It supports secure storage at the system level through a standard Unix file system interface to encrypted files.
Users associate a cryptographic key with the directories they wish to protect.
CFS employs a novel combination of DES stream and codebook cipher modes to provide high security with good performance on a modern workstation. System management functions, such as file backup, work in a normal manner and without knowledge of the key. This version works under most BSD-derived Unix systems and should now run without modification under most current Linux releases as well. It supports secure storage at the system level through a standard Unix file system interface to encrypted files. Users associate a cryptographic key with the directories they wish to protect.