Securing Wireless Body Area Network with Efficient Secure Channel Free and Anonymous Certificateless Signcryption

Table 3

Classification on the basis of hard problems.

Bilinear pairing cryptosystem	[7, 9, 11–15, 19]
Elliptic curve cryptosystem	[16, 17]
Fuzzy-based cryptosystem	[8]
Hyperelliptic curve cryptosystem	[10, 18]