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20202026
most citedOn The Round Complexity of Secure Quantum Computation

2 citations · 7 across the 19 of their papers we have counts for

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quant-ph2026

Natural Barriers to Quantum Extraction: On the Post-Quantum (In)security of (O)EKE and Masny-Rindal OT

James Bartusek, Jake Januzelli

Encrypted key exchange (EKE), introduced by Bellovin and Merritt (IEEE S\&P 1992), and Masny-Rindal OT, introduced by Masny and Rindal (ACM CCS 2019), are highly-efficient methods…

quant-ph2026

Succinct Arguments for QMA from Collapsing Hash Functions

James Bartusek, Giulio Malavolta

We prove the existence of succinct arguments for QMA, assuming only the existence of collapsing hash functions. This is the first scheme that relies only on unstructured ``Minicryp…

quant-ph2026

On the Cryptographic Structure Required for Verifying Qubits

James Bartusek, Itay Shalit

Classically testing for the presence of anti-commuting operators on a quantum device is a critical tool underpinning recent progress in classical verification of quantum computatio…

quant-ph2026

A Modular Approach to Succinct Arguments for QMA

James Bartusek, Jiahui Liu, Giulio Malavolta

Succinct argument systems are of central importance to modern crytpography, enabling the efficient verification of computational claims. In the classical setting, Kilian (STOC 92)…

quant-ph2026

How To Track Qubits Through Space and Time (Or: Sailing in a Quantum Boat)

James Bartusek, Zikuan Huang, Leo Orshansky +1

While quantum position verification aims to certify a prover's location using quantum information, existing security definitions only guarantee that part of the successful adversar…

cs.CR2026

A Note on Boosting Uncloneable Encryption in Microcrypt

James Bartusek, Eli Goldin

In this note, we consider the setting of uncloneable encryption satisfying uncloneable indistinguishability, a form of symmetric key encryption that prevents the cloning of ciphert…

cs.CR2026

Unclonable Encryption in the Haar Random Oracle Model

James Bartusek, Eli Goldin

We construct unclonable encryption (UE) in the Haar random oracle model, where all parties have query access to for a Haar random unitary . Our scheme sati…