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IACR
2011
133views more  IACR 2011»
12 years 10 months ago
Attractive Subfamilies of BLS Curves for Implementing High-Security Pairings
Barreto-Lynn-Scott (BLS) curves are a stand-out candidate for implementing high-security pairings. This paper shows that particular choices of the pairing-friendly search parameter...
Craig Costello, Kristin Lauter, Michael Naehrig
IACR
2011
125views more  IACR 2011»
12 years 10 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, ...
IACR
2011
127views more  IACR 2011»
12 years 10 months ago
Oblivious RAM with O((log N)^3) Worst-Case Cost
Oblivious RAM (O-RAM) is a useful primitive that allows a client to hide its data access patterns from an untrusted server in storage outsourcing applications. This paper proposes...
Elaine Shi, T.-H. Hubert Chan, Emil Stefanov, Ming...
IACR
2011
124views more  IACR 2011»
12 years 10 months ago
Using the Cloud to Determine Key Strengths
We develop a new methodology to assess cryptographic key strength using cloud computing, by calculating the true economic cost of (symmetric- or private-) key retrieval for the mos...
Thorsten Kleinjung, Arjen K. Lenstra, Dan Page, Ni...
IACR
2011
252views more  IACR 2011»
12 years 10 months ago
A Meet-in-the-Middle Attack on the Full KASUMI
KASUMI is a block cipher which consists eight Feistel rounds with a 128-bit key. The confidentiality and integrity of UMTS, GSM and GPRS mobile communications systems depend heavi...
Keting Jia, Hongbo Yu, Xiaoyun Wang
IACR
2011
147views more  IACR 2011»
12 years 10 months ago
Adaptive Security of Concurrent Non-Malleable Zero-Knowledge
A zero-knowledge protocol allows a prover to convince a verifier of the correctness of a statement without disclosing any other information to the verifier. It is a basic tool a...
Zhenfu Cao, Zongyang Zhang, Yunlei Zhao
IACR
2011
127views more  IACR 2011»
12 years 10 months ago
Cryptanalysis of KeeLoq code-hopping using a Single FPGA
The KeeLoq cipher is used in many wireless car door systems and garage openers. Recently the algorithm was studied and several attacks have been published. When a random seed is no...
Idan Sheetrit, Avishai Wool
IACR
2011
129views more  IACR 2011»
12 years 10 months ago
Improved Side Channel Cube Attacks on PRESENT
: The paper presents several improved side channel cube attacks on PRESENT based on single bit leakage model. Compared with the previous study of Yang et al in CANS 2009 [30], base...
Xin-jie Zhao, Tao Wang, Shi-ze Guo
IACR
2011
128views more  IACR 2011»
12 years 10 months ago
Identity-Based Cryptography for Cloud Security
—Cloud computing is a style of computing in which dynamically scalable and commonly virtualized resources are provided as a service over the Internet. This paper, first presents ...
Hongwei Li, Yuanshun Dai, Bo Yang
IACR
2011
116views more  IACR 2011»
12 years 10 months ago
Some Words About Cryptographic Key Recognition In Data Streams
Search for cryptographic keys in RAM is a new and prospective technology which can be used, primarily, in the computer forensics. In order to use it, a cryptanalyst must solve, at...
Alexey Chilikov, Evgeny Alekseev