Upgrades the password hash algorithm and converts old passwords on the fly.
- Extensible hashing algorithms (includes argon2i, mybb_argon2i, bcrypt, mybb_bcrypt, sha512_bcrypt out of the box),
- On-the-fly algorithm conversion and upgrades,
- Algorithm wrapping,
- Hash encryption (with keys stored in config.php and environment variables),
- Algorithm downgrades (e.g. for MyBB installer compatibility)
Quote: