Here's a list of hashes from the build I have.
https://www.mediafire.com/file/1n0bl9t0 ... s.zip/file

PS: Not the right person

Made an unpacker.

No keys provided for the time being, so use it as a reference for the time being, but do note that it uses the same annoying hashing.
https://github.com/Nenkai/TCMotorfest.Unpacker

If there's still any interest of any kind (i.e modding), i've documented the format. It was able to parse some car model files entirely.
https://github.com/Nenkai/010GameTempla ... pak_hrd.bt

Made some fixes.
https://github.com/Nenkai/PCarsTools/releases/tag/1.0.1

No output directory for TOC handling is intended mostly due to how Project Cars GO works (where all files are not packed, but encrypted/compressed in-place).

Made tools for unpacking PAK & TOC with path names, and decrypting MEB.
https://github.com/Nenkai/PCarsTools

I have released an unpacker for .ndx/.dat files. It has been tested with 1.28. It is unrelated to RPK/Resource Packs however, those are containers with all sorts of data. https://github.com/Nenkai/DriveClubFS https://i.imgur.com/1HHxAJb.png Additionally i've figured and documented the RPK ToC. https...