Authors: | Kavčić, Aleksandar Mihaljević, Miodrag J. Matsuura, Kanta |
Affiliations: | Mathematical Institute of the Serbian Academy of Sciences and Arts | Title: | Light-weight secrecy system using channels with insertion errors: Cryptographic implications | Journal: | ITW 2015 - 2015 IEEE Information Theory Workshop | First page: | 257 | Last page: | 261 | Conference: | IEEE Information Theory Workshop, ITW 2015; Lotte City Hotel JejuJeju Island; South Korea; 11 October 2015 through 15 October 2015 | Issue Date: | 17-Dec-2015 | ISBN: | 978-146737852-9 | DOI: | 10.1109/ITWF.2015.7360775 | Abstract: | A model of an encryption approach is analyzed from an information-theoretic point of view. In the model, an attacker faces the problem of observing messages through a concatenation of a binary symmetric channel and a channel with randomly inserted bits. The paper points out to a number of security related implications resulting from employing an insertion channel. It is shown that deliberate and secret-key-controlled insertions of random bits into the basic ciphertext provide a security enhancement of the resulting encryption scheme. |
Keywords: | Binary symmetric channel | Ciphertexts | Encryption schemes | Insertion errors | Light weight | Random bits | Secret key | Security enhancements | Publisher: | IEEE | Project: | Advanced Techniques of Cryptology, Image Processing and Computational Topology for Information Security |
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