directory/...
known-plaintext hash of the assigned keys.
Change passphrase on cfs directory
cpasswd directory
cpasswd changes the passphrase associated with a Cryptographic File System (CFS) directory. cpasswd prompts for the old passphrase, and, if it is correct, a new passphrase, which must be entered twice. Passphrases must contain at least a minimum number of characters (currently 16).
Only new format (CFS 1.3 or later) directories can have their passphrases changed.
directory/...
known-plaintext hash of the assigned keys.
directory/..c
identifies the cipher algorithm.
directory/..k
encrypted key file
Unchanged in 3 releases since Debian 3.0 (Woody).