Software

RNP

C++ OpenPGP library and tools

Written in C++

Installation

via Homebrew

brew tap rnpgp/rnp

brew install rnp

More platforms (Windows, Ubuntu, FreeBSD) in the installation guide.

RNP is a set of openly-licensed OpenPGP (RFC4880) tools that works on all major platforms, including Windows, macOS, Linux and *BSD.

This includes the executables rnp for handling OpenPGP data and rnpkeys for key management. librnp is the core library used for all OpenPGP functions.