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.
| Characteristics | RSA | Paillier | ElGamal |
| Platform | Cloud computing | Cloud computing | Cloud computing | Homomorphic type | Multiplicative | Additive | Multiplicative | Asymmetric in nature | Yes | Yes | Yes | Data privacy | All ensures privacy both in communication and storage (data at rest) | Data security | Yes | Yes | Yes | Key used by | Separate keys are used for encrypt/decrypt either by customer/provider | Speed (enc/dec) | Fast/slow | Slow/slow | Slow/fast |
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