Install libghc-crypto-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-crypto-doc
Description:
cryptographical algorithms for Haskell; documentation
This package contains the following cryptographical algorithms: * DES * Blowfish * AES * TEA * SHA1 * MD5 * RSA * BubbleBabble * Hexdump * Support for Word128, Word192 and Word256 and Beyond * PKCS5 * Padding * Various Encryption Modes e.g. Cipher Block Chaining . 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/Crypto
Version: 4.2.5.1-7build2
Section: universe/doc