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    • 9. 发明申请
    • Mobile Wireless Communication System, Mobile Wireless Terminal Apparatus, Virtual Private Network Relay Apparatus and Connection Authentication Server
    • 移动无线通信系统,移动无线终端设备,虚拟专用网络中继设备和连接认证服务器
    • US20080232382A1
    • 2008-09-25
    • US10586343
    • 2005-01-11
    • Tomohiro IwamaTomoharu KanekoYoshikazu Ishii
    • Tomohiro IwamaTomoharu KanekoYoshikazu Ishii
    • H04L12/66
    • H04L12/4641
    • A mobile radio communication system (100) includes: a virtual private network relay device (105) for establishing an Ipsec tunnel with a network relay device (104) arranged in a private network (102) via a public network (101) and establishing an Ipsec tunnel with a mobile radio terminal device (110), thereby relaying connection from a public radio LAN system (103) of a mobile radio terminal device (110) to a private network (102); a connection authentication server (108) for authenticating the connection to the public radio LAN system (103) of the mobile radio terminal device (110); and a radio LAN access point (109) for relaying the connection authentication procedure of the public radio LAN (107) performed between the mobile radio terminal device (110) and the connection authentication server (108).
    • 移动无线电通信系统(100)包括:虚拟专用网络中继设备(105),用于通过经由公共网络(101)布置在专用网络(102)中的网络中继设备(104)建立Ipsec隧道,并建立 利用移动无线终端设备(110)进行Ipsec隧道,从而将来自移动无线终端设备(110)的公共无线电LAN系统(103)的连接中继到专用网络(102); 连接认证服务器(108),用于认证与所述移动无线终端设备(110)的所述公共无线电LAN系统(103)的连接; 以及用于中继在移动无线终端装置(110)和连接认证服务器(108)之间执行的公共无线电LAN(107)的连接认证过程的无线LAN接入点(109)。
    • 10. 发明申请
    • WIRELESS COMMUNICATION DEVICE AND ENCRYPTION KEY UPDATING METHOD
    • 无线通信设备和加密密钥更新方法
    • US20100091993A1
    • 2010-04-15
    • US12525504
    • 2007-02-02
    • Tomohiro Iwama
    • Tomohiro Iwama
    • H04L9/00
    • H04L9/0891H04L9/0819H04L63/06H04L2209/80H04W12/0013H04W12/04H04W12/06
    • Provided are a wireless communication device capable of decoding received data even when receiving the data while the mismatching of an encryption key occurs due to updating of the encryption key; and an encryption updating method for the device. The wireless communication device comprises an encryption unit for encrypting transmission data with an encryption key, a decoding unit for decoding received data with the encryption key, a key replacing unit for generating a new encryption key to update an encryption key to be used in the encryption unit and the decoding unit to the new encryption key, and a key storing unit for storing the encryption key before being updated. The decoding unit decodes a received data with use of the old encryption key stored in the key storing unit when the received data cannot be decoded with use of the newly updated encryption key.
    • 提供一种无线通信装置,即使在由于加密密钥的更新而发生加密密钥的不匹配而在接收数据时也可以对接收到的数据进行解码; 以及该装置的加密更新方法。 无线通信装置包括用加密密钥加密传输数据的加密单元,用于使用加密密钥解码接收数据的解码单元,用于生成新加密密钥的密钥替换单元,以更新加密密钥中使用的加密密钥 单元和解码单元到新加密密钥,以及密钥存储单元,用于在更新之前存储加密密钥。 当接收到的数据不能使用新更新的加密密钥进行解码时,解码单元使用存储在密钥存储单元中的旧加密密钥来解码所接收的数据。