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    • 9. 发明授权
    • Secure bootstrapping for wireless communications
    • 无线通信的安全自举
    • US07966000B2
    • 2011-06-21
    • US12728746
    • 2010-03-22
    • James F. SempleGregory Gordon RoseJohn W. Nasielski
    • James F. SempleGregory Gordon RoseJohn W. Nasielski
    • H04M1/66
    • H04L63/0869H04L63/0853H04W12/06
    • A mutual authentication method is provided for securely agreeing application-security keys with mobile terminals supporting legacy Subscriber Identity Modules (e.g., GSM SIM and CDMA2000 R-UIM, which do not support 3G AKA mechanisms). A challenge-response key exchange is implemented between a bootstrapping server function (BSF) and mobile terminal (MT). The BSF generates an authentication challenge and sends it to the MT under a server-authenticated public key mechanism. The MT receives the challenge and determines whether it originates from the BSF based on a bootstrapping server certificate. The MT formulates a response to the authentication challenge based on keys derived from the authentication challenge and a pre-shared secret key. The BSF receives the authentication response and verifies whether it originates from the MT. Once verified, the BSF and MT independently calculate an application security key that the BSF sends to a requesting network application function to establish secure communications with the MT.
    • 提供了相互认证方法,用于与支持传统用户识别模块(例如,不支持3G AKA机制的GSM SIM和CDMA2000 R-UIM)的移动终端安全地同意应用安全密钥。 在引导服务器功能(BSF)和移动终端(MT)之间实现质询 - 响应密钥交换。 BSF生成认证挑战,并通过服务器认证的公钥机制将其发送给MT。 MT接收到挑战,并根据引导服务器证书确定它是从BSF发起的。 MT基于从认证挑战导出的密钥和预共享密钥来形成对认证挑战的响应。 BSF接收认证响应,并验证其是否来自MT。 一旦验证,BSF和MT独立地计算BSF发送到请求网络应用功能的应用安全密钥,以建立与MT的安全通信。
    • 10. 发明授权
    • Method and apparatus for session release in a communication system
    • 在通信系统中会话释放的方法和装置
    • US07415026B2
    • 2008-08-19
    • US10067586
    • 2002-02-04
    • Raymond T. HsuJohn W. Nasielski
    • Raymond T. HsuJohn W. Nasielski
    • H04L12/28
    • H04L65/4076H04L29/06H04L29/06027H04L65/1006H04L65/1069H04L65/80H04L67/14
    • A method and apparatus for session release in a communication system supporting Internet Protocol (IP) communications. In one embodiment, when the MS has lost a bearer connection (i.e., PPP session), the notification is provided by a Packet Data Service Node (PDSN) to the serving Session control Manager (SCM) via IP multicast. If two PPP sessions are active for a given IP communication, and one PPP session is not lost, the PDSN associated with the active PPP session sends a correction message to ignore any notification message sent by the other PDSN. In an alternate embodiment, the Authentication Authorization Accounting (AAA) server uses start and stop accounting requests, received from PDSNs, to determine when to notify the serving SCM to terminate an IP communication.
    • 一种用于支持因特网协议(IP)通信的通信系统中的会话释放的方法和装置。 在一个实施例中,当MS已经丢失承载连接(即,PPP会话)时,通过IP多播将分组数据服务节点(PDSN)提供给服务会话控制管理器(SCM)。 如果两个PPP会话对于给定的IP通信是活动的,并且一个PPP会话不丢失,则与活动PPP会话相关联的PDSN发送校正消息以忽略由另一个PDSN发送的任何通知消息。 在替代实施例中,认证授权计费(AAA)服务器使用从PDSN接收的开始和结束计费请求来确定何时通知服务SCM以终止IP通信。