Install libghc-drbg-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-drbg-doc
Description:
Cryptographically secure RNGs; documentation
This package contains a "Deterministic Rrandom Bit Generator" (aka RNG, PRNG) and HMACs, Hashes, and Ciphers based on it. . 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://hackage.haskell.org/package/DRBG
Version: 0.5.5-3build11
Section: universe/doc