hna_help =
  [ "Controls the default width (in bytes) of the salt generated for the PBKDF2"
  , "function used to generate the MACs."
  ]
hna_help =
  [ "Controls the default width (in bytes) of the salt generated for the PBKDF2"
  , "function used to generate the MACs."
  ]
hna_help =
  [ "Controls the default width (in bytes) of the salt generated for the PBKDF2"
  , "function used to generate the MACs."
  ]