Huawei Technologies Co., Limited

Chuansuo Ding

Cheng Yi Huang

Yongjing Zhang

Jue Wang

Chen Huang

Li Chen

Lunjian Mu

Lei Jin

Renzhou Zhang

Yonggang Bian

Cheng Huang

Sichen Wang

Mingzheng Feng

A method for remotely managing a sensor network topology includes: receiving a device management DM command sent by a device management server, where the DM command acts on a preconstructed management object MO node and the MO node includes a node configured to discover a sensor network topology, a node configured to describe a sensor network topology, or a node configured to modify a sensor network topology; and managing a sensor network according to the DM command, where the management includes discovering the sensor network topology, describing the sensor network topology, or modifying the sensor network topology. By adopting the present invention, remote topology management of a sensor network successive to an M2M gateway can be implemented and the complexity for implementing the management is reduced.

Apparatus and system for managing a sensor network

An encrypted communication method relating to communication technologies includes allocating a same encryption key for a first application and a terminal that is only bound to the first application. The method also includes transparently transmitting information communicated between the terminal and the first application when determining that the terminal communicates with the first application by using the same encryption key.

Encryption communication method, apparatus and system

A network system includes a device management (DM) server and a Machine to Machine (M2M) gateway coupled to the DM server and to a plurality of sensor devices in a sensor network. The DM server is configured to send a DM command. The M2M gateway is configured to: after receiving the DM command, access a topology tree that includes first and second management object (MO) nodes, wherein the first MO node includes an identification and a type of the sensor network and the second MO node describes a characteristic of each of the plurality of sensor devices and a connection relationship of the plurality of sensor devices; according to address information within the DM command, locate at least one of the first and second MO nodes; retrieve information from the located at least one of the first and second MO nodes; and send the retrieved information to the DM server.

Method for remotely managing a sensor network topology and gateway

A method, device and system for authenticating gateway, node and server are provided in this invention. The node receives a message sent by a gateway, wherein the message comprises a number Tshared by the gateway and a server, and a gateway identification. The node encrypts data with a key Kshared by the node and the server, the data including T, the gateway identification, and a random number Tgenerated by the node, and then sends the encrypted data and a node identification to the server through the gateway. The node decrypts data encrypted by the server and forwarded by the gateway with the key, determines that the server is a valid server according to a T-related number obtained by decryption, and establishes a security channel with the gateway according to a new key obtained through the decryption.

Method, device and system for authenticating gateway, node and server

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Nanjing, China

Chuansuo Ding