pecified by <EM>start</EM> and <EM>end</EM>: it must be exactly
20 bytes long (the length of a SHA-1 digest).  <EM>signature</EM> is a <A HREF="#dsa-signature" STYLE="symbol">dsa-signature</A> object.</P><DIV CLASS="lisp-symbol"><A NAME="verify-signature"></A><TT><STRONG>verify-signature</STRONG> <EM>key</EM> <EM>message</EM> <EM>signature</EM> <EM><TT>&key</TT></EM> <EM>start</EM> <EM>end</EM> =&gt; <EM>boolean</EM></TT><BR /></DIV><P>Verify whether <EM>signature</EM> is the signature of <EM>message</EM>
b