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 atributos

Info

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
Application number
BR112015003216A
Other languages
English (en)
Portuguese (pt)
Inventor
Asim Muhammad
Ignatenko Tanya
Original Assignee
Koninklijke Philips Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of BR112015003216A2 publication Critical patent/BR112015003216A2/pt

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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Storage Device Security (AREA)
BR112015003216A 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 BR112015003216A2 (pt)

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 (https=)
EP (1) EP2885893B1 (https=)
JP (1) JP6173455B2 (https=)
CN (1) CN104620535A (https=)
BR (1) BR112015003216A2 (https=)
WO (1) WO2014027263A2 (https=)

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WO2016187630A1 (de) * 2015-05-22 2016-12-01 Berndorf Band Gmbh VERFAHREN ZUR HERSTELLUNG EINES ENDLOSBANDES MIT ZUMINDEST EINER SCHWEIßNAHT
SG10201508390PA (en) * 2015-10-09 2017-05-30 Singapore Man University Data security system and method for operation thereof
EP3860037A1 (en) 2016-02-23 2021-08-04 Nchain Holdings Limited Cryptographic method and system for secure extraction of data from a blockchain
EP3420507A1 (en) 2016-02-23 2019-01-02 Nchain Holdings Limited Tokenisation method and system for implementing exchanges on a blockchain
CN109417465B (zh) 2016-02-23 2021-01-15 区块链控股有限公司 区块链执行的智能合约的注册和自动化管理方法
WO2017145016A1 (en) 2016-02-23 2017-08-31 nChain Holdings Limited Determining a common secret for the secure exchange of information and hierarchical, deterministic cryptographic keys
AU2017222468B2 (en) 2016-02-23 2023-01-12 nChain Holdings Limited Agent-based turing complete transactions integrating feedback within a blockchain system
EP4369273B1 (en) 2016-02-23 2025-11-05 nChain Licensing AG A method and system for securing computer software using a distributed hash table and a blockchain
AU2017222421B2 (en) 2016-02-23 2022-09-01 nChain Holdings Limited Personal device security using elliptic curve cryptography for secret sharing
SG11201806704TA (en) 2016-02-23 2018-09-27 Nchain Holdings Ltd Blockchain-based exchange with tokenisation
EP3855677B1 (en) 2016-02-23 2025-11-12 nChain Licensing AG Blockchain-implemented method for control and distribution of digital content
EP3420518B1 (en) 2016-02-23 2023-08-23 nChain Licensing AG Methods and systems for efficient transfer of entities on a peer-to-peer distributed ledger using the blockchain
EA201891832A1 (ru) 2016-02-23 2019-02-28 Нчейн Холдингс Лимитед Универсальная система токенизации для криптовалют на основе блокчейна
SG11201806711QA (en) 2016-02-23 2018-09-27 Nchain Holdings Ltd 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
CN114282928B (zh) * 2016-02-23 2026-02-17 恩链控股有限公司 基于区块链系统结合钱包管理系统的加密密钥存储和转移
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
WO2018201062A1 (en) * 2017-04-28 2018-11-01 IronCore Labs, Inc. Orthogonal access control for groups via multi-hop transform encryption
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
US11647006B2 (en) * 2018-05-10 2023-05-09 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
US12489627B2 (en) * 2021-04-26 2025-12-02 Ntt Research, Inc. Decentralized multi-authority attribute-based encryption with fully adaptive security
US20230179634A1 (en) * 2021-12-02 2023-06-08 International Business Machines Corporation Secure policy distribution in a cloud environment
US20240275819A1 (en) * 2023-02-15 2024-08-15 International Business Machines Corporation Secure system for hiding registration rules for dynamic client registration
US12034832B1 (en) * 2023-05-22 2024-07-09 Atofia Llc Systems and methods for data encryption, decryption, and authentication

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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
BR112013004074A2 (pt) * 2010-08-24 2016-07-26 Koninkl Philips Electronics Nv sistema de assinatura digital com base em atributo, estação de trabalho, método de geração de assinatura digital com base em atributo e produto de programa de computador
US9049023B2 (en) * 2011-05-24 2015-06-02 Zeutro Llc Outsourcing the decryption of functional encryption ciphertexts

Also Published As

Publication number Publication date
WO2014027263A2 (en) 2014-02-20
EP2885893A2 (en) 2015-06-24
WO2014027263A3 (en) 2014-04-10
EP2885893B1 (en) 2018-09-26
JP2015524945A (ja) 2015-08-27
US9800555B2 (en) 2017-10-24
JP6173455B2 (ja) 2017-08-02
CN104620535A (zh) 2015-05-13
US20150222605A1 (en) 2015-08-06

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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.