Handong Cui

Ph.D.

hdcui[at]cs.hku.hk

Biography

Handong Cui obtained his Ph.D. degree from the Department of Computer Science at The University of Hong Kong in June 2024, under the supervision of Prof. John T. H. Yuen and Prof. S. M. Yiu. His research includes multiparty threshold signature, zero-knowledge proof, blockchain security, TLS oracle. He is now working for China Mobile as a cryptography product expert.

Publications

• DIDO: Data Provenance from Restricted TLS 1.3 Websites
  Kwan Yin Chan, Handong Cui, Tsz Hon Yuen.
  Published in The 18th International Conference on Information Security Practice and Experience, Springer., 2023. (ISPEC 2023)
• Bandwidth-Efficient Zero-Knowledge Proofs for Threshold ECDSA
  Handong Cui, Kwan Yin Chan, Tsz Hon Yuen, Xin Kang, Cheng-Kang Chu.
  Published in The Computer Journal, Oxford University Press.,2023. (COMPJ 2023)
• 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.
  Published in The 30th ACM Conference on Computer and Communications Security, ACM., 2023. (CCS 2023)

• Multi-signatures for ECDSA and Its Applications in Blockchain
  Shimin Pan, Kwan Yin Chan, Handong Cui, Tsz Hon Yuen.
  Published in The 27th Australasian Conference on Information Security and Privacy, Springer., 2022. (ACISP 2022)
• A Trustless GQ Multi-Signature Scheme with Identifiable Abort
  Handong Cui, Tsz Hon Yuen.
  Published in The 26th Australasian Conference on Information Security and Privacy, Springer., 2021. (ACISP 2021)
• Efficient Online-friendly Two-party ECDSA Signature
  Haiyang Xue, Man Ho Au, Xiang Xie, Tsz Hon Yuen, Handong Cui.
  Published in The 28th ACM Conference on Computer and Communications Security, ACM., 2021. (CCS 2021)
• Compact Zero-Knowledge Proofs for Threshold ECDSA with Trustless Setup
  Tsz Hon Yuen, Handong Cui, Xiang Xie.
  Published in The 24th edition of the International Conference on Practice and Theory of Public-Key Cryptography, IACR., 2021. (PKC 2021)
• Security on SM2 and GOST Signatures against Related Key Attacks
  Handong Cui, Xianrui Qin, Cailing Cai, Tsz Hon Yuen.
  Published in The 20th IEEE International Conference On Trust, Security And Privacy In Computing And Communications, IEEE., 2021. (TrustCom 2021)
• LPPRS: New location privacy preserving schemes based on ring signature over mobile social networks
  Cailing Cai, Tsz Hon Yuen, Handong Cui, Mingli Wu, Siu Ming Yiu.
  Published in The 16th International Conference on Information Security and Cryptology Springer., 2021. (Inscrypt 2021)
• Address-based Signature
  Handong Cui, Tsz Hon Yuen.
  Published in The 19th IEEE International Conference On Trust, Security And Privacy In Computing And Communications, IEEE., 2020. (TrustCom 2020)

TSS (Threshold Signature) research collection in Top conferences

Teaching Assistant

• [CSST9080] FinTech: Financial Inclusion, Emerging Markets and Social Value, UG, HKU, Spring 2022/2023.
• [FITE1010] Introduction to Financial Technology, UG, HKU, fall 2020.
• [COMP3320] Electronic Commerce Technology, UG, HKU, spring 2020.

External Reviewer

• NSS 2019, ISC 2020, Inscrypt 2020, ICICS 2019/2020, ACISP 2020/2021, ISPEC 2021, ESORICS 2022, GlobeCom 2022, WCNC 2022, The Computer Journal 2023, TIFS 2024.