Hi wolfgang. Thank you for your fast response. What would > dd if=/dev/mapper/[cryptdevice] of=/dev/[device] conv=notrunc Actually do then ? Would it revert back to no encryption ? How would i convert the 256 bit encrypt to 128 ? Thanks Sent from my iPhone On 14-aug.-2011, at 01:35, wolfgang.aigner@xxxxxx wrote: > Hello Steve, > >> I have encrypted my FS with cryptsetup and see it's >> 256bit but I found that it is too taxing on my systems resources (only >> Pentium 4 machine with 2GB ram) Could I "re-encrypt" the FS without >> loosing >> the data which is already stored on it ? I have no room to backup so much >> space. > > Yes, but its always dangerous and you could loose all your data. Don't trust on that and do a backup. If it doesn't matter if you loose anything you could use: > dd if=/dev/mapper/[cryptdevice] of=/dev/[device] conv=notrunc > > Be aware this is DANGEROUS. > >> Also what would be a recommanded bit for a system such as mine ? 64bit ? >> 128 > > You get a bit more Speed with 128 Bit AES, but still it is slower than withou encryption. > > cheers > Wolfgang > -- > NEU: FreePhone - 0ct/min Handyspartarif mit Geld-zurück-Garantie! > Jetzt informieren: http://www.gmx.net/de/go/freephone _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt
