cl-ironclad software package provides cryptographic toolkit written in Common Lisp, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cl-ironclad
cl-ironclad is installed in your system.
Make ensure the cl-ironclad package were installed using the commands given below,
$ sudo dpkg-query -l | grep cl-ironclad *
You will get with cl-ironclad package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Lisp |
| Package | cl-ironclad |
| Version | 0.33.0-1 |
| Description | cryptographic toolkit written in Common Lisp |
| Sub Section | Lisp |