ccrypt software package provides secure encryption and decryption of files and streams, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ccrypt
ccrypt is installed in your system.
Make ensure the ccrypt package were installed using the commands given below,
$ sudo dpkg-query -l | grep ccrypt *
You will get with ccrypt package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Utilities |
| Package | ccrypt |
| Version | 1.10-4 |
| Description | secure encryption and decryption of files and streams |
| Sub Section | Utils |