985 search results - page 19 / 197 » On the validity of digital signatures |
IJNSEC
2008
13 years 8 months ago
2008
In this paper, we suggest solutions to the key exposure problem in ring signature. In particular, we propose the first forward secure ring signature scheme and the first key-insul...
ICPR
2008
IEEE
14 years 10 months ago
2008
IEEE
The proliferation of handheld devices such as PDAs and smartphones represents a new scenario for automatic signature verification. Traditionally, research on signature verificatio...
NDSS
2002
IEEE
14 years 1 months ago
2002
IEEE
This paper explores practical and conceptual implications of using Server-Aided Signatures (SAS). SAS is a signature method that relies on partially-trusted servers for generating...
ICICS
2001
Springer
14 years 1 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...
ACSW
2004
13 years 10 months ago
2004
A proxy blind signature scheme is a digital signature scheme which combines the properties of proxy signature and blind signature schemes. Recently, Tan et al. proposed two proxy ...