Install libghc-openpgp-asciiarmor-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-openpgp-asciiarmor-dev
Description:
OpenPGP (RFC4880) ASCII Armor codec
This library does encoding and decoding of OpenPGP ASCII armor. . This package provides a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Homepage: http://floss.scru.org/openpgp-asciiarmor
Version: 0.1-9build7
Section: universe/haskell