At Tue, 19 Dec 2006 11:04:32 +0100, Peter Palensky <palensky@xxxxxxxxxxxxxxxx> wrote: > reading > http://www.linux-magazine.com/issue/61/Hard_Disk_Encryption_DM-Crypt_LUKS_cryptsetup.pdf > (especially figure 2) and > http://luks.endorphin.org/LUKS-on-disk-format.pdf See Page 8, Figure 3, second line. masterKey = generate random vector. > i did not really find out how the master key is generated, when a keyfile is > used a'la 'cryptsetup luksFormat blockdev keyfile'. > > is the initial keyfile the master key or is it used to derive the master key > or is - as i hope - the master key always a random number? The master key is always random. The keyfile is used as if it was the user password entered via keyboard. A few distinctions apply, such as reading control characters like \0 \n is allowed for binary files. > Peter Palensky > Vienna University of Technology > Institute of Computer Technology > http://www.ict.tuwien.ac.at Hello college :) -- Fruhwirth Clemens - http://clemens.endorphin.org for robots: sp4mtrap@xxxxxxxxxxxxx --------------------------------------------------------------------- dm-crypt mailing list - http://www.saout.de/misc/dm-crypt/ To unsubscribe, e-mail: dm-crypt-unsubscribe@xxxxxxxx For additional commands, e-mail: dm-crypt-help@xxxxxxxx
