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» On the Security of Some Proxy Blind Signature Schemes
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ICISC
2003
89views Cryptology» more  ICISC 2003»
13 years 5 months ago
Security Analysis of Some Proxy Signatures
Abstract. A proxy signature scheme allows an entity to delegate his/her signing capability to another entity in such a way that the latter can sign messages on behalf of the former...
Guilin Wang, Feng Bao, Jianying Zhou, Robert H. De...
WISTP
2007
Springer
13 years 10 months ago
Linkability of Some Blind Signature Schemes
Unforgeability and blindness are two important properties of blind signature. The latter means that after interacting with various users, the signer is unable to link a valid messa...
Swee-Huay Heng, Wun-She Yap, Khoongming Khoo
IJNSEC
2007
107views more  IJNSEC 2007»
13 years 4 months ago
Original Signer's Forgery Attacks on Discrete Logarithm Based Proxy Signature Schemes
A proxy signature scheme enables a proxy signer to sign messages on behalf of the original signer. In this paper, we demonstrate that a number of discrete logarithm based proxy si...
Tianjie Cao, Xianping Mao
IJNSEC
2008
106views more  IJNSEC 2008»
13 years 4 months ago
Comments on the Security Flaw of Hwang et al.'s Blind Signature Scheme
In 2003, Hwang et al. proposed a new blind signature based on the RSA cryptosystem by employing Extended Euclidean algorithm. They claimed that the proposed scheme was untraceable...
Fang-Ping Chiang, Yi-Mien Lin, Ya-Fen Chang
PKC
2009
Springer
166views Cryptology» more  PKC 2009»
14 years 5 months ago
Security of Blind Signatures under Aborts
We explore the security of blind signatures under aborts where the user or the signer may stop the interactive signature issue protocol prematurely. Several works on blind signatur...
Dominique Schröder, Marc Fischlin