Faculty Profiles - KODERA Yuuta

Papers - KODERA Yuuta

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Period and Some Distribution Properties of a Nonlinear Filter Generator with Dynamic Mapping Reviewed

Y. Kodera

IEICE Trans. Fundam. E106-A ( 12 ) 1511 - 1515 2023.12

An implementation of ELiPS-based Ciphertext-Policy Attribute-Based Encryption Reviewed

Le Hoang Anh, Yuta Kawada, Samsul Huda, Md. Arshad Ali, Yuta Kodera, Yasuyuki Nogami

2023 Eleventh International Symposium on Computing and Networking Workshops (CANDARW) 220 - 226 2023.11

Existence of Equivalent Keys in a Random Number Generator with Field Trace and a Dynamic Mapping Reviewed

Itsuki Maebayashi, Yuki Takeuchi, Md. Arshad Ali, Yasuyuki Nogami, Yuta Kodera

CCIS (MobiSec 2023) 2095 109 - 120 2023.11

Evaluation of machine learning based optimized feature selection approaches and classification methods for Intrusion Detection System Reviewed

Muhammad Bisri Musthafa, Md. Arshad Ali, Samsul Huda, Yuta Kodera, Takuya Kusaka, Yasuyuki Nogami

2023 IEEE International Conference on Consumer Electronics - Taiwan (ICCE-TW) 2023.7

An Attack for a 116bit ECDLP for a Barreto-Naehrig Curve Reviewed

Takuro Manabe, Ken Ikuta, Sho Joichi, Hiromasa Miura, Shota Kanzawa, Yasuyuki Nogami, Yuta Kodera, Takuya Kusaka

2023 IEEE International Conference on Consumer Electronics - Taiwan (ICCE-TW) 2023.7

A modified M-sequence with dynamic mapping and its autocorrelation Reviewed

Itsuki Maebayashi, Yuki Takeuchi, Md. Arshad Ali, Takuya Kusaka, Yasuyuki Nogami, Yuta Kodera

2023 IEEE International Conference on Consumer Electronics - Taiwan (ICCE-TW) 2023.7

A Proposal for Efficient Multiplication and Inverse Calculation in Streamlined NTRU Prime Reviewed

Masakazu Awakihara, Jun Miura, Md. Arshad Ali, Takuya Kusaka, Yasuyuki Nogami, Yuta Kodera

2023 IEEE International Conference on Consumer Electronics - Taiwan (ICCE-TW) 2023.7

A Consideration of Averaging the Calculation Cost of CVMA for A Secure Session based Data Transmission Reviewed

Akane Miyoshi, Kazuma Ikesaka, Md. Arshad Ali, Yuta Kodera, Takuya Kusaka, Yasuyuki Nogami

2023 IEEE International Conference on Consumer Electronics - Taiwan (ICCE-TW) 2023.7

A Consideration of Parameters for a Nonlinear Filter Generator and its Linear Complexity Profile Reviewed

Yuki Takeuchi, Itsuki Maebayashi, Md. Arshad Ali, Takuya Kusaka, Yasuyuki Nogami, Yuta Kodera

2023 IEEE International Conference on Consumer Electronics - Taiwan (ICCE-TW) 2023.7

Improvement of Miller Loop for a Pairing on FK12 Curve and Evaluation with other STNFS Curves. Reviewed

Kazuma Ikesaka, Yuki Nanjo, Yuta Kodera, Takuya Kusaka, Yasuyuki Nogami

International Journal of Networking and Computing 13 ( 2 ) 242 - 257 2023.7

A Proposal of Eliminating Fruitless Cycle for Efficient Pollard’s Rho Method by Adding a Constant Rational Point Reviewed

Takuro Manabe, Shota Kanzawa, Md Arshad Ali, Yasuyuki Nogami, Yuta Kodera, Takuya Kusaka

The 38th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC) 864 - 869 2023.6

Method to Eliminate Fruitless Cycles for Pollard’s Rho Method with Splitting Table Reviewed

Shota Kanzawa, Takuro Manabe, Yuta Kodera, Yasuyuki Nogami, Takuya Kusaka

The 38th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC) 870 - 874 2023.6

A Proposal of Medical Information Management System Based on Consortium Blockchain Reviewed

Jie Yang, Md. Arshad Ali, Yuta Kodera, Yasuyuki Nogami

The 38th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC) 501 - 506 2023.6

An Improvement of Algorithm for Computing Final Exponentiation for Pairing on KSS36 Curve and its Implementation Reviewed

Yuta Kawada, Kazuma Ikesaka, Md. Arshad Ali, Yuta Kodera, Yasuyuki Nogami

The 38th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC) 858 - 863 2023.6

A Smart Contract Based Blockchain Approach Integrated with Elliptic Curve Cryptography for Secure Email Application.

Md. Biplob Hossain, Maya Rahayu, Ali Md. Arshad, Samsul Huda, Yuta Kodera, Yasuyuki Nogami

CANDARW 195 - 201 2023

An integrated secured vehicular ad-hoc network leveraging Kerberos authentication and Blockchain technology.

Maya Rahayu, Md. Biplob Hossain, Ali Md. Arshad, Samsul Huda, Yuta Kodera, Yasuyuki Nogami

CANDARW 260 - 266 2023

A Smart Contract Based Blockchain Approach Integrated with Elliptic Curve Cryptography for Secure Email Application

Md Biplob Hossain, Maya Rahayu, Md Arshad Ali, Samsul Huda, Yuta Kodera, Yasuyuki Nogami

Proceedings - 2023 11th International Symposium on Computing and Networking Workshops, CANDARW 2023 195 - 201 2023

Publishing type：Research paper (international conference proceedings)

In today's interconnected digital era, email stands as a primary platform for communication across various fields, such as business, academia, and personal interactions. Since it operates on shared mediums, email is inherently susceptible to interception and misuse of sensitive information. To cover this issue, Pretty Good Privacy (PGP) ensures the confidentiality of email contents. However, while PGP effectively encrypts the body of messages, a significant vulnerability emerges during key sharing. Blockchain technology comes with its immutability aspect. Once data is embedded into the blockchain, modifying it becomes exceedingly challenging. This makes it a potential safeguard against the vulnerabilities in PGP's key sharing mechanism. Additionally, smart contracts remove the requirement of a Man-in-the-Middle for sharing key, which enhances the sharing key's security and builds trust among users. In this paper, we integrate the strengths of blockchain into the PGP encryption process, specifically targeting the key sharing vulnerability. Also, we adopt Elliptic Curve Cryptography (ECC) to ensure the confidentiality of the PGP's key. First, generate the PGP's key. Then, encrypt it using ECC. After that, deploy a smart contract and continue with the encrypted PGP's key transactions in blockchain networks. Through this integration, we aim to enhance the security, ensuring both confidentiality and integrity of the PGP's key. We demonstrated that the proposed system is workable by experimental observation.

DOI： 10.1109/CANDARW60564.2023.00040

An integrated secured vehicular ad-hoc network leveraging Kerberos authentication and Blockchain technology

Maya Rahayu, Md Biplob Hossain, Md Arshad Ali, Samsul Huda, Yuta Kodera, Yasuyuki Nogami

Proceedings - 2023 11th International Symposium on Computing and Networking Workshops, CANDARW 2023 260 - 266 2023

Publishing type：Research paper (international conference proceedings)

Vehicular Ad-Hoc Networks (VANETs) are a prominent technology in the drive towards establishing smart transportation systems in the Digital Transformation (DX) era. These networks provide users with critical road information for optimal route selection and accident avoidance. However, the openness of VANETs environment makes them susceptible to various cyber threats. Therefore, authenticating the entities that join the network is necessary and crucial for ensuring the security and integrity of VANET communications. Kerberos is one of the authentication protocols that ensure security, as the password and key are never directly sent among the entities. However, ensuring secure and efficient authentication, especially in VANET handovers, remains a challenge. This paper introduces an innovative authentication system for VANETs that leverages the combined power of blockchain and Kerberos. The system stores Kerberos authenticator messages in a distributed ledger within the blockchain, accessible to Trusted Authorities (TAS) and all RSUs. This approach streamlines vehicle handovers and safeguards authenticator messages against adversarial tampering. It exhibits minimal signalling overhead and authentication delay, ensuring swift and secure authentication processes. We verify the proposal's effectiveness by simulating the VANETs environment with 100 vehicles, 4 RSUs, and 1 TAS using Omnet++ with the Tsushima, Japan area map.

DOI： 10.1109/CANDARW60564.2023.00050

A Method to Eliminate Fruitless Cycles for Pollard’s Rho Method by Splitting a Seed-point Table for a Random Walk Reviewed

Shota Kanzawa, Hiromasa Miura, Yasuyuki Nogami, Yuta Kodera, Takuya Kusaka

Tenth International Symposium on Computing and Networking 110 - 116 2022.11

Improvement of Optimal-Ate Pairing on Cocks-Pinch Curve with Embedding Degree 6 in Affine Coordinates Reviewed

Tomohiro Iida, Kazuma Ikesaka, Yuta Kodera, Takuya Kusaka, Yasuyuki Nogami

Tenth International Symposium on Computing and Networking Workshops 309 - 315 2022.11

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