1528 search results - page 3 / 306 » On Signatures for Communication Graphs |
ICICS
2001
Springer
13 years 10 months ago
2001
Springer
Undeniable signature has been extensively researched after Chaum and Antwerpen first proposed the concept of this special digital signature ten years ago. Up to now, however, almo...
SCN
2010
Springer
13 years 4 months ago
2010
Springer
Abstract. This paper shows some efficient and provably-secure convertible undeniable signature schemes (with both selective conversion and all conversion), in the standard model an...
ICICS
2005
Springer
13 years 11 months ago
2005
Springer
The notion of concurrent signatures was recently introduced by Chen, Kudla and Paterson. In concurrent signature schemes, two entities can produce two signatures that are not bindi...
ICC
2007
IEEE
14 years 18 days ago
2007
IEEE
Abstract— An important issue in mobile commerce (mcommerce) is to exchange digital data between two distributed parties in an efficient and fair manner. In this paper, a lightwe...
ICICS
2007
Springer
14 years 13 days ago
2007
Springer
We propose a convertible undeniable signature scheme without random oracles. Our construction is based on the Waters signatures proposed in Eurocrypt 2005. The security of our sche...