private List <string> GetKeyCredentials()
{
RegistryKey keyCredential = GetCredentialRoute();
string credential1 = (string)keyCredential.GetValue(GlobalResources.Key1);
string credential2 = (string)keyCredential.GetValue(GlobalResources.Key2);
string credential3 = (string)keyCredential.GetValue(GlobalResources.Key3);
if (credential1 != null && credential2 != null && credential3 != null)
{
CryptographyManager objQueryTalkCryptography = new CryptographyManager();
//string decryptedsimkey = objQueryTalkCryptography.DecryptAsim(CryptoContext.CryptedSimKey, CryptoContext.RSAPrivateKey);
string user = objQueryTalkCryptography.DecryptSim(credential1, CryptoContext.ComunicationKey);
string password = objQueryTalkCryptography.DecryptSim(credential2, CryptoContext.ComunicationKey);
string rememberMe = objQueryTalkCryptography.DecryptSim(credential3, CryptoContext.ComunicationKey);
List <string> Keys = new List <string>()
{
user, password, rememberMe
};
return(Keys);
}
else
{
return(new List <string> {
"", "", ""
});
}
}
internal static string SendMessageLicense(string xmlMessage, string decryptedsimkey)
{
string responseStr = "";
Message xmlResponseMessage;
// get server response
responseStr = CommunicationManager.SendXmlMessage(xmlMessage, GlobalResources.LicenseAnonymousUrl);
if (string.IsNullOrEmpty(responseStr))
{
return(CommunicationManager.Deny(GlobalResources.ServerFailedMessage));
}
if (CommunicationManager.IsDenied(responseStr))
{
return(responseStr);
}
CryptographyManager objQueryTalkCryptography = new CryptographyManager();
responseStr = objQueryTalkCryptography.DecryptSim(responseStr, CryptoContext.ComunicationKey);
xmlResponseMessage = CommunicationManager.ReadXML(responseStr, decryptedsimkey, true);
if (!IsValidResponseNoUser(xmlResponseMessage as ResponseMessage))
{
return(CommunicationManager.Deny(GlobalResources.ServerFailedMessage));
}
return((xmlResponseMessage as ResponseMessage).Response);
}
private static string RegisterAnonymousEmail(string xmlMessage, string decryptedsimkey)
{
var responseStr = SendXmlMessage(xmlMessage, GlobalResources.RegisterAnonymousEmailUrl);
if (string.IsNullOrEmpty(responseStr))
{
return(Deny(GlobalResources.ServerFailedMessage));
}
if (IsDenied(responseStr))
{
return(responseStr);
}
CryptographyManager objQueryTalkCryptography = new CryptographyManager();
responseStr = objQueryTalkCryptography.DecryptSim(responseStr, CryptoContext.ComunicationKey);
var xmlResponseMessage = ReadXML(responseStr, decryptedsimkey, true);
//Los mensajes de los servicios de licenciamiento se verifica que no se alterara ninguno de los datos originalmente enviados
//y que hacen unica y universal la comunicación entre el usuario/machine/servidor
if (!IsValidResponse(xmlResponseMessage as ResponseMessage))
{
return(Deny(GlobalResources.ServerFailedMessage));
}
return((xmlResponseMessage as ResponseMessage).Response);
}
private static string SendMessageLicense(string xmlMessage, string decryptedsimkey, string user, string password)
{
string responseStr = "";
Message xmlResponseMessage;
responseStr = SendXmlMessage(xmlMessage, GlobalResources.LicenseUrl);
if (string.IsNullOrEmpty(responseStr))
{
return(Deny(GlobalResources.ServerFailedMessage));
}
if (IsDenied(responseStr))
{
return(responseStr);
}
//Los mensajes de los servicios de licenciamiento se encriptan doblemente en el servidor con el ComunicationKey
CryptographyManager objQueryTalkCryptography = new CryptographyManager();
responseStr = objQueryTalkCryptography.DecryptSim(responseStr, CryptoContext.ComunicationKey);
xmlResponseMessage = ReadXML(responseStr, decryptedsimkey, true);
//Los mensajes de los servicios de licenciamiento se verifica que no se alterara ninguno de los datos originalmente enviados
//y que hacen unica y universal la comunicación entre el usuario/machine/servidor
if (!IsValidResponse(xmlResponseMessage as ResponseMessage, user, password))
{
return(Deny(GlobalResources.ServerFailedMessage));
}
return((xmlResponseMessage as ResponseMessage).Response);
}
internal static Message ReadXML(string xmlString, Func <string, string> simKeyProvider, bool response)
{
Message message = response ? new ResponseMessage() : new Message();
CryptographyManager objCrypto = new CryptographyManager();
XmlNode node;
XmlDocument doc = new XmlDocument();
doc.LoadXml(xmlString);
node = doc.DocumentElement.SelectSingleNode("/message/block0/block0value1");
message.CommunicationID = node.InnerText;
// get symetric key
var simKey = simKeyProvider(message.CommunicationID);
node = doc.DocumentElement.SelectSingleNode("/message/block1/block1value1");
message.Command = objCrypto.DecryptSim(node.InnerText, simKey);
if (message.Command != Commands.VIEWLICENSE)
{
node = doc.DocumentElement.SelectSingleNode("/message/block2/block2value1");
message.CK = objCrypto.DecryptSim(node.InnerText, simKey);
}
node = doc.DocumentElement.SelectSingleNode("/message/block3/block3value1");
message.User = objCrypto.DecryptSim(node.InnerText, simKey);
node = doc.DocumentElement.SelectSingleNode("/message/block3/block3value2");
message.Password = objCrypto.DecryptSim(node.InnerText, simKey);
//Información necesaria solo para los servicios de licenciamiento
if (message.Command == Commands.AUTHENTICATE ||
message.Command == Commands.AUTHENTICATE_ANONYMOUS ||
message.Command == Commands.REMOVE ||
message.Command == Commands.REGISTEREMAIL)
{
node = doc.DocumentElement.SelectSingleNode("/message/block4/block4value1");
message.MK = objCrypto.DecryptSim(node.InnerText, simKey);
node = doc.DocumentElement.SelectSingleNode("/message/block4/block4value2");
message.ComputerName = objCrypto.DecryptSim(node.InnerText, simKey);
node = doc.DocumentElement.SelectSingleNode("/message/block4/block4value3");
message.Manufacturer = objCrypto.DecryptSim(node.InnerText, simKey);
node = doc.DocumentElement.SelectSingleNode("/message/block4/block4value4");
message.Model = objCrypto.DecryptSim(node.InnerText, simKey);
node = doc.DocumentElement.SelectSingleNode("/message/block4/block4value5");
message.Processor = objCrypto.DecryptSim(node.InnerText, simKey);
}
//Información usada para los responses desde el servidor
if (response)
{
node = doc.DocumentElement.SelectSingleNode("/message/block5/block5value1");
(message as ResponseMessage).Response = objCrypto.DecryptSim(node.InnerText, simKey);
}
if (message.Command == Commands.REGISTEREMAIL)
{
node = doc.DocumentElement.SelectSingleNode("/message/block6/block6value1");
message.Email = objCrypto.DecryptSim(node.InnerText, simKey);
}
return(message);
}
