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All Technical Committee Conferences (Searched in: Recent 10 Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WBS, ISEC, IT, RCC | 2025-03-05 09:50 |
Osaka | Nakanoshima Center, Osaka University | Distinguishing Attacks against Docked Double Decker Takahiro Kaneko, Tetsu Iwata (Nagoya Univ.)  IT2024-73 ISEC2024-87 WBS2024-70 RCC2024-75 |
Docked Double Decker is a tweakable wide block cipher based on the four-round Feistel structure. It applies two hash fun... [more] | IT2024-73 ISEC2024-87 WBS2024-70 RCC2024-75 pp.1-7 |
| RCC, ISEC, IT, WBS | 2023-03-15 16:10 |
Yamaguchi | (Primary: On-site, Secondary: Online) |
Active S-box Number Analysis with MILP of Type-2 Generalized Feistel Structure Using Sub-Block Dividing Masaya Okazaki, Tetsu Iwata (Nagoya Univ.) IT2022-134 ISEC2022-113 WBS2022-131 RCC2022-131 |
Type-2 Generalized Feistel Structures (GFSs) are a well-known structure for constructing secure block ciphers. At Indocr... [more] | IT2022-134 ISEC2022-113 WBS2022-131 RCC2022-131 pp.419-426 |
| ISEC, SITE, LOIS | 2022-11-18 14:55 |
Online | Online | Active S-box Number Analysis with MILP of Type-2 Generalized Feistel Structure Consisting of Multiple SP Layers F-function Masaya Okazaki, Tetsu Iwata (Nagoya Univ.) ISEC2022-36 SITE2022-40 LOIS2022-20 |
Type-2 Generalized Feistel Structure (GFS) is known as a way to construct a secure block cipher. It is a $dm$-bit ($d ge... [more] | ISEC2022-36 SITE2022-40 LOIS2022-20 pp.32-38 |
| BioX, ISEC, SITE, ICSS, EMM, HWS, IPSJ-CSEC, IPSJ-SPT [detail] | 2021-07-20 14:50 |
Online | Online | Differential Path Search Using MILP against ForkSkinny Masaya Okazaki (Nagoya Univ.), Yu Sasaki (NTT), Tetsu Iwata (Nagoya Univ.) ISEC2021-35 SITE2021-29 BioX2021-36 HWS2021-35 ICSS2021-40 EMM2021-40 |
ForkSkinny is a symmetric key primitive desgined based on a tweakable block cipher called SKINNY, and it outputs two cip... [more] | ISEC2021-35 SITE2021-29 BioX2021-36 HWS2021-35 ICSS2021-40 EMM2021-40 pp.153-160 |
| ISEC | 2021-05-19 13:50 |
Online | Online | Distinguishing and Forgery Attacks against Romulus-N and Romulus-M Makoto Habu (Nagoya Univ.), Kazuhiko Minematsu (NEC), Tetsu Iwata (Nagoya Univ.) ISEC2021-6 |
Romulus is an authenticated encryption scheme based on a tweakable block cipher. It was submitted to the NIST Lightweigh... [more] | ISEC2021-6 pp.25-31 |
| WBS, IT, ISEC | 2021-03-04 09:25 |
Online | Online | Four-Block Type-2 Feistel Cipher from Tweakable Block Ciphers Kazuki Nakaya, Tetsu Iwata (Nagoya Univ.) IT2020-118 ISEC2020-48 WBS2020-37 |
A secure block cipher can be obtained from tweakable block ciphers (TBCs). In this paper, by using a TBC with $n$-bit bl... [more] | IT2020-118 ISEC2020-48 WBS2020-37 pp.37-44 |
| SITE, ISEC, HWS, EMM, BioX, IPSJ-CSEC, IPSJ-SPT, ICSS [detail] | 2020-07-20 15:45 |
Online | Online | Quantum Attacks on the Sum of Even-Mansour Pseudorandom Function Kazuo Shinagawa, Tetsu Iwata (Nagoya Univ.) ISEC2020-21 SITE2020-18 BioX2020-24 HWS2020-14 ICSS2020-8 EMM2020-18 |
At CRYPTO~2019, a method to construct a pseudorandom function from public random permutations was presented. In this pap... [more] | ISEC2020-21 SITE2020-18 BioX2020-24 HWS2020-14 ICSS2020-8 EMM2020-18 pp.47-51 |
| ISEC | 2020-05-20 10:10 |
Online | Online | Distinguishing, Forgery, and Plaintext Recovery Attacks against Google Adiantum Makoto Habu, Tetsu Iwata (Nagoya Univ.) ISEC2020-2 |
[more] | ISEC2020-2 pp.7-14 |
| ISEC, IT, WBS | 2020-03-11 10:20 |
Hyogo | University of Hyogo (Cancelled but technical report was issued) |
Security Proof of Cryptographic Permutation Based on Ideal Ciphers Ryota Nakamichi, Tetsu Iwata (Nagoya Univ.) IT2019-110 ISEC2019-106 WBS2019-59 |
Coron et al. proved the security of an iterative construction of a $2n$-bit cryptographic permutation that uses $3$ idea... [more] | IT2019-110 ISEC2019-106 WBS2019-59 pp.135-141 |
| ISEC | 2017-09-04 16:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
ZMAC: A Fast Tweakable Block Cipher Mode for Highly Secure Message Authentication Tetsu Iwata (Nagoya Univ.), Kazuhiko Minematsu (NEC), Thomas Peyrin (NTU), Yannick Seurin (ANSSI) ISEC2017-47 |
[more] | ISEC2017-47 p.43 |
| ISEC, WBS, IT | 2017-03-09 10:50 |
Tokyo | TOKAI University | The Security of 3-Round RSA-OAEP against Related-Key Attacks Gembu Ito, Hiraku Morita, Tetsu Iwata (Nagoya Univ.) IT2016-101 ISEC2016-91 WBS2016-77 |
In 2013, Jia et al. proved that RSA-OAEP is secure against related-key attacks with respect to affine functions.In relat... [more] | IT2016-101 ISEC2016-91 WBS2016-77 pp.15-22 |
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