Theory of Cryptography [electronic resource] : Fifth Theory of Cryptography Conference, TCC 2008, New York, USA, March 19-21, 2008. Proceedings / edited by Ran Canetti.

Technical Session 1 -- Incrementally Verifiable Computation or Proofs of Knowledge Imply Time/Space Efficiency -- On Seed-Incompressible Functions -- Technical Session 2 -- Asymptotically Efficient Lattice-Based Digital Signatures -- Basing Weak Public-Key Cryptography on Strong One-Way Functions -- Technical Session 3 -- Which Languages Have 4-Round Zero-Knowledge Proofs? -- How to Achieve Perfect Simulation and A Complete Problem for Non-interactive Perfect Zero-Knowledge -- General Properties of Quantum Zero-Knowledge Proofs -- Technical Session 4 -- The Layered Games Framework for Specifications and Analysis of Security Protocols -- Universally Composable Multi-party Computation with an Unreliable Common Reference String -- Efficient Protocols for Set Intersection and Pattern Matching with Security Against Malicious and Covert Adversaries -- Fast Private Norm Estimation and Heavy Hitters -- Technical Session 5 -- Matroids Can Be Far from Ideal Secret Sharing -- Perfectly-Secure MPC with Linear Communication Complexity -- MPC vs. SFE: Perfect Security in a Unified Corruption Model -- Invited Talk -- Bridging Game Theory and Cryptography: Recent Results and Future Directions -- Technical Session 6 -- Verifiably Secure Devices -- Lower Bounds on Implementing Robust and Resilient Mediators -- Cryptography and Game Theory: Designing Protocols for Exchanging Information -- Technical Session 7 -- Equivocal Blind Signatures and Adaptive UC-Security -- P-signatures and Noninteractive Anonymous Credentials -- Technical Session 8 -- Multi-property Preserving Combiners for Hash Functions -- OT-Combiners via Secure Computation -- Semi-honest to Malicious Oblivious Transfer—The Black-Box Way -- Black-Box Construction of a Non-malleable Encryption Scheme from Any Semantically Secure One -- Technical Session 9 -- A Linear Lower Bound on the Communication Complexity of Single-Server Private Information Retrieval -- Randomness Extraction Via ?-Biased Masking in the Presence of a Quantum Attacker -- Technical Session 10 -- An Equivalence Between Zero Knowledge and Commitments -- Interactive and Noninteractive Zero Knowledge are Equivalent in the Help Model -- Technical Session 11 -- The Round-Complexity of Black-Box Zero-Knowledge: A Combinatorial Characterization -- On Constant-Round Concurrent Zero-Knowledge -- Technical Session 12 -- Concurrent Non-malleable Commitments from Any One-Way Function -- Faster and Shorter Password-Authenticated Key Exchange -- Technical Session 13 -- Saving Private Randomness in One-Way Functions and Pseudorandom Generators -- Degradation and Amplification of Computational Hardness.