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» On the Security of ElGamal Based Encryption
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PKC
2005
Springer
67views Cryptology» more  PKC 2005»
14 years 1 months ago
Symmetric Subgroup Membership Problems
Abstract. We define and discuss symmetric subgroup membership problems and their properties, including a relation to the Decision DiffieHellman problem. We modify the Cramer-Shoup...
Kristian Gjøsteen
IFIP
2010
Springer
13 years 2 months ago
Cryptographic Enforcement of Role-Based Access Control
Many cryptographic schemes have been designed to enforce information flow policies. However, enterprise security requirements are often better encoded, or can only be encoded, usin...
Jason Crampton
DBSEC
1998
115views Database» more  DBSEC 1998»
13 years 9 months ago
Secure Mediation: Requirements and Design
In this paper1 we discuss the security requirements for mediation, and present our approach towards satisfying them, with an emphasis on con dentiality and authenticity. Furthermo...
Joachim Biskup, Ulrich Flegel, Yücel Karabulu...
IACR
2011
125views more  IACR 2011»
12 years 7 months ago
On Constructing Homomorphic Encryption Schemes from Coding Theory
Abstract. Homomorphic encryption schemes are powerful cryptographic primitives that allow for a variety of applications. Consequently, a variety of proposals have been made in the ...
Frederik Armknecht, Daniel Augot, Ludovic Perret, ...
AES
2004
Springer
135views Cryptology» more  AES 2004»
14 years 1 months ago
Some Algebraic Aspects of the Advanced Encryption Standard
Abstract. Since being officially selected as the new Advanced Encryption Standard (AES), Rijndael has continued to receive great attention and has had its security continuously eva...
Carlos Cid