/usr/lib/ghc-doc/hoogle/cryptohash-cryptoapi.txt is in libghc-cryptohash-cryptoapi-doc 0.1.0-1build5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-cryptohash-cryptoapi-doc/html/cryptohash-cryptoapi.txt