Security and Communication Networks / 2018 / Article / Tab 1

Research Article

Adaptive Secure Cross-Cloud Data Collaboration with Identity-Based Cryptography and Conditional Proxy Re-Encryption

Table 1

Comparison of computation in secure data collaboration.

SchemesEncReEncDec-1Dec-2

IBBPRE [6]Tpair+(Nu+5)Texp(3Nu+3)Texp2Tpair+NuTexp3Tpair+Texp

IBCPRE [7]Tpair+4Texp2TpairTpair2Tpair

IBBCPBRE [8](3Nu+8)Texp2Tpair+NuTexp2Tpair+NuTexp3Tpair+NuTexp

Our schemeIBE9TexpType-I2TpairTpair2Tpair
Type-IITpair
IBBE(3Nu+10)TexpType-III3Tpair+(Nu+1)Texp2Tpair+NuTexp3Tpair+NuTexp
Type-IV2Tpair+NuTexp

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.