Package: dmg2img

"dmg2img" package binaries on CentOS:

/usr/bin/dmg2img /usr/bin/vfdecrypt

You may install this package on CentOS with yum install dmg2img

"dmg2img" package binaries on Debian:

/usr/bin/dmg2img /usr/bin/vfdecrypt

You may install this package on Debian with apt-get install dmg2img