Global Patent Index - EP 1695480 A4

EP 1695480 A4 20120829 - METHOD AND APPARATUS FOR AUTHENTICATING SUBSCRIBER AND NETWORK IN WIRELESS INTERNET SYSTEM

Title (en)

METHOD AND APPARATUS FOR AUTHENTICATING SUBSCRIBER AND NETWORK IN WIRELESS INTERNET SYSTEM

Title (de)

VERFAHREN UND VORRICHTUNG ZUM AUTHENTIFIZIEREN EINES TEILNEHMERS UND NETZWERKS IN EINEM DRAHTLOSEN INTERNET-SYSTEM

Title (fr)

PROCEDE ET APPAREIL POUR AUTHENTIFIER UN ABONNE ET UN RESEAU DANS UN SYSTEME INTERNET SANS FIL

Publication

EP 1695480 A4 20120829 (EN)

Application

EP 04774379 A 20040823

Priority

  • KR 2004002118 W 20040823
  • KR 20030092564 A 20031217

Abstract (en)

[origin: WO2005060150A1] Provided are a method and an apparatus for authenticating a subscriber and a network, by which the subscriber and the network are provided with mutual authentication and share a key in a wireless Internet system. An authentication server generates information RES1, which is used by a mobile station for network authentication, using a private key and a first random number; and generates information XRES2, which is used for subscriber authentication, using the private key and a second random number. The mobile station generates network authentication information XRES1 using the private key and the first random number; and generates subscriber authentication information RES2 using the private key and the second random number. The mobile station compares the XRES1 with the RES1 to authenticate the network, and a gateway connected to the authentication server compares the XRES2 with the RES2 to authenticate the subscriber. Accordingly, an unauthorized user is prevented from using a network, and a subscriber's personal information is protected from being revealed to a fake server.

IPC 8 full level

H04L 29/06 (2006.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01); H04L 12/56 (2006.01)

CPC (source: EP KR)

H04L 9/0869 (2013.01 - EP); H04L 9/14 (2013.01 - EP); H04L 9/321 (2013.01 - EP); H04L 9/3273 (2013.01 - EP); H04L 63/0869 (2013.01 - EP); H04W 12/06 (2013.01 - EP KR); H04L 63/061 (2013.01 - EP); H04L 63/0853 (2013.01 - EP); H04L 2209/80 (2013.01 - EP); H04W 12/72 (2021.01 - EP); H04W 48/10 (2013.01 - EP); H04W 80/04 (2013.01 - EP); H04W 88/16 (2013.01 - EP)

Citation (search report)

  • [I] WO 0203730 A1 20020110 - NOKIA CORP [FI], et al
  • [I] WO 0176134 A1 20011011 - NOKIA CORP [FI]
  • [A] ANDREW S. TANENBAUM: "Computer Networks (4th Edition)", 19 August 2002, PRENTICE HALL PTR, pages: 786 - 788, XP002679622
  • See references of WO 2005060150A1

Designated contracting state (EPC)

FR GB

DOCDB simple family (publication)

WO 2005060150 A1 20050630; CN 1918843 A 20070221; CN 1918843 B 20110209; EP 1695480 A1 20060830; EP 1695480 A4 20120829; KR 100546778 B1 20060125; KR 20050060839 A 20050622

DOCDB simple family (application)

KR 2004002118 W 20040823; CN 200480041723 A 20040823; EP 04774379 A 20040823; KR 20030092564 A 20031217