| Presentation | 2022-07-20 Revocable Identity-Based Encryption With Multiple Private-Key Generators secure against Chosen Ciphertext Attacks and Decryption Key Exposure Yudai Suzuki, Atsushi Fujioka, Taroh Sasaki, Akira Nagai, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This study gives new security definitions for revocable identity-based encryption with multiple private-key generators (mPKG-RIBE). We formulated mPKG-RIBE and defined IND-CPA security for mPKG-RIBE at SCIS2022. In this paper, we define IND-CCA security, secure than IND-CPA security, and prove that an IND-CCA secure mPKG-RIBE scheme exists using an IND-CCA secure RIBE scheme. We consider decryption key exposure resistance, also. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Revocability / Identity-Based Encryption / Selective Security / Adaptive Security / Security against Chosen Ciphertext Attacks / Decryption Key Exposure Resistance |
| Paper # | ISEC2022-27,SITE2022-31,BioX2022-52,HWS2022-27,ICSS2022-35,EMM2022-35 |
| Date of Issue | 2022-07-12 (ISEC, SITE, BioX, HWS, ICSS, EMM) |
| Conference Information | |
| Committee | EMM / BioX / ISEC / SITE / ICSS / HWS / IPSJ-CSEC / IPSJ-SPT |
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| Conference Date | 2022/7/19(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | Ryoichi Nishimura(NICT) / Hitoshi Imaoka(NEC) / Noboru Kunihiro(Tsukuba Univ.) / Takushi Otani(Kibi International Univ.) / Katsunari Yoshioka(Yokohama National Univ.) / Makoto Nagata(Kobe Univ.) |
| Vice Chair | Kotaro Sonoda(Nagasaki Univ.) / Masatsugu Ichino(Univ. of Electro-Comm.) / Norihiko Okui(KDDI Research) / Naoyuki Takada(SECOM) / Junji Shikata(Yokohama National Univ.) / Goichiro Hanaoka(AIST) / Soichiro Morishita(Cyber Agent) / Takeo Tatsumi(Open Univ. of Japan) / Takahiro Kasama(NICT) / Yuichi Hayashi(NAIST) / Daisuke Suzuki(Mitsubishi Electric) |
| Secretary | Kotaro Sonoda(Kaishi Professional Univ.) / Masatsugu Ichino(Chiba Univ.) / Norihiko Okui(NEC) / Naoyuki Takada(MitsubishiElectric) / Junji Shikata(AIST) / Goichiro Hanaoka(Ibaraki Univ.) / Soichiro Morishita(NRI-Secure) / Takeo Tatsumi(Hokuriku Univ.) / Takahiro Kasama(KDDI labs.) / Yuichi Hayashi(Okayama Univ.) / Daisuke Suzuki(SSS) / (NAIST) |
| Assistant | Tomoko Kajiyama(Hiroshima City Univ.) / Shieyuki Sakazawa(Osaka Inst. of Tech.) / Hiroyuki Suzuki(Gunma Univ) / Shinichi Shirakawa(Yokohama National Univ.) / Yoshikazu Hanatani(Toshiba) / Yusuke Tachibana(Fukuoka Inst. of Tech.) / Keisuke Kito(Mitsubishi Electric) / Takeshi Sugawara(Univ. of Electro-Comm.) / Yo Kanemoto(NTT) |
| Paper Information | |
| Registration To | Technical Committee on Enriched MultiMedia / Technical Committee on Biometrics / Technical Committee on Information Security / Technical Committee on Social Implications of Technology and Information Ethics / Technical Committee on Information and Communication System Security / Technical Committee on Hardware Security / Special Interest Group on Computer Security / Special Interest Group on Security Psychology and Trust |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Revocable Identity-Based Encryption With Multiple Private-Key Generators secure against Chosen Ciphertext Attacks and Decryption Key Exposure |
| Sub Title (in English) | |
| Keyword(1) | Revocability |
| Keyword(2) | Identity-Based Encryption |
| Keyword(3) | Selective Security |
| Keyword(4) | Adaptive Security |
| Keyword(5) | Security against Chosen Ciphertext Attacks |
| Keyword(6) | Decryption Key Exposure Resistance |
| 1st Author's Name | Yudai Suzuki |
| 1st Author's Affiliation | Kanagawa University, graduate school(Kanagawa Univ.) |
| 2nd Author's Name | Atsushi Fujioka |
| 2nd Author's Affiliation | Kanagawa University(Kanagawa Univ.) |
| 3rd Author's Name | Taroh Sasaki |
| 3rd Author's Affiliation | Kanagawa University(Kanagawa Univ.) |
| 4th Author's Name | Akira Nagai |
| 4th Author's Affiliation | NTT Social Informatics Laboratories(NTT) |
| Date | 2022-07-20 |
| Paper # | ISEC2022-27,SITE2022-31,BioX2022-52,HWS2022-27,ICSS2022-35,EMM2022-35 |
| Volume (vol) | vol.122 |
| Number (no) | ISEC-122,SITE-123,BioX-124,HWS-125,ICSS-126,EMM-127 |
| Page | pp.pp.118-123(ISEC), pp.118-123(SITE), pp.118-123(BioX), pp.118-123(HWS), pp.118-123(ICSS), pp.118-123(EMM), |
| #Pages | 6 |
| Date of Issue | 2022-07-12 (ISEC, SITE, BioX, HWS, ICSS, EMM) |