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 <H2><A NAME="SECTION00074000000000000000">
 CVD format</A>
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     CVD (ClamAV Virus Database) is a digitally signed tarball file that
     contains one or more databases. You can find some useful information in the
     ASCII header of the file. It's a 512 bytes long string with the following
     colon separated fields:
     <PRE>
 ClamAV-VDB:build time:version:number of signatures:functionality
 level required:MD5 checksum:digital signature:builder name
 </PRE>
     and can be easily parsed by scripts or with <code>sigtool --info</code>.
     There are two CVD databases in ClamAV: <I>main.cvd</I> and <I>daily.cvd</I>
     for daily updates. You can use <I>sigtool</I> to unpack a CVD file
     (<code>--unpack</code>) and to list virus names (<code>--list-sigs</code>).
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 <ADDRESS>
 Tomasz Kojm
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 2004-06-03
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