| Presentation | 2018-03-09 On Confirming Ciphertext Update in Key-Updatable Public-key Encryption with Keyword Search Yuka Sakoda, Honomu Ohtomo, Naoki Matsunaga, Taroh Sasaki, Atsushi Fujioka, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | A public-key encryption with keyword search (PEKS) scheme is applicable to safe cloud services as a user can search a keyword while encrypting data. Matsuzaki et al. pointed out a risk that keys in PEKS may be leaked, and proposed a key-updatable PEKS (KU-PEKS) scheme as the measure.This paper adds a functionality confirming that ciphertexts are updated to KU-PEKS. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | searchable encryption / key update / ciphertext update |
| Paper # | IT2017-140,ISEC2017-128,WBS2017-121 |
| Date of Issue | 2018-03-01 (IT, ISEC, WBS) |
| Conference Information | |
| Committee | WBS / IT / ISEC |
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| Conference Date | 2018/3/8(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Katsusika Campas, Tokyo University of Science |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | joint meeting of IT, ISEC, and WBS |
| Chair | Fumiaki Maehara(Waseda Univ.) / Masayoshi Ohashi(Fukuoka Univ.) / Kazuto Ogawa(NHK) |
| Vice Chair | Masanori Hamamura(Kochi Univ. of Tech.) / Fumie Ono(NICT) / Jun Muramatsu(NTT) / Atsushi Fujioka(Kanagawa Univ.) / Shiho Moriai(NICT) |
| Secretary | Masanori Hamamura(Mitsubishi Electric) / Fumie Ono(Ibaraki Univ.) / Jun Muramatsu(Yokohama College of Commerce) / Atsushi Fujioka(UEC) / Shiho Moriai(Tohoku Univ.) |
| Assistant | Akira Nakamura(Tokyo Univ. of Science) / Ryohei Nakamura(National Defense Academy) / Sigeaki Kuzuoka(wakayama univ.) / Keita Emura(NICT) / Yuichi Komano(TOSHIBA) / Yuuji Suga(IIJ) |
| Paper Information | |
| Registration To | Technical Committee on Wideband System / Technical Committee on Information Theory / Technical Committee on Information Security |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | On Confirming Ciphertext Update in Key-Updatable Public-key Encryption with Keyword Search |
| Sub Title (in English) | |
| Keyword(1) | searchable encryption |
| Keyword(2) | key update |
| Keyword(3) | ciphertext update |
| 1st Author's Name | Yuka Sakoda |
| 1st Author's Affiliation | Kanagawa University(Kanagawa Univ.) |
| 2nd Author's Name | Honomu Ohtomo |
| 2nd Author's Affiliation | Kanagawa University(Kanagawa Univ.) |
| 3rd Author's Name | Naoki Matsunaga |
| 3rd Author's Affiliation | Kanagawa University(Kanagawa Univ.) |
| 4th Author's Name | Taroh Sasaki |
| 4th Author's Affiliation | Kanagawa University(Kanagawa Univ.) |
| 5th Author's Name | Atsushi Fujioka |
| 5th Author's Affiliation | Kanagawa University(Kanagawa Univ.) |
| Date | 2018-03-09 |
| Paper # | IT2017-140,ISEC2017-128,WBS2017-121 |
| Volume (vol) | vol.117 |
| Number (no) | IT-487,ISEC-488,WBS-489 |
| Page | pp.pp.219-223(IT), pp.219-223(ISEC), pp.219-223(WBS), |
| #Pages | 5 |
| Date of Issue | 2018-03-01 (IT, ISEC, WBS) |