Title :
Cryptanalysis of an Efficient Hierarchical Identity Based Signature Scheme in the Standard Model
Author :
Wang, Xu An ; Zhong, Weidong ; Luo, Haining
Author_Institution :
Key Lab. of Inf. & Network Security, Eng. Coll. of Chinese Armed Police Force, Xi´´an, China
Abstract :
Hierarchical identity based signature generalizes the concept of identity based signature to organization hierarchy. Till now, there are many interesting hierarchical identity based signature schemes. At ChinaCrypt´08, Ren and Gu claimed to construct an efficient hierarchical identity based signature scheme based on the q-SDH problem with full security in the standard model. They claimed their scheme has short public parameters, high efficiency and a tight reduction. But in this paper we give an attack to their scheme to show their scheme is not secure.
Keywords :
cryptography; signal processing; cryptanalysis; efficient hierarchical identity; identity based signature; organization hierarchy; public parameters; q-SDH problem; signature scheme; standard model; tight reduction; Elliptic curve cryptography; Encryption; Games; Identity-based encryption; Standards organizations; Hierarchical identity based signature; attack; standard model;
Conference_Titel :
Intelligence Information Processing and Trusted Computing (IPTC), 2010 International Symposium on
Conference_Location :
Huanggang
Print_ISBN :
978-1-4244-8148-4
Electronic_ISBN :
978-0-7695-4196-9
DOI :
10.1109/IPTC.2010.110
