On Fri, 15 Mar 2013 09:10:11 +1000 Anthony Thyssen <a.thys...@griffith.edu.au> wrote:
> On Wed, 13 Mar 2013 23:53:55 +0100 > jboogie <jbj...@lavabit.com> wrote: > | Hi, total newbie to encfs here. When creating an encrypted > directory by | first mounting it, I get a warning that "the external > | initialization-vector chaining option" is enabled and this will > disable | hard links, which I need in my encrypted directory. > | > | I couldn't find anything with a quick search (unfortunately couldn't > | figure out on sourceforge if the list's archives are searchable)... > so, | is it possible to have hard links and if yes how? > | > | best regards, > | renato > | > When a file is encrypted the encryption needs an initial number to > start encrypting from (more or less, its a simplification). > > initialization-vector chaining option, means base that number on the > full path and filename of the file in the mounted encfs filesystem. > > But if the full name and path is used, than any hard link to the file > which is essentially just a different path and filename to exactly the > same file on disk, you essentially have two paths and two different > initialization vectors for the file. As such only one of them is > going to work! > > Hardlinks do not work with "initialization-vector chaining". > However Symbolic Links do work fine, and so you can have the file > on a disk and symbolic links pointing to that one file. > > However neither option works with a VFat or other non-UNIX style of > filesystem. Hi, thanks for reply. So, if I understand the man page correctly, if I want hard links I'll have to go into expert mode and *not* enable the following filename initialization vector chaining per-file initialization vectors external IV chaining but I can enable "add random bytes to each block"... am I right? And the only thing I will loose security-wise is that it will be possible to tell if two encrypted files (or parts of them) are identical, right? cheers, renato ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_mar _______________________________________________ Encfs-users mailing list Encfs-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/encfs-users
