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Erschienen in:
2010 | OriginalPaper | Buchkapitel
Secrecy Capacity of Independent Parallel Channels
verfasst von : Zang Li, Roy Yates, Wade Trappe
Erschienen in: Securing Wireless Communications at the Physical Layer
Verlag: Springer US
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Ensuring the confidentiality of communications is fundamental to securing any network. This requirement becomes particularly important for wireless systems, where eavesdropping is facilitated by the broadcast nature of the wireless medium. Rather than physically guard the communication medium to provide confidentiality, the traditional approach is to employ cryptographic algorithms to ensure that only legitimate users can correctly interpret the messages, while all other entities fail to glean any useful information.