CN104012028B - 加密数据管理装置以及加密数据管理方法 - Google Patents
加密数据管理装置以及加密数据管理方法 Download PDFInfo
- Publication number
- CN104012028B CN104012028B CN201180075670.4A CN201180075670A CN104012028B CN 104012028 B CN104012028 B CN 104012028B CN 201180075670 A CN201180075670 A CN 201180075670A CN 104012028 B CN104012028 B CN 104012028B
- Authority
- CN
- China
- Prior art keywords
- encrypted data
- vector
- basis
- key information
- key
- Prior art date
- 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.)
- Expired - Fee Related
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
- H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
-
- 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
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Computing Systems (AREA)
- Mathematical Analysis (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2011/079519 WO2013094018A1 (ja) | 2011-12-20 | 2011-12-20 | 暗号化データ管理装置、暗号化データ管理方法及び暗号化データ管理プログラム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104012028A CN104012028A (zh) | 2014-08-27 |
| CN104012028B true CN104012028B (zh) | 2016-10-26 |
Family
ID=48667946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180075670.4A Expired - Fee Related CN104012028B (zh) | 2011-12-20 | 2011-12-20 | 加密数据管理装置以及加密数据管理方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9237013B2 (enExample) |
| EP (1) | EP2797254A4 (enExample) |
| JP (1) | JP5668191B2 (enExample) |
| CN (1) | CN104012028B (enExample) |
| IN (1) | IN2014CN04197A (enExample) |
| WO (1) | WO2013094018A1 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023944B (zh) * | 2011-09-27 | 2015-11-25 | 腾讯科技(深圳)有限公司 | 一种sns网络中推送关联用户的方法及系统 |
| CN105264539B (zh) * | 2013-07-18 | 2018-02-27 | 日本电信电话株式会社 | 密钥云系统、解密方法、以及计算机可读取记录介质 |
| EP3057262B1 (en) | 2013-10-09 | 2021-07-28 | Mitsubishi Electric Corporation | Cipher system, encryption device, re-encryption key generation device, re-encryption device, and cipher program |
| US10140460B2 (en) | 2013-12-11 | 2018-11-27 | Mitsubishi Electric Corporation | File storage system and user terminal |
| WO2015107641A1 (ja) * | 2014-01-16 | 2015-07-23 | 三菱電機株式会社 | 暗号システム、鍵生成装置、再暗号化装置及びユーザ端末 |
| US11496893B2 (en) | 2014-10-07 | 2022-11-08 | Nippon Telegraph And Telephone Corporation | Secure computation system and relay device, and method, program, and recording medium thereof |
| JP6227187B2 (ja) * | 2015-02-20 | 2017-11-08 | 三菱電機株式会社 | データ保管装置及びデータ更新システム及びデータ処理方法及びデータ処理プログラム |
| US10592682B2 (en) | 2015-02-20 | 2020-03-17 | Mitsubishi Electric Corporation | Data storage apparatus, data processing method, and computer readable medium adding a user attribute of a revoked user to an embedded decryption condition while encrypted data remains in an encrypted state |
| US9811680B2 (en) | 2015-06-04 | 2017-11-07 | Microsoft Technology Licensing, Llc | Secure storage and sharing of data by hybrid encryption using predefined schema |
| WO2018008545A1 (ja) * | 2016-07-06 | 2018-01-11 | 日本電信電話株式会社 | 秘密計算システム、秘密計算装置、秘密計算方法、およびプログラム |
| JP6575547B2 (ja) | 2017-03-17 | 2019-09-18 | 富士ゼロックス株式会社 | ドキュメント管理システム |
| US10666422B2 (en) * | 2017-12-29 | 2020-05-26 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Data processing method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003506782A (ja) | 1999-08-09 | 2003-02-18 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 違法行為を防止するよう無効リストを更新するシステム及びその方法 |
| JP3833635B2 (ja) | 2003-07-30 | 2006-10-18 | 三井住友海上火災保険株式会社 | 情報管理システム、キー配信サーバ、情報管理方法、及びプログラム |
| EP2423903B1 (en) * | 2009-04-24 | 2014-07-16 | Nippon Telegraph And Telephone Corporation | Encryption apparatus, deccryption apparatus, encryption method, decryption method, security method, program, and recording medium |
| EP2464051B1 (en) * | 2009-08-03 | 2015-05-27 | Nippon Telegraph And Telephone Corporation | Function cipher application system |
| CN103038805B (zh) * | 2009-11-20 | 2015-07-29 | 三菱电机株式会社 | 密码处理系统、密钥生成装置、密钥转让装置、加密装置、解密装置、密码处理方法以及密码处理程序 |
| CN102713996A (zh) * | 2010-01-13 | 2012-10-03 | 三菱电机株式会社 | 隐匿检索系统以及公开参数生成装置以及加密装置以及用户秘密密钥生成装置以及查询发布装置以及检索装置以及计算机程序以及隐匿检索方法以及公开参数生成方法以及加密方法以及用户秘密密钥生成方法以及查询发布方法以及检索方法 |
| US8634563B2 (en) * | 2010-12-17 | 2014-01-21 | Microsoft Corporation | Attribute based encryption using lattices |
| US8516244B2 (en) * | 2011-06-10 | 2013-08-20 | Zeutro Llc | System, apparatus and method for decentralizing attribute-based encryption information |
-
2011
- 2011-12-20 IN IN4197CHN2014 patent/IN2014CN04197A/en unknown
- 2011-12-20 WO PCT/JP2011/079519 patent/WO2013094018A1/ja not_active Ceased
- 2011-12-20 JP JP2013549994A patent/JP5668191B2/ja not_active Expired - Fee Related
- 2011-12-20 CN CN201180075670.4A patent/CN104012028B/zh not_active Expired - Fee Related
- 2011-12-20 EP EP11878276.2A patent/EP2797254A4/en not_active Withdrawn
- 2011-12-20 US US14/355,043 patent/US9237013B2/en active Active
Non-Patent Citations (3)
| Title |
|---|
| Attribute Based Data Sharing with Attribute Revocation;Shucheng Yu等;《ASIACCS》;20100416;全文 * |
| Attribute-Based Encryption Supporting Direct/Indirect Revocation Modes;Nuttapong Attrapadung等;《 Cryptography and Coding 2009》;20091231;摘要,第279-284页 * |
| Fully Secure Functional Encryption with General Relations from the Decisional Linear Assumption;Tatsuaki Okamoto等;《Cryptology-CRYPTO 2010》;20101231;摘要,第192-200页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| IN2014CN04197A (enExample) | 2015-07-17 |
| EP2797254A4 (en) | 2015-10-28 |
| EP2797254A1 (en) | 2014-10-29 |
| JPWO2013094018A1 (ja) | 2015-04-27 |
| US20140310521A1 (en) | 2014-10-16 |
| US9237013B2 (en) | 2016-01-12 |
| WO2013094018A1 (ja) | 2013-06-27 |
| CN104012028A (zh) | 2014-08-27 |
| JP5668191B2 (ja) | 2015-02-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 |