Edon80 is a hardware binary additive synchronous stream cipher submitted to the third and last phase of the eSTREAM project. It’s properties are: (1) The internal structure is highly pipelined; (2) It is highly parallelizable, making it scalable from the speed of processing point of view; (3) Its design principles offer possibilities to achieve significant speed asymmetry — it belongs to a family of stream ciphers that in hardware can have a constant speed of one bit per clock cycle, but in software implementation on popular modern CPUs can be made as slow as needed. Since its first description in 2005, it has been analyzed by several cryptographers, have been implemented in a more compact way and a MAC functionality have been added. The key stream generator of Edon80 employed four quasigroups of order 4. The quasigroups are chosen by experiments and the period probabilities of the key stream are also discussed by experiments. In this paper, we research the period probabilities of Edon80 with mathematical theory, and also we discuss quasigroups with larger periods factors.
CITATION STYLE
Xu, Y. (2014). On the key-stream periods probability of edon80. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 8567, pp. 55–69). Springer Verlag. https://doi.org/10.1007/978-3-319-12087-4_4
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