In wireless sensor networks it is necessary to encrypt messages sent among sensor nodes to achieve communication security.
为了实现无线传感器网络中的安全通讯，需要对传感器结点间传递的信息进行加密。
As commerce and communication in the future continue to move to computer networks, security will become more and more vital.
未来商业和通讯将越来越多地使用计算机网络，因此，网络安全越来越重要。
Security of broadcast communication is the key challenge in wireless sensor networks.
通信安全是无线传感器网络设计中的重要问题。
It is very difficult to get the security in sensor networks because of the limited resources of nodes and the wireless communication between nodes.
传感器网络中节点有限的资源以及采用无线的方式转发数据使得在传感器网络内的安全性目标很难实现。
Especially its mobility support lays a foundation for personal communication. The difference from traditional networks makes user management and network security great challenges in WMSN.
因为它不同于传统网络，所以对用户接入管理和网络安全带来了新的质询。
Especially its mobility support lays a foundation for personal communication. The difference from traditional networks makes user management and network security great challenges in WMSN.
因为它不同于传统网络，所以对用户接入管理和网络安全带来了新的质询。
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