Everything is done on-the-fly, as nothing else works. In addition, dm-crypt only handles the block layer, i.e. not files. For file-handling look at standard filesystem documentation or an introductory OS text. Arno On Sat, Apr 03, 2010 at 12:30:52AM +0100, Oscar wrote: > hey all! i was wondering how dm-crypt works after a partition has already > been encrypted. In a situation like: > 1. Starting from an empty disk you create a partition encrypted with dmcrypt > 2. Once you have the partition encrypted, you decrypted in order to be able > to use it and read and/or write on it > 3. Once you have written on it... what happens next? > > Does dm-crypt re-encrypt the whole partition before closing it? Does it > encrypt it while you write on the partition? What if you change a file at > the beginning of the partition and make it bigger? does that action produce > a displacement in all the following bytes? > _______________________________________________ > dm-crypt mailing list > dm-crypt@xxxxxxxx > http://www.saout.de/mailman/listinfo/dm-crypt -- Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@xxxxxxxxxxx GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F ---- Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans If it's in the news, don't worry about it. The very definition of "news" is "something that hardly ever happens." -- Bruce Schneier _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt
