WO2013005989A3 - 이동 기기에 대한 그룹 키 관리를 위한 방법 및 장치 - Google Patents

이동 기기에 대한 그룹 키 관리를 위한 방법 및 장치 Download PDF

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Publication number
WO2013005989A3
WO2013005989A3 PCT/KR2012/005312 KR2012005312W WO2013005989A3 WO 2013005989 A3 WO2013005989 A3 WO 2013005989A3 KR 2012005312 W KR2012005312 W KR 2012005312W WO 2013005989 A3 WO2013005989 A3 WO 2013005989A3
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WIPO (PCT)
Prior art keywords
key
group
counterpart
mobile device
group key
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PCT/KR2012/005312
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English (en)
French (fr)
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WO2013005989A2 (ko
Inventor
서경주
박영훈
서승우
제동현
배범식
백영교
최성호
정상수
Original Assignee
삼성전자주식회사
서울대학교산학협력단
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Application filed by 삼성전자주식회사, 서울대학교산학협력단 filed Critical 삼성전자주식회사
Priority to EP12807990.2A priority Critical patent/EP2731294B1/en
Priority to CN201280042987.2A priority patent/CN103918218B/zh
Priority to US14/130,829 priority patent/US9326136B2/en
Publication of WO2013005989A2 publication Critical patent/WO2013005989A2/ko
Publication of WO2013005989A3 publication Critical patent/WO2013005989A3/ko

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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
    • 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
    • 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
    • H04L63/065—Network architectures or network communication protocols for network security for supporting key management in a packet data network for group communications
    • 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
    • H04L63/068—Network architectures or network communication protocols for network security for supporting key management in a packet data network using time-dependent keys, e.g. periodically changing keys
    • 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)
    • H04L9/0822—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) using key encryption key
    • 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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
    • H04W12/041—Key generation or derivation
    • 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]
    • H04W12/043—Key management, e.g. using generic bootstrapping architecture [GBA] using a trusted network node as an anchor
    • H04W12/0431—Key distribution or pre-distribution; Key agreement
    • 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]
    • H04W12/047—Key management, e.g. using generic bootstrapping architecture [GBA] without using a trusted network node as an anchor
    • H04W12/0471—Key exchange
    • 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
    • H04L2209/26—Testing cryptographic entity, e.g. testing integrity of encryption key or encryption algorithm
    • 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
    • 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
    • H04L63/0442—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 wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical 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)

Abstract

본 발명은 그룹 키에 관한 것으로 키 분배 센터의 그룹 키 관리 방법에 있어서 이동 기기로부터 키 요청을 수신하는 과정과 상기 키 요청에는 이탈 시간 정보가 포함되어 있으며 상기 이동 기기에 대한 비밀 키를 생성하는 과정과 상기 이동 기기에 대한 공개 키와 검증 키를 생성하는 과정과 생성한 키를 포함하는 적어도 하나의 키를 상기 이동 기기로 전송하는 과정과, 상대방의 이탈시간, 상대방의 퍼블릭키, 상대방의 검증키로 상대방이 같은 그룹에 속하는지 검증하는 과정과, 같은 그룹에 속한 경우 그룹키의 버전을 비교하여 최신 버전의 그룹키를 가진 기기가 상대방기기로 최신 버전의 그룹키를 세션키로 암호화하여 전송하는 과정과, 수신한 상대방 기기는 그룹키를 복호화하여 갱신하는 과정을 포함하는 것으로 그룹 키를 사용함으로 인하여 데이터 전송에 드는 통신 비용을 줄일 수 있고, 그룹 키가 업데이트되었을 때, 기지국에서 그룹 키를 받지 못한 이동 기기들도 나중에 기지국이나 같은 그룹의 다른 이동 기기로부터 그룹 키를 전송받을 수 있는 이점이 있다.
PCT/KR2012/005312 2011-07-04 2012-07-04 이동 기기에 대한 그룹 키 관리를 위한 방법 및 장치 WO2013005989A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP12807990.2A EP2731294B1 (en) 2011-07-04 2012-07-04 Method and apparatus for managing group key for mobile device
CN201280042987.2A CN103918218B (zh) 2011-07-04 2012-07-04 用于管理移动设备的群密钥的方法和装置
US14/130,829 US9326136B2 (en) 2011-07-04 2012-07-04 Method and apparatus for managing group key for mobile device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110066137A KR101808188B1 (ko) 2011-07-04 2011-07-04 이동 기기에 대한 그룹 키 관리를 위한 방법 및 장치
KR10-2011-0066137 2011-07-04

Publications (2)

Publication Number Publication Date
WO2013005989A2 WO2013005989A2 (ko) 2013-01-10
WO2013005989A3 true WO2013005989A3 (ko) 2013-04-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/005312 WO2013005989A2 (ko) 2011-07-04 2012-07-04 이동 기기에 대한 그룹 키 관리를 위한 방법 및 장치

Country Status (5)

Country Link
US (1) US9326136B2 (ko)
EP (1) EP2731294B1 (ko)
KR (1) KR101808188B1 (ko)
CN (1) CN103918218B (ko)
WO (1) WO2013005989A2 (ko)

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CN104270516B (zh) * 2014-09-23 2019-05-24 中兴通讯股份有限公司 解密方法和移动终端
CN105516055B (zh) * 2014-09-23 2020-07-14 腾讯科技（深圳）有限公司 数据访问方法、访问设备、目标设备及管理服务器
CN106452736B (zh) * 2016-08-12 2019-05-17 数安时代科技股份有限公司 密钥协商方法和系统
US11025596B1 (en) * 2017-03-02 2021-06-01 Apple Inc. Cloud messaging system
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Also Published As

Publication number Publication date
KR101808188B1 (ko) 2017-12-13
EP2731294A4 (en) 2015-07-08
CN103918218A (zh) 2014-07-09
CN103918218B (zh) 2017-02-08
KR20130004841A (ko) 2013-01-14
EP2731294A2 (en) 2014-05-14
WO2013005989A2 (ko) 2013-01-10
US20140149745A1 (en) 2014-05-29
EP2731294B1 (en) 2019-09-04
US9326136B2 (en) 2016-04-26

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