Database Padding for Dynamic Symmetric Searchable Encryption

<div>Corresponding index during the execution of the dynamic padding algorithm. (a) Bitmap index. (b) Pad. (c) Add (<i>W<sub>2</sub></i>, <i>f<sub>4</sub></i>). (d) Delete (<i>W<sub>1</sub></i>, <i>f<sub>2</sub></i>).</div>

Security and Communication Networks

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Figure 2

Figure 2: Database Padding for Dynamic Symmetric Searchable Encryption 