private static PublicKeyResponse GetPublicKeyMessageId()
{
PublicKeyResponse resp = new PublicKeyResponse();
try
{
HttpRequestMessage requestMessage = new HttpRequestMessage(HttpMethod.Get, _publicKeyServiceUri);
requestMessage.Headers.ExpectContinue = false;
HttpClient httpClient = new HttpClient();
httpClient.Timeout = new TimeSpan(0, 10, 0);
Task <HttpResponseMessage> httpRequest = httpClient.SendAsync(requestMessage,
HttpCompletionOption.ResponseContentRead, CancellationToken.None);
HttpResponseMessage httpResponse = httpRequest.Result;
HttpStatusCode statusCode = httpResponse.StatusCode;
HttpContent responseContent = httpResponse.Content;
if (responseContent != null)
{
Task <String> stringContentsTask = responseContent.ReadAsStringAsync();
String stringContents = stringContentsTask.Result.Replace("$", string.Empty);
XmlDocument doc = (XmlDocument)JsonConvert.DeserializeXmlNode(stringContents, "root");
XmlElement root = doc.DocumentElement;
XmlNode messageIdNode = root.SelectSingleNode("MessageId");
resp.MessageId = Guid.Parse(doc.DocumentElement.SelectSingleNode("MessageId").InnerText);
RSACryptoServiceProvider rsaProvider = new RSACryptoServiceProvider();
rsaProvider.FromXmlString(doc.DocumentElement.SelectSingleNode("PublicKeyXml").InnerXml);
resp.RsaPublicKey = rsaProvider;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
return(resp);
}
static void Main(string[] args)
{
PublicKeyResponse publicKeyResponse = GetPublicKeyMessageId();
if (publicKeyResponse.MessageId != null && publicKeyResponse.RsaPublicKey != null)
{
Console.Write("Public key request successful. Enter your message: ");
string message = Console.ReadLine();
SymmetricAlgorithmService symmetricService = new SymmetricAlgorithmService();
SymmetricEncryptionResult symmetricEncryptionResult = symmetricService.Encrypt(message);
AsymmetricEncryptionService asymmetricService = new AsymmetricEncryptionService(publicKeyResponse.RsaPublicKey);
string encryptedAesPublicKey = asymmetricService.GetCipherText(ConfigurationManager.AppSettings["RijndaelManagedKey"]);
SendMessageArguments sendMessageArgs = new SendMessageArguments()
{
EncryptedPublicKey = encryptedAesPublicKey,
SymmetricEncryptionArgs = symmetricEncryptionResult, MessageId = publicKeyResponse.MessageId
};
string jsonifiedArgs = JsonConvert.SerializeObject(sendMessageArgs);
SendSecretMessageToReceiver(jsonifiedArgs);
}
else
{
Console.WriteLine("Public key request failed.");
}
Console.ReadKey();
}
