Sohto Chiku

According to our database, Sohto Chiku authored at least 8 papers between 2023 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

Adaptively Secure Matchmaking Encryption from Witness Encryption.

Taisei Matsushita, Sohto Chiku, Keisuke Hara, Junji Shikata

Proceedings of the Innovative Security Solutions for Information Technology and Communications, 2025

Hierarchical Identity-Based Matchmaking Encryption.

Sohto Chiku, Keisuke Hara, Junji Shikata

Proceedings of the Applied Cryptography and Network Security Workshops, 2025

2024

Chosen Ciphertext Security for (Hierarchical) Identity-Based Matchmaking Encryption.

Sohto Chiku, Keisuke Hara, Junji Shikata

IACR Cryptol. ePrint Arch., 2024

How to Accomplish Key and Communication Compression Over Authentication Channels - Proxy Re-authentication and Its Instantiations.

Yoshiro Matsuoka, Sohto Chiku, Keisuke Hara, Junji Shikata

Proceedings of the Network and System Security - 18th International Conference, 2024

How to Apply Fujisaki-Okamoto Transformation to Registration-Based Encryption.

Sohto Chiku, Keisuke Hara, Keitaro Hashimoto, Toi Tomita, Junji Shikata

Proceedings of the Cryptology and Network Security - 23rd International Conference, 2024

2023

Identity-Based Matchmaking Encryption, Revisited: Strong Security and Practical Constructions from Standard Classical and Post-Quantum Assumptions.

Sohto Chiku, Keitaro Hashimoto, Keisuke Hara, Junji Shikata

IACR Cryptol. ePrint Arch., 2023

Identity-Based Matchmaking Encryption Secure Against Key Generation Center.

Sohto Chiku, Keisuke Hara, Junji Shikata

Proceedings of the Provable and Practical Security, 2023

Chosen Ciphertext Security for Blind Identity-Based Encryption with Certified Identities.

Sohto Chiku, Keisuke Hara, Junji Shikata

Proceedings of the Information Security Practice and Experience, 2023