libghc-securemem-dev 0.1.9-3build1 (armhf binary) in ubuntu xenial

 SecureMem is similar to ByteString, except that it provides a memory
 chunk that will be auto-scrubbed after it run out of scope.
 .
 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.