Haskell port of the Hashids library. http://hashids.org
cabal install hashids
or using Stack:
stack install hashids
{-# LANGUAGE OverloadedStrings #-}
module Main where
import Web.Hashids
main :: IO ()
main = do
let hashids = hashidsSimple "this is my salt"
ids = encodeList hashids [1, 2, 3]
numbers = decode hashids ids
print (ids, numbers)