pipesocks is a very secure and convenient network proxy system.
Visit GitHub for the source of this project: https://github.com/pipesocks/pipesocks-iOS
the source of the core library, NEKit: https://github.com/pipesocks/NEKit
and the source of the encryption library, libsodium: https://github.com/zhuhaow/Sodium-framework and https://github.com/jedisct1/libsodium