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    • 3. 发明申请
    • Managing User Access in a Communications Network
    • 管理通信网络中的用户访问
    • US20090313466A1
    • 2009-12-17
    • US12520476
    • 2006-12-19
    • Mats NaslundJari Arkko
    • Mats NaslundJari Arkko
    • H04L29/06
    • H04W12/04H04L63/061H04L63/062H04L63/067H04L63/08H04L63/0884H04L63/0892H04L63/162H04W12/06H04W80/04
    • A method of operating a node for performing handover between access networks wherein a user has authenticated for network access in a first access network. The method comprises receiving from a home network a first session key and a temporary identifier allocated to the user for the duration of a communication session. The identifier is mapped to the first session key, and the mapped identifier and key are stored at the node. A second session key is derived from the first session key and the second session key is sent to an access network, and the identifier sent to a user terminal. When the user subsequently moves to a second access network, the node receives the identifier from the user terminal. The node then retrieves the first session key mapped to the received identifier, derives a third session key and sends the third session key to the second access network.
    • 一种操作节点的方法,用于在接入网络之间执行切换,其中用户已经在第一接入网络中对网络接入进行了认证。 该方法包括:在通信会话期间,从家庭网络接收分配给用户的第一会话密钥和临时标识符。 标识符被映射到第一个会话密钥,映射的标识符和密钥存储在节点处。 从第一会话密钥导出第二会话密钥,将第二会话密钥发送到接入网络,并将该标识符发送给用户终端。 当用户随后移动到第二接入网络时,节点从用户终端接收标识符。 然后,节点检索映射到接收到的标识符的第一会话密钥,导出第三会话密钥,并将第三会话密钥发送到第二接入网络。
    • 9. 发明申请
    • Method and Apparatus for Forwarding Data Packets using Aggregating Router Keys
    • 使用聚合路由器密钥转发数据包的方法和装置
    • US20110274112A1
    • 2011-11-10
    • US13128012
    • 2008-11-07
    • Andras CzaszarLars G. MagnussonMats NaslundLars Westberg
    • Andras CzaszarLars G. MagnussonMats NaslundLars Westberg
    • H04L12/56
    • H04L45/00H04L63/0227
    • Method and apparatus for supporting the forwarding of received data packets in a router (402,702) of a packet-switched network. A forwarding table (706a) is configured in the router based on aggregating router keys and associated aggregation related instructions received from a key manager (400,700). Each aggregating router key represents a set of destinations. When a data packet (P) is received comprising an ingress tag derived from a sender key or router key, the ingress tag is matched with entries in the forwarding table. An outgoing port is selected for the packet according to a found matching table entry that further comprises an associated aggregation related instruction. An egress tag is then created according to the aggregation related instruction, and the packet with the created egress tag attached is sent from the selected outgoing port to a next hop router.
    • 用于支持在分组交换网络的路由器(402,702)中转发所接收的数据分组的方法和装置。 基于从密钥管理器(400,700)接收的聚合路由器密钥和相关联的聚合相关指令,在路由器中配置转发表(706a)。 每个聚合路由器密钥代表一组目的地。 当接收到包含从发送方密钥或路由器密钥导出的入口标签的数据分组(P)时,入口标签与转发表中的条目匹配。 根据发现的匹配表条目,为分组选择输出端口,进一步包括相关联的聚合相关指令。 然后根据聚合相关指令创建出口标签,并将附加了创建的出口标签的数据包从所选出口端口发送到下一跳路由器。
    • 10. 发明申请
    • Key Distribution to a Set of Routers
    • 一组路由器的密钥分发
    • US20110179277A1
    • 2011-07-21
    • US13120679
    • 2008-09-24
    • Wassim HaddadMats Naslund
    • Wassim HaddadMats Naslund
    • H04L9/08H04L9/32H04L12/56
    • H04L9/0827H04L9/0844H04L45/60H04L63/062
    • Before actually communicating information/data between two endpoints (C, S) connected to a network a secure and confidential distribution of a special key (K h) is performed to nodes (R j) along a path in the network. This is allowed by performing a path handshaking procedure in which first a hint token is forwarded along the path in a first direction and then a disclosure token is forwarded in the opposite direction. In forwarding the disclosure token it is verified in the nodes against the already received hint token. This assures that only nodes on the particular path will receive the special key or possibly some other information related thereto.
    • 在连接到网络的两个端点(C,S)上实际传达信息/数据之前,沿着网络中的路径对节点(R j)执行特殊密钥(Kh)的安全和机密分发。 这是通过执行路径握手过程来允许的,其中首先沿第一方向沿着路径转发提示令牌,然后以相反的方向转发公开令牌。 在转发公开令牌时,它在节点中针对已经接收的提示令牌进行验证。 这确保只有特定路径上的节点才能接收到特殊密钥或可能与其相关的某些其他信息。