It can be loaded using code, config file or command line and
will pass any function call by openssl to a PKCS#11 module.
Engine_pkcs11 is meant to be used with smart cards and software
for using smart cards in PKCS#11 format, such as OpenSC.
WWW: http://www.opensc-project.org/engine_pkcs11/
Note: the port requires the OpenSSL installed from ports,
since dynamic engine loading is disabled in base system.
See PR bin/79570 for details.