You can store the settings file .encfs6.xml on a local disk, for example, and mount the repository as follows:
ENCFS6_CONFIG=/path/to/encfs6.xml encfs /path/to/encrypt /path/to/decrypt
If such option is eliminated, can add complexity to the cracker's analysis of the data using the --anykey option, when one encfs directory you can store an unlimited number of files (sets of files), each of which is encrypted with a unique password.
And so, encfs enough vulnerabilities and weaknesses without your passphrase. Here are the results of the latest security auditing: www.opennet.ru/opennews/art.shtml?num=38869