string.IsNullOrEmpty(textBox1.Text))
{
textBox2.Text = AsymmetricEncryption.EncryptText(textBox1.Text, keySize, publicKey);
}
}
public static string RSAEncrypt(this string s)
{
const int keySize = 2048;
var key = AsymmetricEncryption.PemToXml(Settings.RSAKey);
var base64Card = Convert.ToBase64String(Encoding.UTF8.GetBytes(s));
return(AsymmetricEncryption.EncryptText(base64Card, keySize, key));
}
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));
}
private static void ForTempSave(string userName)
{
const int keySize = 2048;
string publicAndPrivateKey;
string publicKey;
var root = new XElement("Root");
root.SetAttributeValue(Constants._ID, Guid.NewGuid().ToString());
AsymmetricEncryption.GenerateKeys(keySize, out publicKey, out publicAndPrivateKey);
Console.WriteLine(@"public key:" + publicKey);
Console.WriteLine(@"public & private key:" + publicAndPrivateKey);
root.SetAttributeValue("PublicKey", publicKey);
root.SetAttributeValue("PublicAndPrivateKey", publicAndPrivateKey);
var productid = AsymmetricEncryption.GetProductId();
root.SetAttributeValue("ProductId", productid);
//string userName = "******";
var text = userName + productid;
var encrypted = AsymmetricEncryption.EncryptText(text, keySize, publicKey);
Console.WriteLine(@"Encrypted: {0}", encrypted);
//send encrypted data to service
File.WriteAllText(userName + ".pem",
@"UserName:
"******"
Public Key:" + publicKey + @"
Public and Private Key:
" +
publicAndPrivateKey + @"Secrect:
" + encrypted + @"
For Test:
" + productid);
var decrypted = AsymmetricEncryption.DecryptText(encrypted, keySize, publicAndPrivateKey);
//service person do below
Console.WriteLine(@"Decrypted: {0}", decrypted);
// Configuration.Set("UserName", userName);
// Configuration.Set("PublicKey", publicKey);
// Configuration.SaveSettings();
DBFactory.GetData().Save(root);
Console.WriteLine(DBFactory.GetData().Read("a02cf4ad-ba0c-4c69-9f7c-e7d73a8fecad"));
}
String EncryptToServer(String text)
{
String encrypted = AsymmetricEncryption.EncryptText(text, KEYSIZE, _publicServerKey);
return(encrypted);
}
String EncryptToClient(String text)
{
String encrypted = AsymmetricEncryption.EncryptText(text, KEYSIZE, _publicClientKey);
return(encrypted);
}
