asymmetric cryptography

ZhongAn Tech Team

Oct 9, 2023 · Information Security

Network Security Communication: Principles, Protocols, and Implementation in the ZA App

This article explains the fundamentals of symmetric and asymmetric encryption, one‑way and trapdoor functions, forward secrecy, TLS handshake, and how the ZA financial app applies a multi‑layered secure communication protocol—including certificate verification, replay protection, payload encryption, and request signing—to achieve robust, high‑performance network security across iOS, Android, and web platforms.