JPWO2021149106A1 - - Google Patents
Info
- Publication number
- JPWO2021149106A1 JPWO2021149106A1 JP2021572128A JP2021572128A JPWO2021149106A1 JP WO2021149106 A1 JPWO2021149106 A1 JP WO2021149106A1 JP 2021572128 A JP2021572128 A JP 2021572128A JP 2021572128 A JP2021572128 A JP 2021572128A JP WO2021149106 A1 JPWO2021149106 A1 JP WO2021149106A1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/085—Secret sharing or secret splitting, e.g. threshold schemes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
- G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/46—Secure multiparty computation, e.g. millionaire problem
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Complex Calculations (AREA)
- Storage Device Security (AREA)
- Hardware Redundancy (AREA)
- Devices For Executing Special Programs (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/001683 WO2021149106A1 (ja) | 2020-01-20 | 2020-01-20 | 秘密計算装置、秘密計算方法、およびプログラム |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021149106A1 true JPWO2021149106A1 (https=) | 2021-07-29 |
| JPWO2021149106A5 JPWO2021149106A5 (https=) | 2022-08-19 |
| JP7290178B2 JP7290178B2 (ja) | 2023-06-13 |
Family
ID=76992097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021572128A Active JP7290178B2 (ja) | 2020-01-20 | 2020-01-20 | 秘密計算装置、秘密計算方法、およびプログラム |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12166864B2 (https=) |
| EP (1) | EP4095830B1 (https=) |
| JP (1) | JP7290178B2 (https=) |
| CN (1) | CN114981860B (https=) |
| AU (1) | AU2020423806B2 (https=) |
| WO (1) | WO2021149106A1 (https=) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014164144A (ja) * | 2013-02-26 | 2014-09-08 | Nippon Telegr & Teleph Corp <Ntt> | 秘密表除算装置及び方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050088506A (ko) * | 2004-03-02 | 2005-09-07 | 삼성전자주식회사 | 다중 세정도를 지원하는 확장형 몽고메리 모듈러 곱셈기 |
| JP4685621B2 (ja) * | 2005-12-20 | 2011-05-18 | 日本電信電話株式会社 | 鍵生成装置、暗号化装置、復号化装置、乗法型ナップザック暗号システム、乗法型ナップザック暗号復号方法およびプログラム |
| WO2008010441A1 (en) * | 2006-07-21 | 2008-01-24 | Nec Corporation | Encryption device, program, and method |
| JP2008252299A (ja) * | 2007-03-29 | 2008-10-16 | Hitachi Ltd | 暗号処理システム及び暗号処理方法 |
| JP2010008883A (ja) * | 2008-06-30 | 2010-01-14 | Toshiba Corp | 暗号用演算装置、暗号用演算方法及びプログラム |
| JP5957126B1 (ja) * | 2015-06-24 | 2016-07-27 | 日本電信電話株式会社 | 秘密計算装置、秘密計算方法、およびプログラム |
| CN107566121B (zh) * | 2016-11-18 | 2020-03-10 | 上海扈民区块链科技有限公司 | 一类高效的秘密共识方法 |
| CN107196764A (zh) * | 2017-07-19 | 2017-09-22 | 龙迅半导体（合肥）股份有限公司 | 一种rsa加解密处理方法和装置 |
-
2020
- 2020-01-20 WO PCT/JP2020/001683 patent/WO2021149106A1/ja not_active Ceased
- 2020-01-20 US US17/792,148 patent/US12166864B2/en active Active
- 2020-01-20 EP EP20915629.8A patent/EP4095830B1/en active Active
- 2020-01-20 JP JP2021572128A patent/JP7290178B2/ja active Active
- 2020-01-20 AU AU2020423806A patent/AU2020423806B2/en active Active
- 2020-01-20 CN CN202080093276.2A patent/CN114981860B/zh active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014164144A (ja) * | 2013-02-26 | 2014-09-08 | Nippon Telegr & Teleph Corp <Ntt> | 秘密表除算装置及び方法 |
Non-Patent Citations (3)
| Title |
|---|
| ALIASGARI, M. ET AL.: "Secure Computation on Floating Point Numbers", CRYPTOLOGY EPRINT ARCHIVE, vol. Paper 2012/405 ver:20121210:185402, JPN6023016973, 10 December 2012 (2012-12-10), pages 1 - 31, XP061007014, ISSN: 0005049695 * |
| 五十嵐大: "秘密計算ＡＩの実装に向けた秘密実数演算群の設計と実装ーO(|p|) ビット通信量O(1)ラウンドの実数向け右シ", コンピュータセキュリティシンポジウム2019論文集, JPN6023016974, 14 October 2019 (2019-10-14), pages 1557 - 1564, ISSN: 0005049693 * |
| 金岡晃 他: "実数演算可能な軽量秘密計算法の一考察", コンピュータセキュリティシンポジウム2014論文集, JPN6023016972, 15 October 2014 (2014-10-15), pages 682 - 687, ISSN: 0005049694 * |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2020423806A1 (en) | 2022-07-14 |
| AU2020423806B2 (en) | 2023-06-08 |
| EP4095830B1 (en) | 2024-10-30 |
| EP4095830A4 (en) | 2023-10-18 |
| JP7290178B2 (ja) | 2023-06-13 |
| CN114981860A (zh) | 2022-08-30 |
| CN114981860B (zh) | 2025-06-27 |
| EP4095830A1 (en) | 2022-11-30 |
| WO2021149106A1 (ja) | 2021-07-29 |
| US12166864B2 (en) | 2024-12-10 |
| US20230102267A1 (en) | 2023-03-30 |
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