Improved Chaos-Based Cryptosystem for Medical Image Encryption and Decryption

<table class="table-group" id="tab11"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Work</td><td class="align_center">Key space</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Reference [<a href="/journals/sp/2020/6612390/#B4" target="_blank">4</a>]</td><td class="align_center">2<sup>150</sup></td></tr><tr><td class="align_left">Reference [<a href="/journals/sp/2020/6612390/#B8" target="_blank">8</a>]</td><td class="align_center">10<sup>42</sup></td></tr><tr><td class="align_left">Reference [<a href="/journals/sp/2020/6612390/#B10" target="_blank">10</a>]</td><td class="align_center">3.4 × 10<sup>38</sup></td></tr><tr><td class="align_left">Proposed algorithm</td><td class="align_center">2<sup>192</sup></td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparative study of key space.</div>

Scientific Programming

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Table 11

Table 11: Improved Chaos-Based Cryptosystem for Medical Image Encryption and Decryption 