BRPI0608201A2 - segredo compartilhado de contexto limitado - Google Patents

segredo compartilhado de contexto limitado

Info

Publication number
BRPI0608201A2
BRPI0608201A2 BRPI0608201-7A BRPI0608201A BRPI0608201A2 BR PI0608201 A2 BRPI0608201 A2 BR PI0608201A2 BR PI0608201 A BRPI0608201 A BR PI0608201A BR PI0608201 A2 BRPI0608201 A2 BR PI0608201A2
Authority
BR
Brazil
Prior art keywords
shared secret
information
communication
limited context
secret
Prior art date
Application number
BRPI0608201-7A
Other languages
English (en)
Inventor
Michael Paddon
Gregory Gordon Rose
James Semple
Philip Michael Hawkes
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BRPI0608201A2 publication Critical patent/BRPI0608201A2/pt

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer And Data Communications (AREA)
  • Storage Device Security (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)

Abstract

SEGREDO COMPARTILHADO DE CONTEXTO LIMITADO. Em um sistema de comunicação no qual duas entidades de comunicação buscam ter uma sessão de comunicação privada ou confidencial, uma relação de confiança necessita ser primeiramente estabelecida. A relação de confiança se baseia na determinação de um segredo compartilhado que, por sua vez, é gerado a partir de informações contextuais. As informações contextuais podem ser derivadas das circunstâncias que envolvem a sessão de comunicação. Por exemplo, as informações contextuais podem incluir informações topológicas, informações baseadas em tempo, e informações de transação. O segredo compartilhado pode ser auto-gerado ou recebido a partir de um terceiro. Em qualquer evento, o segredo compartilhado pode ser utilizado como material chave para qualquer protocolo criptográfico utilizado entre as entidades de comunicação.
BRPI0608201-7A 2005-02-11 2006-02-10 segredo compartilhado de contexto limitado BRPI0608201A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65206305P 2005-02-11 2005-02-11
PCT/US2006/004901 WO2006086721A2 (en) 2005-02-11 2006-02-10 Context limited shared secret

Publications (1)

Publication Number Publication Date
BRPI0608201A2 true BRPI0608201A2 (pt) 2009-12-01

Family

ID=36658733

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0608201-7A BRPI0608201A2 (pt) 2005-02-11 2006-02-10 segredo compartilhado de contexto limitado

Country Status (14)

Country Link
US (1) US8726019B2 (pt)
EP (1) EP1847063A2 (pt)
JP (4) JP2008530917A (pt)
KR (1) KR100961087B1 (pt)
CN (1) CN101156346B (pt)
AU (1) AU2006213650A1 (pt)
BR (1) BRPI0608201A2 (pt)
CA (1) CA2597763A1 (pt)
IL (1) IL185212A0 (pt)
MX (1) MX2007009790A (pt)
NO (1) NO20074571L (pt)
RU (1) RU2392754C2 (pt)
TW (1) TW200701722A (pt)
WO (1) WO2006086721A2 (pt)

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US9830588B2 (en) 2013-02-26 2017-11-28 Digimarc Corporation Methods and arrangements for smartphone payments
US10841289B2 (en) 2013-03-18 2020-11-17 Digimarc Corporation Mobile devices as security tokens
US9419977B2 (en) * 2014-01-24 2016-08-16 Verizon Patent And Licensing Inc. Method and apparatus for providing value-based resource management and admission control
US9608810B1 (en) 2015-02-05 2017-03-28 Ionic Security Inc. Systems and methods for encryption and provision of information security using platform services
RU2693920C1 (ru) * 2015-10-30 2019-07-05 Телефонактиеболагет Лм Эрикссон (Пабл) Установление секрета, совместно используемого между первым устройством связи и по меньшей мере одним вторым устройством связи
US10740474B1 (en) 2015-12-28 2020-08-11 Ionic Security Inc. Systems and methods for generation of secure indexes for cryptographically-secure queries
US10503730B1 (en) 2015-12-28 2019-12-10 Ionic Security Inc. Systems and methods for cryptographically-secure queries using filters generated by multiple parties
US11658810B2 (en) * 2016-03-23 2023-05-23 Telefonaktiebolaget Lm Ericsson (Publ) Cyber-physical context-dependent cryptography
US11210412B1 (en) 2017-02-01 2021-12-28 Ionic Security Inc. Systems and methods for requiring cryptographic data protection as a precondition of system access
US10505723B1 (en) 2017-04-26 2019-12-10 Wells Fargo Bank, N.A. Secret sharing information management and security system
US10931448B2 (en) 2018-06-28 2021-02-23 DISH Technologies L.L.C. Authentication through secure sharing of digital secrets previously established between devices
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Also Published As

Publication number Publication date
NO20074571L (no) 2007-11-08
WO2006086721A3 (en) 2007-04-12
CN101156346B (zh) 2012-04-18
JP2008530917A (ja) 2008-08-07
JP6377669B2 (ja) 2018-08-22
RU2392754C2 (ru) 2010-06-20
EP1847063A2 (en) 2007-10-24
AU2006213650A1 (en) 2006-08-17
US20070174613A1 (en) 2007-07-26
KR20070102749A (ko) 2007-10-19
CA2597763A1 (en) 2006-08-17
IL185212A0 (en) 2008-01-06
MX2007009790A (es) 2007-11-06
WO2006086721A2 (en) 2006-08-17
JP2014150567A (ja) 2014-08-21
US8726019B2 (en) 2014-05-13
RU2007133798A (ru) 2009-03-20
CN101156346A (zh) 2008-04-02
KR100961087B1 (ko) 2010-06-07
TW200701722A (en) 2007-01-01
JP2016192768A (ja) 2016-11-10
JP2011227905A (ja) 2011-11-10

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Legal Events

Date Code Title Description
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: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2161 DE 05/06/2012.