A Blockchain-Based User Authentication Scheme with Access Control for Telehealth Systems

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left">Permission</td><td class="align_center">One month</td><td class="align_center">Three months</td><td class="align_center">Five months</td><td class="align_center">Seven months</td><td class="align_center">Only read</td><td class="align_center">Read write</td><td class="align_center">Read write delete</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left">Numbers</td><td class="align_center">3</td><td class="align_center">4</td><td class="align_center">5</td><td class="align_center">7</td><td class="align_center">11</td><td class="align_center">13</td><td class="align_center">17</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The mapping rules of access permission.</div>

Security and Communication Networks

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Table 3

Table 3: A Blockchain-Based User Authentication Scheme with Access Control for Telehealth Systems 