Takes the DES module supplied by Ian Lynagh and wraps it so it can
used with the standard modes.
|Basic DES encryption which takes a key and a block of plaintext
and returns the encrypted block of ciphertext according to the standard.
|Basic DES decryption which takes a key and a block of ciphertext and
returns the decrypted block of plaintext according to the standard.
|Produced by Haddock version 2.6.1|