Inclusion Relations of Boolean Functions Satisfying PC(l) of Order k. - Tetsu Iwata; Kaoru Kurosawa (SETA, 1998)

Probabilistic Higher Order Differential Attack and Higher Order Bent Functions. - Tetsu Iwata; Kaoru Kurosawa (ASIACRYPT, 1999)

On Cryptographically Secure Vectorial Boolean Functions. - Takashi Satoh; Tetsu Iwata; Kaoru Kurosawa (ASIACRYPT, 1999)

On the Pseudorandomness of the AES Finalists - RC6 and Serpent. - Tetsu Iwata; Kaoru Kurosawa (FSE, 2000)

Root Finding Interpolation Attack. - Kaoru Kurosawa; Tetsu Iwata; Quang Viet Duong (Selected Areas in Cryptography, 2000)

On the Universal Hash Functionsin Luby-Rackoff Cipher. - Tetsu Iwata; Kaoru Kurosawa (ICISC, 2002)

OMAC: One-Key CBC MAC. - Tetsu Iwata; Kaoru Kurosawa (IACR Cryptol. ePrint Arch., 2002)

Round Security and Super-Pseudorandomness of MISTY Type Structure. - Tetsu Iwata; Tomonobu Yoshino; Tomohiro Yuasa; Kaoru Kurosawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

On the Security of a New Variant of OMAC. - Tetsu Iwata; Kaoru Kurosawa (ICISC, 2003)

On the Correctness of Security Proofs for the 3GPP Confidentiality and Integrity Algorithms. - Tetsu Iwata; Kaoru Kurosawa (IMACC, 2003)

Stronger Security Bounds for OMAC, TMAC and XCBC. - Tetsu Iwata; Kaoru Kurosawa (IACR Cryptol. ePrint Arch., 2003)

On the Pseudorandomness of KASUMI Type Permutations. - Tetsu Iwata; Tohru Yagi; Kaoru Kurosawa (IACR Cryptol. ePrint Arch., 2003)

Inclusion Relations of Boolean Functions Satisfying PC(l) of Order k. - Tetsu Iwata; Kaoru Kurosawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

Non-cryptographic primitive for pseudorandom permutation. - Tetsu Iwata; Tomonobu Yoshino; Kaoru Kurosawa (Theor. Comput. Sci., 2003)

How to Re-use Round Function in Super-Pseudorandom Permutation. - Tetsu Iwata; Kaoru Kurosawa (ACISP, 2004)

New Security Proofs for the 3GPP Confidentiality and Integrity Algorithms. - Tetsu Iwata; Tadayoshi Kohno (IACR Cryptol. ePrint Arch., 2004)

On the Universal Hash Functions in Luby-Rackoff Cipher. - Tetsu Iwata; Kaoru Kurosawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2004)

TMAC: Two-Key CBC MAC. - Kaoru Kurosawa; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2004)

New covering radius of Reed-Muller codes for t-resilient functions. - Kaoru Kurosawa; Tetsu Iwata; Takayuki Yoshiwara (IEEE Trans. Inf. Theory, 2004)

How to Enhance the Security of the 3GPP Confidentiality and Integrity Algorithms. - Tetsu Iwata; Kaoru Kurosawa (FSE, 2005)

On the Security of a MAC by Mitchell. - Tetsu Iwata; Kaoru Kurosawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

How to Improve Interpolation Attack. - Kaoru Kurosawa; Tetsu Iwata; Quang Viet Duong (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

New Blockcipher Modes of Operation with Beyond the Birthday Bound Security. - Tetsu Iwata (IACR Cryptol. ePrint Arch., 2006)

Side Channel Attacks on Message Authentication Codes. - Katsuyuki Okeya; Tetsu Iwata (Inf. Media Technol., 2006)

The AES-CMAC Algorithm. - JunHyuk Song; Radha Poovendran; Jicheol Lee; Tetsu Iwata (RFC, 2006)

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). - JunHyuk Song; Radha Poovendran; Jicheol Lee; Tetsu Iwata (RFC, 2006)

Tightness of the Security Bound of CENC. - Tetsu Iwata (Symmetric Cryptography, 2007)

The 128-Bit Blockcipher CLEFIA (Extended Abstract). - Taizo Shirai; Kyoji Shibutani; Toru Akishita; Shiho Moriai; Tetsu Iwata (FSE, 2007)

How to Construct Super-Pseudorandom Permutations with Short Keys. - Tetsu Iwata; Kaoru Kurosawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Authenticated Encryption Mode for Beyond the Birthday Bound Security. - Tetsu Iwata (AFRICACRYPT, 2008)

Bounds on Fixed Input/Output Length Post-processing Functions for Biased Physical Random Number Generators. - Kyohei Suzuki; Tetsu Iwata (Selected Areas in Cryptography, 2008)

Security of the Five-Round Kasumi Type Permutation. - Tetsu Iwata; Tohru Yagi; Kaoru Kurosawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

HBS: A Single-Key Mode of Operation for Deterministic Authenticated Encryption. - Tetsu Iwata; Kan Yasuda (FSE, 2009)

BTM: A Single-Key, Inverse-Cipher-Free Mode for Deterministic Authenticated Encryption. - Tetsu Iwata; Kan Yasuda (Selected Areas in Cryptography, 2009)

Tweakable Pseudorandom Permutation from Generalized Feistel Structure. - Atsushi Mitsuda; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

MPP Characteristics of Variants of Merkle-Damgård Iterated Hash Functions. - Shungo Nakamura; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

On Permutation Layer of Type 1, Source-Heavy, and Target-Heavy Generalized Feistel Structures. - Shingo Yanagihara; Tetsu Iwata (CANS, 2011)

Building Blockcipher from Tweakable Blockcipher: Extending FSE 2009 Proposal. - Kazuhiko Minematsu; Tetsu Iwata (IMACC, 2011)

Cryptanalysis of 256-Bit Key HyRAL via Equivalent Keys. - Yuki Asano; Shingo Yanagihara; Tetsu Iwata (ACNS, 2012)

Breaking and Repairing GCM Security Proofs. - Tetsu Iwata; Keisuke Ohashi; Kazuhiko Minematsu (IACR Cryptol. ePrint Arch., 2012)

Cryptanalysis of EAXprime. - Kazuhiko Minematsu; Hiraku Morita; Tetsu Iwata (IACR Cryptol. ePrint Arch., 2012)

Further More on Key Wrapping. - Yasushi Osaki; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012)

Attacks and Security Proofs of EAX-Prime. - Kazuhiko Minematsu; Stefan Lucks; Hiraku Morita; Tetsu Iwata (FSE, 2013)

Improved Authenticity Bound of EAX, and Refinements. - Kazuhiko Minematsu; Stefan Lucks; Tetsu Iwata (IACR Cryptol. ePrint Arch., 2013)

Security of Hash-then-CBC Key Wrapping Revisited. - Yasushi Osaki; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)

Improving the Permutation Layer of Type 1, Type 3, Source-Heavy, and Target-Heavy Generalized Feistel Structures. - Shingo Yanagihara; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)

Symmetric Cryptography (Dagstuhl Seminar 14021). - Frederik Armknecht; Helena Handschuh; Tetsu Iwata; Bart Preneel (Dagstuhl Reports, 2014)

CLOC: Authenticated Encryption for Short Input. - Tetsu Iwata; Kazuhiko Minematsu; Jian Guo 001; Sumio Morioka (IACR Cryptol. ePrint Arch., 2014)

Impact of ANSI X9.24-1: 2009 Key Check Value on ISO/IEC 9797-1: 2011 MACs. - Tetsu Iwata; Lei Wang 031 (IACR Cryptol. ePrint Arch., 2014)

Cryptanalysis of 249-, 250-, ..., 256-Bit Key HyRAL via Equivalent Keys. - Yuki Asano; Shingo Yanagihara; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)

Type 1.x Generalized Feistel Structures. - Shingo Yanagihara; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)

Tweak-Length Extension for Tweakable Blockciphers. - Kazuhiko Minematsu; Tetsu Iwata (IACR Cryptol. ePrint Arch., 2015)

On the Security of the Schnorr Signature Scheme and DSA against Related-Key Attacks. - Hiraku Morita; Jacob C. N. Schuldt; Takahiro Matsuda 002; Goichiro Hanaoka; Tetsu Iwata (IACR Cryptol. ePrint Arch., 2015)

GCM Security Bounds Reconsidered. - Yuichi Niwa; Keisuke Ohashi; Kazuhiko Minematsu; Tetsu Iwata (IACR Cryptol. ePrint Arch., 2015)

Optimality of Tweak Functions in CLOC. - Hayato Kobayashi; Kazuhiko Minematsu; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

Symmetric Cryptography (Dagstuhl Seminar 16021). - Frederik Armknecht; Tetsu Iwata; Kaisa Nyberg; Bart Preneel (Dagstuhl Reports, 2016)

Integrity Analysis of Authenticated Encryption Based on Stream Ciphers. - Kazuya Imamura; Kazuhiko Minematsu; Tetsu Iwata (IACR Cryptol. ePrint Arch., 2016)

CENC is Optimally Secure. - Tetsu Iwata; Bart Mennink; Damian Vizár (IACR Cryptol. ePrint Arch., 2016)

On the Design Rationale of SIMON Block Cipher: Integral Attacks and Impossible Differential Attacks against SIMON Variants. - Kota Kondo; Yu Sasaki; Tetsu Iwata (IACR Cryptol. ePrint Arch., 2016)

Stronger Security Variants of GCM-SIV. - Tetsu Iwata; Kazuhiko Minematsu (IACR Trans. Symmetric Cryptol., 2016)

Analyzing Key Schedule of Simon: Iterative Key Differences and Application to Related-Key Impossible Differentials. - Kota Kondo; Yu Sasaki; Yosuke Todo; Tetsu Iwata (IWSEC, 2017)

ZMAC: A Fast Tweakable Block Cipher Mode for Highly Secure Message Authentication. - Tetsu Iwata; Kazuhiko Minematsu; Thomas Peyrin; Yannick Seurin (IACR Cryptol. ePrint Arch., 2017)

On the Security of Non-Interactive Key Exchange against Related-Key Attacks. - Hiraku Morita; Jacob C. N. Schuldt; Takahiro Matsuda 002; Goichiro Hanaoka; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017)

On the Security of Schnorr Signatures, DSA, and ElGamal Signatures against Related-Key Attacks. - Hiraku Morita; Jacob C. N. Schuldt; Takahiro Matsuda 002; Goichiro Hanaoka; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017)

Reconsidering the Security Bound of AES-GCM-SIV. - Tetsu Iwata; Yannick Seurin (IACR Trans. Symmetric Cryptol., 2017)

Cryptanalysis of PMACx, PMAC2x, and SIVx. - Kazuhiko Minematsu; Tetsu Iwata (IACR Trans. Symmetric Cryptol., 2017)

Symmetric Cryptography (Dagstuhl Seminar 18021). - Joan Daemen; Tetsu Iwata; Nils Gregor Leander; Kaisa Nyberg (Dagstuhl Reports, 2018)

Quantum Chosen-Ciphertext Attacks against Feistel Ciphers. - Gembu Ito; Akinori Hosoyamada; Ryutaroh Matsumoto; Yu Sasaki; Tetsu Iwata (IACR Cryptol. ePrint Arch., 2018)

Plaintext Recovery Attack of OCB2. - Tetsu Iwata (IACR Cryptol. ePrint Arch., 2018)

Universal Forgery and Multiple Forgeries of MergeMAC and Generalized Constructions. - Tetsu Iwata; Virginie Lallemand; Gregor Leander; Yu Sasaki (IACR Cryptol. ePrint Arch., 2018)

On the Design Rationale of SIMON Block Cipher: Integral Attacks and Impossible Differential Attacks against SIMON Variants. - Kota Kondo; Yu Sasaki; Yosuke Todo; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

Cryptanalysis of AES-PRF and Its Dual. - Patrick Derbez; Tetsu Iwata; Ling Sun 001; Siwei Sun; Yosuke Todo; Haoyang Wang 001; Meiqin Wang (IACR Trans. Symmetric Cryptol., 2018)

4-Round Luby-Rackoff Construction is a qPRP. - Akinori Hosoyamada; Tetsu Iwata (ASIACRYPT (1), 2019)

Quantum Attacks Against Type-1 Generalized Feistel Ciphers and Applications to CAST-256. - Boyu Ni; Gembu Ito; Xiaoyang Dong 001; Tetsu Iwata (INDOCRYPT, 2019)

Tight Quantum Security Bound of the 4-Round Luby-Rackoff Construction. - Akinori Hosoyamada; Tetsu Iwata (IACR Cryptol. ePrint Arch., 2019)

Quantum Distinguishing Attacks against Type-1 Generalized Feistel Ciphers. - Gembu Ito; Tetsu Iwata (IACR Cryptol. ePrint Arch., 2019)

ZOCB and ZOTR: Tweakable Blockcipher Modes for Authenticated Encryption with Full Absorption. - Zhenzhen Bao; Jian Guo 001; Tetsu Iwata; Kazuhiko Minematsu (IACR Trans. Symmetric Cryptol., 2019)

Iterative Block Ciphers from Tweakable Block Ciphers with Long Tweaks. - Ryota Nakamichi; Tetsu Iwata (IACR Trans. Symmetric Cryptol., 2019)

GIFT-COFB. - Subhadeep Banik; Avik Chakraborti; Tetsu Iwata; Kazuhiko Minematsu; Mridul Nandi; Thomas Peyrin; Yu Sasaki; Siang Meng Sim; Yosuke Todo (IACR Cryptol. ePrint Arch., 2020)

Blockcipher-Based Authenticated Encryption: How Small Can We Go? - Avik Chakraborti; Tetsu Iwata; Kazuhiko Minematsu; Mridul Nandi (J. Cryptol., 2020)

Cryptanalysis of OCB2: Attacks on Authenticity and Confidentiality. - Akiko Inoue; Tetsu Iwata; Kazuhiko Minematsu; Bertram Poettering (J. Cryptol., 2020)

Duel of the Titans: The Romulus and Remus Families of Lightweight AEAD Algorithms. - Tetsu Iwata; Mustafa Khairallah; Kazuhiko Minematsu; Thomas Peyrin (IACR Trans. Symmetric Cryptol., 2020)

Beyond-Birthday-Bound Secure Cryptographic Permutations from Ideal Ciphers with Long Keys. - Ryota Nakamichi; Tetsu Iwata (IACR Trans. Symmetric Cryptol., 2020)

On Tight Quantum Security of HMAC and NMAC in the Quantum Random Oracle Model. - Akinori Hosoyamada; Tetsu Iwata (IACR Cryptol. ePrint Arch., 2021)

Indifferentiability of SKINNY-HASH Internal Functions. - Akinori Hosoyamada; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021)

Provably Quantum-Secure Tweakable Block Ciphers. - Akinori Hosoyamada; Tetsu Iwata (IACR Trans. Symmetric Cryptol., 2021)

Analyzing the Provable Security Bounds of GIFT-COFB and Photon-Beetle. - Akiko Inoue; Tetsu Iwata; Kazuhiko Minematsu (IACR Cryptol. ePrint Arch., 2022)

New indifferentiability security proof of MDPH hash function. - Chun Guo 002; Tetsu Iwata; Kazuhiko Minematsu (IET Inf. Secur., 2022)

Matching attacks on Romulus-M. - Makoto Habu; Kazuhiko Minematsu; Tetsu Iwata (IET Inf. Secur., 2022)

On the (im)possibility of improving the round diffusion of generalized Feistel structures. - Kyoji Shibutani; Tetsu Iwata (Inf. Process. Lett., 2022)

Quantum attacks on Sum of Even-Mansour pseudorandom functions. - Kazuo Shinagawa; Tetsu Iwata (Inf. Process. Lett., 2022)

Cryptanalysis of Rocca and Feasibility of Its Security Claim. - Akinori Hosoyamada; Akiko Inoue; Ryoma Ito 001; Tetsu Iwata; Kazuhiko Minematsu; Ferdinand Sibleyras; Yosuke Todo (IACR Trans. Symmetric Cryptol., 2022)

Generalized Feistel Structures Based on Tweakable Block Ciphers. - Kazuki Nakaya; Tetsu Iwata (IACR Trans. Symmetric Cryptol., 2022)

PMACrx: A Vector-Input MAC for High-Dimensional Vectors with BBB Security. - Isamu Furuya; Hayato Kasahara; Akiko Inoue; Kazuhiko Minematsu; Tetsu Iwata (IWSEC, 2023)

Key Committing Security of AEZ and More. - Yu Long Chen; Antonio Flórez-Gutiérrez; Akiko Inoue; Ryoma Ito 001; Tetsu Iwata; Kazuhiko Minematsu; Nicky Mouha; Yusuke Naito 001; Ferdinand Sibleyras; Yosuke Todo (IACR Trans. Symmetric Cryptol., 2023)

Comprehensive Robustness Analysis of GCM, CCM, and OCB3. - Akiko Inoue; Tetsu Iwata; Kazuhiko Minematsu (IACR Cryptol. ePrint Arch., 2024)

Practical Committing Attacks against Rocca-S. - Ryunosuke Takeuchi; Yosuke Todo; Tetsu Iwata (IACR Cryptol. ePrint Arch., 2024)

Feistel Ciphers Based on a Single Primitive. - Kento Tsuji; Tetsu Iwata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2024)

Key Recovery, Universal Forgery, and Committing Attacks against Revised Rocca: How Finalization Affects Security. - Ryunouchi Takeuchi; Yosuke Todo; Tetsu Iwata (IACR Trans. Symmetric Cryptol., 2024)

Cryptographic Treatment of Key Control Security - In Light of NIST SP 800-108. - Ritam Bhaumik; Avijit Dutta; Akiko Inoue; Tetsu Iwata; Ashwin Jha 001; Kazuhiko Minematsu; Mridul Nandi; Yu Sasaki; Meltem Sönmez Turan; Stefano Tessaro (IACR Cryptol. ePrint Arch., 2025)