private void HandleSendEncryptionKey(byte[] requester, byte[] requestContent, RouterSocket router,
Guid requesterIdentity)
{
if (_encryptionKeys.ContainsKey(requesterIdentity))
{
ErrorMessageSender.SendError(requester, router, ErrorCode.EncryptionKeyAlreadySent);
}
var encryptionKey = _decryptor.Decrypt(requestContent);
StoreEncryptionKey(requesterIdentity, JsonConvert.DeserializeObject <EncryptionKey>(encryptionKey));
var challenge = ChallengeGenerator.Generate(requesterIdentity);
var solution = ChallengeSolver.Solve(challenge);
SaveSolutionForRequester(requesterIdentity, solution);
SendChallenge(requester, requesterIdentity, router, challenge);
}
private void HandleChallengeResponse(byte[] requester, byte[] requestContent, RouterSocket router,
Guid requesterIdentity)
{
lock (_solutions)
{
if (!_solutions.ContainsKey(requesterIdentity))
{
ErrorMessageSender.SendError(requester, router, ErrorCode.ChallengeFailed);
}
}
var solutionDecryptedJson = GetDecryptorFor(requesterIdentity).Decrypt(requestContent);
if (ChallengeResponseIsCorrect(requesterIdentity,
JsonConvert.DeserializeObject <Solution>(solutionDecryptedJson)))
{
RemoveSolutionForRequester(requesterIdentity);
SendAcknowledge(requester, router);
return;
}
RemoveSolutionForRequester(requesterIdentity);
ErrorMessageSender.SendError(requester, router, ErrorCode.ChallengeFailed);
}
