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» Models and Proofs of Protocol Security: A Progress Report
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ACNS
2006
Springer
81views Cryptology» more  ACNS 2006»
14 years 1 months ago
A Handy Multi-coupon System
A coupon is an electronic data that represents the right to access a service provided by a service provider (e.g. gift certificates or movie tickets). Recently, a privacyprotectin...
Sébastien Canard, Aline Gouget, Emeline Huf...
PKC
2007
Springer
129views Cryptology» more  PKC 2007»
14 years 1 months ago
Two-Tier Signatures, Strongly Unforgeable Signatures, and Fiat-Shamir Without Random Oracles
We provide a positive result about the Fiat-Shamir (FS) transform in the standard model, showing how to use it to convert threemove identification protocols into two-tier signatur...
Mihir Bellare, Sarah Shoup
CRYPTO
2010
Springer
158views Cryptology» more  CRYPTO 2010»
13 years 8 months ago
Interactive Locking, Zero-Knowledge PCPs, and Unconditional Cryptography
Motivated by the question of basing cryptographic protocols on stateless tamper-proof hardware tokens, we revisit the question of unconditional two-prover zero-knowledge proofs fo...
Vipul Goyal, Yuval Ishai, Mohammad Mahmoody, Amit ...
CRYPTO
2003
Springer
109views Cryptology» more  CRYPTO 2003»
14 years 17 days ago
On Deniability in the Common Reference String and Random Oracle Model
We revisit the definitions of zero-knowledge in the Common Reference String (CRS) model and the Random Oracle (RO) model. We argue that even though these definitions syntacticall...
Rafael Pass
ICC
2007
IEEE
117views Communications» more  ICC 2007»
14 years 1 months ago
Price Negotiation Systems for M-commerce
— As content delivery to wireless devices becomes faster and scalable, it is likely that mobile commerce will constitute a significant portion of digital commerce. In markets, b...
Huafei Zhu, Feng Bao, A. Lakshminarayanan