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IJNSEC
2007
253views more  IJNSEC 2007»
13 years 6 months ago
Stream or Block Cipher for Securing VoIP?
When the network is homogeneous, choosing the cipher type for a packet telephony application is simple. It is clear that stream ciphers perform better than block ciphers over land...
Ashraf D. Elbayoumy, Simon J. Shepherd
IJNSEC
2007
82views more  IJNSEC 2007»
13 years 6 months ago
On Software Implementation of Fast DDP-based Ciphers
Data-dependent (DD) permutations (DDP) are discussed as a cryptographic primitive for the design of fast hardware, firmware, and software encryption systems. DDP can be performed...
Nikolay A. Moldovyan, Peter A. Moldovyanu, Douglas...
FSE
2007
Springer
136views Cryptology» more  FSE 2007»
14 years 7 days ago
New Lightweight DES Variants
In this paper we propose a new block cipher, DESL (DES Lightweight), which is based on the classical DES (Data Encryption Standard) design, but unlike DES it uses a single S-box re...
Gregor Leander, Christof Paar, Axel Poschmann, Kai...
DBSEC
2007
89views Database» more  DBSEC 2007»
13 years 7 months ago
Design and Analysis of Querying Encrypted Data in Relational Databases
Security and privacy concerns as well as legal considerations force many companies to encrypt the sensitive data in databases. However, storing the data in an encrypted format enta...
Mustafa Canim, Murat Kantarcioglu
ASIACRYPT
2006
Springer
13 years 9 months ago
New Guess-and-Determine Attack on the Self-Shrinking Generator
We propose a new type of guess-and-determine attack on the self-shrinking generator (SSG). The inherent flexibility of the new attack enables us to deal with different attack condi...
Bin Zhang, Dengguo Feng