It requires psecific attack situations. For example, some application could write data in a specific pattern that would then be visible in the raw container. Or you could determine the size of some files or the type of the filesystem. Not anything usually critical, but something to keep in mind and when being careful the crypto-wipe step is advisible. Arno On Fri, May 30, 2014 at 17:17:27 CEST, Stephen Cousins wrote: > Hi Heinz, > > I agree. The field, by it's very nature, has varying levels of paranoia > (rightly so as we are seeing these days) and this level is more than what I > need for my purposes so I can save some time by not having to send random > data to all of the drives during the build process. > > Steve > > > On Fri, May 30, 2014 at 11:07 AM, Heinz Diehl <htd@xxxxxxxxxxxxxxxxx> wrote: > > > On 30.05.2014, Stephen Cousins wrote: > > > > > I see. So it has nothing to do with how well the data is encrypted. Just > > > another level of protection.. > > > > Maybe. I think the practical effects are negligible. With the first > > minutes of use of such a disk, temporary files get written to it, > > files get deleted, new ones get written and old stuff gets > > overwritten. If the encryption is secure, all that doesn't really > > matter. > > > > _______________________________________________ > > dm-crypt mailing list > > dm-crypt@xxxxxxxx > > http://www.saout.de/mailman/listinfo/dm-crypt > > > > > > -- > ________________________________________________________________ > Steve Cousins Supercomputer Engineer/Administrator > Advanced Computing Group University of Maine System > 244 Neville Hall (UMS Data Center) (207) 561-3574 > Orono ME 04469 steve.cousins at maine.edu > _______________________________________________ > dm-crypt mailing list > dm-crypt@xxxxxxxx > http://www.saout.de/mailman/listinfo/dm-crypt -- Arno Wagner, Dr. sc. techn., Dipl. Inform., Email: arno@xxxxxxxxxxx GnuPG: ID: CB5D9718 FP: 12D6 C03B 1B30 33BB 13CF B774 E35C 5FA1 CB5D 9718 ---- A good decision is based on knowledge and not on numbers. - Plato _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt