Title :
An Optimal Blind Signature Padding with Message Recovery
Author :
Wang, Jingran ; Qian, Haifeng
Author_Institution :
Comput. Sci. Technol. Dept., East China Normal Univ., Shanghai, China
Abstract :
A blind signature is a very important technology in e-commerce. This paper uses an ideal cipher with a smaller block size to design a secure two-move blind signature with an optimal padding. Our new scheme has the message recovery property with less bandwidth, which means the user can recover the message from the signature signed by the signer, but costs no other bandwidth to save power and battery life. This blind signature can be implemented with a truly real block cipher. Besides this, We also give the scheme for longer message in our paper which uses one random oracles and an ideal cipher. Security analysis for the scheme is also provided in this paper.
Keywords :
cryptography; digital signatures; electronic commerce; cryptography; e-commerce; message recovery property; optimal blind signature padding; security analysis; Bandwidth; Batteries; Blindness; Computer science; Computer security; Costs; Digital signatures; Information security; Public key; Public key cryptography; Blind Signature; RSA; blindness; message recovery; unforgeability;
Conference_Titel :
Information Assurance and Security, 2009. IAS '09. Fifth International Conference on
Conference_Location :
Xi´an
Print_ISBN :
978-0-7695-3744-3
DOI :
10.1109/IAS.2009.10
