1

Security Attacks Abusing Pulse-level Quantum Circuits
This work presented the first thorough exploration of the attacks on the interface between gate-level and pulse-level quantum circuits …
Chuanqi Xu, Jakub Szefer
Cite DOI arXiv pdf
Protecting Quantum Computers with a Trusted Controller
Rapidly evolving research on quantum computers brings closer reality of practical quantum computers that can solve previously …
Theodoros Trochatos, Chuanqi Xu, Sanjay Deshpande, Yao Lu, Yongshan Ding, Jakub Szefer
Cite DOI
Quantum Computer Fault Injection Attacks
The rapid growth of interest in quantum computing has brought about the need to secure these emerging computers against a range of …
Chuanqi Xu, Ferhat Erata, Jakub Szefer
Cite DOI pdf arXiv
Extending and Defending Attacks on Reset Operations in Quantum Computers
The development of quantum computers has been advancing rapidly in recent years. As quantum computers become more widely accessible, …
Jerry Tan, Chuanqi Xu, Theodoros Trochatos, Jakub Szefer
Cite DOI pdf arXiv
A Thorough Study of State Leakage Mitigation in Quantum Computing with One-Time Pad
The ability for users to access quantum computers through the cloud has increased rapidly in recent years. Despite still being Noisy …
Chuanqi Xu, Jamie Sikora, Jakub Szefer
Cite DOI arXiv arXiv-pdf
Dynamic Pulse Switching for Protection of Quantum Computation on Untrusted Clouds
Quantum computing resources are now becoming easily accessible from various cloud providers. Although still in the Noisy Intermediate …
Theodoros Trochatos, Sanjay Deshpande, Chuanqi Xu, Yao Lu, Yongshan Ding, Jakub Szefer
Cite DOI
Exploration of Power Side-Channel Vulnerabilities in Quantum Computer Controllers
The rapidly growing interest in quantum computing also increases the importance of securing these computers from various physical …
Chuanqi Xu, Ferhat Erata, Jakub Szefer
Cite DOI arXiv arXiv-pdf
Securing NISQ Quantum Computer Reset Operations Against Higher Energy State Attacks
Enabling the sharing of quantum computers among different users requires a secure reset operation that can reset the state of a qubit …
Chuanqi Xu, Jessie Chen, Allen Mi, Jakub Szefer
Cite DOI
Long-Term Analysis of the Dependability of Cloud-based NISQ Quantum Computers
Numerous public cloud infrastructure providers today allow for access to Noisy Intermediate-Scale Quantum (NISQ) computers. Changes in …
Chuanqi Xu, Jakub Szefer
Cite DOI pdf
Fast and Efficient Hardware Implementation of HQC
This work presents a hardware design for constant-time implementation of the HQC (Hamming Quasi-Cyclic) code-based key encapsulation …
Sanjay Deshpande, Chuanqi Xu, Mamuri Nawan, Kashif Nawaz, Jakub Szefer
Cite pdf ePrint