Tetsu Iwata

发表

Symmetric Cryptography (Dagstuhl Seminar 14021)

Frederik Armknecht, Bart Preneel, Helena Handschuh, 2014, Dagstuhl Reports.

On Permutation Layer of Type 1, Source-Heavy, and Target-Heavy Generalized Feistel Structures

Tetsu Iwata, Shingo Yanagihara, Tetsu Iwata, 2011, CANS.

On the Security of Schnorr Signatures, DSA, and ElGamal Signatures against Related-Key Attacks

Jacob C. N. Schuldt, Goichiro Hanaoka, Tetsu Iwata, 2017, IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences.

Stronger Security Bounds for OMAC, TMAC, and XCBC

Kaoru Kurosawa, Tetsu Iwata, K. Kurosawa, 2003, INDOCRYPT.

Reconsidering the Security Bound of AES-GCM-SIV

Yannick Seurin, Tetsu Iwata, Y. Seurin, 2017, IACR Trans. Symmetric Cryptol..

Breaking and Repairing GCM Security Proofs

Tetsu Iwata, Kazuhiko Minematsu, Keisuke Ohashi, 2012, IACR Cryptol. ePrint Arch..

Cryptanalysis of EAXprime

Tetsu Iwata, Hiraku Morita, Kazuhiko Minematsu, 2012, IACR Cryptol. ePrint Arch..

How to Enhance the Security of the 3GPP Confidentiality and Integrity Algorithms

Kaoru Kurosawa, Tetsu Iwata, 2005, FSE.

Provably Quantum-Secure Tweakable Block Ciphers

Tetsu Iwata, Akinori Hosoyamada, Tetsu Iwata, 2020, IACR Cryptol. ePrint Arch..

Quantum Chosen-Ciphertext Attacks against Feistel Ciphers

Yu Sasaki, Tetsu Iwata, Ryutaroh Matsumoto, 2019, IACR Cryptol. ePrint Arch..

Building Blockcipher from Tweakable Blockcipher: Extending FSE 2009 Proposal

Tetsu Iwata, Kazuhiko Minematsu, Kazuhiko Minematsu, 2011, IMACC.

Type 1.x Generalized Feistel Structures

Tetsu Iwata, Shingo Yanagihara, Tetsu Iwata, 2014, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

BTM: A Single-Key, Inverse-Cipher-Free Mode for Deterministic Authenticated Encryption

Kan Yasuda, Tetsu Iwata, Tetsu Iwata, 2009, Selected Areas in Cryptography.

New Blockcipher Modes of Operation with Beyond the Birthday Bound Security

Tetsu Iwata, Tetsu Iwata, 2006, FSE.

On Cryptographically Secure Vectorial Boolean Functions

Kaoru Kurosawa, Tetsu Iwata, Takashi Satoh, 1999, ASIACRYPT.

Advances in Cryptology – ASIACRYPT 2015

Jung Hee Cheon, Tetsu Iwata, 2014, Lecture Notes in Computer Science.

ZMAC: A Fast Tweakable Block Cipher Mode for Highly Secure Message Authentication

Thomas Peyrin, Yannick Seurin, Tetsu Iwata, 2017, CRYPTO.

Cryptanalysis of AES-PRF and Its Dual

Yosuke Todo, Meiqin Wang, Tetsu Iwata, 2018, IACR Trans. Symmetric Cryptol..

On the Pseudorandomness of KASUMI Type Permutations

Kaoru Kurosawa, Tetsu Iwata, Tohru Yagi, 2003, ACISP.

Tight Quantum Security Bound of the 4-Round Luby-Rackoff Construction

Tetsu Iwata, Akinori Hosoyamada, Tetsu Iwata, 2019, IACR Cryptol. ePrint Arch..

Iterative Block Ciphers from Tweakable Block Ciphers with Long Tweaks

Tetsu Iwata, Ryota Nakamichi, 2020 .

On The Security of Two New OMAC Variants

Kaoru Kurosawa, Tetsu Iwata, 2003 .

New covering radius of Reed-Muller codes for t-resilient functions

Kaoru Kurosawa, Tetsu Iwata, Takayuki Yoshiwara, 2004, IEEE Transactions on Information Theory.

Analyzing Key Schedule of Simon: Iterative Key Differences and Application to Related-Key Impossible Differentials

Yu Sasaki, Yosuke Todo, Tetsu Iwata, 2017, IWSEC.

Inclusion Relations of Boolean Functions Satisfying PC(l) of Order k

Kaoru Kurosawa, Tetsu Iwata, K. Kurosawa, 1998, SETA.

Integrity Analysis of Authenticated Encryption Based on Stream Ciphers

Tetsu Iwata, Kazuhiko Minematsu, Kazuya Imamura, 2016, ProvSec.

Blockcipher-Based Authenticated Encryption: How Small Can We Go?

Tetsu Iwata, Avik Chakraborti, Mridul Nandi, 2017, CHES.

On the Security of a New Variant of OMAC

Kaoru Kurosawa, Tetsu Iwata, 2003, ICISC.

Improving the Permutation Layer of Type 1, Type 3, Source-Heavy, and Target-Heavy Generalized Feistel Structures

Tetsu Iwata, Shingo Yanagihara, Tetsu Iwata, 2013, IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences.

GCM Security Bounds Reconsidered

Tetsu Iwata, Kazuhiko Minematsu, Keisuke Ohashi, 2015, FSE.

Universal Forgery and Multiple Forgeries of MergeMAC and Generalized Constructions

Yu Sasaki, Tetsu Iwata, Gregor Leander, 2019, IACR Cryptol. ePrint Arch..

On the Universal Hash Functions in Luby-Rackoff Cipher

Kaoru Kurosawa, Tetsu Iwata, 2004, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

HBS: A Single-Key Mode of Operation for Deterministic Authenticated Encryption

Kan Yasuda, Tetsu Iwata, Tetsu Iwata, 2009, FSE.

Advances in Cryptology – ASIACRYPT 2014

Tetsu Iwata, Palash Sarkar, 2014, Lecture Notes in Computer Science.

How to Construct Super-Pseudorandom Permutations with Short Keys

Kaoru Kurosawa, Tetsu Iwata, 2007, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

How to Improve Interpolation Attack

Kaoru Kurosawa, Tetsu Iwata, Quang Viet Duong, 2005, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Indifferentiability of SKINNY-HASH Internal Functions

Tetsu Iwata, Akinori Hosoyamada, Tetsu Iwata, 2020, IACR Cryptol. ePrint Arch..

Tightness of the Security Bound of CENC

Tetsu Iwata, Tetsu Iwata, 2007, Symmetric Cryptography.

Proceedings of the 17th international conference on Fast software encryption

Seokhie Hong, Tetsu Iwata, 2010 .

Duel of the Titans: The Romulus and Remus Families of Lightweight AEAD Algorithms

Thomas Peyrin, Tetsu Iwata, Kazuhiko Minematsu, 2020 .

MPP Characteristics of Variants of Merkle-Damgård Iterated Hash Functions

Tetsu Iwata, Shungo Nakamura, 2010, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Improved Authenticity Bound of EAX, and Refinements

Tetsu Iwata, Stefan Lucks, Kazuhiko Minematsu, 2013, ProvSec.

4-Round Luby-Rackoff Construction is a qPRP

Tetsu Iwata, Akinori Hosoyamada, Tetsu Iwata, 2019, ASIACRYPT.

Advances in Cryptology -- ASIACRYPT 2015

Jung Hee Cheon, Tetsu Iwata, 2015, Lecture Notes in Computer Science.

On the Diffusion Property of Type 1 Generalized Feistel Cipher with Multi-input Multi-output Non-linear Functions

Tetsu Iwata, Shingo Yanagihara, Keisuke Itou, 2014 .

The AES-CMAC Algorithm

Radha Poovendran, Tetsu Iwata, Jicheol Lee, 2006, RFC.

Proceedings of the 6th International conference on Advances in information and computer security

Masakatsu Nishigaki, Tetsu Iwata, 2011, IWSEC 2011.

Progress in Cryptology – INDOCRYPT 2018

Tetsu Iwata, Debrup Chakraborty, Tetsu Iwata, 2018, Lecture Notes in Computer Science.

New covering radius of Reed-Muller codes for t-resilient functions

Kaoru Kurosawa, Tetsu Iwata, Takayuki Yoshiwara, 2004, IEEE Trans. Inf. Theory.

Bounds on Fixed Input/Output Length Post-processing Functions for Biased Physical Random Number Generators

Tetsu Iwata, Kyohei Suzuki, Tetsu Iwata, 2009, Selected Areas in Cryptography.

Side Channel Attacks on Message Authentication Codes

Tetsu Iwata, Katsuyuki Okeya, 2006 .

Authenticated Encryption Mode for Beyond the Birthday Bound Security

Tetsu Iwata, Tetsu Iwata, 2008, AFRICACRYPT.

Beyond-Birthday-Bound Secure Cryptographic Permutations from Ideal Ciphers with Long Keys

Tetsu Iwata, Ryota Nakamichi, Tetsu Iwata, 2020, IACR Trans. Symmetric Cryptol..

Cryptanalysis of PMACx, PMAC2x, and SIVx

Tetsu Iwata, Kazuhiko Minematsu, 2017, IACR Trans. Symmetric Cryptol..

Stronger Security Variants of GCM-SIV

Tetsu Iwata, Kazuhiko Minematsu, Kazuhiko Minematsu, 2016, IACR Trans. Symmetric Cryptol..

New Security Proofs for the 3GPP Confidentiality and Integrity Algorithms

Tetsu Iwata, Tadayoshi Kohno, 2004, FSE.

Gift-cofb

Thomas Peyrin, Yu Sasaki, Yosuke Todo, 2020, IACR Cryptol. ePrint Arch..

ZOCB and ZOTR: Tweakable Blockcipher Modes for Authenticated Encryption with Full Absorption

Tetsu Iwata, Kazuhiko Minematsu, Jian Guo, 2019, IACR Cryptol. ePrint Arch..

On the Design Rationale of Simon Block Cipher: Integral Attacks and Impossible Differential Attacks against Simon Variants

Yu Sasaki, Tetsu Iwata, Kota Kondo, 2016, ACNS.

Cryptanalysis of 249-, 250-, ..., 256-Bit Key HyRAL via Equivalent Keys

Tetsu Iwata, Shingo Yanagihara, Yuki Asano, 2014, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Impact of ANSI X9.24-1: 2009 Key Check Value on ISO/IEC 9797-1: 2011 MACs

Lei Wang, Tetsu Iwata, Tetsu Iwata, 2014, FSE.

Tweakable Pseudorandom Permutation from Generalized Feistel Structure

Tetsu Iwata, Atsushi Mitsuda, Tetsu Iwata, 2008, ProvSec.

Quantum Attacks Against Type-1 Generalized Feistel Ciphers and Applications to CAST-256

Tetsu Iwata, Xiaoyang Dong, Gembu Ito, 2019, INDOCRYPT.

OMAC: One-Key CBC MAC — Addendum

Kaoru Kurosawa, Tetsu Iwata, 2003 .

Security of Hash-then-CBC Key Wrapping Revisited

Tetsu Iwata, Yasushi Osaki, 2013 .

Symmetric Cryptography (Dagstuhl Seminar 18021)

Tetsu Iwata, Joan Daemen, Gregor Leander, 2018, Dagstuhl Reports.

Probabilistic Higher Order Differential Attack and Higher Order Bent Functions

Kaoru Kurosawa, Tetsu Iwata, K. Kurosawa, 1999, ASIACRYPT.

Round Security and Super-Pseudorandomness of MISTY Type Structure

Kaoru Kurosawa, Tetsu Iwata, Tomonobu Yoshino, 2001, FSE.

How to Re-use Round Function in Super-Pseudorandom Permutation

Kaoru Kurosawa, Tetsu Iwata, K. Kurosawa, 2004, ACISP.

Quantum Distinguishing Attacks against Type-1 Generalized Feistel Ciphers

Tetsu Iwata, Gembu Ito, Tetsu Iwata, 2019, IACR Cryptol. ePrint Arch..

Non-cryptographic primitive for pseudorandom permutation

Kaoru Kurosawa, Tetsu Iwata, Tomonobu Yoshino, 2003, Theor. Comput. Sci..

Optimality of Tweak Functions in CLOC

Tetsu Iwata, Kazuhiko Minematsu, Hayato Kobayashi, 2015, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

On the Security of the Schnorr Signature Scheme and DSA Against Related-Key Attacks

Jacob C. N. Schuldt, Goichiro Hanaoka, Tetsu Iwata, 2015, ICISC.

Advances in cryptology - ASIACRYPT 2014 : 20th International Conference on the Theory and Application of Cryptology and Information Security, Kaoshiung, Taiwan, December 7-11, 2014 : proceedings

Tetsu Iwata, Palash Sarkar, 2014 .

Attacks and Security Proofs of EAX-Prime

Tetsu Iwata, Stefan Lucks, Hiraku Morita, 2013, FSE.

CENC is Optimally Secure

Bart Mennink, Tetsu Iwata, Damian Vizár, 2016, IACR Cryptol. ePrint Arch..

Further More on Key Wrapping

Tetsu Iwata, Yasushi Osaki, 2012, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Plaintext Recovery Attack of OCB2

Tetsu Iwata, Tetsu Iwata, 2018, IACR Cryptol. ePrint Arch..

On the Security of Non-Interactive Key Exchange against Related-Key Attacks

Jacob C. N. Schuldt, Goichiro Hanaoka, Tetsu Iwata, 2017, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Tweak-Length Extension for Tweakable Blockciphers

Tetsu Iwata, Kazuhiko Minematsu, Kazuhiko Minematsu, 2015, IMACC.

Root Finding Interpolation Attack

Kaoru Kurosawa, Tetsu Iwata, Quang Viet Duong, 2000, Selected Areas in Cryptography.

Non-cryptographic Primitive for Pseudorandom Permutation

Kaoru Kurosawa, Tetsu Iwata, Tomonobu Yoshino, 2002, FSE.

Cryptanalysis of 256-Bit Key HyRAL via Equivalent Keys

Tetsu Iwata, Shingo Yanagihara, Yuki Asano, 2012, ACNS.

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)

Radha Poovendran, Tetsu Iwata, Jicheol Lee, 2006, RFC.

AI-2-6 Authenticated Encryption and CAESAR

Tetsu Iwata, 2016 .

Duel of the Titans: The Romulus and Remus Families of Lightweight AEAD Algorithms

Thomas Peyrin, Tetsu Iwata, Kazuhiko Minematsu, 2020, IACR Cryptol. ePrint Arch..

Symmetric Cryptography (Dagstuhl Seminar 16021)

Frederik Armknecht, Bart Preneel, Tetsu Iwata, 2016, Dagstuhl Reports.

OMAC: One-Key CBC MAC

Kaoru Kurosawa, Tetsu Iwata, K. Kurosawa, 2003, IACR Cryptol. ePrint Arch..

On the Correctness of Security Proofs for the 3GPP Confidentiality and Integrity Algorithms

Kaoru Kurosawa, Tetsu Iwata, 2003, IMACC.

Iterative Block Ciphers from Tweakable Block Ciphers with Long Tweaks

Tetsu Iwata, Ryota Nakamichi, 2019, IACR Trans. Symmetric Cryptol..

TMAC: Two-Key CBC MAC

Kaoru Kurosawa, Tetsu Iwata, K. Kurosawa, 2003, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Report from Dagstuhl Seminar 18021 Symmetric Cryptography

Tetsu Iwata, Joan Daemen, Kaisa Nyberg, 2016 .

Side Channel Attacks on Message Authentication Codes

Tetsu Iwata, Katsuyuki Okeya, Tetsu Iwata, 2005, ESAS.

Security of Hash-then-CBC Key Wrapping Revisited

Tetsu Iwata, Yasushi Osaki, 2011, IMACC.

Security of the Five-Round Kasumi Type Permutation

Kaoru Kurosawa, Tetsu Iwata, Tohru Yagi, 2008, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

On the Pseudorandomness of the AES Finalists - RC6 and Serpent

Kaoru Kurosawa, Tetsu Iwata, K. Kurosawa, 2000, FSE.

On the Security of a MAC by Mitchell

Kaoru Kurosawa, Tetsu Iwata, 2005, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

The 128-Bit Blockcipher CLEFIA (Extended Abstract)

Kyoji Shibutani, Tetsu Iwata, Shiho Moriai, 2007, FSE.

Cryptanalysis of OCB2: Attacks on Authenticity and Confidentiality

Tetsu Iwata, Kazuhiko Minematsu, Bertram Poettering, 2020, Journal of Cryptology.

Integrity analysis of authenticated encryption based on stream ciphers

Tetsu Iwata, Kazuhiko Minematsu, Kazuya Imamura, 2016, International Journal of Information Security.

CLOC: Authenticated Encryption for Short Input

Tetsu Iwata, Kazuhiko Minematsu, Jian Guo, 2014, FSE.

Blockcipher-Based Authenticated Encryption: How Small Can We Go?

Tetsu Iwata, Avik Chakraborti, Mridul Nandi, 2017, Journal of Cryptology.

New Indifferentiability Security Proof of MDPH Hash Function

Tetsu Iwata, Kazuhiko Minematsu, Chun Guo, 2022, IACR Cryptol. ePrint Arch..

On the (im)possibility of improving the round diffusion of generalized Feistel structures

Kyoji Shibutani, Tetsu Iwata, 2022, Inf. Process. Lett..

Analyzing the Provable Security Bounds of GIFT-COFB and Photon-Beetle

Tetsu Iwata, Kazuhiko Minematsu, Akiko Inoue, 2022, IACR Cryptol. ePrint Arch..

Quantum attacks on Sum of Even-Mansour pseudorandom functions

Tetsu Iwata, Kazuo Shinagawa, 2022, Inf. Process. Lett..

On Tight Quantum Security of HMAC and NMAC in the Quantum Random Oracle Model

Tetsu Iwata, Akinori Hosoyamada, Tetsu Iwata, 2021, IACR Cryptol. ePrint Arch..

Cryptanalysis of OCB2: Attacks on Authenticity and Confidentiality

Tetsu Iwata, Kazuhiko Minematsu, Bertram Poettering, 2020, Journal of Cryptology.