Pub. online:1 Jan 2010Type:Research ArticleOpen Access
Volume 21, Issue 1 (2010), pp. 117–122
In 2007, Kancharla et al. proposed an identity-based strong designated verifier signature (IBSDVS) scheme based on bilinear pairings, and claimed it unforgeable and non-delegatable. However, in this paper, we show that this scheme is actually delegatable.