KR20060126890A - 무선망에서의 고속 로밍 서비스 방법 - Google Patents
무선망에서의 고속 로밍 서비스 방법 Download PDFInfo
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- KR20060126890A KR20060126890A KR1020060117966A KR20060117966A KR20060126890A KR 20060126890 A KR20060126890 A KR 20060126890A KR 1020060117966 A KR1020060117966 A KR 1020060117966A KR 20060117966 A KR20060117966 A KR 20060117966A KR 20060126890 A KR20060126890 A KR 20060126890A
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- mobile terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
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- 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
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
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- 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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
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- 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
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
- H04L9/0833—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
- H04L9/0836—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key using tree structure or hierarchical structure
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
- H04W12/062—Pre-authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
- H04L2463/061—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying further key derivation, e.g. deriving traffic keys from a pair-wise master key
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
Claims (8)
- 이동 단말기에 대한 인증 및 과금을 관리하는 서버와, 상기 서버에 결합된 복수의 접속점들로 이루어진 무선망에서, 상기 이동 단말기에 대한 로밍 서비스를 지원하는 방법에 있어서,상기 서버가 상기 복수의 접속점들 중 하나인 제1접속점으로부터 상기 이동 단말기와의 결합에 따른 결합 정보를 보고 받는 과정;상기 서버가 상기 제1접속점과 상기 이동 단말기의 결합이 완료되었음을 적어도 하나의 인접 접속점으로 통보하는 과정; 및상기 적어도 하나의 인접 접속점에 의해 상기 이동 단말기에 대응한 보안 키의 전송이 요청될 시, 상기 서버가 상기 결합 정보에 의해 생성된 보안 키를 상기 적어도 하나의 인접 접속점으로 전송하는 과정을 포함하며,여기서 상기 인접 접속점은 상기 복수의 접속점들 중 상기 제1접속점에 인접하여 존재하는 접속점이며, 상기 이동 단말기가 상기 적어도 하나의 인접 접속점으로 로밍을 시도할 시 상기 서버에 의해 제공된 보안 키에 의해 인증을 수행하는 로밍 서비스 지원 방법.
- 제1항에 있어서, 상기 결합 정보는, 제1레벨 쌍방향 마스터 키(PMK; Pairwise Master Key), 상기 이동 단말기의 맥 어드레스를 포함함을 특징으로 하는 로밍 서비스 지원 방법.
- 제2항에 있어서, 상기 제1레벨 쌍방향 마스터 키(PMK; Pairwise Master Key)는 상기 제1접속점에 의해 마스터 키로부터 파생됨을 특징으로 하는 로밍 서비스 지원 방법.
- 제3항에 있어서, 상기 서버에 의해 상기 적어도 하나의 인접 접속점으로 전송되는 보안 키는, 상기 제1레벨 쌍방향 마스터 키(PMK; Pairwise Master Key)로부터 파생된 제2레벨 쌍방향 마스터 키(PMK; Pairwise Master Key)임을 특징으로 하는 로밍 서비스 지원 방법.
- 이동 단말기에 대한 인증 및 과금을 관리하는 서버와, 상기 서버에 결합된 복수의 접속점들로 이루어진 무선망에서, 상기 이동 단말기에 대한 로밍 서비스를 지원하는 방법에 있어서,상기 서버가 상기 복수의 접속점들 중 하나인 제1접속점으로 상기 이동 단말기가 결합을 시도할 시, 상기 제1접속점과 상기 이동 단말기 간에 사용될 제1레벨 쌍방향 마스터 키(PMK; Pairwise Master Key)를 생성하는 과정;상기 제1레벨 쌍방향 마스터 키(PMK; Pairwise Master Key)로부터 제2레벨 쌍방향 마스터 키(PMK; Pairwise Master Key)를 파생하는 과정; 및상기 제2레벨 쌍방향 마스터 키(PMK; Pairwise Master Key)를 상기 제1접속점에 인접하여 존재하는 적어도 하나의 인접 접속점으로 전송하는 과정을 포함하며,여기서 상기 이동 단말기가 상기 적어도 하나의 인접 접속점으로 로밍을 시도할 시 상기 서버에 의해 제공된 보안 키에 의해 인증을 수행하는 로밍 서비스 지원 방법.
- 제5항에 있어서, 상기 제1접속점은 상기 제1레벨 쌍방향 마스터 키(PMK; Pairwise Master Key)의 생성을 위해 상기 서버로 상기 이동 단말기의 맥 어드레스를 제공함을 특징으로 하는 로밍 서비스 지원 방법.
- 제6항에 있어서, 상기 제1레벨 쌍방향 마스터 키(PMK; Pairwise Master Key)는 상기 서버가 미리 알고 있는 마스터 키로부터 파생됨을 특징으로 하는 로밍 서비스 지원 방법.
- 제5항에 있어서, 상기 서버는 제2레벨 쌍방향 마스터 키를 생성하기 위하여 상기 인접 접속점의 맥 어드레스 정보를 이용하는 것을 특징으로 하는 로밍 서비스 지원 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US43989103P | 2003-01-14 | 2003-01-14 | |
US60/439,891 | 2003-01-14 |
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KR1020040002779A Division KR100713312B1 (ko) | 2003-01-14 | 2004-01-14 | 무선망에서의 고속 로밍 서비스 방법 |
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KR20060126890A true KR20060126890A (ko) | 2006-12-11 |
KR100744313B1 KR100744313B1 (ko) | 2007-07-30 |
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KR1020040002779A KR100713312B1 (ko) | 2003-01-14 | 2004-01-14 | 무선망에서의 고속 로밍 서비스 방법 |
KR1020060117965A KR100744314B1 (ko) | 2003-01-14 | 2006-11-27 | 무선망에서의 보안 키 생성방법 |
KR1020060117964A KR100744312B1 (ko) | 2003-01-14 | 2006-11-27 | 무선망에서의 고속 로밍 서비스 방법 |
KR1020060117966A KR100744313B1 (ko) | 2003-01-14 | 2006-11-27 | 무선망에서의 고속 로밍 서비스 방법 |
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KR1020040002779A KR100713312B1 (ko) | 2003-01-14 | 2004-01-14 | 무선망에서의 고속 로밍 서비스 방법 |
KR1020060117965A KR100744314B1 (ko) | 2003-01-14 | 2006-11-27 | 무선망에서의 보안 키 생성방법 |
KR1020060117964A KR100744312B1 (ko) | 2003-01-14 | 2006-11-27 | 무선망에서의 고속 로밍 서비스 방법 |
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US (3) | US7263357B2 (ko) |
EP (2) | EP1439667B1 (ko) |
JP (1) | JP3863147B2 (ko) |
KR (4) | KR100713312B1 (ko) |
CN (2) | CN101043746B (ko) |
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CN101043746B (zh) | 2012-08-22 |
KR100744312B1 (ko) | 2007-07-30 |
US7263357B2 (en) | 2007-08-28 |
EP1439667B1 (en) | 2016-07-27 |
KR100744313B1 (ko) | 2007-07-30 |
JP2004222300A (ja) | 2004-08-05 |
JP3863147B2 (ja) | 2006-12-27 |
US7929948B2 (en) | 2011-04-19 |
EP2019518B1 (en) | 2015-08-26 |
KR100744314B1 (ko) | 2007-07-30 |
EP1439667A2 (en) | 2004-07-21 |
EP1439667A3 (en) | 2007-12-26 |
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