A User-Defined Location-Sharing Scheme with Efficiency and Privacy in Mobile Social Networks

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Size (bytes)</td><td class="align_center">32</td><td class="align_center">64</td><td class="align_center">128</td><td class="align_center">1024</td><td class="align_center">10 k</td><td class="align_center">1 M</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Hash (ms)</td><td class="align_center">6</td><td class="align_center">6</td><td class="align_center">8</td><td class="align_center">9</td><td class="align_center">11</td><td class="align_center">14</td></tr><tr><td class="align_left">Encryption (ms)</td><td class="align_center">11</td><td class="align_center">13</td><td class="align_center">21</td><td class="align_center">122</td><td class="align_center">136</td><td class="align_center">2049</td></tr><tr><td class="align_left">Decryption (ms)</td><td class="align_center">10</td><td class="align_center">11</td><td class="align_center">29</td><td class="align_center">130</td><td class="align_center">522</td><td class="align_center">43822</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Computational overhead of encryption and decryption.</div>

Scientific Programming

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Table 2

Table 2: A User-Defined Location-Sharing Scheme with Efficiency and Privacy in Mobile Social Networks 