Fuyuki Kitagawa

100 papers A* 1B 1C 1Misc 4Journal 63Unranked 29
YearRankTypeTitle / Venue / Authors
2025 — conf
A Simple Framework for Secure Key Leasing.
EUROCRYPT (3)
Fuyuki Kitagawa, Tomoyuki Morimae, Takashi Yamakawa
2025 J jnl
A Unified Approach to Quantum Key Leasing with a Classical Lessor.
CoRR
Fuyuki Kitagawa, Jiahui Liu, Shota Yamada, Takashi Yamakawa
2025 J jnl
A Unified Approach to Quantum Key Leasing with a Classical Lessor.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Jiahui Liu, Shota Yamada, Takashi Yamakawa
2025 J jnl
Adaptive TDF from PKE with Randomness Recoverability and Pseudorandom Ciphertext Property.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Takahiro Matsuda
2025 J jnl
Adaptive TDF from any TDF via Pseudorandom-Ciphertext PKE.
IACR Commun. Cryptol.
Fuyuki Kitagawa, Takahiro Matsuda
2025 J jnl
Collusion-Resistant Quantum Secure Key Leasing Beyond Decryption.
CoRR
Fuyuki Kitagawa, Ryo Nishimaki, Nikhil Pappu
2025 J jnl
Collusion-Resistant Quantum Secure Key Leasing Beyond Decryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Nikhil Pappu
2025 J jnl
Copy Protecting Cryptographic Functionalities over Entropic Inputs.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Takashi Yamakawa
2025 J jnl
Copy-Protection from Unclonable Puncturable Obfuscation, Revisited.
IACR Cryptol. ePrint Arch.
Prabhanjan Ananth, Amit Behera, Zikuan Huang, Fuyuki Kitagawa, Takashi Yamakawa
2025 — conf
Foundations of Single-Decryptor Encryption.
TCC (3)
Fuyuki Kitagawa, Takashi Yamakawa
2025 J jnl
Foundations of Single-Decryptor Encryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Takashi Yamakawa
2025 J jnl
Multi-Copy Security in Unclonable Cryptography.
CoRR
Alper Çakan, Vipul Goyal, Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2025 J jnl
Multi-Copy Security in Unclonable Cryptography.
IACR Cryptol. ePrint Arch.
Alper Çakan, Vipul Goyal, Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2025 — conf
Non-committing Identity Based Encryption: Constructions and Applications.
PKC (1)
Rishab Goyal, Fuyuki Kitagawa, Venkata Koppula, Ryo Nishimaki, Mahesh Sreekumar Rajasree, Takashi Yamakawa
2025 — conf
PKE and ABE with Collusion-Resistant Secure Key Leasing.
CRYPTO (3)
Fuyuki Kitagawa, Ryo Nishimaki, Nikhil Pappu
2025 J jnl
PKE and ABE with Collusion-Resistant Secure Key Leasing.
CoRR
Fuyuki Kitagawa, Ryo Nishimaki, Nikhil Pappu
2025 J jnl
PKE and ABE with Collusion-Resistant Secure Key Leasing.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Nikhil Pappu
2025 — conf
Untelegraphable Encryption and its Applications.
TCC (3)
Jeffrey Champion, Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2025 J jnl
Untelegraphable Encryption and its Applications.
IACR Cryptol. ePrint Arch.
Jeffrey Champion, Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2025 J jnl
White-Box Watermarking Signatures against Quantum Adversaries and Its Applications.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki
2024 J jnl
A Simple Framework for Secure Key Leasing.
CoRR
Fuyuki Kitagawa, Tomoyuki Morimae, Takashi Yamakawa
2024 J jnl
A Simple Framework for Secure Key Leasing.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Tomoyuki Morimae, Takashi Yamakawa
2024 — conf
Certified Everlasting Secure Collusion-Resistant Functional Encryption, and More.
EUROCRYPT (3)
Taiga Hiroka, Fuyuki Kitagawa, Tomoyuki Morimae, Ryo Nishimaki, Tapas Pal, Takashi Yamakawa
2024 — conf
Quantum Public-Key Encryption with Tamper-Resilient Public Keys from One-Way Functions.
CRYPTO (7)
Fuyuki Kitagawa, Tomoyuki Morimae, Ryo Nishimaki, Takashi Yamakawa
2024 — conf
Robust Combiners and Universal Constructions for Quantum Cryptography.
TCC (2)
Taiga Hiroka, Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2024 J jnl
Untelegraphable Encryption and its Applications.
CoRR
Jeffrey Champion, Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2024 J jnl
Watermarking PRFs and PKE Against Quantum Adversaries.
J. Cryptol.
Fuyuki Kitagawa, Ryo Nishimaki
2023 J jnl
Certified Everlasting Secure Collusion-Resistant Functional Encryption, and More.
CoRR
Taiga Hiroka, Fuyuki Kitagawa, Tomoyuki Morimae, Ryo Nishimaki, Tapas Pal, Takashi Yamakawa
2023 J jnl
Certified Everlasting Secure Collusion-Resistant Functional Encryption, and More.
IACR Cryptol. ePrint Arch.
Taiga Hiroka, Fuyuki Kitagawa, Tomoyuki Morimae, Ryo Nishimaki, Tapas Pal, Takashi Yamakawa
2023 J jnl
NIZK from SNARGs.
J. Cryptol.
Fuyuki Kitagawa, Takahiro Matsuda, Takashi Yamakawa
2023 A* conf
Obfuscation of Pseudo-Deterministic Quantum Circuits.
STOC
James Bartusek, Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2023 J jnl
Obfuscation of Pseudo-Deterministic Quantum Circuits.
CoRR
James Bartusek, Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2023 J jnl
Obfuscation of Pseudo-Deterministic Quantum Circuits.
IACR Cryptol. ePrint Arch.
James Bartusek, Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2023 — conf
One-Out-of-Many Unclonable Cryptography: Definitions, Constructions, and More.
TCC (4)
Fuyuki Kitagawa, Ryo Nishimaki
2023 J jnl
One-out-of-Many Unclonable Cryptography: Definitions, Constructions, and More.
CoRR
Fuyuki Kitagawa, Ryo Nishimaki
2023 J jnl
One-out-of-Many Unclonable Cryptography: Definitions, Constructions, and More.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki
2023 — conf
Public Key Encryption with Secure Key Leasing.
EUROCRYPT (1)
Shweta Agrawal, Fuyuki Kitagawa, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2023 J jnl
Public Key Encryption with Secure Key Leasing.
CoRR
Shweta Agrawal, Fuyuki Kitagawa, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2023 J jnl
Public Key Encryption with Secure Key Leasing.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Fuyuki Kitagawa, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2023 — conf
Publicly Verifiable Deletion from Minimal Assumptions.
TCC (4)
Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2023 J jnl
Publicly Verifiable Deletion from Minimal Assumptions.
CoRR
Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2023 J jnl
Publicly Verifiable Deletion from Minimal Assumptions.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2023 J jnl
Quantum Public-Key Encryption with Tamper-Resilient Public Keys from One-Way Functions.
CoRR
Fuyuki Kitagawa, Tomoyuki Morimae, Ryo Nishimaki, Takashi Yamakawa
2023 J jnl
Quantum Public-Key Encryption with Tamper-Resilient Public Keys from One-Way Functions.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Tomoyuki Morimae, Ryo Nishimaki, Takashi Yamakawa
2023 J jnl
Robust Combiners and Universal Constructions for Quantum Cryptography.
IACR Cryptol. ePrint Arch.
Taiga Hiroka, Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2022 — conf
Bounded Functional Encryption for Turing Machines: Adaptive Security from General Assumptions.
TCC (1)
Shweta Agrawal, Fuyuki Kitagawa, Anuja Modi, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2022 J jnl
Bounded Functional Encryption for Turing Machines: Adaptive Security from General Assumptions.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Fuyuki Kitagawa, Anuja Modi, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2022 J jnl
CCA Security and Trapdoor Functions via Key-Dependent-Message Security.
J. Cryptol.
Fuyuki Kitagawa, Takahiro Matsuda, Keisuke Tanaka
2022 — conf
Functional Encryption with Secure Key Leasing.
ASIACRYPT (4)
Fuyuki Kitagawa, Ryo Nishimaki
2022 J jnl
Functional Encryption with Secure Key Leasing.
CoRR
Fuyuki Kitagawa, Ryo Nishimaki
2022 J jnl
Functional Encryption with Secure Key Leasing.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki
2022 — conf
KDM Security for the Fujisaki-Okamoto Transformations in the QROM.
Public Key Cryptography (2)
Fuyuki Kitagawa, Ryo Nishimaki
2022 J jnl
Obfustopia Built on Secret-Key Functional Encryption.
J. Cryptol.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2022 — conf
Watermarking PRFs Against Quantum Adversaries.
EUROCRYPT (3)
Fuyuki Kitagawa, Ryo Nishimaki
2022 J jnl
Watermarking PRFs against Quantum Adversaries.
CoRR
Fuyuki Kitagawa, Ryo Nishimaki
2022 J jnl
Watermarking PRFs against Quantum Adversaries.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki
2021 J jnl
Equivalence between Non-Malleability against Replayable CCA and Other RCCA-Security Notions.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Junichiro Hayata, Fuyuki Kitagawa, Yusuke Sakai, Goichiro Hanaoka, Kanta Matsuura
2021 J jnl
KDM Security for the Fujisaki-Okamoto Transformations in the QROM.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki
2021 J jnl
Obfustopia Built on Secret-Key Functional Encryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2021 — conf
Secure Software Leasing from Standard Assumptions.
TCC (1)
Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2021 J jnl
Simple and Generic Constructions of Succinct Functional Encryption.
J. Cryptol.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2020 — conf
Circular Security Is Complete for KDM Security.
ASIACRYPT (1)
Fuyuki Kitagawa, Takahiro Matsuda
2020 J jnl
Circular Security Is Complete for KDM Security.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Takahiro Matsuda
2020 — conf
NIZK from SNARG.
TCC (1)
Fuyuki Kitagawa, Takahiro Matsuda, Takashi Yamakawa
2020 J jnl
NIZK from SNARG.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Takahiro Matsuda, Takashi Yamakawa
2020 J jnl
Non-Committing Encryption with Constant Ciphertext Expansion from Standard Assumptions.
IACR Cryptol. ePrint Arch.
Yusuke Yoshida, Fuyuki Kitagawa, Keita Xagawa, Keisuke Tanaka
2020 — conf
Non-committing Encryption with Constant Ciphertext Expansion from Standard Assumptions.
ASIACRYPT (2)
Yusuke Yoshida, Fuyuki Kitagawa, Keita Xagawa, Keisuke Tanaka
2020 Misc conf
Secret Sharing with Statistical Privacy and Computational Relaxed Non-malleability.
ICISC
Tasuku Narita, Fuyuki Kitagawa, Yusuke Yoshida, Keisuke Tanaka
2020 J jnl
Secure Software Leasing from Standard Assumptions.
CoRR
Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2020 J jnl
Secure Software Leasing from Standard Assumptions.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Takashi Yamakawa
2020 J jnl
Verifiable Privacy-Preserving Data Aggregation Protocols.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Satoshi Yasuda, Yoshihiro Koseki, Yusuke Sakai, Fuyuki Kitagawa, Yutaka Kawai, Goichiro Hanaoka
2019 — conf
Adaptively Secure and Succinct Functional Encryption: Improving Security and Efficiency, Simultaneously.
CRYPTO (3)
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka, Takashi Yamakawa
2019 — conf
CCA Security and Trapdoor Functions via Key-Dependent-Message Security.
CRYPTO (3)
Fuyuki Kitagawa, Takahiro Matsuda, Keisuke Tanaka
2019 J jnl
CCA Security and Trapdoor Functions via Key-Dependent-Message Security.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Takahiro Matsuda, Keisuke Tanaka
2019 — conf
CPA-to-CCA Transformation for KDM Security.
TCC (2)
Fuyuki Kitagawa, Takahiro Matsuda
2019 J jnl
CPA-to-CCA Transformation for KDM Security.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Takahiro Matsuda
2019 Misc conf
Equivalence Between Non-malleability Against Replayable CCA and Other RCCA-Security Notions.
IWSEC
Junichiro Hayata, Fuyuki Kitagawa, Yusuke Sakai, Goichiro Hanaoka, Kanta Matsuura
2019 — conf
Non-Committing Encryption with Quasi-Optimal Ciphertext-Rate Based on the DDH Problem.
ASIACRYPT (3)
Yusuke Yoshida, Fuyuki Kitagawa, Keisuke Tanaka
2019 J jnl
Non-Committing Encryption with Quasi-Optimal Ciphertext-Rate Based on the DDH Problem.
IACR Cryptol. ePrint Arch.
Yusuke Yoshida, Fuyuki Kitagawa, Keisuke Tanaka
2019 — conf
Simple and Efficient KDM-CCA Secure Public Key Encryption.
ASIACRYPT (3)
Fuyuki Kitagawa, Takahiro Matsuda, Keisuke Tanaka
2019 J jnl
Simple and Efficient KDM-CCA Secure Public Key Encryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Takahiro Matsuda, Keisuke Tanaka
2019 J jnl
Simulation-based receiver selective opening CCA secure PKE from standard computational assumptions.
Theor. Comput. Sci.
Keisuke Hara, Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2018 — conf
A Framework for Achieving KDM-CCA Secure Public-Key Encryption.
ASIACRYPT (2)
Fuyuki Kitagawa, Keisuke Tanaka
2018 J jnl
A Framework for Achieving KDM-CCA Secure Public-Key Encryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Keisuke Tanaka
2018 J jnl
Adaptively Secure and Succinct Functional Encryption: Improving Security and Efficiency, Simultaneously.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka, Takashi Yamakawa
2018 C conf
Formal Treatment of Verifiable Privacy-Preserving Data-Aggregation Protocols.
ProvSec
Satoshi Yasuda, Yoshihiro Koseki, Yusuke Sakai, Fuyuki Kitagawa, Yutaka Kawai, Goichiro Hanaoka
2018 — conf
Key Dependent Message Security and Receiver Selective Opening Security for Identity-Based Encryption.
Public Key Cryptography (1)
Fuyuki Kitagawa, Keisuke Tanaka
2018 — conf
Obfustopia Built on Secret-Key Functional Encryption.
EUROCRYPT (2)
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2018 — conf
Simple and Generic Constructions of Succinct Functional Encryption.
Public Key Cryptography (2)
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2018 Misc conf
Simulation-Based Receiver Selective Opening CCA Secure PKE from Standard Computational Assumptions.
SCN
Keisuke Hara, Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2018 J jnl
Simulation-based Receiver Selective Opening CCA Secure PKE from Standard Computational Assumptions.
IACR Cryptol. ePrint Arch.
Keisuke Hara, Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2017 — ch.
Constructions for the IND-CCA1 Secure Fully Homomorphic Encryption.
CREST Crypto-Math Project
Satoshi Yasuda, Fuyuki Kitagawa, Keisuke Tanaka
2017 J jnl
From Single-Key to Collusion-Resistant Secret-Key Functional Encryption by Leveraging Succinctness.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2017 J jnl
Indistinguishability Obfuscation for All Circuits from Secret-Key Functional Encryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2017 J jnl
Indistinguishability Obfuscation: Simpler Constructions using Secret-Key Functional Encryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2017 J jnl
Key Dependent Message Security and Receiver Selective Opening Security for Identity-Based Encryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Keisuke Tanaka
2016 — conf
On the Key Dependent Message Security of the Fujisaki-Okamoto Constructions.
Public Key Cryptography (1)
Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2016 J jnl
On the Key Dependent Message Security of the Fujisaki-Okamoto Constructions.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2015 B conf
Completeness of Single-Bit Projection-KDM Security for Public Key Encryption.
CT-RSA
Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2014 Misc conf
Efficient Key Dependent Message Security Amplification Against Chosen Ciphertext Attacks.
ICISC
Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka