Noise Protocol Framework

Read Specification

Crypto protocols that are simple, fast, and secure

Noise is a framework for building crypto protocols. Noise protocols support mutual and optional authentication, identity hiding, forward secrecy, zero round-trip encryption, and other advanced features.


The main document is the Noise Protocol Framework. Several extensions are being developed, including the NoiseSocket protocol.


Open source implementations exist in C, Go, Haskell, Java, Javascript, Python, and Rust.

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Visit the wiki for more info, explanations, and work-in-progress specs and code.


Noise is currently used by WhatsApp, WireGuard, and Lightning.