P>Returns a digest object.  <EM>digest-name</EM> is a keyword naming the
algorithm you wish <EM>digester</EM> to use.  The algorithms you are likely
to want to use are:</P><UL><LI>MD4</LI><LI>MD5</LI><LI>SHA1</LI><LI>SHA256</LI><LI>Tiger</LI><LI>Adler32</LI><LI>CRC32</LI></UL><P>Other legitimate digest names can be found by calling <A HREF="#list-all-digests" STYLE="symbol">list-all-digests</A>.  Like <A HREF="#make-cipher" STYLE="symbol">make-cipher</A>, <EM>digest-name</EM> should be
a symbol in the <TT>K