Pawel Jakub Dawidek c6a26d4c88 Implement switching of data encryption key every 2^20 blocks.
This ensures the same encryption key won't be used for more than
2^20 blocks (sectors). This will be the default now.

MFC after:	1 week
2010-09-23 11:49:47 +00:00
..
2006-02-01 12:06:01 +00:00
2006-02-01 12:06:01 +00:00