Welcome to the Post-Quantum Security and Cryptography Lab(양자내성암호 연구실) at the School of Cybersecurity, Korea University, Republic of Korea. 

    Our research is centered on Post-Quantum Cryptography, which aims to develop cryptographic systems secure against quantum computer attacks. We primarily focus on the design, implementation, and security analysis of lattice-based public-key encryption schemes and digital signatures, as these are strong candidates for standardization in the quantum era.
    A core focus of our research lies not only in constructing post-quantum cryptographic schemes but also in analyzing the mathematical hardness assumptions that underlying their security—particularly lattice-based problems. We aim to deepen the understanding of these foundational problems through structural and algebraic analysis, ensuring that the cryptographic constructions we develop are not only efficient, but also built upon rigorously studied and well-understood assumptions.