open-l2encdec

A tool for encrypting and decrypting Lineage 2 game files across multiple protocols and platforms.
Based on l2encdec by DStuff and L2crypt by acmi.

Supported protocol headers (Lineage2Ver###)

• XOR: 111, 120, 121
• Blowfish: 211, 212
• RSA: 411, 412, 413, 414 - l2encdec key by default

Download

CLI usage and build options

Basic usage and other examples

Known issues

• Metadata is missing in 111, 120 and 121 tails when encrypting - original l2encdec bug
• Protocol 121 encryption and decryption require the original filename - specify the filename via options

Credits

• DStuff - l2encdec
• Hint - L2 file decoder
• acmi - L2crypt
• richgel999, Tenacious Software LLC, RAD Game Tools, Valve Software - miniz
• Trusted Firmware - MbedTLS
• avinal - blowfish
• peterspackman - mingw-w64 toolchain for CMake

License

This project is licensed under MIT