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https://hdl.handle.net/10316/101855
Título: | Analysis of short blocklength codes for secrecy | Autor: | Harrison, Willie K. Sarmento, Dinis Vilela, João P. Gomes, Marco A. C. |
Palavras-chave: | Physical-layer security; Security measures; Wiretap channel | Data: | 2018 | Projeto: | US National Science Foundation (Grant Award Number 1460085/1761280) FLAD project INCISE (Interference and Coding for Secrecy project SWING2 (PTDC/EEI-TEL/3684/2014), POCI-01-0145-FEDER-016753 UID/EEA/50008/2013. |
Título da revista, periódico, livro ou evento: | Eurasip Journal on Wireless Communications and Networking | Volume: | 2018 | Número: | 1 | Resumo: | In this paper, we provide secrecy metrics applicable to physical-layer coding techniques with finite blocklengths over Gaussian and fading wiretap channel models and analyze their secrecy performance over several cases of concatenated code designs. Our metrics go beyond some of the known practical secrecy measures, such as bit error rate and security gap, so as to make lower bound probabilistic guarantees on error rates over short blocklengths both preceding and following a secrecy decoder. Our techniques are especially useful in cases where application of traditional information-theoretic security measures is either impractical or simply not yet understood. The metrics can aid both practical system analysis, including cryptanalysis, and practical system design when concatenated codes are used for physical-layer security. Furthermore, these new measures fill a void in the current landscape of practical security measures for physical-layer security coding and may assist in the wide-scale adoption of physical-layer techniques for security in real-world systems. We also show how the new metrics provide techniques for reducing realistic channel models to simpler discrete memoryless wiretap channel equivalents over which existing secrecy code designs may achieve information-theoretic security | URI: | https://hdl.handle.net/10316/101855 | ISSN: | 1687-1499 | DOI: | 10.1186/s13638-018-1276-1 | Direitos: | openAccess |
Aparece nas coleções: | I&D IT - Artigos em Revistas Internacionais I&D CISUC - Artigos em Revistas Internacionais |
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Ficheiro | Descrição | Tamanho | Formato | |
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Analysis-of-short-blocklength-codes-for-secrecyEurasip-Journal-on-Wireless-Communications-and-Networking.pdf | 1.26 MB | Adobe PDF | Ver/Abrir |
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