Improved low-depth SHA3 quantum circuit for fault-tolerant quantum computers

G Song, K Jang, H Seo - Applied Sciences, 2023 - mdpi.com
To build a secure cryptography system in the post-quantum era, one must find the minimum
security parameters against quantum attacks by estimating the quantum resources of a fault …

[HTML][HTML] Grover on Scrypt

G Song, H Seo - Electronics, 2024 - mdpi.com
This paper presents an optimized quantum circuit for the scrypt cryptographic algorithm. We
applied various optimization techniques to reduce the DW cost, which is the product of the …

A parallel quantum circuit implementations of LSH hash function for use with Grover's algorithm

G Song, K Jang, H Kim, H Seo - Applied Sciences, 2022 - mdpi.com
Grover's search algorithm accelerates the key search on the symmetric key cipher and the
pre-image attack on the hash function. To conduct Grover's search algorithm, the target …

NTT and Inverse NTT Quantum Circuits in CRYSTALS-Kyber for Post-Quantum Security Evaluation

G Song, K Jang, S Eum, M Sim, H Seo - Applied Sciences, 2023 - mdpi.com
The emergence of quantum computers threatens current cryptographic systems, and NIST is
preparing for the post-quantum era through the post-quantum cryptography (PQC) contest …

Optimized Quantum Circuit for Quantum Security Strength Analysis of Argon2

G Song, S Eum, H Kwon, M Sim, M Lee, H Seo - Electronics, 2023 - mdpi.com
This paper explores the optimization of quantum circuits for Argon2, a memory-hard function
used in password hashing applications. With the rise of quantum computers, the security of …

Comparative analysis of quantum circuit implementation for domestic and international hash functions

GJ Song, MH Song, HJ Seo - Smart Media Journal, 2023 - koreascience.kr
The advent of quantum computers threatens the security of existing hash functions. In this
paper, we confirmed the implementation results of quantum circuits for …