234 search results - page 28 / 47 » Evolving Messaging Systems for Secure Role Based Messaging |
IJIT
2004
13 years 9 months ago
2004
In this paper we investigate the watermarking authentication when applied to medical imagery field. We first give an overview of watermarking technology by paying attention to frag...
IACR
2011
12 years 7 months ago
2011
Abstract. Radio Frequency Identification (RFID) systems are vulnerable to relay attacks (i.e., mafia, terrorist and distance frauds) when they are used for authentication purpose...
TSP
2010
13 years 2 months ago
2010
Physical (PHY) layer security approaches for wireless communications can prevent eavesdropping without upper layer data encryption. However, they are hampered by wireless channel c...
PODC
2010
ACM
13 years 11 months ago
2010
ACM
In this paper, we present a framework for achieving anonymity and trust, two seemingly contradictory properties, in distributed systems. Our approach builds on webs of trust, a we...
PQCRYPTO
2010
13 years 11 months ago
2010
A New digital signature scheme based on Stepwise Triangular Scheme (STS) is proposed. The proposed trapdoor has resolved the vulnerability of STS and secure against both Gr¨obner ...