BR112015003216A2 - sistema de criptografia com base em atributos; sistema de comunicação; gerador de chave para utilização no sistema; e método de criptografia com base em atributos - Google Patents
sistema de criptografia com base em atributos; sistema de comunicação; gerador de chave para utilização no sistema; e método de criptografia com base em atributosInfo
- Publication number
- BR112015003216A2 BR112015003216A2 BR112015003216A BR112015003216A BR112015003216A2 BR 112015003216 A2 BR112015003216 A2 BR 112015003216A2 BR 112015003216 A BR112015003216 A BR 112015003216A BR 112015003216 A BR112015003216 A BR 112015003216A BR 112015003216 A2 BR112015003216 A2 BR 112015003216A2
- Authority
- BR
- Brazil
- Prior art keywords
- attribute
- based encryption
- key generator
- communication system
- encryption method
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
-
- 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
- H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
-
- 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
-
- 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
- H04L2209/76—Proxy, i.e. using intermediary entity to perform cryptographic operations
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Mobile Radio Communication Systems (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261684216P | 2012-08-17 | 2012-08-17 | |
| PCT/IB2013/055995 WO2014027263A2 (en) | 2012-08-17 | 2013-07-22 | Attribute-based encryption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112015003216A2 true BR112015003216A2 (pt) | 2017-07-04 |
Family
ID=49354712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112015003216A BR112015003216A2 (pt) | 2012-08-17 | 2013-07-22 | sistema de criptografia com base em atributos; sistema de comunicação; gerador de chave para utilização no sistema; e método de criptografia com base em atributos |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9800555B2 (pt) |
| EP (1) | EP2885893B1 (pt) |
| JP (1) | JP6173455B2 (pt) |
| CN (1) | CN104620535A (pt) |
| BR (1) | BR112015003216A2 (pt) |
| WO (1) | WO2014027263A2 (pt) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10764037B2 (en) * | 2014-12-23 | 2020-09-01 | Nokia Technologies Oy | Method and apparatus for duplicated data management in cloud computing |
| CN107113314B (zh) * | 2015-01-19 | 2020-06-19 | 诺基亚技术有限公司 | 用于云计算中的异构数据存储管理的方法和装置 |
| KR102532159B1 (ko) * | 2015-05-22 | 2023-05-16 | 베른도르프 반트 게엠베하 | 적어도 하나의 용접 시임을 포함한 엔드리스 벨트의 제조 방법 |
| SG10201508390PA (en) * | 2015-10-09 | 2017-05-30 | Singapore Man University | Data security system and method for operation thereof |
| BR112018016234A2 (pt) | 2016-02-23 | 2019-01-02 | Nchain Holdings Ltd | método implementado por computador para controlar o acesso a um recurso, sistemas baseados em computador e método para controle de acesso a uma carteira digital |
| SG11201806702XA (en) | 2016-02-23 | 2018-09-27 | Nchain Holdings Ltd | Personal device security using elliptic curve cryptography for secret sharing |
| EP4235552A3 (en) | 2016-02-23 | 2023-09-13 | nChain Licensing AG | Methods and systems for efficient transfer of entities on a peer-to-peer distributed ledger using the blockchain |
| EP3748903A1 (en) | 2016-02-23 | 2020-12-09 | Nchain Holdings Limited | Universal tokenisation system for blockchain-based cryptocurrencies |
| JP6511201B1 (ja) | 2016-02-23 | 2019-05-15 | エヌチェーン ホールディングス リミテッドＮｃｈａｉｎ Ｈｏｌｄｉｎｇｓ Ｌｉｍｉｔｅｄ | ブロックチェーンにより施行される洗練された取引のためのレジストリ及び自動管理方法 |
| MX2018010050A (es) | 2016-02-23 | 2019-01-21 | Nchain Holdings Ltd | Transacciones turing completas basadas en agente que integran retroalimentacion dentro de un sistema de cadena de bloques. |
| AU2017223138B2 (en) | 2016-02-23 | 2022-02-10 | nChain Holdings Limited | Method and system for efficient transfer of cryptocurrency associated with a payroll on a blockchain that leads to an automated payroll method and system based on smart contracts |
| CN116957790A (zh) | 2016-02-23 | 2023-10-27 | 区块链控股有限公司 | 一种实现区块链上交换的通证化方法及系统 |
| BR112018016821A2 (pt) | 2016-02-23 | 2018-12-26 | Nchain Holdings Ltd | sistema e métodos implementados por computador |
| CN108292402B (zh) | 2016-02-23 | 2022-10-04 | 恩链控股有限公司 | 用于信息的安全交换的公共秘密的确定和层级确定性密钥 |
| BR112018016819A2 (pt) | 2016-02-23 | 2018-12-26 | Nchain Holdings Ltd | método e sistemas para proteger um recurso digital controlado utilizando uma tabela de dispersão e livro-razão distribuídos e um blockchain |
| CN105915567A (zh) * | 2016-07-06 | 2016-08-31 | 杨炳 | 一种安全移动电子健康记录访问控制系统 |
| KR20200027921A (ko) * | 2017-04-28 | 2020-03-13 | 아이언코어 랩스 인코포레이티드 | 멀티-홉 변환 암호화를 통한 그룹들에 대한 직교 액세스 제어 |
| CN108390876B (zh) * | 2018-02-13 | 2021-12-14 | 西安电子科技大学 | 支持撤销外包可验证多授权中心访问控制方法、云服务器 |
| WO2019214942A1 (en) * | 2018-05-10 | 2019-11-14 | Telecom Italia S.P.A. | Protecting signaling messages in hop-by-hop network communication link |
| CN108880796B (zh) * | 2018-06-25 | 2021-04-27 | 电子科技大学 | 一种针对服务器高效的基于属性加密算法的外包解密方法 |
| KR20220012851A (ko) | 2019-05-30 | 2022-02-04 | 김봉만 | 대칭 키 암호화/교환을 위한 양자 내성 암호화 및 진보된 암호화 및 키 교환(aeke) 방법 |
| US11115395B2 (en) | 2019-07-23 | 2021-09-07 | Harris Global Communications, Inc. | Cross-domain information transfer system and associated methods |
| US11870917B2 (en) | 2020-03-26 | 2024-01-09 | Issam ANDONI | Systems and methods for facilitating policy-compliant end-to-end encryption for individuals between organizations |
| JP2024514711A (ja) * | 2021-04-26 | 2024-04-02 | エヌティーティー リサーチ インコーポレイテッド | 完全適応型セキュリティを有する分散型マルチオーソリティの属性ベース暗号化 |
| US20240275819A1 (en) * | 2023-02-15 | 2024-08-15 | International Business Machines Corporation | Secure system for hiding registration rules for dynamic client registration |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7426745B2 (en) * | 2003-04-24 | 2008-09-16 | International Business Machines Corporation | Methods and systems for transparent data encryption and decryption |
| CN101807991B (zh) * | 2009-02-18 | 2014-03-12 | 上海交通大学 | 密文政策属性基加密系统和方法 |
| WO2011045723A1 (en) * | 2009-10-15 | 2011-04-21 | Koninklijke Philips Electronics N.V. | Ciphertext-policy attribute-based encryption and re-encryption |
| JP5325755B2 (ja) * | 2009-12-11 | 2013-10-23 | 株式会社エヌ・ティ・ティ・データ | 暗号文復号権限委譲システム、暗号文復号権限委譲方法、暗号文変換装置、復号権限所持者用装置および暗号文変換プログラム |
| EP2609712A1 (en) * | 2010-08-24 | 2013-07-03 | Koninklijke Philips Electronics N.V. | Attribute-based digital signatures |
| US9049023B2 (en) * | 2011-05-24 | 2015-06-02 | Zeutro Llc | Outsourcing the decryption of functional encryption ciphertexts |
-
2013
- 2013-07-22 BR BR112015003216A patent/BR112015003216A2/pt not_active IP Right Cessation
- 2013-07-22 CN CN201380044170.3A patent/CN104620535A/zh active Pending
- 2013-07-22 EP EP13776561.6A patent/EP2885893B1/en not_active Not-in-force
- 2013-07-22 US US14/420,114 patent/US9800555B2/en active Active
- 2013-07-22 JP JP2015527038A patent/JP6173455B2/ja not_active Expired - Fee Related
- 2013-07-22 WO PCT/IB2013/055995 patent/WO2014027263A2/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN104620535A (zh) | 2015-05-13 |
| WO2014027263A2 (en) | 2014-02-20 |
| JP2015524945A (ja) | 2015-08-27 |
| US20150222605A1 (en) | 2015-08-06 |
| US9800555B2 (en) | 2017-10-24 |
| JP6173455B2 (ja) | 2017-08-02 |
| WO2014027263A3 (en) | 2014-04-10 |
| EP2885893B1 (en) | 2018-09-26 |
| EP2885893A2 (en) | 2015-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 6A ANUIDADE. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2524 DE 21-05-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |