2021 EWHA-KMS International Workshop on Cryptography:

Theory and Applications in Cryptography


Ewha Institute of Mathematical Sciences (EIMS)

Korean Mathematical Society (KMS)


Ewha Womans University, Seoul, June 23-25, 2021

Workshop Program

All times are in KST (Korea Standard Time, UTC +9).

June 23

  • 9:50-10:00: Opening remarks

  • 10:00-11:00: Lecture 1:

    • Sanjam Garg: The Tale of Two-Round MPC

  • 11:00-11:20: break

  • 11:20-12:20: Lecture 2:

    • Jon-Lark Kim: Code-based cryptography with a recent approach

  • 12:20-14:40: break

  • 14:40-15:40: Lecture 3:

    • Changmin Lee: An LLL algorithm for module lattices

  • 15:40-16:00: break

  • 16:00-17:00: Lecture 4:

    • Yongsoo Song: On Multi-key Homomorphic Encryption

  • 17:00-17:10: break

  • 17:10-18:10: Lecture 5:

    • Thomas Prest: f-divergences in statistical security proofs

June 24

  • 10:00-11:00: Lecture 1:

    • Fang Song: Quantum-secure key-length extension

  • 11:00-11:20: break

  • 11:20-12:20: Lecture 2:

    • Keita Xagawa: Security of NIST PQC KEM Candidates — Theory and Practice of the FO-like Transformations

  • 12:20-14:40: break

  • 14:40-15:40: Lecture 3

    • Hwajeong Seo: Post-quantum Cryptography in Practice

  • 15:40-16:00: break

  • 16:00-17:00: Lecture 4:

    • Dooho Choi: Quantum Algorithms and Quantum Circuits for Cryptography

June 25

  • 10:00-11:00: Lecture 1:

    • Sanjam Garg: Laconic Cryptography (and the special case of PSI)

  • 11:00-11:20: break

  • 11:20-12:20: Lecture 2:

    • Yilei Chen: Fiat-Shamir: from practice to theory

  • 12:20-14:50: break

  • 14:50-15:50: Lecture 3:

    • Thomas Prest: Post-quantum multi-recipient KEMs and their applications

  • 16:00-17:00: Lecture 4:

    • Gregor Leander: Lower Bounds on Degrees and Arguments against Integral Attacks for Block Ciphers

  • 17:00-17:10: break

  • 17:10-18:10: Lecture 5:

    • Frederik Vercauteren: Fun at the CSIDH