Achieving Lightweight Privacy-Preserving Image Sharing and Illegal Distributor Detection in Social IoT

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Operations</td><td class="align_center">DCT transform</td><td class="align_center">Image encryption</td><td class="align_center">Embedding 1 bit for each server</td><td class="align_center">Image decryption</td></tr><tr><td class="align_left" colspan="5"><hr/></td></tr><tr><td class="align_left">Time cost</td><td class="align_center">89.9 ms</td><td class="align_center">9 ms</td><td class="align_center">11 <i>μ</i>s</td><td class="align_center">3.1 ms</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Computational time cost of each operation in LPIS.</div>

Security and Communication Networks

tab2

Table 2

Table 2: Achieving Lightweight Privacy-Preserving Image Sharing and Illegal Distributor Detection in Social IoT 