On Wed, 19 Dec 2001, Gisle S{lensminde wrote: > A block cluster approch would be preferable, since that don't require > scanning the disk on every mount/unmount. What about a block containing > a 128 bit HMAC-SHA1 of the preceding. I should have written: A block cluster approch would be preferable, since that don't require scanning the disk on every mount/unmount. What about a block containing a 128 bit HMAC-SHA1 of the preceding 31 blocks + itself. Moral: Proofread befor you post. -- Gisle Sælensminde ( gisle@xxxxxxxxx ) With sufficient thrust, pigs fly just fine. However, this is not necessarily a good idea. It is hard to be sure where they are going to land, and it could be dangerous sitting under them as they fly overhead. (from RFC 1925) - Linux-crypto: cryptography in and on the Linux system Archive: http://mail.nl.linux.org/linux-crypto/