Research Article

Encrypted Speech Retrieval Scheme Based on Multiuser Searchable Encryption in Cloud Storage

Table 2

The computational complexity analysis of the proposed scheme.

Secure index buildingSearch trapdoor Tq generationSpeech retrieval

n(l + 3) DOT(l+3)n(l + 3) DOT(l+3)n2(l+ 3) DOT(l+3)