K 10
svn:author
V 3
pjd
K 8
svn:date
V 27
2010-09-23T11:49:47.316488Z
K 7
svn:log
V 199
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

END