This is a Rust implementation of the Mozilla Archive (MAR) file format used to deliver automatic updates to Firefox. It includes both a library and a command-line tool for reading and writing MAR files.

• Documentation
• crates.io

Currently supports:

• Extracting MAR archives

Not yet supported:

• Creating MAR archives
• Signing MAR archives
• Verifying signed MAR archives

This code is subject to the terms of the Mozilla Public License, v. 2.0.