Shecretbox is a Haskell library that provides NaCl's box and secretbox operations, based on primitives provided in cryptonite.
Important: This library is provided as a proof of concept, please carefully evaluate the security related to your requirements before using. No professional security review has taken place for the implementations, and it is strongly recommended not to use this library for anything critical.
Qualified imports are recommended for use:
import qualified Crypto.PubKey.Curve25519 as X25519
import qualified Crypto.Box as Box
message, nonce :: B.ByteString
secret :: X25519.DhSecret
encrypted :: B.ByteString
encrypted = Box.create message nonce secret
decrypted :: B.ByteString
decrypted = Box.open encrypted nonce secret