parchive - 1.1-4.2 main

This utility applies the data-recovery capability concepts of RAID-like
systems to the posting and downloading of multi-part archives on USENET by
providing the ability to create and use redundant recovery records. It
supports the 'Reed-Soloman Code' implementation that allows for recovery of
any 'X' volumes for 'X' parity volumes present. It is popularly used on
USENET postings, but is not limited to this use.
.
The Debian parchive package supports "legacy" version 1.0 PAR files.
The Debian par2 package supports version 2.0 PAR files.
.
Upstream source: http://parchive.sourceforge.net/