Tetsu Iwata

Shingo Yanagihara, Tetsu Iwata: Improving the Permutation Layer of Type 1, Type 3, Source-Heavy, and Target-Heavy Generalized Feistel Structures. IEICE Transactions 96-A(1): 2-14 (2013)

Yasushi Osaki, Tetsu Iwata: Security of Hash-then-CBC Key Wrapping Revisited. IEICE Transactions 96-A(1): 25-34 (2013)

Yasushi Osaki, Tetsu Iwata: Further More on Key Wrapping. IEICE Transactions 95-A(1): 8-20 (2012)

Yuki Asano, Shingo Yanagihara, Tetsu Iwata: Cryptanalysis of 256-Bit Key HyRAL via Equivalent Keys. ACNS 2012: 257-274

Tetsu Iwata, Keisuke Ohashi, Kazuhiko Minematsu: Breaking and Repairing GCM Security Proofs. CRYPTO 2012: 31-49

Kazuhiko Minematsu, Hiraku Morita, Tetsu Iwata: Cryptanalysis of EAXprime. IACR Cryptology ePrint Archive 2012: 18 (2012)

Tetsu Iwata, Keisuke Ohashi, Kazuhiko Minematsu: Breaking and Repairing GCM Security Proofs. IACR Cryptology ePrint Archive 2012: 438 (2012)

Shingo Yanagihara, Tetsu Iwata: On Permutation Layer of Type 1, Source-Heavy, and Target-Heavy Generalized Feistel Structures. CANS 2011: 98-117

Kazuhiko Minematsu, Tetsu Iwata: Building Blockcipher from Tweakable Blockcipher: Extending FSE 2009 Proposal. IMA Int. Conf. 2011: 391-412

Yasushi Osaki, Tetsu Iwata: Security of Hash-then-CBC Key Wrapping Revisited. IMA Int. Conf. 2011: 413-430

Tetsu Iwata, Masakatsu Nishigaki (Eds.): Advances in Information and Computer Security - 6th International Workshop, IWSEC 2011, Tokyo, Japan, November 8-10, 2011. Proceedings. Lecture Notes in Computer Science 7038, Springer 2011, isbn 978-3-642-25140-5

Atsushi Mitsuda, Tetsu Iwata: Tweakable Pseudorandom Permutation from Generalized Feistel Structure. IEICE Transactions 93-A(1): 13-21 (2010)

Shungo Nakamura, Tetsu Iwata: MPP Characteristics of Variants of Merkle-Damgård Iterated Hash Functions. IEICE Transactions 93-A(1): 93-101 (2010)

Seokhie Hong, Tetsu Iwata (Eds.): Fast Software Encryption, 17th International Workshop, FSE 2010, Seoul, Korea, February 7-10, 2010, Revised Selected Papers. Lecture Notes in Computer Science 6147, Springer 2010, isbn 978-3-642-13857-7

Tetsu Iwata, Kan Yasuda: HBS: A Single-Key Mode of Operation for Deterministic Authenticated Encryption. FSE 2009: 394-415

Tetsu Iwata, Kan Yasuda: BTM: A Single-Key, Inverse-Cipher-Free Mode for Deterministic Authenticated Encryption. Selected Areas in Cryptography 2009: 313-330

Tetsu Iwata, Tohru Yagi, Kaoru Kurosawa: Security of the Five-Round Kasumi Type Permutation. IEICE Transactions 91-A(1): 30-38 (2008)

Tetsu Iwata: Authenticated Encryption Mode for Beyond the Birthday Bound Security. AFRICACRYPT 2008: 125-142

Atsushi Mitsuda, Tetsu Iwata: Tweakable Pseudorandom Permutation from Generalized Feistel Structure. ProvSec 2008: 22-37

Kyohei Suzuki, Tetsu Iwata: Bounds on Fixed Input/Output Length Post-processing Functions for Biased Physical Random Number Generators. Selected Areas in Cryptography 2008: 373-386

Tetsu Iwata, Kaoru Kurosawa: How to Construct Super-Pseudorandom Permutations with Short Keys. IEICE Transactions 90-A(1): 2-13 (2007)

Tetsu Iwata: Tightness of the Security Bound of CENC. Symmetric Cryptography 2007

Taizo Shirai, Kyoji Shibutani, Toru Akishita, Shiho Moriai, Tetsu Iwata: The 128-Bit Blockcipher CLEFIA (Extended Abstract). FSE 2007: 181-195

Tetsu Iwata: New Blockcipher Modes of Operation with Beyond the Birthday Bound Security. FSE 2006: 310-327

Tetsu Iwata: New Blockcipher Modes of Operation with Beyond the Birthday Bound Security. IACR Cryptology ePrint Archive 2006: 188 (2006)

Kaoru Kurosawa, Tetsu Iwata, Quang Viet Duong: How to Improve Interpolation Attack. IEICE Transactions 88-A(1): 9-15 (2005)

Tetsu Iwata, Kaoru Kurosawa: On the Security of a MAC by Mitchell. IEICE Transactions 88-A(1): 25-32 (2005)

Katsuyuki Okeya, Tetsu Iwata: Side Channel Attacks on Message Authentication Codes. ESAS 2005: 205-217

Tetsu Iwata, Kaoru Kurosawa: How to Enhance the Security of the 3GPP Confidentiality and Integrity Algorithms. FSE 2005: 268-283

Kaoru Kurosawa, Tetsu Iwata: TMAC: Two-Key CBC MAC. IEICE Transactions 87-A(1): 46-52 (2004)

Tetsu Iwata, Kaoru Kurosawa: On the Universal Hash Functions in Luby-Rackoff Cipher. IEICE Transactions 87-A(1): 60-66 (2004)

Kaoru Kurosawa, Tetsu Iwata, Takayuki Yoshiwara: New covering radius of Reed-Muller codes for t-resilient functions. IEEE Transactions on Information Theory 20(3): 468-475 (2004)

Tetsu Iwata, Kaoru Kurosawa: How to Re-use Round Function in Super-Pseudorandom Permutation. ACISP 2004: 224-235

Tetsu Iwata, Tadayoshi Kohno: New Security Proofs for the 3GPP Confidentiality and Integrity Algorithms. FSE 2004: 427-445

Tetsu Iwata, Tadayoshi Kohno: New Security Proofs for the 3GPP Confidentiality and Integrity Algorithms. IACR Cryptology ePrint Archive 2004: 19 (2004)

Tetsu Iwata, Tomonobu Yoshino, Kaoru Kurosawa: Non-cryptographic primitive for pseudorandom permutation. Theor. Comput. Sci. 306(1-3): 139-154 (2003)

Tetsu Iwata, Tohru Yagi, Kaoru Kurosawa: On the Pseudorandomness of KASUMI Type Permutations. ACISP 2003: 130-141

Kaoru Kurosawa, Tetsu Iwata: TMAC: Two-Key CBC MAC. CT-RSA 2003: 33-49

Tetsu Iwata, Kaoru Kurosawa: OMAC: One-Key CBC MAC. FSE 2003: 129-153

Tetsu Iwata, Kaoru Kurosawa: On the Security of a New Variant of OMAC. ICISC 2003: 67-78

Tetsu Iwata, Kaoru Kurosawa: On the Correctness of Security Proofs for the 3GPP Confidentiality and Integrity Algorithms. IMA Int. Conf. 2003: 306-318

Tetsu Iwata, Kaoru Kurosawa: Stronger Security Bounds for OMAC, TMAC, and XCBC. INDOCRYPT 2003: 402-415

Tetsu Iwata, Kaoru Kurosawa: Stronger Security Bounds for OMAC, TMAC and XCBC. IACR Cryptology ePrint Archive 2003: 82 (2003)

Tetsu Iwata, Tohru Yagi, Kaoru Kurosawa: On the Pseudorandomness of KASUMI Type Permutations. IACR Cryptology ePrint Archive 2003: 130 (2003)

Tetsu Iwata, Tomonobu Yoshino, Kaoru Kurosawa: Non-cryptographic Primitive for Pseudorandom Permutation. FSE 2002: 149-163

Tetsu Iwata, Kaoru Kurosawa: On the Universal Hash Functionsin Luby-Rackoff Cipher. ICISC 2002: 226-236

Kaoru Kurosawa, Tetsu Iwata: TMAC: Two-Key CBC MAC. IACR Cryptology ePrint Archive 2002: 92 (2002)

Kaoru Kurosawa, Tetsu Iwata, Takayuki Yoshiwara: New covering radius of Reed-Muller codes for t-resilient functions. IACR Cryptology ePrint Archive 2002: 123 (2002)

Tetsu Iwata, Kaoru Kurosawa: OMAC: One-Key CBC MAC. IACR Cryptology ePrint Archive 2002: 180 (2002)

Tetsu Iwata, Tomonobu Yoshino, Tomohiro Yuasa, Kaoru Kurosawa: Round Security and Super-Pseudorandomness of MISTY Type Structure. FSE 2001: 233-247

Tetsu Iwata, Takayuki Yoshiwara, Kaoru Kurosawa: New Covering Radius of Reed-Muller Codes for t-Resilient Functions. Selected Areas in Cryptography 2001: 75-86

Tetsu Iwata, Kaoru Kurosawa: On the Pseudorandomness of the AES Finalists - RC6 and Serpent. FSE 2000: 231-243

Kaoru Kurosawa, Tetsu Iwata, Quang Viet Duong: Root Finding Interpolation Attack. Selected Areas in Cryptography 2000: 303-314

Takashi Satoh, Tetsu Iwata, Kaoru Kurosawa: On Cryptographically Secure Vectorial Boolean Functions. ASIACRYPT 1999: 20-28

Tetsu Iwata, Kaoru Kurosawa: Probabilistic Higher Order Differential Attack and Higher Order Bent Functions. ASIACRYPT 1999: 62-74