206 search results - page 17 / 42 » Group-oriented Encryption Secure against Collude Attack |
FOCS
1999
IEEE
14 years 5 days ago
1999
IEEE
We introduce the notion of non-malleable noninteractive zero-knowledge (NIZK) proof systems. We show how to transform any ordinary NIZK proof system into one that has strong non-m...
ESORICS
2007
Springer
14 years 2 months ago
2007
Springer
A formal treatment to the privacy of concealed data aggregation (CDA) is given. While there exist a handful of constructions, rigorous security models and analyses for CDA are stil...
NDSS
1997
IEEE
14 years 2 days ago
1997
IEEE
The Internet Engineering Task Force (IETF) is in the process of adopting standards for IP-layer encryption and authentication (IPSEC). We describe how “probable plaintext” can...
ASIACRYPT
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. Physical attacks on cryptographic implementations and devices have become crucial. In this context a recent line of research on a new class of side-channel attacks, calle...
PKC
1999
Springer
14 years 4 days ago
1999
Springer
This paper presents a simple and efficient conversion from a semantically secure public-key encryption scheme against passive adversaries to a non-malleable (or semantically secure...