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» Secure Commitment Against A Powerful Adversary
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SEC
2001
13 years 8 months ago
Communication-Efficient Group Key Agreement
Abstract Traditionally, research in secure group key agreement focuses on minimizing the computational overhead for cryptographic operations, and minimizing the communication overh...
Yongdae Kim, Adrian Perrig, Gene Tsudik
IACR
2011
132views more  IACR 2011»
12 years 6 months ago
Tamper-Proof Circuits: How to Trade Leakage for Tamper-Resilience
Abstract. Tampering attacks are cryptanalytic attacks on the implementation of cryptographic algorithms (e.g., smart cards), where an adversary introduces faults with the hope that...
Sebastian Faust, Krzysztof Pietrzak, Daniele Ventu...
JCP
2007
122views more  JCP 2007»
13 years 6 months ago
Converting Group Key Agreement Protocol into Password-Based Setting - Case Study
Abstract— Converting a secure group key agreement protocol into password-based setting is not a trivial task. The security of a password-based scheme hinges on preventing diction...
Ratna Dutta
ASIACRYPT
2010
Springer
13 years 5 months ago
Leakage Resilient ElGamal Encryption
Blinding is a popular and well-known countermeasure to protect public-key cryptosystems against side-channel attacks. The high level idea is to randomize an exponentiation in order...
Eike Kiltz, Krzysztof Pietrzak
ACNS
2003
Springer
147views Cryptology» more  ACNS 2003»
14 years 7 days ago
Side-Channel Attack on Substitution Blocks
1 We describe a side-channel attack on a substitution block, which is usually implemented as a table lookup operation. In particular, we have investigated smartcard implementations...
Roman Novak