221 search results - page 43 / 45 » Secure Public Instant Messaging |
CCS
2003
ACM
14 years 27 days ago
2003
ACM
We propose a new notion of cryptographic tamper evidence. A tamper-evident signature scheme provides an additional procedure Div which detects tampering: given two signatures, Div...
ISI
2006
Springer
13 years 7 months ago
2006
Springer
Since the September 11th terror attack at New York in 2001, the frequency of terror attacks around the world has been increasing and it draws more attention of the public. On Janua...
IFIP
2010
Springer
13 years 2 months ago
2010
Springer
Abstract. This paper extends existing models for collaborative systems. We investigate how much damage can be done by insiders alone, without collusion with an outside adversary. I...
TC
2008
13 years 7 months ago
2008
In an attempt to expand Public Key Infrastructure (PKI) usage to a ubiquitous and mobile computing environment, we found that the deployment of the PKI on a resource-constrained de...
IACR
2011
12 years 7 months ago
2011
We consider the question of how to store a value secretly on devices that continually leak information about their internal state to an external attacker. If the secret value is s...