Discrete Integrity Assuring Slice-Based Secured Data Aggregation Scheme for Wireless Sensor Network (DIA-SSDAS)

Table 2

Symbols and their definition.

Symbol	Definition
	Value sensed by node at layer
	Extracted value node at layer by BS
	Tiny hash function
	Hashed data of value sensed by node at layer
	Extracted hashed data of node at layer by BS
	ID of node
	Extracted node ID
	Nonce
	Extracted nonce
	Sliced message length in bits
	Number of slices
	Encoded sliced message of node at layer with order
()	Public–private key pair
	Public key member
	Elliptic curve
	Finite field with as prime number
	Encryption of encoded sliced message of node at layer with order
	Cipher text
	Aggregated cipher text
	part of cipher text
	part of cipher text
	Mapped value of encoded sliced message
	Random key
	Number of packets received to aggregate at intermediate nodes
	Group of received cipher text
rmap	Reverse map function
map	Map function
	Number of nodes at one hop layer
	Total number of nodes
	Maximum number of slices
	Maximum number of layers