Chameleon Hashing Security Enhancement to Hierarchical Identity-Based Identification

Authors: Fujioka, Atsushi, Saito, Keisuke, Saito, Taiichi, Xagawa, Keita

Source: 2024 International Symposium on Information Theory and Its Applications (ISITA) Information Theory and Its Applications (ISITA), 2024 International Symposium on. :260-265 Nov, 2024

Relation: 2024 International Symposium on Information Theory and Its Applications (ISITA)

Quantum Group Actions

Authors: Morimae, Tomoyuki, Xagawa, Keita

Subject Terms: Quantum Physics

Access URL: http://arxiv.org/abs/2410.04777

An improvement on the versatility of secure multi-party quantum computation protocol: exploitation of triorthogonal quantum error-correcting codes

Authors: Mishchenko, Petr A., Xagawa, Keita

Subject Terms: Quantum Physics

Access URL: http://arxiv.org/abs/2211.00777

Secure multi-party quantum computation protocol for quantum circuits: the exploitation of triply-even quantum error-correcting codes

Authors: Mishchenko, Petr A., Xagawa, Keita

Source: Phys. Rev. A 110, 022444 (2024)

Subject Terms: Quantum Physics

Access URL: http://arxiv.org/abs/2206.04871

Making the Identity-Based Diffie—Hellman Key Exchange Efficiently Revocable
8th International Conference on Cryptology and Information Security in Latin America, LATINCRYPT 2023

Authors: Nakagawa, Kohei, Fujioka, Atsushi, Nagai, Akira, Tomida, Junichi, Xagawa, Keita, Yasuda, Kan

Source: Lecture Notes in Computer Science. (14168):171-191

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCCN608462011&indx=1&recIds=ETOCCN608462011

Post-quantum Anonymity of Kyber
26th IACR International conference on practice and theory of public-key cryptography, PKC 2023

Authors: Maram, Varun, Xagawa, Keita

Source: Lecture notes in computer science. 13940:3-35

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCCN608237469&indx=1&recIds=ETOCCN608237469

Anonymity of NIST PQC Round 3 KEMs
41st Theory and applications of cryptographic techniques International conference, EUROCRYPT

Authors: Xagawa, Keita

Source: Lecture notes in computer science. 13277:551-581

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCCN607643305&indx=1&recIds=ETOCCN607643305

The Boneh-Katz Transformation, Revisited: Pseudorandom/Obliviously-Samplable PKE from Lattices and Codes and Its Application
Selected areas in cryptography (International conference)

Authors: Xagawa, Keita

Source: Lecture notes in computer science. 13203:47-67

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCCN607527311&indx=1&recIds=ETOCCN607527311

Quantum Algorithm for the Multicollision Problem

Authors: Hosoyamada, Akinori, Sasaki, Yu, Tani, Seiichiro, Xagawa, Keita

Subject Terms: Quantum Physics, Computer Science - Computational Complexity, Computer Science - Cryptography and Security

Access URL: http://arxiv.org/abs/1911.02822

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Improved Quantum Multicollision-Finding Algorithm

Authors: Hosoyamada, Akinori, Sasaki, Yu, Tani, Seiichiro, Xagawa, Keita

Subject Terms: Computer Science - Cryptography and Security, Computer Science - Computational Complexity, Computer Science - Data Structures and Algorithms, Quantum Physics

Access URL: http://arxiv.org/abs/1811.08097

Fault-Injection Attacks Against NISt's Post-Quantum Cryptography Round 3 KEM Candidates
27th Theory and application of cryptology and information security International conference

Authors: Xagawa, Keita, Ito, Akira, Ueno, Rei, Takahashi, Junko, Homma, Naofumi

Source: Lecture notes in computer science. 13091:33-61

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCCN607329495&indx=1&recIds=ETOCCN607329495

Non-committing Encryption with Constant Ciphertext Expansion from Standard Assumptions
Advances in Cryptology (ASIACRYPT 2020): 26th International Conference on the Theory and Application of Cryptology and Information Security. Part II (Online)

Authors: Yoshida, Yusuke, Kitagawa, Fuyuki, Xagawa, Keita, Tanaka, Keisuke

Source: Lecture notes in computer science. 12492:36-65

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCCN606537863&indx=1&recIds=ETOCCN606537863

Post-quantum Provably-Secure Authentication and MAC from Mersenne Primes
Topics in cryptology CT-RSA 2020

Authors: Ferradi, Houda, Xagawa, Keita

Source: Lecture notes in computer science. 12006:469-495

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCCN605884713&indx=1&recIds=ETOCCN605884713

Quantum Random Oracle Model with Auxiliary Input
Theory and application of cryptology and information security (25th International conference)

Authors: Hhan, Minki, Xagawa, Keita, Yamakawa, Takashi

Source: Lecture notes in computer science. 11921:584-614

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCCN605688649&indx=1&recIds=ETOCCN605688649

Improved Quantum Multicollision-Finding Algorithm
Post-quantum cryptography (International conference)

Authors: Hosoyamada, Akinori, Sasaki, Yu, Tani, Seiichiro, Xagawa, Keita

Source: Lecture notes in computer science. 11505:350-370

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCCN605367505&indx=1&recIds=ETOCCN605367505

(Tightly) QCCA-Secure Key-Encapsulation Mechanism in the Quantum Random Oracle Model
Post-quantum cryptography (International conference)

Authors: Xagawa, Keita, Yamakawa, Takashi

Source: Lecture notes in computer science. 11505:249-270

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCCN605367457&indx=1&recIds=ETOCCN605367457

Quantum algorithm for the multicollision problem

Authors: Hosoyamada, Akinori, Sasaki, Yu, Tani, Seiichiro, Xagawa, Keita

Source: In Theoretical Computer Science 24 November 2020 842:100-117

Tightly-Secure Key-Encapsulation Mechanism in the Quantum Random Oracle Model
Theory and applications of cryptographic techniques (International conference)

Authors: Saito, Tsunekazu, Xagawa, Keita, Yamakawa, Takashi

Source: Lecture notes in computer science. 10822(3):520-551

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCCN603507627&indx=1&recIds=ETOCCN603507627

Practical Cryptanalysis of a Public-Key Encryption Scheme Based on Non-linear Indeterminate Equations at SAC 2017
Post-qantum cryptography (International conference)

Authors: Xagawa, Keita

Source: Lecture notes in computer science. 10786:142-164

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCCN603505448&indx=1&recIds=ETOCCN603505448