In article <[🔎] 20050606104036.99756.qmail@web51310.mail.yahoo.com> you wrote: > losetup -e aes-256 /dev/loop0 /dev/hda10 What do you have defined in modules? alias cipher-16 rijndael You also need the cryptoloop module in order to name ciphers by name. Try -E 16 instead. Greetings Bernd