[Retracted] Secure Techniques for Channel Encryption in Wireless Body Area Network without the Certificate

Table 3

Comparative examination of ms values. I: signcryption; II: unsigncryption; III: total.

Method/research article	I	II	III
HOOSC: heterogeneous online/offline signcryption	34.63	45.22	79.85
Threshold attribute-based signcryption	56.20	92.48	148.68
Cost-effective and anonymous access control	20.32	51.40	71.72
Improved anonymous access control	4.05	6.02	10.07
Heterogeneous signcryption with keyword search	23.04	50.12	73.16
Heterogeneous access control scheme	3.02	3.04	6.06
Certificateless signcryption	3.02	4.99	8.01
Secured certificate-based signcryption	2.03	2.03	4.06
Attribute-based heterogeneous online/offline signcryption	36.63	45.22	81.85
Proposed method	2.03	2.55	4.58