On Sat, Jul 09, 2011 at 12:05:11AM +0200, Milan Broz wrote: > On 07/08/2011 11:11 PM, Arno Wagner wrote: > > > So it is highly advisable to stay within the 94 printable > > characters on the standard, 128 character ASCII table. The > > table can e.g. be found here: http://en.wikipedia.org/wiki/ASCII > > These suggestions also highly depends on environment (e.g. keyboard map). Not so bad, since then you can still put the passphrase into a file using a hex-editor and read it from there if you stay in ASCII 7 Bit. If you do not know the original encoding, that can be a problem or at least take a lot of experimenting. > (An example of local problem is if using Czech/English keyboard switch > ("password1234 is not password+??????") or with qwerty/qwertz layout > and suggestions like "try to not use y/z in passphrase to avoid the problem". > > Another common problem is "please check that you have NumLock > switched on when entering digits". > > Of course, 5 of 4 admins likes late night calls from users crying > "my password doesn't work!"... :-) Indeed. > That said, there is no limitation in cryptsetup or dmcrypt regarding > input character set. > > All these suggestions are quite generic and are intended to prevent > problem with different environments (locales, keyboard layout etc). > > (My suggestion is better use longer non-dictionary ascii-friendly > passphrase than using non-ascii characters in it. But if you > disagree, just ignore this suggestion - it will work.... until > you need to unlock external drive on system with foreign keyboard > and locales... :-) I completely agree. :-) Arno -- 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
