keyutils software package provides Linux Key Management Utilities, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install keyutils
keyutils is installed in your system.
Make ensure the keyutils package were installed using the commands given below,
$ sudo dpkg-query -l | grep keyutils *
You will get with keyutils package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Administration Utilities |
| Package | keyutils |
| Version | 1.5.9-5+b1 |
| Description | Linux Key Management Utilities |
| Sub Section | Admin |