Signature Check

Check integrity of GOG games and goodies.

Filetypes: 7Z, AVI, BIN, EXE, GZ, JPG, MKV, MP4, PDF, PNG, RAR, ZIP.

Usage

sigchk [OPTION]... [FILE]...

Options

-f, --fingerprint show unknown installer fingerprints

-t, --timestamp try to recover modification dates

-s, --strict verify installer authenticity

--ignore-missing ignore missing installer BINs

--no-exceptions do not use built-in checksums

--no-cert-exceptions do not use built-in certificates

--no-local do not use local checksums

-c, --colour colourize the output

-q, --quiet quiet mode

Requirements

sh python awk bzip2 coreutils find grep gzip openssl sed tar unzip xxd xz

Optional Packages

7zip-full ar attr b2sum brotli ffmpeg ghostscript imagemagick jpeginfo moreutils parallel pngcheck unrar zip zstd

Supported OS

Guaranteed to work on GNU/Linux like Debian 10, Ubuntu 20.04 or higher