Previous Events

Previous News

2023
  • (Oct 29, 2023) The following paper has been accepted for presentation at the IEEE S&P 2024.
    • Sunpill Kim, Yong Kiam Tan, Bora Jeong, Soumik Mondal, Khin Mi Mi Aung, and Jae Hong Seo
      Scores Tell Everything about Bob: Non-adaptive Face Reconstruction on Face Recognition Systems
  • (Oct 4, 2023) Papers led by C&A members won several awards at the National Cryptographic Technology Contest, 2023.
    • The following paper won the Excellence Award. Congrats all authors who participated in this submission.
      • Sunpill Kim, Seunghun Paik, Chanwoo Hwang, Dongsoo Kim, Junbum Shin, and Jae Hong Seo
        IDFace: Efficient and Secure Identification for Face Images
    • The following paper won the Encouragement Award. Congrats all authors who participated in this submission.
      • Sunpill Kim, Yong Kiam Tan, Bora Jeong, Soumik Mondal, Khin Mi Mi Aung, and Jae Hong Seo
        Scores Tell Everything about Bob: Non-adaptive Face Reconstruction on Face Recognition Systems
    • The following paper won the Special Award. Congrats all authors who participated in this submission.
      • Hyeonbum Lee, Kyuhwan Lee, Jae Hong Seo, Wenyi Tang, Shankha Shubhra Mukherjee, and Taeho Jung
        PrivHChain: Monitoring the Supply Chain of Controlled Substances with Privacy-Preserving Hierarchical Blockchain
  • (Sep 26, 2023) HUCC, Crypto Club of Hanyang University, won the Top Excellence Award (최우수상) in Cryptanalysis Contest, 2023, hosted by Military Crypto Research Center. Congrats three of C&A members, Seunghun Paik, Chanwoo Hwang, and Minsu Kim, who are a leader and two members of HUCC.
  • (Aug 22, 2023) The following paper has been accepted for presentation at the BMVC 2023 (Oral).
    • Seunghun Paik, Sunpill Kim, and Jae Hong Seo
      Security Analysis on Locality-Sensitive Hashing-Based Biometric Template Protection Schemes
  • (Jul 25, 2023) The following paper has been accepted for publication in IEEE TIFS.
    • Sungwook Kim, Hyeonbum Lee, Gwangwoon Lee, and Jae Hong Seo
      Sublinear Verifier Inner Product Argument under Discrete Logarithm Assumption
  • (July 13, 2023) There will be an invited lecture by Prof. Taeho Jung, Notre Dame.
    • Date & Place : 10:30 AM, Jul 13 / Natural Science building 702
    • Title : Cryptography and Blockchain for Secure and Private Web3 Ecosystem
      • (For more information, click the arrow)
  • (May 31, 2023) The following paper has been accepted for publication in IWSEC 2023.
    • Hyeonbum Lee and Jae Hong Seo
      TENET : Sublogarithmic Proof, Sublinear Verifier Inner Product Argument without a Trusted Setup
  • (May 13, 2023) Two of our members, Seunghun Paik and Minsu Kim, received the Top Academic Excellence Award (한양학업최우수상) from the President of Hanyang University.
  • (Apr 20, 2023) The following paper has been accepted for publication in Designs, Codes and Cryptography.
    • Hyung Tae Lee and Jae Hong Seo
      On the Security of Functional Encryption in the Generic Group Model
  • (Apr 20, 2023) Prof. Jae Hong Seo joins in the program committees of ASIACRYPT 2023 and PQCrypto 2023.
  • (Feb 14, 2023) Bora Jeong won the Grand Prize in the Best Research Paper Award for graduate students by the Research Institute for Natural Sciences, Hanyang University.
    • Bora Jeong, Sunpill Kim, Seunghun Paik, and Jae Hong Seo
      Analysis on Secure Triplet Loss.
  • (Jan 5, 2023) Our student captain, Sunpill Kim, visits A*STAR at Singapore, one of the world's leading research institutes, for a year-long collaborative research. We wish him success in his studies at A*STAR.
2022
  • (Dec 10, 2022) The following paper has been accepted in IEEE Access
    • Bora Jeong, Sunpill Kim, Seunghun Paik, and Jae Hong Seo*, "Analysis on Secure Triplet Loss." (DOI)
  • (Nov 11, 2022) Bora Jeong visits in the Singapore A*STAR to participate short-term research for top international students during four months. We wish her a successful journey to become good researchers!
  • (Sep 27, 2022) The following paper won the grand prize at "National Cryptographic Technology Contest, 2022".Congrats Hyeonbum Lee, who was the lead author of this submission.
    • Hyeonbum Lee, Sungwook Kim, and Jae Hong Seo, "Non-Pairing Sublinear Verifiable Zero-Knowledge Arguments in Discrete Logarithm Setting"
  • (Sep 27, 2022) The following paper won the special prize at "National Cryptographic Technology Contest, 2022". Congrats Sunpill Kim, who was the lead author of this submission.
    • Sunpill Kim, Hoyong Shin, and Jae Hong Seo "Deep Face Template Protection in the Wild"
  • (Sep 20, 2022) HUCC, Crypto Club of Hanyang University, won an award for excellence (우수상) in "Crypto Analysis Contest, 2022", hosted by Military Crypto Research Center. Congrats two of C&A members, Seunghun Paik and Minsu Kim, who are a leader and a member of HUCC.
  • (Sep 13, 2022) Yunjeong Heo (undergraduate student) joined our Cryptology & Algorithm Lab!
  • (Sep 1, 2022) Hyunjung Son (undergraduate student) joined our Cryptology & Algorithm Lab!
  • (Sep 1, 2022) Hyeonbum Lee and Kyuhwan Lee visit the Data Security and Privacy lab (led by Prof. Taeho Jung) in the CSE at the University of Notre Dame to collaborate with DSP-lab for six months. We wish them a successful journey to become good researchers!
  • (Aug 25, 2022) The following paper has been accepted for presentation at the ASIACRYPT 2022.
    • Sungwook Kim, Hyeonbum Lee, and Jae Hong Seo, "Efficient Zero-Knowledge Arguments in Discrete Logarithm Setting: Sublogarithmic Proof or Sublinear Verifier"
  • (Jul 11, 2022) A new project supported by CRYPTOLAB (Title : Development of Encrypted Face Template DB Search Technology) has started.
  • (Jul 1, 2022) Sangyoon Shin (undergraduate student) joined in our Cryptology & Algorithm Lab!
  • (Jun 10, 2022) The following paper has been accepted in IEEE Blockchain.
    • Chanyang Ju, Wenyi Tang, Changhao Chenli, Gwangwoon Lee, Jae Hong Seo, and Taeho Jung "Monitoring Provenance of Delegated Personal Data With Blockchain"
  • (May 1, 2022) Minsu Kim (undergraduate student) and Seongae Baik (undergraduate student) joined in our Cryptology & Algorithm Lab!
  • (May 1, 2022) A new project supported by Institute for Information and Communications Technology Promotion, IITP (Title: "Logging and Zero-knowledge Proof based on Hierarchical Blockchain") has started.
  • (Apr 18, 2022) The following paper has been accepted at IEEE Access.
    • Heewon Chung, Kyoohyung Han, Chanyang Ju, Myungsun Kim, and Jae Hong Seo "Bulletproofs+: Shorter Proofs for a Privacy-Enhanced Distributed Ledger" (DOI)
  • (Apr 1, 2022) A new project supported by National Security Research Institute, NSR (Title: "Research on the design technology of a cryptographic proof system suitable for Proof-Carrying Data") has started.
  • (Feb 22, 2022) A new project supported by Korea Institute of Information Security & Crytology, KIISC (Title: "A study on biometric information extraction threats and countermeasures in deep learning-based face recognition system") has started.
  • (Jan 3, 2022) Bora Jeong (undergraduate student) and Seunghun Paik (undergraduate student) joined in our Cryptology & Algorithm Lab!
2021
  • (Dec 8, 2021) Our paper (Efficient Sum-Check Protocol for Convolution) is accepted at IEEE Access
  • (Nov 29, 2021) Three undergraduate students (Kyuhwan Lee, Dongsoo Kim, Chanwoo Hwang) joined our Crypto & Algorithms Lab!
  • (Nov 26, 2021) Taesam Kim (Undergraduate student) and Gyuhwan (Undergraduate student) receive a Top Prize from College of Natural Science (Hanyang University), due to their academic paper entitled "Proof of dot product using ZK-SNARK: Groth16" submitted in Academic Seminar. Congrat. Taesam and Gyuhwan!
  • (Nov 5, 2021) Presentation of research results related to Ironmask at 2021 KAIC Fall Meeting
  • (Oct 1, 2021) Hyeonbum Lee (MS&Ph.D student) will receive a Special Prize from Korea Cryptography Forum, due to his paper entitled "Efficient Zero-Knowledge Argument in Discrete Logarithm Setting: Sublogarithmic Proof or Sublinear Verifier" submitted in National Cryptographic Technology Contest. Congrat. Hyeonbum!
  • A new project (Title: "Secure Multi-party Approximate Computation") has started.
  • Presentation of research results related to Ironmask at SSTF 2021
    (For more information, click the arrow)
  • Seminar on "Secure Computation and Management for Large Scale Data Aggregation" by Prof. Tae-Ho Jung
    (For more information, click the arrow)
  • A new project (Title: "Blockchain and Zero Knowledge Proof for Searchable and Privacy-preserving Provenance Logging") has started.
  • A new project (Title: "Study on Crypto Primitives for SNARK") has started.
  • A new project (Title: "Research on Incrementally Verifiable Computation Design Technique and Application Method") has started.
2020

Previous Seminar

2022
    Deep Learning
    Seminar Schedule - Deep Learning Paper
    Date Time Place Presenter Topic
    1/7 10:00AM 701 Bora Attention is All You Need
    An Image is Worth 16x16 Words: Transformers for Image Recognition at Scale
    CoAtNet: Marrying Convolution and Attention for All Data Sizes
    1/13 10:00AM 701 Chanwoo Who is Real Bob? Adversarial Attacks on Speaker Recognition Systems
    Darker than Black-Box: Face Reconstruction from Similarity Queries
    IronMask: Modular Architecture for Protecting Deep Face Template
    1/20 10:00AM 701 Dongsoo PlexNet: An Ensemble of Deep Neural Networks for Biometric Template Protection
    1/27 10:00AM 701 Bora Secure Triplet Loss: Achieving Cancelability and Non-Linkability in End-to-End Deep Biometrics
    2/3 10:00AM 701 Chanwoo Deep Index-of-Maximum Hashing for Face Template Protection
    2/10 10:00AM 701 Seunghun Secure Chaff-less Fuzzy Vault for Face Identification Systems
    7/6 10:00AM 702 Seunghun Very Deep VAES Generalize Autogregressive Models and can outperform them on images
    7/13 10:00AM 702 Bora Sphereface2 : Binary Classification Is All You Need for Deep Face Recognition
    7/20 11:00AM 702 Dongsoo Variational Prototype Learning for Deep Face Recognition
    7/27 10:00AM 702 Chanwoo AutoAugment : Learning Augmentation Strategies from Data
    8/3 10:00AM 702 Sunpil It’s All in the Head : Representation Knowledge Distillation through Classifier Sharing
    8/17 10:00AM 702 Seunghun Denoising diffusion probabilistic models
    9/16 11:00AM 751 Bora Towards Privacy-Preserving, Real-Time and Lossless Feature Matching
    Modern Cryptography
    Seminar Schedule - Modern Cryptography
    Date Time Place Presenter Topic
    9/20 05:30PM 740 Bora Ch.2 Perfectly Secret Encryption
    9/27 05:30PM 740 All Member Remaining Part of Ch.2 & Ch.2 Exercise
    Proof-Carrying Data
    Seminar Schedule - Proof-Carrying Data
    Date Time Place Presenter Topic
    6/30 04:00PM 702 Hyeonbum Proof-Carrying Data without Succinct Arguments
    7/14 04:00PM 701 Hyeonbum Research topic : sublinear decidable accumulator scheme
    7/21 04:00PM 702 Hyeonbum Proof-Carrying Data without Succinct Arguments
    8/8 02:00PM 702 Hyeonbum Halo Infinite : Proof-Carrying Data from Additive Polynomial Commitments
    Zero Knowledge Proof
    Seminar Schedule - Zero Knowledge Proof
    Date Time Place Presenter Topic
    7/5 04:00PM 740 Kyuhwan F-S transformation
    7/12 04:00PM 740 Kyuhwan Front end : Program2circuit
    7/19 04:00PM 740 Kyuhwan Program2circuit Sumcheck
2021
Seminar Schedule
Date Place(10:00 AM) Presenter Topic Place(2:00 PM) Presenter Topic
1/7 Zoom Link 주찬양 SafetyNets N/A N/A
1/21 자연과학관 702호 김선필 Incrementally Verifiable Computation N/A N/A
1/28 Zoom Link 이현범 Inception N/A N/A
2/4 Zoom Link 정희원 Privacy-preserving decentralized exchange N/A N/A
7/2 자연과학관 707호 FR Team Face Recognition N/A N/A
7/12 Zoom Link FR Team MagFace: A Universal Representation for Face Recognition and Quality Assessment N/A N/A
7/16 Zoom Link FR Team Partial FC: Training 10 Million Identities on a Single Machine N/A N/A
2020
Seminar Schedule
Date Place(10:00 AM) Presenter Topic Place(2:00 PM) Presenter Topic
6/25/2020 N/A N/A 자연과학관 702호 정희원 Mimblewimble & Zether
7/9/2020 자연과학관 702호 김선필 zkRollup 자연과학관 702호 주찬양 GKR
7/16/2020 자연과학관 702호 김동영 Interoperability(zkrelay) 자연과학관 702호 이현범 Sonic
7/23/2020 자연과학관 702호 김동영 Interoperability(Proof-of-Stake Sidechains) 자연과학관 702호 정희원 Interoperability (Zendoo+alpha)
7/30/2020 자연과학관 702호 서재홍 Inception N/A N/A
8/6/2020 자연과학관 702호 김동우 LegoSNARK 자연과학관 702호 이현범 Supersonic
8/13/2020 자연과학관 702호 김지승 VDF 자연과학관 702호 김선필 Plonk
10/19/2020 N/A N/A 자연과학관 751호 주찬양 Virgo
10/26/2020 자연과학관 751호 손용하 Accumulator 자연과학관 751호 김창진 Groth16
11/5/2020 N/A N/A 자연과학관 746호 김창진 Groth16
11/9/2020 자연과학관 751호 김선필 Inner Pairing Product 자연과학관 751호 이현범 Dory & Kopis
11/16/2020 자연과학관 751호 이현범 Dory & Kopis 자연과학관 751호 김동우 Verifiable Computation on Encrypted Data
11/19/2020 N/A N/A 자연과학관 751호 김지승 Cryptanalysis of LPN
12/10/2020 N/A N/A 자연과학관 751호 김선필 Dory
12/24/2020 N/A N/A 자연과학관 751호 서재홍 Dory & Inception