Book Chapter10.1007/11593980_16
CCMEA: customized cellular message encryption algorithm for wireless networks
Debdeep Mukhopadhyay,Abhishek Chaudhary,Arvind Nebhnani,Dipanwita RoyChowdhury +3 more
- 19 Dec 2005
- pp 217-227
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TL;DR: The endeavour demonstrates that with appropriate modifications the CMEA can be transformed into a strong cipher, which is essential for wireless security.
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Abstract: Cellular Message Encryption Algorithm (CMEA) has been widely used for wireless security and the breaking of the scheme proves the requirement of alternatives. In the current paper the properties of the CMEA, which has lead to the successful cryptanalysis, has been identified. Accordingly the algorithm has been modified to prevent the attacks. Finally the customized CMEA has been subjected to standard linear and differential cryptanalysis to evaluate its security margin. The endeavour demonstrates that with appropriate modifications the CMEA can be transformed into a strong cipher, which is essential for wireless security.
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Citations
Cellular automata: an ideal candidate for a block cipher
Debdeep Mukhopadhyay,Dipanwita RoyChowdhury +1 more
- 22 Dec 2004
TL;DR: The analytical framework of the automata has been used to characterize a new class of linear CA and to implement the non- linearity through a non-linear reversible CA.
10
References
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Advances in Cryptology - CRYPTO '97
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TL;DR: Die Online-Fachbuchhandlung beck-shop.de ist spezialisiert auf Fachbücher, insbesondere Recht, Steuern und Wirtschaft, und ergänzt das Programm durch Services wie Neuerscheinungsdienst oder Zusammenstellungen von Büchern zu Sonderpreisen.
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A tutorial on linear and differential cryptanalysis
TL;DR: This paper presents a detailed tutorial on linear cryptanalysis and differential cryptanalysis, the two most significant attacks applicable to symmetric-key block ciphers, based on the analysis of a simple, yet realistically structured, basic Substitution-Permutation Network cipher.
264
Cryptanalysis of the cellular message encryption algorithm
David Wagner,Bruce Schneier,John Kelsey +2 more
- 17 Aug 1997
TL;DR: In this paper, the authors present an attack on CMEA which requires 40-80 known plaintexts, has time complexity about 224-232, and finishes in minutes or hours of computation on a standard workstation.
•Proceedings Article
Cryptoanalysis of the Cellular Encryption Algorithm
David Wagner,Bruce Schneier,John Kelsey +2 more
- 17 Aug 1997
TL;DR: This paper analyzes the Telecommunications Industry Association's Cellular Message Encryption Algorithm (CMEA), which is used for confidentiality of the control channel in the most recent American digital cellular telephony systems, and demonstrates that CMEA is deeply flawed.
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