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 <H2><A NAME="SECTION00075000000000000000">
 CVD format</A>
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     CVD (ClamAV Virus Database) is a digitally signed tarball file that
     contains one or more databases. The header is a 512 bytes long string
     with colon separated fields:
     <PRE>
 ClamAV-VDB:build time:version:number of signatures:functionality
 level required:MD5 checksum:digital signature:builder name:build time (sec)
 </PRE>
     <code>sigtool --info</code> displays detailed information on CVD files:
     <PRE>
     zolw@localhost:/usr/local/share/clamav$ sigtool -i daily.cvd 
     Build time: 11 Sep 2004 21-07 +0200
     Version: 487
     # of signatures: 1189
     Functionality level: 2
     Builder: ccordes
     MD5: a3f4f98694229e461f17d2aa254e9a43
     Digital signature: uwJS6d+y/9g5SXGE0Hh1rXyjZW/PGK/zqVtWWVL3/tfHEn
     A17z6VB2IBR2I/OitKRYzmVo3ibU7bPCJNgi6fPcW1PQwvCunwAswvR0ehrvY/4ks
     UjUOXo1VwQlW7l86HZmiMUSyAjnF/gciOSsOQa9Hli8D5uET1RDzVpoWu/id
     Verification OK.
 </PRE>
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 <ADDRESS>
 Tomasz Kojm
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 2004-09-20
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