Research

Research Interests

I am currently working on post-quantum cryptography. I am one of the inventors of ALTEQ signature (https://pqcalteq.github.io/), a first round candidate for NIST's call for additional PQC Signatures (https://csrc.nist.gov/projects/pqc-dig-sig).

Publications

(Please see https://dblp.uni-trier.de/pid/179/6837.html or https://scholar.google.com/citations?user=9RXIMtkAAAAJ&hl=en for the most up-to-date list of publications)

Edited Book

1. Tsuyoshi Takagi, Masato Wakayama, Keisuke Tanaka, Noboru Kunihiro, Kazufumi Kimoto, Dung Hoang Duong. "Mathematical Modelling for Next-Generation Cryptography - CREST Crypto-Math Project". Springer 2018

Conference Papers

1. Dung Hoang Duong, Thanh Xuan Khuc, Youming Qiao, Willy Susilo, Chuanqi Zhang:
   (Partially) Blind Signatures from Cryptographic Group Actions, ACNS 2026

2. Dung Hoang Duong, Chunpeng Ge, Xuan Thanh Khuc, Willy Susilo:
   Efficient Partially Blind Signatures from Isogenies, FC 2026

3. Dung Hoang Duong, Chuanqi Zhang, Youming Qiao:
   Key exchange for actions by groups with laws, ITCS 2026

4. Xirong Ma, Junling Fang, Chunpeng Ge, Dung Hoang Duong, Yali Jiang, Yanbin Li, Willy Susilo, Lizhen Cui:
   New Permutation Decomposition Techniques For Efficient Homomorphic Permutation, ACM CCS 2025

5. Xuan Thanh Khuc, Willy Susilo, Dung Hoang Duong, Yannan Li, Partha Sarathi Roy, Kazuhide Fukushima and Shinsaku Kiyomoto:
   Strong Designated Verifier Signatures from Isogeny Assumptions, CANS 2025

6. Tuong Ngoc Nguyen, Willy Susilo, Dung Hoang Duong, Fuchun Guo, Kazuhide Fukushima, Shinsaku Kiyomoto:
   A Fault-Tolerant Content Moderation Mechanism for Secure Messaging Systems. ACISP (2) 2024: 269-289

7. Thanh Xuan Khuc, Willy Susilo, Dung Hoang Duong, Fuchun Guo, Kazuhide Fukushima, Shinsaku Kiyomoto:
   Threshold Ring Signatures with Accountability. ACISP (1) 2024: 368-388

8. Tuong Ngoc Nguyen, Willy Susilo, Dung Hoang Duong, Fuchun Guo, Kazuhide Fukushima, Shinsaku Kiyomoto:
   Shrinkable Ring Signatures: It Wasn’t Them!. ISPEC 2024: 75-93

9. Markus Blaser, Zhili Chen, Dung Hoang Duong, Antoine Joux, Tuong Ngoc Nguyen, Thomas Plantard, Youming Qiao, Willy Susilo, Gang Tang:
   On Digital Signatures Based on Group Actions: QROM Security and Ring Signatures. PQCrypto (1) 2024: 227-261

10. Thanh Xuan Khuc, Willy Susilo, Dung Hoang Duong, Fuchun Guo, Kazuhide Fukushima, Shinsaku Kiyomoto:
    Traceable Ring Signatures: Logarithmic-Size, Without Any Setup, from Standard Assumptions. ProvSec (1) 2024: 189-208

11. Thanh Xuan Khuc, Willy Susilo, Dung Hoang Duong, Fuchun Guo, Hyungrok Jo, Tsuyoshi Takagi:
    Tightly Secure Identity-Based Signature from Cryptographic Group Actions. ProvSec (1) 2024: 209-228

12. Thanh Xuan Khuc, Willy Susilo, Dung Hoang Duong, Fuchun Guo, Kazuhide Fukushima, Shinsaku Kiyomoto:
    Compact Accountable Ring Signatures in the Plain Model. Inscrypt (1) 2023: 23-43

13. Tuong Ngoc Nguyen, Willy Susilo, Dung Hoang Duong, Fuchun Guo, Kazuhide Fukushima, Shinsaku Kiyomoto:
    Compact Ring Signatures with Post-Quantum Security in Standard Model. Inscrypt (1) 2023: 65-84, Best Paper Award

14. Minh Thuy Truc Pham, Dung Hoang Duong, Yannan Li, Willy Susilo:
    Threshold Ring Signature Scheme from Cryptographic Group Action. ProvSec 2023: 207-227

15. Duy Tung Khanh Nguyen, Dung Hoang Duong, Willy Susilo, Yang-Wai Chow:
    HeSUN: Homomorphic Encryption for Secure Unbounded Neural Network Inference. SecureComm (1) 2023: 413-438

16. Minh Vu Nguyen, Ngoc-Thuy Le, Dung Hoang Duong, Yannan Li, Madhav Mukherjee:
    Blockchain Oracles: Implications for Smart Contracts in Legal Reasoning and Addressing the Oracle Problem. SoICT 2023: 296-303

17. Thanh Xuan Khuc, The Anh Ta, Willy Susilo, Dung Hoang Duong, Fuchun Guo, Kazuhide Fukushima, Shinsaku Kiyomoto:
    Logarithmic-Size (Linkable) Ring Signatures from Lattice Isomorphism Problems. SPACE 2023: 214-241

18. Mei Jiang, Dung Hoang Duong, Willy Susilo:
    Puncturable Signature: A Generic Construction and Instantiations. ESORICS 2022 (2) 2022: 507-527

19. Tuong Ngoc Nguyen, Anh The Ta, Huy Quoc Le, Dung Hoang Duong, Willy Susilo, Fuchun Guo, Kazuhide Fukushima, Shinsaku Kiyomoto:
    Efficient Unique Ring Signatures From Lattices. ESORICS (2) 2022: 447-466

20. Huy Quoc Le, Dung Hoang Duong, Willy Susilo, Josef Pieprzyk:
    Spatial Encryption Revisited: From Delegatable Multiple Inner Product Encryption and More. ESORICS (1) 2022: 283-302

21. P. Dutta; M. Jiang; D. Duong; W. Susilo; K. Fukushima; S. Kiyomoto:
    Hierarchical Identity-based Puncturable Encryption from Lattices with Application to Forward Security, ASIACCS 2022: 408-422

22. Priyanka Dutta, Dung Hoang Duong, Willy Susilo, Kazuhide Fukushima, Shinsaku Kiyomoto:
    Zero-Knowledge Range Arguments for Signed Fractional Numbers from Lattices. ProvSec 2022: 121-136

23. Gang Tang and Dung Hoang Duong and Antoine Joux and Thomas Plantard and Youming Qiao and Willy Susilo:
    Practical Post-Quantum Signature Schemes from Isomorphism Problems of Trilinear Forms. EUROCRYPT (3) 2022 : 582-612

24. Anh The Ta, Thanh Xuan Khuc, Tuong Ngoc Nguyen, Huy Quoc Le, Dung Hoang Duong, Willy Susilo, Kazuhide Fukushima, Shinsaku Kiyomoto: Efficient Unique Ring Signature for Blockchain Privacy Protection. ACISP 2021: 391-407

25. Priyanka Dutta, Willy Susilo, Dung Hoang Duong, Partha Sarathi Roy:
    Puncturable Identity-Based Encryption from Lattices. ACISP 2021: 571-589

26. Willy Susilo, Priyanka Dutta, Dung Hoang Duong, Partha Sarathi Roy:
    Lattice-based HRA-secure  Attribute-based Proxy Re-Encryption in Standard Model.  ESORICS (2) 2021: 169-191

27. Willy Susilo, Dung Hoang Duong, Huy Quoc Le:
    Efficient Post-quantum Identity-based Encryption with Equality Test. IEEE ICPADS 2020: 633-640

28. Giang Linh Duc Nguyen, Willy Susilo, Dung Hoang Duong, Huy Quoc Le and Fuchun Guo:
    Lattice-based IBE with Equality Test Supporting Flexible Authorization in the Standard Model , Indocrypt 2020: 624-643

29. Priyanka Putta, Willy Susilo, Dung Hoang Duong, Joonsang Baek, Partha Sarathi Roy:
    Identity-based Unidirectional Proxy Re-Encryption in Standard Model: A Lattice-based Construction, WISA 2020: 245-257, Best Paper Award

30. Willy Susilo, Dung Hoang Duong, Huy Quoc Le, Josef Pieprzyk:
    Puncturable Encryption: A Generic Construction from Delegatable Fully Key-Homomorphic Encryption, ESORICS (2) 2020: 107-127

31. Huy Quoc Le, Dung Hoang Duong, Ha Thanh Nguyen Tran, , Willy Susilo, Josef Pieprzyk, Thomas Plantard:
    Lattice Blind Signature with Forward Secrecy, to appear in ACISP 2020,: 3-22, Best Paper Award

32. Huy Quoc Le, Dung Hoang Duong, Willy Susilo, Josef Pieprzyk:
    Polynomial Trapdoor Delegation and Application to a Standard Model HIBE Construction, ACNS (1) 2020: 130-149

33. Dung Hoang Duong, Willy Susilo, Minh Kim Bui and Thanh Xuan Khuc:
    A Lattice-based Certificateless Public Key Encryption with Equality Test in Standard Model, Inscrypt 2019: 50-65

34. Huy Quoc Le, Willy Susilo, Thanh Xuan Khuc, Minh Kim Bui and Dung Hoang Duong:
    A Blind Signature from Module Lattices, IEEE Conference on Dependable and Secure Computing 2019: 1-8

35. Hiroki Furue, Dung Hoang Duong, Tsuyoshi Takagi:
    An Efficient MQ-based Signature in the QROM, to appear in CANDAR 2019: 10-17, Outstanding Paper Award

36. Huy Quoc Le, Dung Hoang Duong, Willy Susilo
    A Blind Ring Signature from SIS , WISA 2019: 92-111

37. Dung Hoang Duong, Huy Quoc Le, Partha Sarathi Roy, Willy Susilo
    Lattice-based IBE with equality test in standard model, ProvSec 2019: 1-22

38. Dung Hoang Duong, Kazuhide Fukushima, Shinsaku Kiyomoto, Partha Sarathi Roy, Willy Susilo
    A Lattice-Based Public Key Encryption with Equality Test in Standard Model. ACISP 2019: 138-155

39. Yacheng Wang, Yasuhiko Ikematsu, Dung Hoang Duong, Tsuyoshi Takagi
    Efficient Decryption Algorithms for Extension Field Cancellation Type Encryption Schemes. ACISP 2018: 487-501

40. Huy Quoc Le, Pradeep Kumar Mishra, Dung Hoang Duong, Masaya Yasuda:
    Solving LWR via BDD Strategy: Modulus Switching Approach. CANS 2018: 357-376

41. Yasuhiko Ikematsu, Dung Hoang Duong, Albrecht Petzoldt, Tsuyoshi Takagi:
    Revisiting the Efficient Key Generation of ZHFE. C2SI 2017: 195-212

42. Pradeep Kumar Mishra, Dung Hoang Duong, Masaya Yasuda:
    Enhancement for Secure Multiple Matrix Multiplications over Ring-LWE Homomorphic Encryption. ISPEC 2017: 320-330

43. Dung Hoang Duong, Masaya Yasuda, Tsuyoshi Takagi:
    Choosing Parameters for the Subfield Lattice Attack Against Overstretched NTRU. ISC 2017: 79-91

44. Dung Hoang Duong, Albrecht Petzoldt, Tsuyoshi Takagi:
    Reducing the Key Size of the SRP Encryption Scheme. ACISP (2) 2016: 427-434

45. Dung Hoang Duong, Albrecht Petzoldt, Yacheng Wang, Tsuyoshi Takagi:
    Revisiting the Cubic UOV Signature Scheme. ICISC 2016: 223-238

Journal Papers

1. Mei Jiang, Willy Susilo, Dung Hoang Duong, Yannan Li:
   Realizing Quantum-Secure Proof-of-Stake Blockchain With Lattice-Based Weighted Threshold Signature. IEEE Transactions on Dependable and Secure Computing (2026)

2. Duy Tung Khanh Nguyen, Dung Hoang Duong, Willy Susilo, Yang-Wai Chow, The Anh Ta:
   HEArgmax: Secure homomorphic encryption-based protocols for Argmax function. Comput. Stand. Interfaces 96: 104071 (2026)

3. Priyanka Dutta, Willy Susilo, Fuchun Guo, Dung Hoang Duong:
   PAORE: Public-key Authenticated Order-Revealing Encryption, Designs, Codes and Cryptography, 94 (2), 28 (2026)

4. Wen Wu, Jiankuo Dong, Zhen Xu, Zhenjiang Dong, Dung Hoang Duong, Fu Xiao, Jingqiang Lin:
   Symphony of Speeds: Harmonizing Classic McEliece Cryptography With GPU Innovation. IEEE Trans. Inf. Forensics Secur. 20: 8746-8759 (2025)

5. Mei Jiang, Yannan Li, Willy Susilo, Dung Hoang Duong:
   Quantum-Safe Puncturable Signatures With Their Application in Blockchain. IEEE Trans. Inf. Forensics Secur. 19: 2761-2770 (2024)

6. Ngoc Ai Van Nguyen, Dung Hoang Duong, Minh Thuy Truc Pham:
   Efficient CCA2-Secure IBKEM from Lattices in the Standard Model. Cryptogr. 9(4): 79 (2025)

7. Duy Tung Khanh Nguyen, Dung Hoang Duong, Yang-Wai Chow:
   Badembnets: A framework for backdoor attacks against visually-aware recommender system. Pragmatic Cybersecurity 2025, 1(1), 2.

8. Duy Tung Khanh Nguyen, Dung Hoang Duong, Willy Susilo, Yang-Wai Chow, The Anh Ta:
   HeFUN: Homomorphic Encryption for Unconstrained Secure Neural Network Inference. Future Internet 15(12): 407 (2023)

9. Peng Tian, Ha Thanh Nguyen Tran, Dung Hoang Duong:
   Computing mod ℓ Galois representations associated to modular forms for small primes, AIMS MATHEMATICS, Volume 8, Issue 12, Pages 28766–28779, 2023

10. Haiyan Wang, Yuan Li, Willy Susilo, Dung Hoang Duong, Fucai Luo:
    A fast and flexible attribute-based searchable encryption scheme supporting multi-search mechanism in cloud computing. Comput. Stand. Interfaces 82: 103635 (2022)

11. Minh Thuy Truc Pham, Ngoc Ai Van Nguyen, Mei Jiang, Dung Hoang Duong, Willy Susilo:
    Wildcarded identity-based encryption from lattices. Theor. Comput. Sci. 902: 41-53 (2022)

12. Fucai Luo, Saif Al-Kuwari. Willy Susilo, Chunpeng Ge, Dung Hoang Duong:
    Chosen-Ciphertext Secure Homomorphic Proxy Re-Encryption, IEEE Transactions on Cloud Computing, 10(4): 2398-2408 (2022)

13. Dung Hoang Duong, Partha Sarathi Roy, Willy Susilo, Kazuhide Fukushima, Shinsaku Kiyomoto, Arnaud Sipasseuth:
    Chosen-ciphertext lattice-based public key encryption with equality test in standard model. Theor. Comput. Sci. 905: 31-53 (2022)

14. Huy Quoc Le; Bay Vo; Dung Hoang Duong; Willy Susilo; Ngoc T. Le; Kazuhide Fukushima; Shinsaku Kiyomoto:
    Identity-Based Linkable Ring Signatures From Lattices. IEEE Access, vol. 9, pp. 84739-84755, 2021

15. Huy Quoc Le; Dung Hoang Duong; Partha Sarathi Roy; Willy Susilo; Kazuhide Fukushima; Shinsaku Kiyomoto:
    Lattice-based signcryption with equality test in standard model. Computer Standards & Interfaces, 76, p.103515, 2021

16. Priyanka Dutta, Willy Susilo, Dung Hoang Duong, Partha  Sarathi Roy:
    Collusion-resistant identity-based Proxy Re-encryption: Lattice-based constructions in Standard Model. Theoretical Computer Science, 871, pp.16–29, 2021.

17. Yang Zhichao, Dung H. Duong, Willy Susilo, Yang Guomin, Li Chao, Chen Rongmao:
    An Efficient Post‐quantum Identity‐Based Signature. Chinese Journal of Electronics, 30(2), pp.238–248, 2021

18. Yang Zhichao, Dung H. Duong, Willy Susilo, Yang Guomin, Li Chao, Chen Rongmao:
    Hierarchical Identity-Based Signature in Polynomial Rings. The Computer Journal, [online] 63(10), pp.1490–1499, 2020.

19. Pradeep Mishra, Deevashwer Rathee, Dung Hoang Duong, Masaya Yasuda:
    Fast Secure Matrix Multiplications over Ring-Based Homomorphic Encryption , Information Security Journal: A Global Perspective, 2020, to appear

20. Priyanka Putta, Willy Susilo, Dung Hoang Duong, Joonsang Baek, Partha Sarathi Roy:
    Identity-based Unidirectional Proxy Re-Encryption and Re-Signature in Standard Model: Lattice-based Constructions, Journal of Internet Services and Information Security (JISIS), 2020, to appear

21. Dung Hoang Duong, Willy Susilo, Viet Cuong Trinh:
    A New Approach to Keep the Privacy Information of the Signer in a Digital Signature Scheme, Information 2020, 11(5), 260

22. Dung Hoang Duong, Willy Susilo, Viet Cuong Trinh:
    Wildcarded Identity-Based Encryption with Constant-size Ciphertext and Secret Key, JoWUA, 11(2):74-86, June 2020

23. Hiroki Furue, Dung Hoang Duong, Tsuyoshi Takagi:
    An Efficient MQ-based Signature with Tight Security Proof, to appear in International Journal of Networking and Computing

24. Huy Le, Pradeep Kumar Mishra, Satoshi Nakamura, Koha Kinjo, Dung Hoang Duong, Masaya Yasuda:
    The Impact of the Modulus Switching Technique on Some Attacks against Learning Problem, IET Information Security, Vol. 14, Issue 3, pp. 286-303 (2020)

25. Zhichao Yang, Dung Hoang Duong, Willy Susilo, Guomin Yang, Chao Li, Rongmao Chen:
    Hierachical Identity-based Signature in Polynomial Ring, The Computer Journal, bxaa033, 2020

26. Dung Hoang Duong, Le Van Luyen, Ha Tran:
    Choosing Subfields for LUOV and Lifting Fields for Rainbow, IET Information Security, Vol. 14, Issue 2, pp. 196-201 (2020), Errata

27. Dung Hoang Duong, Willy Susilo, Ha Tran:
    A multivariate blind ring signature scheme, The Computer Journal, bxz128, 2019

28. Yacheng Wang, Yasuhiko Ikematsu, Dung Hoang Duong, Tsuyoshi Takagi:
    The Secure Parameters and Efficient Decryption Algorithm for Multivariate Public Key Cryptosystem EFC, IEICE Transactions, Vol.E102-A, No.9,Sep. 2019

29. Yasuhiko Ikematsu, Dung Hoang Duong, Albrecht Petzoldt, Tsuyoshi Takagi:
    An Efficient Key Generation of ZHFE Public Key Cryptosystem. IEICE Transactions 101-A(1): 29-38 (2018)

30. Dung Hoang Duong, Albrecht Petzoldt, Tsuyoshi Takagi:
    CyclicSRP - A Multivariate Encryption Scheme with a Partially Cyclic Public Key. IEICE Transactions 100-A(12): 2691-2698 (2017)

31. Dung Hoang Duong, Pradeep Kumar Mishra, Masaya Yasuda:
    Efficient Secure Matrix Multiplication Over LWE-Based Homomorphic Encryption. Tatra Mountains Mathematical Publications, Volume 67, Issue 1, Pages 69–83

32. Dung Hoang Duong and Christopher Voll:
    Uniform analytic properties of representation zeta functions of finitely generated nilpotent groups. Trans. Amer. Math. Soc. 369 (2017), 6327-6349

33. Dung Hoang Duong
    Representation growth of the Heisenberg group over O[x]/(x^3), Journal of Algebra and its Applications, Vol. 16, No. 2 (2017)

34. Dung Hoang Duong
    Recognizing PSL(2,p) in the non-Frattini chief factors of finite groups, Archiv der Mathematik, Vol. 106, Issue 3, pp 201-208 (2016)

35. Dung Hoang Duong
    Finiteness of profinite groups with a rational probabilistic zeta function. Communications in Algebra, 44:2, 787-795 (2016).

36. Mai Hoang Bien and Dung Hoang Duong:
    On normal subgroups of division rings which are radical over a proper division subring. Studia Sci. Math. Hungar. 51 (2), 231-242 (2014)

37. Dung Hoang Duong and Andrea Lucchini:
    Rationality of the probabilistic zeta function of finitely generated profinite groups. J. Group Theory 17 (2014), 317-335

38. Dung Hoang Duong and Andrea Lucchini:
    A finiteness condition on the coefficients of the probabilistic zeta function.. Int. J. Group Theory, Vol. 2 No. 1 (2013), 167-174