Research Article
An Efficient and Secure Data Sharing Method Using Asymmetric Pairing with Shorter Ciphertext to Enable Rapid Learning in Healthcare
Table 2
A comparative summary of various variants of MCBE schemes.
| | Parameters | [4] | [22] | [16] | [24] | [23] | Proposed |
| | | | | | | | | |
| | | | | | | | | | | | | | | | Public key | No | No | Yes | Yes | Yes | Yes | | Security | CPA | CPA | CPA | CPA | CPA | CPA | | Hardness assumption | -BDHE | -BDHE | DBDHE-sum | GDDHE | -BDHE | -BDHE | | Algebraic construction | Pairing based | Pairing based | Pairing based | Pairing based | Pairing based | Pairing based | | Pairing type | Type-I | Type-I | Type-I | Type-III | Type-I | Type-III | | Random oracle | No | No | No | Yes | No | No |
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