BR9902942A - Método para a atualização dos dados compartilhados secretos em um sistema de comunicação sem fio. - Google Patents

Método para a atualização dos dados compartilhados secretos em um sistema de comunicação sem fio.

Info

Publication number
BR9902942A
BR9902942A BR9902942-1A BR9902942A BR9902942A BR 9902942 A BR9902942 A BR 9902942A BR 9902942 A BR9902942 A BR 9902942A BR 9902942 A BR9902942 A BR 9902942A
Authority
BR
Brazil
Prior art keywords
challenge
wireless communication
communication system
shared data
response
Prior art date
Application number
BR9902942-1A
Other languages
English (en)
Inventor
Sarvar Patel
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of BR9902942A publication Critical patent/BR9902942A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • 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
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
    • H04L9/0844—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • 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
    • H04L9/0891—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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3271—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using challenge-response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/30—Network data restoration; Network data reliability; Network data fault tolerance
    • 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
    • H04L2209/80—Wireless

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

<B>MéTODO PARA A ATUALIZAçãO DOS DADOS COMPARTILHADOS SECRETOS EM UM SISTEMA DE COMUNICAçãO SEM FIO<D> No método para a atualização dos dados compartilhados secretos (SSD) em um sistema de comunicação sem fio, uma primeira parte emite um primeiro número aleatório como um primeiro desafio caracterizado pelo fato de que a primeira parte é uma em uma rede e em um móvel. Uma segunda parte produz um segundo número aleatório em resposta ao primeiro desafio. A segunda parte é o móvel se a primeira parte for a rede, e a segunda parte é a rede se a primeira parte for o móvel. A segunda parte produz uma primeira resposta de desafio através da realização de uma função criptográfica provida de chaves (KCF) no primeiro desafio e no segundo número aleatório utilizando uma chave secundária, que não é o SSD e é derivada de uma chave raiz. A segunda parte transfere então o segundo número aleatório, como um segundo desafio, e a primeira resposta desafio à primeira parte. A primeira parte verifica a segunda parte com base no primeiro e no segundo desafios e na primeira resposta de desafio, produz uma segunda resposta de desafio através da realização da KCF no segundo desafio utilizando a chave secundária, e transfere a segunda resposta de desafio para a segunda parte. A segunda parte verifica a primeira parte com base no segundo desafio e na segunda resposta de desafio. Ambas as partes estabelecem respectivamente o SSD com base no primeiro e no segundo desafios.
BR9902942-1A 1998-07-31 1999-07-23 Método para a atualização dos dados compartilhados secretos em um sistema de comunicação sem fio. BR9902942A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/127,768 US6243811B1 (en) 1998-07-31 1998-07-31 Method for updating secret shared data in a wireless communication system

Publications (1)

Publication Number Publication Date
BR9902942A true BR9902942A (pt) 2000-05-09

Family

ID=22431850

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9902942-1A BR9902942A (pt) 1998-07-31 1999-07-23 Método para a atualização dos dados compartilhados secretos em um sistema de comunicação sem fio.

Country Status (9)

Country Link
US (1) US6243811B1 (pt)
EP (1) EP0977452B1 (pt)
JP (1) JP4024432B2 (pt)
KR (1) KR100625503B1 (pt)
CN (1) CN1249588A (pt)
BR (1) BR9902942A (pt)
CA (1) CA2277733A1 (pt)
DE (1) DE69937322T2 (pt)
TW (1) TW428409B (pt)

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Also Published As

Publication number Publication date
TW428409B (en) 2001-04-01
JP2000083017A (ja) 2000-03-21
DE69937322T2 (de) 2008-07-17
KR100625503B1 (ko) 2006-09-20
EP0977452A3 (en) 2000-12-20
US6243811B1 (en) 2001-06-05
DE69937322D1 (de) 2007-11-29
CA2277733A1 (en) 2000-01-31
KR20000011999A (ko) 2000-02-25
JP4024432B2 (ja) 2007-12-19
EP0977452A2 (en) 2000-02-02
CN1249588A (zh) 2000-04-05
EP0977452B1 (en) 2007-10-17

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