A Fine-Grained IoT Data Access Control Scheme Combining Attribute-Based Encryption and Blockchain

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Equipment name</td><td class="align_center">Configuration</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Local server</td><td class="align_center">Ubuntu Linux release 18.04</td></tr><tr><td class="align_left">Virtual machine</td><td class="align_center">CentOS Linux release 7.8.2003(Core)</td></tr><tr><td class="align_left">IPFS_1</td><td class="align_center">Windows10; CPU i7-8550U; RAM 16.0 GB</td></tr><tr><td class="align_left">IPFS_2</td><td class="align_center">Windows10; CPU r7-4800U; RAM 16.0 GB</td></tr><tr><td class="align_left">IPFS_3</td><td class="align_center">Windows10; CPU i5-9300H; RAM 16.0 GB</td></tr><tr><td class="align_left">IPFS_4</td><td class="align_center">Windows10; CPU i7-8650U; RAM 16.0 GB</td></tr><tr><td class="align_left">IPFS_5</td><td class="align_center">Windows10; CPU i5-6200U; RAM 4.0 GB</td></tr><tr><td class="align_left">IPFS_6</td><td class="align_center">Windows10; CPU i5-4210H; RAM 8.0 GB</td></tr><tr><td class="align_left">IPFS_7</td><td class="align_center">Windows10; CPU i5-9300H; RAM 8.0 GB</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Performance parameters of experimental equipment.</div>

Security and Communication Networks

tab3

Table 3

Table 3: A Fine-Grained IoT Data Access Control Scheme Combining Attribute-Based Encryption and Blockchain 