On Tue, Mar 18, 2008 at 09:46:45AM -0700, Jon Callas wrote: > What operates like a block cipher on a large chunk? > Tweakable modes like EME.
Or as a non-patented alternative one could use the Bear/Lion constructions [1], which can encrypt arbitrary size blocks at reasonably good speeds (depending on the performance characteristics of the stream cipher and hash function they are instantiated with). -Jack [1] http://www.cl.cam.ac.uk/~rja14/Papers/bear-lion.pdf --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]