/usr/share/emacs/site-lisp/ is in mailcrypt 3.5.9-7.
This file is owned by root:root, with mode 0o755.
..
/usr/share/emacs/site-lisp/mailcrypt/
/usr/share/emacs/site-lisp/mailcrypt-init.el
/usr/share/emacs/site-lisp/mailcrypt/FSF-timer.el
/usr/share/emacs/site-lisp/mailcrypt/Makefile.in
/usr/share/emacs/site-lisp/mailcrypt/configure
/usr/share/emacs/site-lisp/mailcrypt/expect.el
/usr/share/emacs/site-lisp/mailcrypt/install-sh
/usr/share/emacs/site-lisp/mailcrypt/load-path.hack
/usr/share/emacs/site-lisp/mailcrypt/mailcrypt.el
/usr/share/emacs/site-lisp/mailcrypt/mc-gpg.el
/usr/share/emacs/site-lisp/mailcrypt/mc-pgp.el
/usr/share/emacs/site-lisp/mailcrypt/mc-pgp5.el
/usr/share/emacs/site-lisp/mailcrypt/mc-pgp6.el
/usr/share/emacs/site-lisp/mailcrypt/mc-remail.el
/usr/share/emacs/site-lisp/mailcrypt/mc-remail2.el
/usr/share/emacs/site-lisp/mailcrypt/mc-setversion.el
/usr/share/emacs/site-lisp/mailcrypt/mc-toplev.el
/usr/share/emacs/site-lisp/mailcrypt/tests/
/usr/share/emacs/site-lisp/mailcrypt/tests/Makefile.in
/usr/share/emacs/site-lisp/mailcrypt/tests/remailer/
/usr/share/emacs/site-lisp/mailcrypt/tests/remailer/Makefile.in