Blockchain-Based Privacy-Preserving Sensor Data Sharing with Fine-Grained Authorization in Microgrid

Table 2

Notation, definition, and size.

Notation	Definition	Size (byte)
	Size of an element in	20
	Size of an element of a group	20
	Size of a ABS signature	40
	Size of a HECCS session key	16
	Size of a HECCS signature	56
	Size of a sensor identity	4
	Size of a pseudonym	5
	Size of the data information	40
	Size of a AES ciphertext	16