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Advances, Systems and Applications

Table 3 Communication cost comparison

From: Multi-Recipient encryption with keyword search without pairing for cloud storage

Schemes

Encryption Size/bit

Trapdoor Size/bit

[2]

n(|G|+h)=768n

|G|=512

[3]

n(|G|+h)=768n

|G|=512

[9]

2n|G|=1024n

|GT|=1024

[13]

n(|G|+h)=768n

|G|=512

Ours

\(h+(n+1)|{Z_{q}^{*}}|=384+128n\)

|G|=512