Program for New Century Excellent Talents in University and the National Natural Science Foundation of China (60373104, 90604009).
Ju et al. proposed a certificateless signature scheme with instantaneous revocation by introducing security mediator (SEM) mechanism. This article presents a detailed cryptoanalysis of this scheme and shows that, in...
Supported by the National Natural Science Foundation of China (90304008, 60373104, 90604009) and the Graduate Innovation Fund of Xidian University(05017, 05019)
This paper presents a simple partially blind signature scheme with low computation. By converse using the partially blind signature scheme, we build a simple fair e-payment protocol. In the protocol, two participants ...