In article <[🔎] 20050617064603.GA21188@cirrus.madduck.net> you wrote: > Of course blocks are small, e.g. 64 bytes. However, doesn't CBC or > EBC make sure that every block is chained to its predecessor, making > even the very last block of a file dependent on the bits of the very > first block? It is therefore better to use counter mode for clusters. Bernd