Identity-Based Encryption Resilient to Continual Auxiliary Leakage.
Tsz Hon Yuen, Sherman S. M. Chow, Ye Zhang, Siu-Ming Yiu: Identity-Based Encryption Resilient to Continual Auxiliary Leakage. EUROCRYPT 2012: 117-134
CV
Education
- B.Eng. in Information Engineering, The Chinese University of Hong Kong, 2004
- M.Phil. in Information Engineering, The Chinese University of Hong Kong, 2006
- Ph.D, University of Wollongong, 2010
Work experience
- July 2018 - Dec 2023: Assistant Professor
- Department of Computer Science, The University of Hong Kong
- Duties included: Teaching undergraduate and postgraduate courses in computer science and finanical technology.
- Research directions: Public key cryptography, blockchain, privacy
- Dec 2013 - July 2018: Senior Researcher
- Shield Lab, Huawei Singapore Research Centre
- Duties included: Participate in the Cryptography Expert Group of Huawei and provide consultations on cryptographic algorithms used in Huawei’s products, including mobile devices, network devices, databases, softwares and cloud applications. Research in cryptographic protocols, apply for their patents and develop prototypes for products, including key management server, pseudorandom number generator, big data privacy system, and identity-based encryption for mobile communication.
- Research directions: Public key cryptography, blockchain, pseudorandom number generator
- Dec 2010 - Dec 2013: Post-Doctoral Fellow
- The University of Hong Kong
- Research directions: Identity-based encryption, attribute-based encryption, leakage resillient cryptography, anonymous credential
Selected Publications
PE(AR)2: Privacy-Enhanced Anonymous Authentication with Reputation and Revocation.
Kin Ying Yu, Tsz Hon Yuen, Sherman S. M. Chow, Siu-Ming Yiu, Lucas Chi Kwong Hui: PE(AR)2: Privacy-Enhanced Anonymous Authentication with Reputation and Revocation. ESORICS 2012: 679-696
Multi-key Leakage-resilient Threshold Cryptography.
Cong Zhang, Tsz Hon Yuen, Hao Xiong, Sherman S. M. Chow, Siu-Ming Yiu, Yi Jun He: Multi-key leakage-resilient threshold cryptography. AsiaCCS 2013: 61-70
Efficient Linkable and/or Threshold Ring Signature Without Random Oracles.
Tsz Hon Yuen, Joseph K. Liu, Man Ho Au, Willy Susilo, Jianying Zhou: Efficient Linkable and/or Threshold Ring Signature Without Random Oracles. Comput. J. 56(4): 407-421 (2013)
Identity-Based Encryption with Post-Challenge Auxiliary Inputs for Secure Cloud Applications and Sensor Networks.
Tsz Hon Yuen, Ye Zhang, Siu-Ming Yiu, Joseph K. Liu: Identity-Based Encryption with Post-Challenge Auxiliary Inputs for Secure Cloud Applications and Sensor Networks. ESORICS (1) 2014: 130-147
Continuous Non-malleable Key Derivation and Its Application to Related-Key Security.
Baodong Qin, Shengli Liu, Tsz Hon Yuen, Robert H. Deng, Kefei Chen: Continuous Non-malleable Key Derivation and Its Application to Related-Key Security. Public Key Cryptography 2015: 557-578
Related Randomness Attacks for Public Key Cryptosystems.
Tsz Hon Yuen, Cong Zhang, Sherman S. M. Chow, Siu-Ming Yiu: Related Randomness Attacks for Public Key Cryptosystems. AsiaCCS 2015: 215-223
k-Times Attribute-Based Anonymous Access Control for Cloud Computing.
Tsz Hon Yuen, Joseph K. Liu, Man Ho Au, Xinyi Huang, Willy Susilo, Jianying Zhou: k-Times Attribute-Based Anonymous Access Control for Cloud Computing. IEEE Trans. Computers 64(9): 2595-2608 (2015)
Efficient Construction of Completely Non-Malleable CCA Secure Public Key Encryption.
Shifeng Sun, Dawu Gu, Joseph K. Liu, Udaya Parampalli, Tsz Hon Yuen: Efficient Construction of Completely Non-Malleable CCA Secure Public Key Encryption. AsiaCCS 2016: 901-906
An Efficient Non-interactive Multi-client Searchable Encryption with Support for Boolean Queries.
Shifeng Sun, Joseph K. Liu, Amin Sakzad, Ron Steinfeld, Tsz Hon Yuen: An Efficient Non-interactive Multi-client Searchable Encryption with Support for Boolean Queries. ESORICS (1) 2016: 154-172
Efficient Privacy-Preserving Charging Station Reservation System for Electric Vehicles.
Joseph K. Liu, Willy Susilo, Tsz Hon Yuen, Man Ho Au, Jun-bin Fang, Zoe L. Jiang, Jianying Zhou: Efficient Privacy-Preserving Charging Station Reservation System for Electric Vehicles. Comput. J. 59(7): 1040-1053 (2016)
RingCT 2.0: A Compact Accumulator-Based (Linkable Ring Signature) Protocol for Blockchain Cryptocurrency Monero.
Shifeng Sun, Man Ho Au, Joseph K. Liu, Tsz Hon Yuen: RingCT 2.0: A Compact Accumulator-Based (Linkable Ring Signature) Protocol for Blockchain Cryptocurrency Monero. ESORICS (2) 2017: 456-474
A General Framework for Secure Sharing of Personal Health Records in Cloud System.
Man Ho Au, Tsz Hon Yuen, Joseph K. Liu, Willy Susilo, Xinyi Huang, Yang Xiang, Zoe L. Jiang: A General Framework for Secure Sharing of Personal Health Records in Cloud System. J. Comput. Syst. Sci. 90: 46-62 (2017)
Security-Mediated Certificateless Undeniable Signature Scheme.
Tsz Hon Yuen and Swee-Huay Heng: Security-Mediated Certificateless Undeniable Signature Scheme. ICICT 2018
Time-Based Direct Revocable Ciphertext-Policy Attribute-Based Encryption with Short Revocation List
Joseph K. Liu, Tsz Hon Yuen, Peng Zhang, Kaitai Liang: Time-Based Direct Revocable Ciphertext-Policy Attribute-Based Encryption with Short Revocation List. ACNS 2018: 516-534.
Compact Ring Signature in the Standard Model for Blockchain.
Hao Ren, Peng Zhang, Qingchun Shentu, Joseph K. Liu and Tsz Hon Yuen: Compact Ring Signature in the Standard Model for Blockchain. ISPEC 2018
Anonymity Reduction Attacks To Monero.
Dimaz Ankaa Wijaya, Joseph K. Liu, Ron Steinfeld, Dongxi Liu and Tsz Hon Yuen: Anonymity Reduction Attacks To Monero. Inscrypt 2018: 86-100
PAChain: Private, Authenticated Auditable Consortium Blockchain.
Tsz Hon Yuen: PAChain: Private, Authenticated Auditable Consortium Blockchain. CANS 2019: 214-234. Full version can be found in http://thyuen.github.io/files/cans.pdf
Securely Perturb Big Data by Using Inner Product Encryption.
Mingli Wu and Tsz Hon Yuen: Securely Perturb Big Data by Using Inner Product Encryption. IEEE DSC 2019, pp. 1-8.
Strong Known Related-Key Attacks and the Security of ECDSA.
Tsz Hon Yuen and Siu-Ming Yiu: Strong Known Related-Key Attacks and the Security of ECDSA. NSS 2019: 130-145.
Server-aided Revocable Attribute-based Encryption for Cloud Computing Services.
Hui Cui, Tsz Hon Yuen, Robert H. Deng, Guilin Wang: Server-aided revocable attribute-based encryption for cloud computing services. Concurr. Comput. Pract. Exp. 32(14) (2020).
Non-Interactive Multi-Client Searchable Encryption: Realization and Implementation.
Shi-Feng Sun, Cong Zuo, Joseph Liu, Amin Sakzad, Ron Steinfeld, Tsz Hon Yuen, Xingliang Yuan, Dawu Gu: Non-Interactive Multi-Client Searchable Encryption: Realization and Implementation. To appear in IEEE Transactions on Dependable and Secure Computing, 2020.
RingCT 3.0 for Blockchain Confidential Transaction: Shorter Size and Stronger Security.
Tsz Hon Yuen, Shi-feng Sun, Joseph K. Liu, Man Ho Au, Muhammed F. Esgin, Qingzhao Zhang and Dawu Gu: RingCT 3.0 for Blockchain Confidential Transaction: Shorter Size and Stronger Security. In FC 2020, 464-483.
PAChain: Private, Authenticated & Auditable Consortium Blockchain and its Implementation.
Tsz Hon Yuen: PAChain: Private, Authenticated & Auditable Consortium Blockchain and its Implementation. Future Generation Computer Systems. Volume 112, November 2020, Pages 913-929.
LPPRS: New Location Privacy Preserving Schemes Based on Ring Signature over Mobile Social Networks.
Cailing Cai and Tsz Hon Yuen: LPPRS: New Location Privacy Preserving Schemes Based on Ring Signature over Mobile Social Networks. In Inscrypt 2020: 288-303.
Compatible Certificateless and Identity-Based Cryptosystems for Heterogeneous IoT.
Rouzbeh Behnia, Attila Altay Yavuz, Muslum Ozgur Ozmen, and Tsz Hon Yuen: Compatible Certificateless and Identity-Based Cryptosystems for Heterogeneous IoT. In ISC 2020: 39-58.
Address-based Signature.
Handong Cui and Tsz Hon Yuen: Address-based Signature. In IEEE TrustCom 2020: 884-891.
Compact Zero-Knowledge Proofs for Threshold ECDSA with Trustless Setup.
Tsz Hon Yuen, Handong Cui and Xiang Xie: Compact Zero-Knowledge Proofs for Threshold ECDSA with Trustless Setup. In PKC 2021: 481-511.
DualRing: Generic Construction of Ring Signatures with Efficient Instantiations.
Tsz Hon Yuen, Muhammed F. Esgin, Joseph K. Liu, Man Ho Au and Zhimin Ding: DualRing: Generic Construction of Ring Signatures with Efficient Instantiations. In CRYPTO 2021: 251-281.
Security on SM2 and GOST Signatures against Related Key Attacks.
Handong Cui, Xianrui Qin, Cailing Cai and Tsz Hon Yuen : Security on SM2 and GOST Signatures against Related Key Attacks. In IEEE Trustcom 2021: 155-163.
One-more Unforgeability of Blind ECDSA.
Xianrui Qin, Cailing Cai and Tsz Hon Yuen: One-more Unforgeability of Blind ECDSA. In ESORICS 2021: 313-331.
Efficient Online-friendly Two-Party ECDSA Signature.
Haiyang Xue, Man Ho Au, Xiang Xie, Tsz Hon Yuen and Handong Cui: Efficient Online-friendly Two-Party ECDSA Signature. In CCS 2021: 558-573.
A Trustless GQ Multi-Signature Scheme with Identifiable Abort.
Handong Cui and Tsz Hon Yuen: A Trustless GQ Multi-Signature Scheme with Identifiable Abort. In ACISP 2021: 673-693.
Privacy-Preserving COVID-19 Contact Tracing App: A Zero-Knowledge Proof Approach.
Joseph K. Liu, Man Ho Au, Tsz Hon Yuen, Cong Zuo, Jiawei Wang, Amin Sakzad, Xiapu Luo, Li Li: Privacy-Preserving COVID-19 Contact Tracing App: A Zero-Knowledge Proof Approach. In ISPEC 2021, 327-344.
Tight Leakage-Resilient Identity-based Encryption under Multi-challenge Setting.
Cailing Cai, Xianrui Qin, Tsz Hon Yuen and Siu-Ming Yiu: Tight Leakage-Resilient Identity-based Encryption under Multi-challenge Setting. In AsiaCCS 2022: 42-53.
Using Clinical History Taking Chatbot Mobile App for Clinical Bedside Teachings - A Prospective Case Control Study.
Michael Co, Tsz Hon Yuen and Ho Hung Cheung: Using clinical history taking chatbot mobile app for clinical bedside teachings - A prospective case control study. In Heliyon. Volume 8, Issue 6, June 2022.
Don’t Tamper with Dual System Encryption (Beyond Polynomial Related-Key Security of IBE).
Tsz Hon Yuen, Cong Zhang and Sherman S. M. Chow: Don’t Tamper with Dual System Encryption (Beyond Polynomial Related-Key Security of IBE). In ACNS 2022: 419-439.
Hash Proof System with Auxilary Inputs and Its Applications.
Cailing Cai, Tsz Hon Yuen and Siu-Ming Yiu: Hash Proof System with Auxiliary Inputs and Its Applications. To appear in IEEE TrustCom 2022.
GCD-Filter: Private Set Intersection Without Encryption
Mingli Wu and Tsz Hon Yuen: GCD-Filter: Private Set Intersection Without Encryption. To appear in WASA 2022.
Attribute-based Anonymous Credential: Optimization for Single-Use and Multi-Use
Kwan Yin Chan and Tsz Hon Yuen: Attribute-based Anonymous Credential: Optimization for Single-Use and Multi-Use. In CANS 2022: 89-121.
Multi-signatures for ECDSA and its Applications in Blockchain
Shimin Pan, Kwan Yin Chan, Handong Cui and Tsz Hon Yuen: Multi-signatures for ECDSA and its Applications in Blockchain. In ACISP 2022: 265-285.
Hash Proof System With Auxiliary Inputs and Its Application
Cailing Cai, Tsz Hon Yuen and Siu Ming Yiu: Hash Proof System With Auxiliary Inputs and Its Application. In IEEE Trustcom 2022, 52-59.
A Critique on Decentralized Finance from a Social, Political, and Economic Perspective.
Zi Zheng Fong Hu, Tsz Hon Yuen: A Critique on Decentralized Finance from a Social, Political, and Economic Perspective. Blockchain 2023(1): 0006.
Practical fully leakage resilient signatures with auxiliary inputs.
Cailing Cai, Shimin Pan, Tsz Hon Yuen, Siu-Ming Yiu: Practical fully leakage resilient signatures with auxiliary inputs. Future Generation Computer Systems. Volume 141, April 2023, Pages 448-461.
BlindHub: Bitcoin-Compatible Privacy-Preserving Payment Channel Hubs Supporting Variable Amounts.
Xianrui Qin, Shimin Pan, Arash Mirzaei, Zhimei Sui, Oğuzhan Ersoy, Amin Sakzad, Muhammed F. Esgin, Joseph K. Liu, Jiangshan Yu, Tsz Hon Yuen: BlindHub: Bitcoin-Compatible Privacy-Preserving Payment Channel Hubs Supporting Variable Amounts. To appear in IEEE S&P 2023.
Bandwidth-Efficient Zero-Knowledge Proofs For Threshold ECDSA.
Handong Cui, Kwan Yin Chan, Tsz Hon Yuen, Xin Kang, Cheng-Kang Chu: Bandwidth-Efficient Zero-Knowledge Proofs For Threshold ECDSA. In the Computer Journal. bxad057.
Scored Anonymous Credentials.
Sherman S. M. Chow, Jack P. K. Ma and Tsz Hon Yuen: Scored Anonymous Credentials. In ACNS 2023: 484-515.
Practical Verifiable Random Function with RKA Security.
Tsz Hon Yuen, Shimin Pan, Sheng Huang and Xiaoting Zhang: Practical Verifiable Random Function with RKA Security. In ACISP 2023: 503-522.
Efficient Unbalanced Private Set Intersection Cardinality and User-friendly Privacy-preserving Contact Tracing.
Mingli Wu and Tsz Hon Yuen: Efficient Unbalanced Private Set Intersection Cardinality and User-friendly Privacy-preserving Contact Tracing. In USENIX 2023.
DIDO: Data Provenance from Restricted TLS 1.3 Websites.
Kwan Yin Chan, Handong Cui, Tsz Hon Yuen: DIDO: Data Provenance from Restricted TLS 1.3 Websites. ISPEC 2023: 154-169
Efficient Multiplicative-to-Additive Function from Joye-Libert Cryptosystem and Its Application to Threshold ECDSA.
Haiyang Xue, Man Ho Au, Mengling Liu, Kwan Yin Chan, Handong Cui, Xiang Xie, Tsz Hon Yuen, Chengru Zhang: Efficient Multiplicative-to-Additive Function from Joye-Libert Cryptosystem and Its Application to Threshold ECDSA. CCS 2023: 2974-2988
Reconstructing Chameleon Hash: Full Security and the Multi-Party Setting.
Kwan Yin Chan, Liqun Chen, Yangguang Tian, and Tsz Hon Yuen: Reconstructing Chameleon Hash: Full Security and the Multi-Party Setting. To appear in AsiaCCS 2024.
zkMatrix: Batched Short Proof for Committed Matrix Multiplication.
Mingshu Cong, Tsz Hon Yuen, Siu-Ming Yiu: zkMatrix: Batched Short Proof for Committed Matrix Multiplication. To appear in AsiaCCS 2024.
Talks
Blockchain: How crypto meets the industry?
Invited Talk at 13th International Conference on Information Security Practice and Experience (ISPEC), Melbourne, Australia
Privacy-Enhancing Consortium Blockchain
Invited Talk at Second ACM Workshop on Blockchains, Cryptocurrencies and Contracts (BCC'18), Incheon, Korea
Patents
- Filed Patents:
- T. H. Yuen, S. M. Chow, W. F. Lai. “Searchable Encryption with Hybrid Index”. Singapore Patent 10201706106Q, 26 Jul 2017.
- B. Smyth, E. Quaglia, T. H. Yuen. “A Wireless Communication Device for Communication in a Wireless Communication Network”. EU Patent to be filed, 20 Mar 2017.
- T. H. Yuen, Z. Zhang. “System and Method for Performing Cryptographic Operations”. Singapore Patent 10201609472S, 11 Nov 2016. (Also in PCT)
- H. Cui, R. H. Deng, Y. Li, G. Wang, T. H. Yuen. “Data Processing Method and Apparatus”. China Patent 201610640301.X, 5 Aug 2016. (Also in PCT/SG2017/050114, PCT/SG2017/050328, EU, India, Japan, Korea, US)
- T. H. Yuen, S. Wu. “Method of Obfuscating Data”. Singapore Patent 10201502401X, 26 Mar 2015. (Also in PCT WO2016153430A1, China CN107078899A, EU EP3134994A1, US US20170091485, France, Germany, UK)
- T. H. Yuen. “System and Method for Searching a Symmetrically Encrypted Database for Conjunctive Keywords”. Singapore Patent 10201407705S, 18 Nov 2014. (Also in US 20160140179)
Awards
- Best Paper Award
- International Congress on Information and Communication Technology (ICICT) 2018. Tsz Hon Yuen, Swee-Huay Heng: Security Mediated Certificateless Undeniable Signature Scheme.
- European Symposium on Research in Computer Security (ESORICS) 2014. Tsz Hon Yuen, Ye Zhang, Siu-Ming Yiu, Joseph K. Liu: Identity-Based Encryption with Post-Challenge Auxiliary Inputs for Secure Cloud Applications and Sensor Networks.
Service and leadership
- Program chair
- International Conference on Provable and Practical Security (ProvSec) 2019
- Program committee member
- IEEE Conference on Dependable and Secure Computing (IEEE DSC) 2020
- European Symposium on Research in Computer Security (ESORICS) 2020
- International Conference on Information Security and Cryptology (Inscrypt) 2020
- International Annual Conference on Privacy, Security and Trust (PST) 2020
- IEEE Global Communications Conference, Communication and Information System Security Symposium (IEEE Globecom CISS) 2020, 2019, 2018, 2017, 2016
- IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom), Emerging Technologies, 2020, 2019.
- International Conference on Applied Cryptography and Network Security (ACNS) 2019
- Blockchain and Sharing Economy Applications (BlockSEA) 2018
- Australasian Conference on Information Security and Privacy (ACISP) 2020, 2017, 2016
- International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP) 2017
- International Conference on Information Security Practice and Experience (ISPEC) 2019, 2017
- IEEE International Conference on Parallel and Distributed Systems (ICPADS) 2015
- International Symposium on Security and Privacy in Social Networks and Big Data (SocialSec) 2015
- International Conference on Information and Communication Security (ICICS) 2020, 2019, 2018, 2014
- Information Security Conference (ISC) 2020, 2014
- International Conference on P2P, Parallel, Grid, Cloud and Internet Computing (3PGCIC) 2014
- Network and System Security (NSS) 2020, 2019, 2014
- International Conference on Provable Security (ProvSec) 2018, 2016, 2013
- International Symposium on Cyberspace Safety and Security (CSS) 2013
- International Workshop on Large-Scale Network Security (LSNS) 2013
- IEEE International Conference on Intelligent Networking and Collaborative Systems (IEEE INCoS) 2013
- International Conference on Emerging Intelligent Data and Web Technologies (EIDWT) 2013
- IEEE International Conference and Workshops on Cloud Computing Technology and Science (IEEE CloudCom) 2012, 2013
- IEEE International Conference on Green Computing and Communications (IEEE GreenCom) 2013
- Publication Chair
- International Conference on Information and Communication Security (ICICS) 2012.