On the secrecy capacity of arbitrary wiretap channels

We investigate the fundamental secrecy limits of arbitrary wiretap channels using the information-spectrum approach and we provide a random coding theorem for the secrecy capacity under various secrecy metrics. We show how our result specializes to several recent results, e.g., compound channels, pa...

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Bibliographic Details
Published in2008 46th Annual Allerton Conference on Communication, Control, and Computing pp. 818 - 825
Main Authors Bloch, M., Laneman, J.N.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2008
Subjects
Codes
Communication channels
Cryptography
Fading
Information rates
Information security
Mutual information
Random variables
Transceivers
Wireless communication
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ISBN1424429250
9781424429257
DOI10.1109/ALLERTON.2008.4797642

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Summary:We investigate the fundamental secrecy limits of arbitrary wiretap channels using the information-spectrum approach and we provide a random coding theorem for the secrecy capacity under various secrecy metrics. We show how our result specializes to several recent results, e.g., compound channels, parallel channels, and fading channels. As a side benefit, our analysis shows that earlier results hold under more stringent secrecy metrics than previously established.
ISBN:1424429250
9781424429257
DOI:10.1109/ALLERTON.2008.4797642