Tetsu Iwata

157 papers A* 16A 3B 12C 9Misc 11Journal 94Unranked 8
YearRankTypeTitle / Venue / Authors
2026 J jnl
Multi-key Security in the Quantum World: Revisiting Tweakable Even-Mansour and FX.
IACR Cryptol. ePrint Arch.
Rentaro Shiba, Tetsu Iwata
2026 J jnl
Practical committing attacks against Rocca-S.
Inf. Process. Lett.
Ryunosuke Takeuchi, Yosuke Todo, Tetsu Iwata
2025 J jnl
A Note on Feedback-PRF Mode of KDF from NIST SP 800-108.
IACR Cryptol. ePrint Arch.
Ritam Bhaumik, Avijit Dutta, Tetsu Iwata, Ashwin Jha, Kazuhiko Minematsu, Mridul Nandi, Yu Sasaki, Meltem Sönmez Turan, Stefano Tessaro
2025 B conf
Comprehensive Robustness Analysis of GCM, CCM, and OCB3.
CT-RSA
Akiko Inoue, Tetsu Iwata, Kazuhiko Minematsu
2025 — conf
Cryptographic Treatment of Key Control Security - In Light of NIST SP 800-108.
CRYPTO (5)
Ritam Bhaumik, Avijit Dutta, Akiko Inoue, Tetsu Iwata, Ashwin Jha, Kazuhiko Minematsu, Mridul Nandi, Yu Sasaki, Meltem Sönmez Turan, Stefano Tessaro
2025 J jnl
Cryptographic Treatment of Key Control Security - In Light of NIST SP 800-108.
IACR Cryptol. ePrint Arch.
Ritam Bhaumik, Avijit Dutta, Akiko Inoue, Tetsu Iwata, Ashwin Jha, Kazuhiko Minematsu, Mridul Nandi, Yu Sasaki, Meltem Sönmez Turan, Stefano Tessaro
2025 A* conf
Poster: An Improved Quantum Attack on the Two-round Even-Mansour Cipher with Independent Permutations and Keys.
CCS
Rentaro Shiba, Tetsu Iwata
2025 J jnl
Type-2 Generalized Feistel Structures Based on Tweakable Block Ciphers, Reconsidered.
IACR Commun. Cryptol.
Kento Tsuji, Tetsu Iwata
2024 J jnl
Comprehensive Robustness Analysis of GCM, CCM, and OCB3.
IACR Cryptol. ePrint Arch.
Akiko Inoue, Tetsu Iwata, Kazuhiko Minematsu
2024 J jnl
Feistel Ciphers Based on a Single Primitive.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kento Tsuji, Tetsu Iwata
2024 J jnl
Key Recovery, Universal Forgery, and Committing Attacks against Revised Rocca: How Finalization Affects Security.
IACR Trans. Symmetric Cryptol.
Ryunouchi Takeuchi, Yosuke Todo, Tetsu Iwata
2024 J jnl
Practical Committing Attacks against Rocca-S.
IACR Cryptol. ePrint Arch.
Ryunosuke Takeuchi, Yosuke Todo, Tetsu Iwata
2023 C conf
Feistel Ciphers Based on a Single Primitive.
IMACC
Kento Tsuji, Tetsu Iwata
2023 J jnl
Key Committing Security of AEZ and More.
IACR Trans. Symmetric Cryptol.
Yu Long Chen, Antonio Flórez-Gutiérrez, Akiko Inoue, Ryoma Ito, Tetsu Iwata, Kazuhiko Minematsu, Nicky Mouha, Yusuke Naito, Ferdinand Sibleyras, Yosuke Todo
2023 Misc conf
PMACrx: A Vector-Input MAC for High-Dimensional Vectors with BBB Security.
IWSEC
Isamu Furuya, Hayato Kasahara, Akiko Inoue, Kazuhiko Minematsu, Tetsu Iwata
2022 B conf
Analyzing the Provable Security Bounds of GIFT-COFB and Photon-Beetle.
ACNS
Akiko Inoue, Tetsu Iwata, Kazuhiko Minematsu
2022 J jnl
Analyzing the Provable Security Bounds of GIFT-COFB and Photon-Beetle.
IACR Cryptol. ePrint Arch.
Akiko Inoue, Tetsu Iwata, Kazuhiko Minematsu
2022 J jnl
Cryptanalysis of Rocca and Feasibility of Its Security Claim.
IACR Trans. Symmetric Cryptol.
Akinori Hosoyamada, Akiko Inoue, Ryoma Ito, Tetsu Iwata, Kazuhiko Minematsu, Ferdinand Sibleyras, Yosuke Todo
2022 J jnl
Generalized Feistel Structures Based on Tweakable Block Ciphers.
IACR Trans. Symmetric Cryptol.
Kazuki Nakaya, Tetsu Iwata
2022 J jnl
Matching Attacks on Romulus-M.
IACR Cryptol. ePrint Arch.
Makoto Habu, Kazuhiko Minematsu, Tetsu Iwata
2022 J jnl
Matching attacks on Romulus-M.
IET Inf. Secur.
Makoto Habu, Kazuhiko Minematsu, Tetsu Iwata
2022 J jnl
New indifferentiability security proof of MDPH hash function.
IET Inf. Secur.
Chun Guo, Tetsu Iwata, Kazuhiko Minematsu
2022 J jnl
On the (im)possibility of improving the round diffusion of generalized Feistel structures.
Inf. Process. Lett.
Kyoji Shibutani, Tetsu Iwata
2022 J jnl
Quantum attacks on Sum of Even-Mansour pseudorandom functions.
Inf. Process. Lett.
Kazuo Shinagawa, Tetsu Iwata
2021 J jnl
Indifferentiability of SKINNY-HASH Internal Functions.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Akinori Hosoyamada, Tetsu Iwata
2021 J jnl
New Indifferentiability Security Proof of MDPH Hash Function.
IACR Cryptol. ePrint Arch.
Chun Guo, Tetsu Iwata, Kazuhiko Minematsu
2021 — conf
On Tight Quantum Security of HMAC and NMAC in the Quantum Random Oracle Model.
CRYPTO (1)
Akinori Hosoyamada, Tetsu Iwata
2021 J jnl
On Tight Quantum Security of HMAC and NMAC in the Quantum Random Oracle Model.
IACR Cryptol. ePrint Arch.
Akinori Hosoyamada, Tetsu Iwata
2021 J jnl
Provably Quantum-Secure Tweakable Block Ciphers.
IACR Trans. Symmetric Cryptol.
Akinori Hosoyamada, Tetsu Iwata
2020 J jnl
Beyond-Birthday-Bound Secure Cryptographic Permutations from Ideal Ciphers with Long Keys.
IACR Trans. Symmetric Cryptol.
Ryota Nakamichi, Tetsu Iwata
2020 J jnl
Blockcipher-Based Authenticated Encryption: How Small Can We Go?
J. Cryptol.
Avik Chakraborti, Tetsu Iwata, Kazuhiko Minematsu, Mridul Nandi
2020 J jnl
Cryptanalysis of OCB2: Attacks on Authenticity and Confidentiality.
J. Cryptol.
Akiko Inoue, Tetsu Iwata, Kazuhiko Minematsu, Bertram Poettering
2020 J jnl
Duel of the Titans: The Romulus and Remus Families of Lightweight AEAD Algorithms.
IACR Trans. Symmetric Cryptol.
Tetsu Iwata, Mustafa Khairallah, Kazuhiko Minematsu, Thomas Peyrin
2020 J jnl
GIFT-COFB.
IACR Cryptol. ePrint Arch.
Subhadeep Banik, Avik Chakraborti, Tetsu Iwata, Kazuhiko Minematsu, Mridul Nandi, Thomas Peyrin, Yu Sasaki, Siang Meng Sim, Yosuke Todo
2020 J jnl
Indifferentiability of SKINNY-HASH Internal Functions.
IACR Cryptol. ePrint Arch.
Akinori Hosoyamada, Tetsu Iwata
2020 J jnl
Provably Quantum-Secure Tweakable Block Ciphers.
IACR Cryptol. ePrint Arch.
Akinori Hosoyamada, Tetsu Iwata
2019 — conf
4-Round Luby-Rackoff Construction is a qPRP.
ASIACRYPT (1)
Akinori Hosoyamada, Tetsu Iwata
2019 — conf
Cryptanalysis of OCB2: Attacks on Authenticity and Confidentiality.
CRYPTO (1)
Akiko Inoue, Tetsu Iwata, Kazuhiko Minematsu, Bertram Poettering
2019 J jnl
Cryptanalysis of OCB2: Attacks on Authenticity and Confidentiality.
IACR Cryptol. ePrint Arch.
Akiko Inoue, Tetsu Iwata, Kazuhiko Minematsu, Bertram Poettering
2019 J jnl
Duel of the Titans: The Romulus and Remus Families of Lightweight AEAD Algorithms.
IACR Cryptol. ePrint Arch.
Tetsu Iwata, Mustafa Khairallah, Kazuhiko Minematsu, Thomas Peyrin
2019 J jnl
Iterative Block Ciphers from Tweakable Block Ciphers with Long Tweaks.
IACR Trans. Symmetric Cryptol.
Ryota Nakamichi, Tetsu Iwata
2019 Misc conf
Quantum Attacks Against Type-1 Generalized Feistel Ciphers and Applications to CAST-256.
INDOCRYPT
Boyu Ni, Gembu Ito, Xiaoyang Dong, Tetsu Iwata
2019 B conf
Quantum Chosen-Ciphertext Attacks Against Feistel Ciphers.
CT-RSA
Gembu Ito, Akinori Hosoyamada, Ryutaroh Matsumoto, Yu Sasaki, Tetsu Iwata
2019 J jnl
Quantum Distinguishing Attacks against Type-1 Generalized Feistel Ciphers.
IACR Cryptol. ePrint Arch.
Gembu Ito, Tetsu Iwata
2019 J jnl
Tight Quantum Security Bound of the 4-Round Luby-Rackoff Construction.
IACR Cryptol. ePrint Arch.
Akinori Hosoyamada, Tetsu Iwata
2019 B conf
Universal Forgery and Multiple Forgeries of MergeMAC and Generalized Constructions.
CT-RSA
Tetsu Iwata, Virginie Lallemand, Gregor Leander, Yu Sasaki
2019 J jnl
ZOCB and ZOTR: Tweakable Blockcipher Modes for Authenticated Encryption with Full Absorption.
IACR Cryptol. ePrint Arch.
Zhenzhen Bao, Jian Guo, Tetsu Iwata, Kazuhiko Minematsu
2019 J jnl
ZOCB and ZOTR: Tweakable Blockcipher Modes for Authenticated Encryption with Full Absorption.
IACR Trans. Symmetric Cryptol.
Zhenzhen Bao, Jian Guo, Tetsu Iwata, Kazuhiko Minematsu
2018 J jnl
Cryptanalysis of AES-PRF and Its Dual.
IACR Trans. Symmetric Cryptol.
Patrick Derbez, Tetsu Iwata, Ling Sun, Siwei Sun, Yosuke Todo, Haoyang Wang, Meiqin Wang
2018 J jnl
Integrity analysis of authenticated encryption based on stream ciphers.
Int. J. Inf. Sec.
Kazuya Imamura, Kazuhiko Minematsu, Tetsu Iwata
2018 J jnl
On the Design Rationale of SIMON Block Cipher: Integral Attacks and Impossible Differential Attacks against SIMON Variants.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kota Kondo, Yu Sasaki, Yosuke Todo, Tetsu Iwata
2018 J jnl
Plaintext Recovery Attack of OCB2.
IACR Cryptol. ePrint Arch.
Tetsu Iwata
2018 Misc ed.
Progress in Cryptology - INDOCRYPT 2018 - 19th International Conference on Cryptology in India, New Delhi, India, December 9-12, 2018, Proceedings
INDOCRYPT
Debrup Chakraborty, Tetsu Iwata
2018 J jnl
Quantum Chosen-Ciphertext Attacks against Feistel Ciphers.
IACR Cryptol. ePrint Arch.
Gembu Ito, Akinori Hosoyamada, Ryutaroh Matsumoto, Yu Sasaki, Tetsu Iwata
2018 J jnl
Symmetric Cryptography (Dagstuhl Seminar 18021).
Dagstuhl Reports
Joan Daemen, Tetsu Iwata, Nils Gregor Leander, Kaisa Nyberg
2018 J jnl
Universal Forgery and Multiple Forgeries of MergeMAC and Generalized Constructions.
IACR Cryptol. ePrint Arch.
Tetsu Iwata, Virginie Lallemand, Gregor Leander, Yu Sasaki
2017 Misc conf
Analyzing Key Schedule of Simon: Iterative Key Differences and Application to Related-Key Impossible Differentials.
IWSEC
Kota Kondo, Yu Sasaki, Yosuke Todo, Tetsu Iwata
2017 A conf
Blockcipher-Based Authenticated Encryption: How Small Can We Go?
CHES
Avik Chakraborti, Tetsu Iwata, Kazuhiko Minematsu, Mridul Nandi
2017 J jnl
Blockcipher-based Authenticated Encryption: How Small Can We Go?
IACR Cryptol. ePrint Arch.
Avik Chakraborti, Tetsu Iwata, Kazuhiko Minematsu, Mridul Nandi
2017 J jnl
Cryptanalysis of PMACx, PMAC2x, and SIVx.
IACR Cryptol. ePrint Arch.
Kazuhiko Minematsu, Tetsu Iwata
2017 J jnl
Cryptanalysis of PMACx, PMAC2x, and SIVx.
IACR Trans. Symmetric Cryptol.
Kazuhiko Minematsu, Tetsu Iwata
2017 J jnl
On the Security of Non-Interactive Key Exchange against Related-Key Attacks.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiraku Morita, Jacob C. N. Schuldt, Takahiro Matsuda, Goichiro Hanaoka, Tetsu Iwata
2017 J jnl
On the Security of Schnorr Signatures, DSA, and ElGamal Signatures against Related-Key Attacks.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiraku Morita, Jacob C. N. Schuldt, Takahiro Matsuda, Goichiro Hanaoka, Tetsu Iwata
2017 J jnl
Reconsidering the Security Bound of AES-GCM-SIV.
IACR Cryptol. ePrint Arch.
Tetsu Iwata, Yannick Seurin
2017 J jnl
Reconsidering the Security Bound of AES-GCM-SIV.
IACR Trans. Symmetric Cryptol.
Tetsu Iwata, Yannick Seurin
2017 — conf
ZMAC: A Fast Tweakable Block Cipher Mode for Highly Secure Message Authentication.
CRYPTO (3)
Tetsu Iwata, Kazuhiko Minematsu, Thomas Peyrin, Yannick Seurin
2017 J jnl
ZMAC: A Fast Tweakable Block Cipher Mode for Highly Secure Message Authentication.
IACR Cryptol. ePrint Arch.
Tetsu Iwata, Kazuhiko Minematsu, Thomas Peyrin, Yannick Seurin
2016 J jnl
CENC is Optimally Secure.
IACR Cryptol. ePrint Arch.
Tetsu Iwata, Bart Mennink, Damian Vizár
2016 C conf
Integrity Analysis of Authenticated Encryption Based on Stream Ciphers.
ProvSec
Kazuya Imamura, Kazuhiko Minematsu, Tetsu Iwata
2016 J jnl
Integrity Analysis of Authenticated Encryption Based on Stream Ciphers.
IACR Cryptol. ePrint Arch.
Kazuya Imamura, Kazuhiko Minematsu, Tetsu Iwata
2016 J jnl
On the Design Rationale of SIMON Block Cipher: Integral Attacks and Impossible Differential Attacks against SIMON Variants.
IACR Cryptol. ePrint Arch.
Kota Kondo, Yu Sasaki, Tetsu Iwata
2016 B conf
On the Design Rationale of Simon Block Cipher: Integral Attacks and Impossible Differential Attacks against Simon Variants.
ACNS
Kota Kondo, Yu Sasaki, Tetsu Iwata
2016 J jnl
Stronger Security Variants of GCM-SIV.
IACR Cryptol. ePrint Arch.
Tetsu Iwata, Kazuhiko Minematsu
2016 J jnl
Stronger Security Variants of GCM-SIV.
IACR Trans. Symmetric Cryptol.
Tetsu Iwata, Kazuhiko Minematsu
2016 J jnl
Symmetric Cryptography (Dagstuhl Seminar 16021).
Dagstuhl Reports
Frederik Armknecht, Tetsu Iwata, Kaisa Nyberg, Bart Preneel
2015 — ed.
Advances in Cryptology - ASIACRYPT 2015 - 21st International Conference on the Theory and Application of Cryptology and Information Security, Auckland, New Zealand, November 29 - December 3, 2015, Proceedings, Part I
ASIACRYPT (1)
Tetsu Iwata, Jung Hee Cheon
2015 — ed.
Advances in Cryptology - ASIACRYPT 2015 - 21st International Conference on the Theory and Application of Cryptology and Information Security, Auckland, New Zealand, November 29 - December 3, 2015, Proceedings, Part II
ASIACRYPT (2)
Tetsu Iwata, Jung Hee Cheon
2015 A* conf
GCM Security Bounds Reconsidered.
FSE
Yuichi Niwa, Keisuke Ohashi, Kazuhiko Minematsu, Tetsu Iwata
2015 J jnl
GCM Security Bounds Reconsidered.
IACR Cryptol. ePrint Arch.
Yuichi Niwa, Keisuke Ohashi, Kazuhiko Minematsu, Tetsu Iwata
2015 Misc conf
On the Security of the Schnorr Signature Scheme and DSA Against Related-Key Attacks.
ICISC
Hiraku Morita, Jacob C. N. Schuldt, Takahiro Matsuda, Goichiro Hanaoka, Tetsu Iwata
2015 J jnl
On the Security of the Schnorr Signature Scheme and DSA against Related-Key Attacks.
IACR Cryptol. ePrint Arch.
Hiraku Morita, Jacob C. N. Schuldt, Takahiro Matsuda, Goichiro Hanaoka, Tetsu Iwata
2015 J jnl
Optimality of Tweak Functions in CLOC.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hayato Kobayashi, Kazuhiko Minematsu, Tetsu Iwata
2015 C conf
Tweak-Length Extension for Tweakable Blockciphers.
IMACC
Kazuhiko Minematsu, Tetsu Iwata
2015 J jnl
Tweak-Length Extension for Tweakable Blockciphers.
IACR Cryptol. ePrint Arch.
Kazuhiko Minematsu, Tetsu Iwata
2014 — ed.
Advances in Cryptology - ASIACRYPT 2014 - 20th International Conference on the Theory and Application of Cryptology and Information Security, Kaoshiung, Taiwan, R.O.C., December 7-11, 2014, Proceedings, Part II
ASIACRYPT (2)
Palash Sarkar, Tetsu Iwata
2014 — ed.
Advances in Cryptology - ASIACRYPT 2014 - 20th International Conference on the Theory and Application of Cryptology and Information Security, Kaoshiung, Taiwan, R.O.C., December 7-11, 2014. Proceedings, Part I
ASIACRYPT (1)
Palash Sarkar, Tetsu Iwata
2014 A* conf
CLOC: Authenticated Encryption for Short Input.
FSE
Tetsu Iwata, Kazuhiko Minematsu, Jian Guo, Sumio Morioka
2014 J jnl
CLOC: Authenticated Encryption for Short Input.
IACR Cryptol. ePrint Arch.
Tetsu Iwata, Kazuhiko Minematsu, Jian Guo, Sumio Morioka
2014 J jnl
Cryptanalysis of 249-, 250-, ..., 256-Bit Key HyRAL via Equivalent Keys.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yuki Asano, Shingo Yanagihara, Tetsu Iwata
2014 A* conf
Impact of ANSI X9.24-1: 2009 Key Check Value on ISO/IEC 9797-1: 2011 MACs.
FSE
Tetsu Iwata, Lei Wang
2014 J jnl
Impact of ANSI X9.24-1: 2009 Key Check Value on ISO/IEC 9797-1: 2011 MACs.
IACR Cryptol. ePrint Arch.
Tetsu Iwata, Lei Wang
2014 J jnl
Symmetric Cryptography (Dagstuhl Seminar 14021).
Dagstuhl Reports
Frederik Armknecht, Helena Handschuh, Tetsu Iwata, Bart Preneel
2014 J jnl
Type 1.x Generalized Feistel Structures.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shingo Yanagihara, Tetsu Iwata
2013 A* conf
Attacks and Security Proofs of EAX-Prime.
FSE
Kazuhiko Minematsu, Stefan Lucks, Hiraku Morita, Tetsu Iwata
2013 C conf
Improved Authenticity Bound of EAX, and Refinements.
ProvSec
Kazuhiko Minematsu, Stefan Lucks, Tetsu Iwata
2013 J jnl
Improved Authenticity Bound of EAX, and Refinements.
IACR Cryptol. ePrint Arch.
Kazuhiko Minematsu, Stefan Lucks, Tetsu Iwata
2013 J jnl
Improving the Permutation Layer of Type 1, Type 3, Source-Heavy, and Target-Heavy Generalized Feistel Structures.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shingo Yanagihara, Tetsu Iwata
2013 J jnl
Security of Hash-then-CBC Key Wrapping Revisited.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yasushi Osaki, Tetsu Iwata
2012 A* conf
Breaking and Repairing GCM Security Proofs.
CRYPTO
Tetsu Iwata, Keisuke Ohashi, Kazuhiko Minematsu
2012 J jnl
Breaking and Repairing GCM Security Proofs.
IACR Cryptol. ePrint Arch.
Tetsu Iwata, Keisuke Ohashi, Kazuhiko Minematsu
2012 B conf
Cryptanalysis of 256-Bit Key HyRAL via Equivalent Keys.
ACNS
Yuki Asano, Shingo Yanagihara, Tetsu Iwata
2012 J jnl
Cryptanalysis of EAXprime.
IACR Cryptol. ePrint Arch.
Kazuhiko Minematsu, Hiraku Morita, Tetsu Iwata
2012 J jnl
Further More on Key Wrapping.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yasushi Osaki, Tetsu Iwata
2011 Misc ed.
Advances in Information and Computer Security - 6th International Workshop, IWSEC 2011, Tokyo, Japan, November 8-10, 2011. Proceedings
IWSEC
Tetsu Iwata, Masakatsu Nishigaki
2011 C conf
Building Blockcipher from Tweakable Blockcipher: Extending FSE 2009 Proposal.
IMACC
Kazuhiko Minematsu, Tetsu Iwata
2011 B conf
On Permutation Layer of Type 1, Source-Heavy, and Target-Heavy Generalized Feistel Structures.
CANS
Shingo Yanagihara, Tetsu Iwata
2011 C conf
Security of Hash-then-CBC Key Wrapping Revisited.
IMACC
Yasushi Osaki, Tetsu Iwata
2010 A* ed.
Fast Software Encryption, 17th International Workshop, FSE 2010, Seoul, Korea, February 7-10, 2010, Revised Selected Papers
FSE
Seokhie Hong, Tetsu Iwata
2010 J jnl
MPP Characteristics of Variants of Merkle-Damgård Iterated Hash Functions.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shungo Nakamura, Tetsu Iwata
2010 J jnl
Tweakable Pseudorandom Permutation from Generalized Feistel Structure.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Atsushi Mitsuda, Tetsu Iwata
2009 B conf
BTM: A Single-Key, Inverse-Cipher-Free Mode for Deterministic Authenticated Encryption.
Selected Areas in Cryptography
Tetsu Iwata, Kan Yasuda
2009 A* conf
HBS: A Single-Key Mode of Operation for Deterministic Authenticated Encryption.
FSE
Tetsu Iwata, Kan Yasuda
2008 — conf
Authenticated Encryption Mode for Beyond the Birthday Bound Security.
AFRICACRYPT
Tetsu Iwata
2008 B conf
Bounds on Fixed Input/Output Length Post-processing Functions for Biased Physical Random Number Generators.
Selected Areas in Cryptography
Kyohei Suzuki, Tetsu Iwata
2008 J jnl
Security of the Five-Round Kasumi Type Permutation.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Tetsu Iwata, Tohru Yagi, Kaoru Kurosawa
2008 C conf
Tweakable Pseudorandom Permutation from Generalized Feistel Structure.
ProvSec
Atsushi Mitsuda, Tetsu Iwata
2007 J jnl
How to Construct Super-Pseudorandom Permutations with Short Keys.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Tetsu Iwata, Kaoru Kurosawa
2007 A* conf
The 128-Bit Blockcipher CLEFIA (Extended Abstract).
FSE
Taizo Shirai, Kyoji Shibutani, Toru Akishita, Shiho Moriai, Tetsu Iwata
2007 — conf
Tightness of the Security Bound of CENC.
Symmetric Cryptography
Tetsu Iwata
2006 A* conf
New Blockcipher Modes of Operation with Beyond the Birthday Bound Security.
FSE
Tetsu Iwata
2006 J jnl
New Blockcipher Modes of Operation with Beyond the Birthday Bound Security.
IACR Cryptol. ePrint Arch.
Tetsu Iwata
2006 J jnl
Side Channel Attacks on Message Authentication Codes.
Inf. Media Technol.
Katsuyuki Okeya, Tetsu Iwata
2006 J jnl
The AES-CMAC Algorithm.
RFC
JunHyuk Song, Radha Poovendran, Jicheol Lee, Tetsu Iwata
2006 J jnl
The Advanced Encryption Standard-Cipher-based Message Authentication Code-Pseudo-Random Function-128 (AES-CMAC-PRF-128) Algorithm for the Internet Key Exchange Protocol (IKE).
RFC
JunHyuk Song, Radha Poovendran, Jicheol Lee, Tetsu Iwata
2005 A* conf
How to Enhance the Security of the 3GPP Confidentiality and Integrity Algorithms.
FSE
Tetsu Iwata, Kaoru Kurosawa
2005 J jnl
How to Improve Interpolation Attack.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kaoru Kurosawa, Tetsu Iwata, Quang Viet Duong
2005 J jnl
On the Security of a MAC by Mitchell.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Tetsu Iwata, Kaoru Kurosawa
2005 — conf
Side Channel Attacks on Message Authentication Codes.
ESAS
Katsuyuki Okeya, Tetsu Iwata
2004 Misc conf
How to Re-use Round Function in Super-Pseudorandom Permutation.
ACISP
Tetsu Iwata, Kaoru Kurosawa
2004 A* conf
New Security Proofs for the 3GPP Confidentiality and Integrity Algorithms.
FSE
Tetsu Iwata, Tadayoshi Kohno
2004 J jnl
New Security Proofs for the 3GPP Confidentiality and Integrity Algorithms.
IACR Cryptol. ePrint Arch.
Tetsu Iwata, Tadayoshi Kohno
2004 J jnl
New covering radius of Reed-Muller codes for t-resilient functions.
IEEE Trans. Inf. Theory
Kaoru Kurosawa, Tetsu Iwata, Takayuki Yoshiwara
2004 J jnl
On the Universal Hash Functions in Luby-Rackoff Cipher.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Tetsu Iwata, Kaoru Kurosawa
2004 J jnl
TMAC: Two-Key CBC MAC.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kaoru Kurosawa, Tetsu Iwata
2003 J jnl
Inclusion Relations of Boolean Functions Satisfying PC(
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Tetsu Iwata, Kaoru Kurosawa
2003 J jnl
Non-cryptographic primitive for pseudorandom permutation.
Theor. Comput. Sci.
Tetsu Iwata, Tomonobu Yoshino, Kaoru Kurosawa
2003 A* conf
OMAC: One-Key CBC MAC.
FSE
Tetsu Iwata, Kaoru Kurosawa
2003 C conf
On the Correctness of Security Proofs for the 3GPP Confidentiality and Integrity Algorithms.
IMACC
Tetsu Iwata, Kaoru Kurosawa
2003 Misc conf
On the Pseudorandomness of KASUMI Type Permutations.
ACISP
Tetsu Iwata, Tohru Yagi, Kaoru Kurosawa
2003 J jnl
On the Pseudorandomness of KASUMI Type Permutations.
IACR Cryptol. ePrint Arch.
Tetsu Iwata, Tohru Yagi, Kaoru Kurosawa
2003 Misc conf
On the Security of a New Variant of OMAC.
ICISC
Tetsu Iwata, Kaoru Kurosawa
2003 J jnl
Stronger Security Bounds for OMAC, TMAC and XCBC.
IACR Cryptol. ePrint Arch.
Tetsu Iwata, Kaoru Kurosawa
2003 Misc conf
Stronger Security Bounds for OMAC, TMAC, and XCBC.
INDOCRYPT
Tetsu Iwata, Kaoru Kurosawa
2003 B conf
TMAC: Two-Key CBC MAC.
CT-RSA
Kaoru Kurosawa, Tetsu Iwata
2002 J jnl
New covering radius of Reed-Muller codes for t-resilient functions.
IACR Cryptol. ePrint Arch.
Kaoru Kurosawa, Tetsu Iwata, Takayuki Yoshiwara
2002 A* conf
Non-cryptographic Primitive for Pseudorandom Permutation.
FSE
Tetsu Iwata, Tomonobu Yoshino, Kaoru Kurosawa
2002 J jnl
OMAC: One-Key CBC MAC.
IACR Cryptol. ePrint Arch.
Tetsu Iwata, Kaoru Kurosawa
2002 Misc conf
On the Universal Hash Functionsin Luby-Rackoff Cipher.
ICISC
Tetsu Iwata, Kaoru Kurosawa
2002 J jnl
Round Security and Super-Pseudorandomness of MISTY Type Structure.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Tetsu Iwata, Tomonobu Yoshino, Tomohiro Yuasa, Kaoru Kurosawa
2002 J jnl
TMAC: Two-Key CBC MAC.
IACR Cryptol. ePrint Arch.
Kaoru Kurosawa, Tetsu Iwata
2001 B conf
New Covering Radius of Reed-Muller Codes for t-Resilient Functions.
Selected Areas in Cryptography
Tetsu Iwata, Takayuki Yoshiwara, Kaoru Kurosawa
2001 A* conf
Round Security and Super-Pseudorandomness of MISTY Type Structure.
FSE
Tetsu Iwata, Tomonobu Yoshino, Tomohiro Yuasa, Kaoru Kurosawa
2000 A* conf
On the Pseudorandomness of the AES Finalists - RC6 and Serpent.
FSE
Tetsu Iwata, Kaoru Kurosawa
2000 B conf
Root Finding Interpolation Attack.
Selected Areas in Cryptography
Kaoru Kurosawa, Tetsu Iwata, Quang Viet Duong
1999 A conf
On Cryptographically Secure Vectorial Boolean Functions.
ASIACRYPT
Takashi Satoh, Tetsu Iwata, Kaoru Kurosawa
1999 A conf
Probabilistic Higher Order Differential Attack and Higher Order Bent Functions.
ASIACRYPT
Tetsu Iwata, Kaoru Kurosawa
1998 C conf
Inclusion Relations of Boolean Functions Satisfying PC(l) of Order k.
SETA
Tetsu Iwata, Kaoru Kurosawa