An Efficient and Secure Session Key Management Scheme in Wireless Sensor Network

Table 1

Abbreviations and notations.

Notation	Description
Q	Q is the large prime number set (q ≥ 2512)
b	b is the complex number (b ≥ 2512)
Dbs	Base station (BS) private key
Pbs	Base station (BS) public key
Dsi	Sensor node Si private key
Psi	Sensor node Si public key
Rsi	Random number generated by a node Si
PSk	Presession key
Sk	Session key generated
Rch	Randomly selected number by each CH
Rbs	Random set number of the BS
Ek	Encryption with key k
D	Decryption with key k