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CTRSA
2010
Springer
152views Cryptology» more  CTRSA 2010»
13 years 12 months ago
Differential Cache-Collision Timing Attacks on AES with Applications to Embedded CPUs
This paper proposes a new type of cache-collision timing attacks on software implementations of AES. Our major technique is of differential nature and is based on the internal cryp...
Andrey Bogdanov, Thomas Eisenbarth, Christof Paar,...
AFRICACRYPT
2010
Springer
13 years 12 months ago
Efficient Unidirectional Proxy Re-Encryption
Abstract. Proxy re-encryption (PRE) allows a semi-trusted proxy to convert a ciphertext originally intended for Alice into one encrypting the same plaintext for Bob. The proxy only...
Sherman S. M. Chow, Jian Weng, Yanjiang Yang, Robe...
AFRICACRYPT
2010
Springer
13 years 12 months ago
Practical Improvements of Profiled Side-Channel Attacks on a Hardware Crypto-Accelerator
Abstract. This article investigates the relevance of the theoretical framework on profiled side-channel attacks presented by F.-X. Standaert et al. at Eurocrypt 2009. The analyses ...
M. Abdelaziz Elaabid, Sylvain Guilley
ACNS
2010
Springer
155views Cryptology» more  ACNS 2010»
13 years 12 months ago
Redactable Signatures for Tree-Structured Data: Definitions and Constructions
ded abstract of this paper appears in Applied Cryptography and Network Security
Christina Brzuska, Heike Busch, Özgür Da...
ACNS
2010
Springer
187views Cryptology» more  ACNS 2010»
13 years 12 months ago
Generic Constructions for Verifiably Encrypted Signatures without Random Oracles or NIZKs
Verifiably encrypted signature schemes (VES) allow a signer to encrypt his or her signature under the public key of a trusted third party, while maintaining public signature verifi...
Markus Rückert, Michael Schneider 0002, Domin...
ACNS
2010
Springer
133views Cryptology» more  ACNS 2010»
13 years 12 months ago
A New Human Identification Protocol and Coppersmith's Baby-Step Giant-Step Algorithm
Abstract. We propose a new protocol providing cryptographically secure authentication to unaided humans against passive adversaries. We also propose a new generic passive attack on...
Hassan Jameel Asghar, Josef Pieprzyk, Huaxiong Wan...
ACNS
2010
Springer
132views Cryptology» more  ACNS 2010»
13 years 12 months ago
Efficient Implementation of the Orlandi Protocol
Abstract. We present an efficient implementation of the Orlandi protocol which is the first implementation of a protocol for multiparty computation on arithmetic circuits, which is...
Thomas P. Jakobsen, Marc X. Makkes, Janus Dam Niel...
ACNS
2010
Springer
145views Cryptology» more  ACNS 2010»
13 years 12 months ago
A Hybrid Method to Detect Deflation Fraud in Cost-Per-Action Online Advertising
Abstract. Web advertisers prefer the cost-per-action (CPA) advertisement model whereby an advertiser pays a web publisher according to the actual amount of transactions, rather tha...
Xuhua Ding
ACNS
2010
Springer
114views Cryptology» more  ACNS 2010»
13 years 12 months ago
Two New Efficient PIR-Writing Protocols
Assume that a client outsources his database to a remote storage-provider (the server), so that for privacy reasons, the client's database is encrypted by his secret key. Duri...
Helger Lipmaa, Bingsheng Zhang
ACNS
2010
Springer
135views Cryptology» more  ACNS 2010»
13 years 12 months ago
Okamoto-Tanaka Revisited: Fully Authenticated Diffie-Hellman with Minimal Overhead
Rosario Gennaro, Hugo Krawczyk, Tal Rabin