221 search results - page 39 / 45 » Secure Public Instant Messaging |
CRYPTO
2012
Springer
11 years 10 months ago
2012
Springer
We provide a functional encryption system that supports functionality for regular languages. In our system a secret key is associated with a Deterministic Finite Automata (DFA) M....
ESORICS
2003
Springer
14 years 27 days ago
2003
Springer
Abstract. Proofs of security protocols typically employ simple abstractions of cryptographic operations, so that large parts of such proofs pendent of cryptographic details. The ty...
WWW
2010
ACM
14 years 2 months ago
2010
ACM
Developing countries face significant challenges in network access, making even simple network tasks unpleasant. Many standard techniques—caching and predictive prefetching— ...
PKC
2010
Springer
13 years 11 months ago
2010
Springer
Abstract. In this paper, we fully break the Algebraic Surface Cryptosystem (ASC for short) proposed at PKC’2009 [3]. This system is based on an unusual problem in multivariate cr...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
The concept of universal designated verifier signatures was introduced by Steinfeld, Bull, Wang and Pieprzyk at Asiacrypt 2003. These signatures can be used as standard publicly ve...