High‑performance, encrypted message transmission with hybrid encryption, mutual TLS, and exactly‑once delivery with zero message loss.
RSA + AES‑GCM for session key exchange and message authentication.
Sender & server retry until acknowledgments are confirmed.
Deduplication via message_id prevents reprocessing.
Built with Tokio and DashMap for high concurrency.
Exchanges and queues with routing keys for flexible delivery.
Mutual TLS secures every connection; Rust ensures memory safety.