Article
Version 1
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COZMO—A New Lightweight Stream Cipher
Version 1
: Received: 9 January 2018 / Approved: 15 January 2018 / Online: 15 January 2018 (07:12:23 CET)
How to cite: Bonnerji, R.; Sarkar, S.; Rarhi, K.; Bhattacharya, A. COZMO—A New Lightweight Stream Cipher. Preprints 2018, 2018010119. https://doi.org/10.20944/preprints201801.0119.v1 Bonnerji, R.; Sarkar, S.; Rarhi, K.; Bhattacharya, A. COZMO—A New Lightweight Stream Cipher. Preprints 2018, 2018010119. https://doi.org/10.20944/preprints201801.0119.v1
Abstract
This paper deals with the merger of the two lightweight stream ciphers—A5/1 and Trivium. The idea is to make the key stream generation more secure and to remove the attacks of the individual algorithms. The bits generated by the Trivium cipher (output) will act as the input of the A5/1 cipher. The registers used in the A5/1 cipher will be filled by the output bits of the Trivium cipher. The three registers will then be connected to generate an output which will be our required key stream.
Keywords
lightweight stream cipher; A5/1; Trivium
Subject
Computer Science and Mathematics, Hardware and Architecture
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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