Journal of Computer Networks and Communications / 2019 / Article / Tab 2

Research Article

An Efficient Framework for Sharing a File in a Secure Manner Using Asymmetric Key Distribution Management in Cloud Environment

Table 2

Homomorphic encryption cryptosystems.

CharacteristicsRSAPaillierElGamal

PlatformCloud computingCloud computingCloud computing
Homomorphic typeMultiplicativeAdditiveMultiplicative
Asymmetric in natureYesYesYes
Data privacyAll ensures privacy both in communication and storage (data at rest)
Data securityYesYesYes
Key used bySeparate keys are used for encrypt/decrypt either by customer/provider
Speed (enc/dec)Fast/slowSlow/slowSlow/fast