Customizing Cellular Message Encryption Algorithm

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Provided by: International Journal of Network Security
Topic: Security
Format: PDF
In this paper, the authors observe the cryptanalysis of the telecommunications industry association's Cellular Message Encryption Algorithm (CMEA). The CMEA has been widely used for wireless security and the breaking of the scheme proves the requirement of alternatives. In the paper, the properties of CMEA which have leads to the successful cryptanalysis have 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.
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