Two factor LUKS decryption
Security tells us to use VeryLongAnd$t0ngPasswordWithStr4ng3And$pecia!Characters to crypt our LUKS (http://en.wikipedia.org/wiki/Linux_Unified_Key_Setup) disks, but it is very booring and error prone: in this article I'll tell you how to setup your Debian (http://www.debian.org) system to use also a short password (like a PIN) AND an USB key to decrypt the LUKS disk, without loosing any security. (...)