aesfix software package provides tool for correcting bit errors in an AES key schedule, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install aesfix
aesfix is installed in your system.
Make ensure the aesfix package were installed using the commands given below,
$ sudo dpkg-query -l | grep aesfix *
You will get with aesfix package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Miscellaneous |
| Package | aesfix |
| Version | 1.0.1-2 |
| Description | tool for correcting bit errors in an AES key schedule |
| Sub Section | misc |