Functional Encryption Enabling Secure Leasing of Private Keys | NTT R&D Website
Functional Encryption Enabling Secure Leasing of Private Keys | NTT R&D Website NTT R&D Website
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Fuyuki Kitagawa | NTT R&D Website
Functional Encryption, EUROCRYPT 2018. Fuyuki Kitagawa, Takahiro Matsuda, and Keisuke Tanaka, CCA Security
https://www.rd.ntt/e/organization/researcher/special/s_091.html
北川 冬航 | NTT R&D Website
Quantum Adversaries, EUROCRYPT 2022. Fuyuki Kitagawa and Ryo Nishimaki, Functional Encryption with Secure
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Dr.Tatsuaki Okamoto | NTT R&D Website
). Fully Secure Functional Encryption with a Large Class of Relations from the Decisional Linear Assumption
https://www.rd.ntt/e/organization/researcher/fellow/f_001.html
Dr.Tatsuaki Okamoto_Curriculum Vitae
Secure Functional Encryption with a Large Class of Relations from the Decisional Linear Assumption
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Development of Modern Cryptography and Research on Quantum Cryptography | NTT R&D Website
uncertain and creates the risk of information leakage. The feature article entitled "Functional Encryption
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岡本 龍明 | NTT R&D Website
. 99-A, No. 1, pp.73-82 (2016). Fully Secure Functional Encryption with a Large Class of Relations from
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Aiming to Be the World's Top Cryptography Laboratory | NTT R&D Website
, functional encryption, was pioneered by CIS Labs' Dr. Waters about 15 years ago (Fig. 1). As a result, in the
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岡本龍明_略歴・業績リスト
2010, LNCS6434, Springer-Verlag, pp. 149-163, (2010). Fully Secure Functional Encryption: Attribute
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Ensuring Safe and Secure Information Communication for the Future through Post-quantum Secure Cryptography and Proof of Deletion Technologies | NTT R&D Website
(Fig. 2). Fig. 2. Examples of functional encryption. This type of encryption, which allows for precise
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Report on the NTT R&D Forum — Road to IOWN 2022|NTT R&D Website
quantum computing to break public-key encryption, one of the encryption systems now in use. "Learning with
https://www.rd.ntt/e/forum/2022/
Report on the NTT R&D Forum — Road to IOWN 2022|NTT R&D Website
quantum computing to break public-key encryption, one of the encryption systems now in use. "Learning with
https://www.rd.ntt/e/forum/2022/index.html
R&D History | NTT R&D Website
encryption LSI, FEAL-8, developed. Narrow spectral line width multielectrode array DFB laser developed. 1989
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Frontier Communication Laboratory | NTT Network Innovation Laboratories | NTT R&D Website
encryption functions and that can provide the same level of security on various platforms (optical
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秘密鍵を安全に貸与できる関数型暗号 | NTT R&D Website
の「人事部/係長」「営業部/課長」といった属性の鍵では復号できず、メッセージの秘匿性が守られます。 2023年1月に発表した論文『Functional Encryption with Secure Key
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Updates | NTT R&D Website
and Functional Exploration of Carrier Dynamics in Atomic-layer Materials 07/25/2025 Using Silicon
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Security of Hash Functions against Attacks Using Quantum Computers | NTT R&D Website
Cryptography Functional Encryption Enabling Secure Leasing of Private Keys Quantum Algorithms with Potential
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NTT R&D FORUM 2025 Event Report | NTT R&D Website
importance of planning capabilities, functional integration as an agent's hands and feet, the utilization of
https://www.rd.ntt/e/forum/2025/
rd2025-e.pdf
foundational work in areas such as attribute-based encryption, fully homomorphic encryption, and functional
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Quantum Algorithms with Potential for New Applications | NTT R&D Website
Cryptography and Research on Quantum Cryptography Functional Encryption Enabling Secure Leasing of Private Keys
https://www.rd.ntt/e/research/JN202305_21863.html