Research output per year
Research output per year
Personal profile
Research
My research interests include information security, cryptography, and cryptographic implementations. Now I am focusing on (i) the practical aspects of post-quantum cryptography and (ii) the connections between cryptography and machine learning -- such as employing machine learning in side-channel attacks and homomorphic encryption for secure (privacy-preserving) machine learning.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
UKÄ subject classification
- Computer Science
- Computer Systems
- Communication Systems
Free keywords
- information security
- software security
- cryptography
- post-quantum cryptography
- side-channel attack
- cryptographic implementations
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Collaborations the last five years
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Research output
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OT-PCA: New Key-Recovery Plaintext-Checking Oracle Based Side-Channel Attacks on HQC with Offline Templates
Dong, H. & Guo, Q., 2025, In: IACR Transactions on Cryptographic Hardware and Embedded Systems (TCHES). 2025, 1Research output: Contribution to journal › Article › peer-review
Open Access -
The Perils of Limited Key Reuse: Adaptive and Parallel Mismatch Attacks with Post-processing Against Kyber
Guo, Q., Mårtensson, E. & Åström, A., 2024 Oct 7, In: IACR Communications in Cryptology. 1, 3Research output: Contribution to journal › Article › peer-review
Open Access -
A Key-Recovery Attack on the LCMQ Authentication Protocol
Nguyen, V., Johansson, T. & Guo, Q., 2024 Jul 5, 2024 IEEE International Symposium on Information Theory (ISIT). IEEE - Institute of Electrical and Electronics Engineers Inc., p. 1824-1829 5 p.Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review
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A New Sieving-style Information-set Decoding Algorithm
Nguyen, V., Johansson, T. & Guo, Q., 2024, In: IEEE Transactions on Information Theory. 70, 11, p. 8303-8319 16 p.Research output: Contribution to journal › Article › peer-review
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Divide and Surrender: Exploiting Variable Division Instruction Timing in HQC Key Recovery Attacks
Schröder, R. L., Gast, S. & Guo, Q., 2024, Proceedings of the 33rd USENIX Security Symposium. p. 6669 - 6686 373Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review
Open Access
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Machine-Learning-Aided Side-Channel Analysis in Post-Quantum Cryptography
Guo, Q. (PI)
2024/01/01 → 2025/12/31
Project: Research
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Maskininlärningsstödd sidokanalanalys inom postkvantkryptering
Guo, Q. (PI)
2024/01/01 → 2025/12/31
Project: Research
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Side-Channel Vulnerability and Threat Analysis with Machine Learning Awareness
Johansson, T. (Researcher), Guo, Q. (Researcher) & Johansson, A. (Researcher)
2021/04/01 → 2026/03/01
Project: Research
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Lightweight Cryptography for Autonomous Vehicles
Johansson, T. (Researcher) & Guo, Q. (Researcher)
2020/08/01 → 2023/12/31
Project: Research
Activities
- 1 Invited talk
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Side-channel-assisted key-recovery chosen-ciphertext attacks on several NIST PQC KEMs
Guo, Q. (Invited speaker)
2022 Jun 28Activity: Talk or presentation › Invited talk
Prizes and Distinction
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Best Paper Award of Asiacrypt 2014
Guo, Q. (Recipient), Johansson, T. (Recipient) & Löndahl, C. (Recipient), 2014
Prize: Prize (including medals and awards)