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COMPSEC
2004
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14 years 9 days ago
An improvement of nonrepudiable threshold proxy signature scheme with known signers
In a (t, n) threshold proxy signature scheme, which is a variant of the proxy signature scheme, the proxy signature key is shared among a group of n proxy signers delegated by the ...
Shiang-Feng Tzeng, Min-Shiang Hwang, Cheng-Ying Ya...
ISW
1997
Springer
14 years 4 months ago
Threshold Proxy Signature Schemes
This paper will show that Hsu and Wu’s efficient nonrepudiable threshold proxy signature scheme with known signers and Yang, Tzeng and Hwang’s efficient nonrepudiable threshol...
Kan Zhang
WISA
2005
Springer
14 years 6 months ago
Cryptanalysis of Some Group-Oriented Proxy Signature Schemes
Abstract. A proxy signature scheme allows an entity to delegate its signing power to another entity. Since the notion of proxy signatures was first introduced, many proxy signatur...
Je Hong Park, Bo Gyeong Kang, Sangwoo Park
ISPEC
2005
Springer
14 years 6 months ago
On the Security of Some Nonrepudiable Threshold Proxy Signature Schemes
A (t, n) threshold proxy signature scheme enables an original signer to delegate the signature authority to a proxy group of n member such that t or more than t proxy signers can ...
Zuowen Tan, Zhuojun Liu, Wang Mingsheng