WO2008087734A1 - 暗号文生成装置及び暗号通信システム及び群パラメータ生成装置 - Google Patents
暗号文生成装置及び暗号通信システム及び群パラメータ生成装置 Download PDFInfo
- Publication number
- WO2008087734A1 WO2008087734A1 PCT/JP2007/050766 JP2007050766W WO2008087734A1 WO 2008087734 A1 WO2008087734 A1 WO 2008087734A1 JP 2007050766 W JP2007050766 W JP 2007050766W WO 2008087734 A1 WO2008087734 A1 WO 2008087734A1
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- WIPO (PCT)
- Prior art keywords
- cryptogram
- generating device
- generating section
- integer
- communication system
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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
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
- H04L9/3073—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Algebra (AREA)
- Computing Systems (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
- Computer And Data Communications (AREA)
Abstract
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/523,827 US8290146B2 (en) | 2007-01-19 | 2007-01-19 | Ciphertext generating apparatus, cryptographic communication system, and group parameter generating apparatus |
JP2008553935A JP4859933B2 (ja) | 2007-01-19 | 2007-01-19 | 暗号文生成装置及び暗号通信システム及び群パラメータ生成装置 |
CN200780051866.3A CN101617351B (zh) | 2007-01-19 | 2007-01-19 | 密文生成装置、密码通信***以及群参数生成装置 |
PCT/JP2007/050766 WO2008087734A1 (ja) | 2007-01-19 | 2007-01-19 | 暗号文生成装置及び暗号通信システム及び群パラメータ生成装置 |
EP07713653.9A EP2120227B1 (en) | 2007-01-19 | 2007-01-19 | Cryptogram generating device, cryptogram communication system, and group parameter generating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/050766 WO2008087734A1 (ja) | 2007-01-19 | 2007-01-19 | 暗号文生成装置及び暗号通信システム及び群パラメータ生成装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008087734A1 true WO2008087734A1 (ja) | 2008-07-24 |
Family
ID=39635743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/050766 WO2008087734A1 (ja) | 2007-01-19 | 2007-01-19 | 暗号文生成装置及び暗号通信システム及び群パラメータ生成装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8290146B2 (ja) |
EP (1) | EP2120227B1 (ja) |
JP (1) | JP4859933B2 (ja) |
CN (1) | CN101617351B (ja) |
WO (1) | WO2008087734A1 (ja) |
Cited By (3)
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CN101938481A (zh) * | 2010-09-06 | 2011-01-05 | 华南理工大学 | 基于数字证书的文件加密和分发方法 |
CN103370660A (zh) * | 2011-02-16 | 2013-10-23 | 三菱电机株式会社 | 可编程逻辑控制器以及可编程逻辑控制器的密码保存方法 |
US10404718B2 (en) * | 2015-12-17 | 2019-09-03 | Robert Bosch Gmbh | Method and device for transmitting software |
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US8625784B2 (en) * | 2006-12-22 | 2014-01-07 | Samsung Electronics Co., Ltd. | Broadcast encryption method and broadcast decryption method thereof |
US8448719B2 (en) * | 2007-08-09 | 2013-05-28 | Nec Corporation | Key exchange device |
WO2009104260A1 (ja) * | 2008-02-20 | 2009-08-27 | 三菱電機株式会社 | 検証装置 |
KR101362443B1 (ko) * | 2009-08-03 | 2014-02-11 | 니뽄 덴신 덴와 가부시키가이샤 | 함수 암호 응용 시스템, 정보 출력 장치, 정보 처리 장치, 암호 프로토콜 실행 방법, 정보 출력 방법, 정보 처리 방법, 프로그램, 및 기록 매체 |
EP2330772A1 (fr) * | 2009-12-01 | 2011-06-08 | Gemalto SA | Procédé de chiffrement à clef publique sans certificat |
WO2011068996A1 (en) * | 2009-12-04 | 2011-06-09 | Cryptography Research, Inc. | Verifiable, leak-resistant encryption and decryption |
US8650311B2 (en) * | 2010-04-22 | 2014-02-11 | Cisco Technology, Inc. | Client device configured to connect with a home network |
JP5424974B2 (ja) * | 2010-04-27 | 2014-02-26 | 三菱電機株式会社 | 暗号処理システム、鍵生成装置、暗号化装置、復号装置、署名処理システム、署名装置及び検証装置 |
JP2012084071A (ja) | 2010-10-14 | 2012-04-26 | Toshiba Corp | デジタルコンテンツの保護方法、復号方法、再生装置、記憶媒体、暗号装置 |
KR101233254B1 (ko) * | 2011-04-26 | 2013-02-14 | 숭실대학교산학협력단 | 가변길이 인증코드를 사용하는 무선 통신 단말간 세션키 공유 방법 |
US9219714B2 (en) * | 2011-05-31 | 2015-12-22 | Samsung Sds Co., Ltd. | ID-based encryption and signature method and terminal |
US8661527B2 (en) | 2011-08-31 | 2014-02-25 | Kabushiki Kaisha Toshiba | Authenticator, authenticatee and authentication method |
US8984114B2 (en) * | 2011-10-06 | 2015-03-17 | Varmour Networks, Inc. | Dynamic session migration between network security gateways |
JP5275432B2 (ja) | 2011-11-11 | 2013-08-28 | 株式会社東芝 | ストレージメディア、ホスト装置、メモリ装置、及びシステム |
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US8774410B1 (en) * | 2011-12-23 | 2014-07-08 | Emc Corporation | Secret sharing in cryptographic devices via controlled release of plaintext information |
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KR101493212B1 (ko) * | 2012-10-31 | 2015-02-23 | 삼성에스디에스 주식회사 | 아이디 기반 암호화, 복호화 방법 및 이를 수행하기 위한 장치 |
EP2947810B1 (en) * | 2013-01-16 | 2021-07-14 | Mitsubishi Electric Corporation | Encryption system, re-encryption key generation device, re-encryption device, encryption method and encryption program |
US9201811B2 (en) | 2013-02-14 | 2015-12-01 | Kabushiki Kaisha Toshiba | Device and authentication method therefor |
US8984294B2 (en) | 2013-02-15 | 2015-03-17 | Kabushiki Kaisha Toshiba | System of authenticating an individual memory device via reading data including prohibited data and readable data |
JP6238774B2 (ja) | 2013-02-21 | 2017-11-29 | キヤノン株式会社 | ハッシュ値生成装置 |
US20140245024A1 (en) * | 2013-02-28 | 2014-08-28 | Kabushiki Kaisha Toshiba | Device and authentication method therefor |
JP6113091B2 (ja) | 2013-03-07 | 2017-04-12 | キヤノン株式会社 | ハッシュ値生成装置 |
US10778680B2 (en) | 2013-08-02 | 2020-09-15 | Alibaba Group Holding Limited | Method and apparatus for accessing website |
EP2860905A1 (en) * | 2013-10-09 | 2015-04-15 | Thomson Licensing | Method for ciphering a message via a keyed homomorphic encryption function, corresponding electronic device and computer program product |
JP6053966B2 (ja) * | 2014-01-14 | 2016-12-27 | 三菱電機株式会社 | 暗号システム及び再暗号化装置 |
US9973472B2 (en) | 2015-04-02 | 2018-05-15 | Varmour Networks, Inc. | Methods and systems for orchestrating physical and virtual switches to enforce security boundaries |
JP6199335B2 (ja) * | 2014-06-05 | 2017-09-20 | Kddi株式会社 | 通信ネットワークシステム及びメッセージ検査方法 |
US9525697B2 (en) | 2015-04-02 | 2016-12-20 | Varmour Networks, Inc. | Delivering security functions to distributed networks |
US9483317B1 (en) | 2015-08-17 | 2016-11-01 | Varmour Networks, Inc. | Using multiple central processing unit cores for packet forwarding in virtualized networks |
CN106911466A (zh) * | 2015-12-22 | 2017-06-30 | 武汉奇致激光技术股份有限公司 | 一种软硬件结合的加密方法 |
US10129026B2 (en) * | 2016-05-03 | 2018-11-13 | Certicom Corp. | Method and system for cheon resistant static diffie-hellman security |
DE102016008267A1 (de) * | 2016-07-07 | 2018-01-11 | Giesecke+Devrient Mobile Security Gmbh | Einrichtung eines sicheren Kommunikationskanals |
CN110089071B (zh) * | 2016-11-04 | 2023-02-17 | 诺基亚技术有限公司 | 安全的分布式数据处理 |
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US11005663B2 (en) * | 2018-08-13 | 2021-05-11 | Seagate Technology Llc | Secure audit scheme in a distributed data storage system |
Citations (2)
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JPH11288214A (ja) * | 1998-03-04 | 1999-10-19 | Lucent Technol Inc | 暗号化方法 |
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-
2007
- 2007-01-19 JP JP2008553935A patent/JP4859933B2/ja active Active
- 2007-01-19 WO PCT/JP2007/050766 patent/WO2008087734A1/ja active Application Filing
- 2007-01-19 EP EP07713653.9A patent/EP2120227B1/en not_active Not-in-force
- 2007-01-19 CN CN200780051866.3A patent/CN101617351B/zh not_active Expired - Fee Related
- 2007-01-19 US US12/523,827 patent/US8290146B2/en not_active Expired - Fee Related
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101938481A (zh) * | 2010-09-06 | 2011-01-05 | 华南理工大学 | 基于数字证书的文件加密和分发方法 |
CN103370660A (zh) * | 2011-02-16 | 2013-10-23 | 三菱电机株式会社 | 可编程逻辑控制器以及可编程逻辑控制器的密码保存方法 |
US10404718B2 (en) * | 2015-12-17 | 2019-09-03 | Robert Bosch Gmbh | Method and device for transmitting software |
Also Published As
Publication number | Publication date |
---|---|
EP2120227A4 (en) | 2012-05-30 |
JPWO2008087734A1 (ja) | 2010-05-06 |
US8290146B2 (en) | 2012-10-16 |
CN101617351B (zh) | 2011-06-22 |
EP2120227B1 (en) | 2015-04-15 |
US20100104094A1 (en) | 2010-04-29 |
CN101617351A (zh) | 2009-12-30 |
EP2120227A1 (en) | 2009-11-18 |
JP4859933B2 (ja) | 2012-01-25 |
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