A Blockchain-Assisted Electronic Medical Records by Using Proxy Reencryption and Multisignature

Table 2

Notations.

Notation
	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