Efficient Compression and Encryption for Digital Data Transmission

<table class="fixed-width table-group" id="tab12"><tr><td><table class="table"><colgroup><col style="width:7.96em"/><col style="width:5.74em"/><col style="width:5.74em"/><col style="width:5.18em"/><col style="width:5.18em"/></colgroup><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">File</td><td class="align_center">PLAIN</td><td class="align_center">MPEG4</td><td class="align_center">MPEG4 + DES</td><td class="align_center">MPEG4 + RC4</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">airhorse.avi</td><td class="align_center">7375360</td><td class="align_center">1393594</td><td class="align_center">1393600</td><td class="align_center">1393594</td></tr><tr><td class="align_left">cookie.avi</td><td class="align_center">5347840</td><td class="align_center">1204348</td><td class="align_center">1204352</td><td class="align_center">1204348</td></tr><tr><td class="align_left">coralastra2.avi</td><td class="align_center">589312</td><td class="align_center">169162</td><td class="align_center">169168</td><td class="align_center">169162</td></tr><tr><td class="align_left">dfs.avi</td><td class="align_center">1083904</td><td class="align_center">376182</td><td class="align_center">376184</td><td class="align_center">376182</td></tr><tr><td class="align_left">fractogene.avi</td><td class="align_center">1743872</td><td class="align_center">792581</td><td class="align_center">792584</td><td class="align_center">792581</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Compression with MPEG4 and then encryption.</div>

Security and Communication Networks

tab12

Table 12

Table 12: Efficient Compression and Encryption for Digital Data Transmission 