Title :
Cryptanalysis of convertible group signature
Author :
Li, Zichen ; Wang, Yongchuan ; Yang, Yi Xian ; Wu, Weilin
Author_Institution :
Inf. Security Center, Beijing Univ. of Posts & Telecommun., China
fDate :
6/24/1999 12:00:00 AM
Abstract :
It is proven, using two group centre cheats, that the convertible group signature scheme proposed by Kim et al. (see Asiacrypt´96, p. 311-21) is insecure.
Keywords :
cryptography; convertible group signature; cryptanalysis; insecure scheme; two group centre cheats;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19990723
