Install libghc-cipher-des-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-cipher-des-doc
Description:
DES and 3DES ciphers; documentation
DES and 3DES cipher primitives. . This package provides the documentation for a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Homepage: http://github.com/vincenthz/hs-crypto-cipher
Version: 0.0.6-7build7
Section: universe/doc