Research Article
A Blockchain-Assisted Electronic Medical Records by Using Proxy Reencryption and Multisignature
| Notation | ā |
| | Two prime numbers | | The system manager | | The th hospital | | The th patient | | The th doctor | | The public key | | The private key | | The identity | | The diagnosis order | | The generator of | | The key generation center | | Encryption | | Decryption | | The bilinear map | | The hash function | | The message authentication code | | The security parameter |
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