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1. WO2010024287 - TERMINAL AUTHENTICATING SYSTEM, WIRELESS TERMINAL, AUTHENTICATING APPARATUS AND TERMINAL AUTHENTICATING METHOD

Publication Number WO/2010/024287
Publication Date 04.03.2010
International Application No. PCT/JP2009/064854
International Filing Date 26.08.2009
IPC
H04L 9/32 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Arrangements for secret or secure communication
32including means for verifying the identity or authority of a user of the system
CPC
H04L 2209/80
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
2209Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
80Wireless
H04L 9/3221
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Cryptographic mechanisms or cryptographic; arrangements for secret or secure communication
32including 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
3218using proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs
3221interactive zero-knowledge proofs
H04W 12/0609
Applicants
  • 京セラ株式会社 KYOCERA CORPORATION [JP]/[JP] (AllExceptUS)
  • 飯室 一敬 IIMURO, Kazutaka [JP]/[JP] (UsOnly)
Inventors
  • 飯室 一敬 IIMURO, Kazutaka
Agents
  • キュリーズ特許業務法人 Curiuse Patent Professional Corporation
Priority Data
2008-22012028.08.2008JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) TERMINAL AUTHENTICATING SYSTEM, WIRELESS TERMINAL, AUTHENTICATING APPARATUS AND TERMINAL AUTHENTICATING METHOD
(FR) SYSTÈME D’AUTHENTIFICATION DE TERMINAL, TERMINAL SANS FIL, APPAREIL D’AUTHENTIFICATION ET PROCÉDÉ D’AUTHENTIFICATION DE TERMINAL
(JA) 端末認証システム、無線端末、認証装置および端末認証方法
Abstract
(EN) A wireless terminal (MS) comprises a storing unit (130) that holds, in advance, an electronic certificate and authenticating information, said authenticating information being valid even beyond its validity term and indicating that the wireless terminal (MS) has an access right; and a zero knowledge interactive proof executing unit (123) that, when a validity term established for the electronic certificate has expired, executes, together with a wireless base station (BS), a zero knowledge interactive proof protocol, which proves that the authenticating information is held, by transmitting and receiving information other than the authenticating information to and from the wireless base station (BS) a plurality of times.  When it has been proved by the zero knowledge interactive proof protocol that the wireless terminal (MS) holds the authenticating information, the wireless base station (BS) transmits a new electronic certificate, the validity term of which has been updated, to the wireless terminal (MS).
(FR) La présente invention concerne un terminal sans fil (MS) comportant une unité de stockage (130) détenant par avance un certificat électronique et une information d’authentification, ladite information d’authentification étant valide même au-delà de son terme de validité et indiquant que le terminal sans fil (MS) détient un droit d’accès ; et une unité d’exécution de preuve interactive à connaissance nulle (133) qui, lorsqu’un terme de validité établi pour le certificat électronique a expiré, exécute, conjointement avec une station de base (BS), un protocole de preuve interactive à connaissance nulle, qui prouve que l’information d’authentification est détenue, par la transmission et la réception d’information autre que l’information d’authentification vers et depuis la station de base (BS) à plusieurs reprises. Lorsqu’il a été prouvé par le protocole de preuve interactive à connaissance nulle que le terminal sans fil (MS) détient l’information d’authentification, la station de base sans fil (BS) transmet un nouveau certificat électronique, dont le terme de validité a été mis à jour, vers la terminal sans fil (MS).
(JA)  無線端末(MS)は、電子証明書と、有効期限よりも先まで有効であり、無線端末(MS)がアクセスの権限を有していることを示す認証情報とを予め保持する記憶部(130)と、電子証明書に設定された有効期限が切れている場合、認証情報以外の情報を無線基地局(BS)と複数回送受信することによって認証情報を保持していることを証明するゼロ知識証明プロトコルを無線基地局(BS)と実行するゼロ知識証明実行部(123)とを備える。無線基地局(BS)は、ゼロ知識証明プロトコルによって無線端末(MS)が認証情報を保持していることが証明された場合、有効期限が更新された新たな電子証明書を無線端末(MS)に送信する。
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