Application Research of File Fingerprint Identification Detection Based on a Network Security Protection System

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Category</td><td class="align_center">Feature scheme</td><td class="align_center">Weight calculation</td><td class="align_center">Number of fingerprints</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">PbS</td><td class="align_center">Paragraphs</td><td class="align_center">Natural length</td><td class="align_center">1</td></tr><tr><td class="align_left">KbS</td><td class="align_center">Keywords</td><td class="align_center">TF-IDF value</td><td class="align_center">1</td></tr><tr><td class="align_left">SoP</td><td class="align_center">Keywords</td><td class="align_center">TF-IDF value</td><td class="align_center"><span style="width: 9.79486ptpx;"><svg height="8.70527pt" id="M9" style="vertical-align:-0.1802902pt" version="1.1" viewbox="-0.0498162 -8.52498 9.79486 8.70527" width="9.79486pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M719 650H483V622C553 619 576 606 581 560C585 532 588 487 588 394V148H585L167 650H20V622C67 618 88 610 109 585C127 562 129 557 129 484V264C129 173 126 124 123 93C118 44 92 31 35 28V0H272V28C204 32 181 44 176 95C173 124 170 172 170 264V515H172L598 -9H629V394C629 487 631 532 635 563C639 606 663 619 719 622V650Z"></path></g></svg></span></td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Characteristics of three SimHash fingerprint algorithms.</div>

Wireless Communications and Mobile Computing

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Table 1

Table 1: Application Research of File Fingerprint Identification Detection Based on a Network Security Protection System 