E2EE Protocol
End-to-End Encryption protocol for WebSocket messaging. Messages are encrypted on the sender and can only be decrypted by the intended recipient — the server never sees plaintext.
End-to-End Encryption protocol for WebSocket messaging. Messages are encrypted on the sender and can only be decrypted by the intended recipient — the server never sees plaintext.
End-to-end-encrypted direct + group messaging subprotocol. The server only sees ciphertext — keys are exchanged client-to-client.
TsgcWSPClient_E2EE
End-to-end encryption over a WebSocket carrier
Windows, macOS, Linux, iOS, Android
Enterprise
Set a UserId, send DirectMessage or CreateGroup + JoinGroup + SendGroupMessage; keys negotiated transparently.
uses
sgcWebSocket, sgcWebSocket_Server, sgcWebSocket_Protocol_E2EE_Server,
sgcWebSocket_Protocol_E2EE_Client;
// --- Server -----------------------------------------------
ServerE2EE := TsgcWSPServer_E2EE.Create(nil);
ServerE2EE.Server := WSServer;
// --- Client -----------------------------------------------
ClientE2EE := TsgcWSPClient_E2EE.Create(nil);
ClientE2EE.Client := WSClient;
ClientE2EE.E2EE_Options.UserId := 'alice';
WSClient.Active := True;
// 1-to-1 encrypted direct message
ClientE2EE.SendDirectMessage('bob', 'hello bob');
// Group chat — create, join, broadcast
ClientE2EE.CreateGroup('team-42');
ClientE2EE.JoinGroup('team-42');
ClientE2EE.SendGroupMessage('team-42', 'standup at 10');
ClientE2EE.LeaveGroup('team-42');5 published properties, 9 methods, 19 events — pulled from the component reference.
Published properties: Client, Broker, Guid.
Events: OnConnect, OnDisconnect, OnError.
Methods: WriteData.
Published properties: Version.
Properties: E2EE_Options.
Methods: Subscribe, UnSubscribe.
Authoritative sources for the protocols this component implements.
Deep-link to the component reference, grab the ready-to-run demo project, and download the trial.
| Demo Project — Demos\Protocols\E2EE Ready-to-run example project. Ships inside the sgcWebSockets package — download the trial below. | Open | |
| Technical Document (PDF) Features, quick start, code samples for Delphi & C++ Builder and primary-source references — this component only. | Open | |
| User Manual (PDF) Comprehensive manual covering every component in the library. | Open |