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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| ISEC, IT, WBS | 2008-02-28 17:20 |
Tokyo | Conditions for Achieving a Revocable Network Coding Scheme Hidenori Kuwakado, Masakatu Morii (Kobe Univ.)  IT2007-40 ISEC2007-137 WBS2007-71 |
In this paper, we introduce the concept of revocation into network coding. The revocation means that a source can ... [more] |
IT2007-40 ISEC2007-137 WBS2007-71 pp.55-58 |
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| ISEC, IT, WBS | 2008-02-29 15:20 |
Tokyo | Quantum Secret Sharing Scheme for Amplitude Information Takeshi Okada, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) IT2007-60 ISEC2007-157 WBS2007-91 |
Since the quantum secret sharing scheme proposed by Hillery, $\mathrm{Bu\check{z}ek}$, and Berthiaume leaks amplitude in... [more] | IT2007-60 ISEC2007-157 WBS2007-91 pp.79-82 |
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| ISEC, LOIS | 2007-11-22 15:20 |
Hyogo | Kobe University | A Key Recovery Attack on WEP with Less Packets Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) ISEC2007-109 OIS2007-81 |
E. Tews, R. Weinmann, and A. Pyshkin have recently shown a key recovery attack on WEP (called the PTW attack). The PTW a... [more] | ISEC2007-109 OIS2007-81 pp.61-68 |
| ISEC, LOIS | 2007-11-22 15:45 |
Hyogo | Kobe University | A Key Recovery Attack with Equivalent Keys of Stream Cipher Takanori Isobe, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) ISEC2007-110 OIS2007-82 |
[more] | ISEC2007-110 OIS2007-82 pp.69-74 |
| ISEC, LOIS | 2007-11-22 16:10 |
Hyogo | Kobe University | New Weak Keys on RC4 Ryoichi Teramura, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) ISEC2007-111 OIS2007-83 |
This paper discusses the keys on RC4 which parts of them can be recovered from their outputs with high probability. We... [more] |
ISEC2007-111 OIS2007-83 pp.75-80 |
| CQ, LOIS, IE, IEE-CMN, ITE-ME | 2007-09-27 14:40 |
Tokushima | The university of Tokushima | Analysis of Secure Mutual Authentication Methods against the Stolen-Verfier Attack Seiji Nakano, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) CQ2007-47 OIS2007-37 IE2007-44 |
In 2006, Tsuji et al. proposed a password authentication method called the SAS-X(2), which is secure against the stolen-... [more] | CQ2007-47 OIS2007-37 IE2007-44 pp.61-64 |
| CQ, LOIS, IE, IEE-CMN, ITE-ME | 2007-09-27 15:40 |
Tokushima | The university of Tokushima | New Method for Reconstructing a Part of the Internal State in RC4 Ryoichi Teramura, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) CQ2007-49 OIS2007-39 IE2007-46 |
This paper discusses the correlation on the initial states-keystream of RC4, and gives the key recovery attack exploit... [more] |
CQ2007-49 OIS2007-39 IE2007-46 pp.71-76 |
| ISEC, SITE, IPSJ-CSEC | 2007-07-20 10:20 |
Hokkaido | Future University-Hakodate | Analysis on the Key-Scheduling Algorithm of MICKEY Yoshiaki Fujikawa, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) ISEC2007-46 |
MICKEY and MICKEY-128, which are stream ciphers submitted to the ECRYPT Stream Cipher Project (eSTREAM), use a 80-bit se... [more] | ISEC2007-46 pp.9-16 |
| ISEC, SITE, IPSJ-CSEC | 2007-07-20 10:45 |
Hokkaido | Future University-Hakodate | A Study on the Tews-Weinmann-Pyshkin Attack against WEP Yuko Ozasa, Yoshiaki Fujikawa, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) ISEC2007-47 |
Tews, Weinmann, and Phshkin have shown a key recovery attack against WEP (the TWP attack), which is the modification of ... [more] | ISEC2007-47 pp.17-21 |
| ISEC | 2007-05-18 16:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | On Onewayness of Key-Scheduling Algorithms for eSTREAM's Ciphers Yoshiaki Fujikawa, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) ISEC2007-14 |
In the stream cipher, the initial state is generated from a secret key and an initalization vector (IV) in key-schedulin... [more] | ISEC2007-14 pp.93-99 |
| ISEC | 2007-05-18 16:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | On Equivalent Keys of Stream Ciphers Ryoichi Teramura, Takanori Isobe, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) ISEC2007-15 |
When different keys are used in encryption, we call these keys equivalent keys if ciphertexts generated from these key... [more] |
ISEC2007-15 pp.101-108 |
| ISEC | 2006-12-13 16:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Fixed IV Value Independent Key Recovery Attack against WEP Yoshiaki Fujikawa, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) |
[more] | ISEC2006-113 pp.73-79 |
| ISEC | 2006-12-13 16:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Practical Key Recovery Attack Against Py Takanori Isobe, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) |
[more] | ISEC2006-114 pp.81-87 |
| ISEC, SITE, IPSJ-CSEC | 2006-07-20 16:10 |
Okayama | Okayama Univ. | Inspection of sufficient conditions of MD5 Yuto Nakano, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) |
Sufficient conditions for finding the collision pairs of MD5 are about 600 conditions on internal variables, but the ne... [more] |
ISEC2006-27 SITE2006-24 pp.133-139 |
| ISEC, SITE, IPSJ-CSEC | 2006-07-20 16:35 |
Okayama | Okayama Univ. | Possibility of the Key Recovery Attack against Py Takanori Isobe, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) |
Biham and Seberry have submitted the stream cipher Py to the ECRYPT Stream Cipher Project (eSTREAM). In this paper, ... [more] |
ISEC2006-28 SITE2006-25 pp.141-148 |
| ISEC, SITE, IPSJ-CSEC | 2006-07-20 13:00 |
Okayama | Okayama Univ. | A Secure Packet Digesting Algorithm in the Interconnected IP Traceback Systems Seiji Nakano, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) |
The interconnected IP traceback is a method for identifying theoriginator of an IP packet. A traceback server sends quer... [more] | ISEC2006-31 SITE2006-28 pp.161-165 |
| ISEC, SITE, IPSJ-CSEC | 2006-07-21 09:55 |
Okayama | Okayama Univ. | Quantum Threshold Scheme Using Two States Takeshi Okada, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) |
Cleve, Gottesman, and Lo have shown the (k,n) quantum threshold scheme using several states. However, it is not easy to... [more] | ISEC2006-41 pp.9-12 |
| IT | 2006-05-24 15:30 |
Nara | Nara-ken new public hall | Security of Modified Counter Modes Hidenori Kuwakado, Masakatu Morii (Kobe Univ.) |
[more] | IT2006-10 pp.19-22 |
| IT | 2005-09-27 16:40 |
Fukushima | Aizu Univ. | Unconditionally secure key agreement using BCH codes Kensuke Hirano, Hidenori Kuwakado, Masakatu Morii (Kobe Univ), Hatsukazu Tanaka (KIC) |
Key agreement schemes using noise on the channel have been studied theoretically.Since these schemes require only an err... [more] | IT2005-58 pp.43-47 |
| ISEC, IPSJ-CSEC, SITE | 2005-07-22 13:50 |
Iwate | Iwate Prefectural University | Improvement of the Security against Photon Number Splitting Attacks Yoshifumi Nishida, Hidenori Kuwakado, Masakatu Morii (Kobe Univ.), Hatsukazu Tanaka (Kobe Institute of Computing) |
Since it is difficult for practical optical devices to output a single-photon pulse, a weak laser pulse is often substit... [more] | ISEC2005-56 pp.93-99 |
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