nettle-bin software package provides low level cryptographic library (binary tools), you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install nettle-bin
nettle-bin is installed in your system.
Make ensure the nettle-bin package were installed using the commands given below,
$ sudo dpkg-query -l | grep nettle-bin *
You will get with nettle-bin package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Miscellaneous |
| Package | nettle-bin |
| Version | 2.7.1-1ubuntu0.1 [amd64, i386] |
| Description | low level cryptographic library (binary tools) |
| Sub Section | misc |