How to Solve the Error “bd_crypto_luks_open_blob called, but not implemented”

The mentioned error appears when attempting to open LUKS2 (Linux Unified Key Setup) encrypted devices using PCManFM-Qt file manager in Lubuntu 18.04 LTS (Bionic Beaver). But it’s easy to solve, don’t worry.

a) Installing

Actually you need a package named libblockdev-crypto2.
sudo apt install libblockdev-crypto2

b) Restarting

Then restart udisks2.service.
sudo systemctl restart udisks2.service
The problem should be solved now. Try mounting the desired device again.

Documentation

• https://packages.ubuntu.com/bionic/libblockdev-crypto2