libghc-pwstore-fast-dev software package provides secure password storage, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libghc-pwstore-fast-dev
libghc-pwstore-fast-dev is installed in your system.
Make ensure the libghc-pwstore-fast-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libghc-pwstore-fast-dev *
You will get with libghc-pwstore-fast-dev package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Haskell |
| Package | libghc-pwstore-fast-dev |
| Version | 2.2-2+b5 [sparc], 2.2-2+b4 [am |
| Description | secure password storage |
| Sub Section | Haskell |