37 search results - page 5 / 8 » Undeniable Signatures |
INDOCRYPT
2005
Springer
14 years 29 days ago
2005
Springer
Abstract. We introduce a new undeniable signature scheme which is existentially unforgeable and anonymous under chosen message attacks in the standard model. The scheme is an embed...
ACNS
2007
Springer
14 years 1 months ago
2007
Springer
In 1990, Boyar, Chaum, Damg˚ard and Pedersen introduced convertible undeniable signatures which limit the self-authenticating property of digital signatures but can be converted b...
CTRSA
2004
Springer
14 years 26 days ago
2004
Springer
Abstract. In this paper, we give a first example of identity based undeniable signature using pairings over elliptic curves. We extend to the identity based setting the security m...
EUROPKI
2007
Springer
14 years 1 months ago
2007
Springer
An undeniable mobile billing system allows a mobile network service provider to bill its subscribers with trustworthy evidences. Chen, Jan and Chen proposed such a billing system b...
IJNSEC
2007
13 years 7 months ago
2007
In 2004, Libert and Quisquater proposed an identity based undeniable signature scheme using pairings over elliptic curves. In this article, we show that the scheme is not secure. ...