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The increasing complexity of digital ecosystems and evolving cybersecurity threats have highlighted the limitations of traditional perimeter-based security models, leading to the growing adoption of Zero Trust Architecture (ZTA). ZTA…

Cryptography and Security · Computer Science 2026-01-21 Muhammad Liman Gambo , Ahmad Almulhem

We show that, for any language in NP, there is an entanglement-resistant constant-bit two-prover interactive proof system with a constant completeness vs. soundness gap. The previously proposed classical two-prover constant-bit interactive…

Quantum Physics · Physics 2007-07-13 Richard Cleve , Dmitry Gavinsky , Rahul Jain

We propose Grounded Adaptation for Zero-shot Executable Semantic Parsing (GAZP) to adapt an existing semantic parser to new environments (e.g. new database schemas). GAZP combines a forward semantic parser with a backward utterance…

Computation and Language · Computer Science 2021-02-03 Victor Zhong , Mike Lewis , Sida I. Wang , Luke Zettlemoyer

This paper proposes a three-step Secret Santa algorithm with setup that leverages Zero Knowledge Proofs (ZKP) to set up gift sender/receiver relations while maintaining the sender's confidentiality. The algorithm maintains a permutational…

Cryptography and Security · Computer Science 2025-01-14 Artem Chystiakov , Kyrylo Riabov

In this work, we provide the first lattice-based group signature that offers full dynamicity (i.e., users have the flexibility in joining and leaving the group), and thus, resolve a prominent open problem posed by previous works. Moreover,…

Cryptography and Security · Computer Science 2018-01-29 San Ling , Khoa Nguyen , Huaxiong Wang , Yanhong Xu

We propose three constructions of classically verifiable non-interactive zero-knowledge proofs and arguments (CV-NIZK) for QMA in various preprocessing models. - We construct a CV-NIZK for QMA in the quantum secret parameter model where a…

Quantum Physics · Physics 2022-11-16 Tomoyuki Morimae , Takashi Yamakawa

MPC-in-the-Head (MitH) is a general framework that allows constructing efficient Zero Knowledge protocols for general NP-relations from secure multiparty computation (MPC) protocols. In this paper we give the first machine-checked…

Cryptography and Security · Computer Science 2021-05-21 José Carlos Bacelar Almeida , Manuel Barbosa , Karim Eldefrawy , Stéphane Graham-Lengrand , Hugo Pacheco , Vitor Pereira

Zeiger is a pencil puzzle consisting of a rectangular grid, with each cell having an arrow pointing in horizontal or vertical direction. Some cells also contain a positive integer. The objective of this puzzle is to fill a positive integer…

Computational Complexity · Computer Science 2025-03-04 Suthee Ruangwises

How someone can get health insurance without sharing his health information? How you can get a loan without disclosing your credit score? There is a method to certify certain attributes of various data, either this is health metrics or…

Cryptography and Security · Computer Science 2020-06-18 Stavros Kassaras , Leandros Maglaras

Verification of the integrity of deep learning inference is crucial for understanding whether a model is being applied correctly. However, such verification typically requires access to model weights and (potentially sensitive or private)…

Machine Learning · Computer Science 2025-05-27 Mohammad M Maheri , Hamed Haddadi , Alex Davidson

This paper explores how zero-knowledge proofs can enhance Bitcoin's functionality and privacy. First, we consider Proof-of-Reserve schemes: by using zk-STARKs, a custodian can prove its Bitcoin holdings are more than a predefined threshold…

Cryptography and Security · Computer Science 2025-07-30 Yusuf Ozmiş

Incorporating external knowledge to Visual Question Answering (VQA) has become a vital practical need. Existing methods mostly adopt pipeline approaches with different components for knowledge matching and extraction, feature learning,…

Artificial Intelligence · Computer Science 2021-10-19 Zhuo Chen , Jiaoyan Chen , Yuxia Geng , Jeff Z. Pan , Zonggang Yuan , Huajun Chen

In today's world, secure and efficient biometric authentication is of keen importance. Traditional authentication methods are no longer considered reliable due to their susceptibility to cyber-attacks. Biometric authentication, particularly…

Cryptography and Security · Computer Science 2023-10-31 Pranay Kothari , Deepak Chopra , Manjot Singh , Shivam Bhardwaj , Rudresh Dwivedi

Knowledge base completion (KBC) aims to predict the missing links in knowledge graphs. Previous KBC tasks and approaches mainly focus on the setting where all test entities and relations have appeared in the training set. However, there has…

Computation and Language · Computer Science 2022-12-07 Pei Chen , Wenlin Yao , Hongming Zhang , Xiaoman Pan , Dian Yu , Dong Yu , Jianshu Chen

In the current digitalization era, capturing and effectively representing knowledge is crucial in most real-world scenarios. In this context, knowledge graphs represent a potent tool for retrieving and organizing a vast amount of…

When answering natural language questions over knowledge bases, missing facts, incomplete schema and limited scope naturally lead to many questions being unanswerable. While answerability has been explored in other QA settings, it has not…

Computation and Language · Computer Science 2023-06-27 Mayur Patidar , Prayushi Faldu , Avinash Singh , Lovekesh Vig , Indrajit Bhattacharya , Mausam

A powerful feature in mechanism design is the ability to irrevocably commit to the rules of a mechanism. Commitment is achieved by public declaration, which enables players to verify incentive properties in advance and the outcome in…

Theoretical Economics · Economics 2025-07-08 Ran Canetti , Amos Fiat , Yannai A. Gonczarowski

Many Large Language Models (LLMs) and LLM-powered apps deployed today use some form of prompt filter or alignment to protect their integrity. However, these measures aren't foolproof. This paper introduces KROP, a prompt injection technique…

Cryptography and Security · Computer Science 2024-06-19 Jason Martin , Kenneth Yeung

When can $t$ terminal pairs in an $m \times n$ grid be connected by $t$ vertex-disjoint paths that cover all vertices of the grid? We prove that this problem is NP-complete. Our hardness result can be compared to two previous NP-hardness…

The foundation of zero-knowledge is the simulator: a weak machine capable of pretending to be a weak verifier talking with all-powerful provers. To achieve this, simulators need some kind of advantage such as the knowledge of a trapdoor. In…

Quantum Physics · Physics 2019-07-31 Claude Crépeau , Nan Yang