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Cryptanalysis of ARX Ciphers

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Rotational Cryptanalysis of ARX show that rotational probability of an ARX primitive can be computed by $p^q$ where $p$ is rotational probability of modular addition and $q$ is number of modular additions in ARX primitive. Similarly, Rotational Cryptanalysis of ARX Revisited extends it to chained additions.

How to calculate rotational probability/ extend above cited probabilities to ARX primitives that employ both modular addition and multiplication?

Is the rotational probability for modular addition and subtraction be same?

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