Public-Key Cryptography – PKC 2019: 22nd IACR International Conference on Practice and Theory of Public-Key Cryptography, Beijing, China, April 14-17, 2019, Proceedings, Part II

Description

The two-volume set LNCS 11442 and 11443 constitutes the refereed proceedings of the 22nd IACR International Conference on the Practice and Theory of Public-Key Cryptography, PKC 2019, held in Beijing, China, in April 2019. The 42 revised papers presented were carefully reviewed and selected from 173 submissions. They are organized in topical sections such as: Cryptographic Protocols; Digital Signatures; Zero-Knowledge; Identity-Based Encryption; Fundamental Primitives; Public Key Encryptions; Functional Encryption; Obfuscation Based Cryptography; Re- Encryption Schemes; Post Quantum Cryptography.​ Front Matter ....Pages i-xviii Front Matter ....Pages 1-1 Collusion Resistant Broadcast and Trace from Positional Witness Encryption (Rishab Goyal, Satyanarayana Vusirikala, Brent Waters)....Pages 3-33 Break-glass Encryption (Alessandra Scafuro)....Pages 34-62 Registration-Based Encryption from Standard Assumptions (Sanjam Garg, Mohammad Hajiabadi, Mohammad Mahmoody, Ahmadreza Rahimi, Sruthi Sekar)....Pages 63-93 Front Matter ....Pages 95-95 FE for Inner Products and Its Application to Decentralized ABE (Zhedong Wang, Xiong Fan, Feng-Hao Liu)....Pages 97-127 Decentralizing Inner-Product Functional Encryption (Michel Abdalla, Fabrice Benhamouda, Markulf Kohlweiss, Hendrik Waldner)....Pages 128-157 Non-zero Inner Product Encryption Schemes from Various Assumptions: LWE, DDH and DCR (Shuichi Katsumata, Shota Yamada)....Pages 158-188 Function Private Predicate Encryption for Low Min-Entropy Predicates (Sikhar Patranabis, Debdeep Mukhopadhyay, Somindu C. Ramanna)....Pages 189-219 Front Matter ....Pages 221-221 Adaptively Single-Key Secure Constrained PRFs for \(\mathrm {NC}^1\) (Nuttapong Attrapadung, Takahiro Matsuda, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa)....Pages 223-253 Obfuscating Simple Functionalities from Knowledge Assumptions (Ward Beullens, Hoeteck Wee)....Pages 254-283 Front Matter ....Pages 285-285 What About Bob? The Inadequacy of CPA Security for Proxy Reencryption (Aloni Cohen)....Pages 287-316 Adaptively Secure Proxy Re-encryption (Georg Fuchsbauer, Chethan Kamath, Karen Klein, Krzysztof Pietrzak)....Pages 317-346 Front Matter ....Pages 347-347 Generic Constructions of Robustly Reusable Fuzzy Extractor (Yunhua Wen, Shengli Liu, Dawu Gu)....Pages 349-378 Safety in Numbers: On the Need for Robust Diffie-Hellman Parameter Validation (Steven Galbraith, Jake Massimo, Kenneth G. Paterson)....Pages 379-407 Hunting and Gathering – Verifiable Random Functions from Standard Assumptions with Short Proofs (Lisa Kohl)....Pages 408-437 Front Matter ....Pages 439-439 Lattice-Based Revocable (Hierarchical) IBE with Decryption Key Exposure Resistance (Shuichi Katsumata, Takahiro Matsuda, Atsushi Takayasu)....Pages 441-471 Towards Non-Interactive Zero-Knowledge for NP from LWE (Ron D. Rothblum, Adam Sealfon, Katerina Sotiraki)....Pages 472-503 More Efficient Algorithms for the NTRU Key Generation Using the Field Norm (Thomas Pornin, Thomas Prest)....Pages 504-533 Efficiently Masking Binomial Sampling at Arbitrary Orders for Lattice-Based Crypto (Tobias Schneider, Clara Paglialonga, Tobias Oder, Tim Güneysu)....Pages 534-564 Decryption Failure Attacks on IND-CCA Secure Lattice-Based Schemes (Jan-Pieter D’Anvers, Qian Guo, Thomas Johansson, Alexander Nilsson, Frederik Vercauteren, Ingrid Verbauwhede)....Pages 565-598 Reducing the Key Size of McEliece Cryptosystem from Automorphism-induced Goppa Codes via Permutations (Zhe Li, Chaoping Xing, Sze Ling Yeo)....Pages 599-617 Key Encapsulation Mechanism with Explicit Rejection in the Quantum Random Oracle Model (Haodong Jiang, Zhenfeng Zhang, Zhi Ma)....Pages 618-645 Factoring Products of Braids via Garside Normal Form (Simon-Philipp Merz, Christophe Petit)....Pages 646-678 Back Matter ....Pages 679-680