On Tue, 13 May 2008 22:43:21 +0100, "Thibault Langlois" <tl at di.fc.ul.pt> wrote: > I am using this md5.lisp : > http://www.pmsf.de/pub/download/MD5/md5.lisp What happens if you use the MD5 version from Kevin Rosenberg's website (which is the ASDF-INSTALL download from the CLiki website)? http://files.b9.com/md5/md5-1.8.5.tar.gz