para activar a encriptação por hardware nesta board temos que activar os módulos cryptosoft, cryptodev e ocf:
# modprobe cryptodev
# modprobe geode-aes
# modprobe cryptosoft
para testar:
openssl speed -evp aes-128-cbc -engine cryptodev
http://www.punknix.com/node/120
http://list.voyage.hk/pipermail/voyage-linux/2010-February/012511.html