SoK: Pseudorandom Generation for Masked Cryptographic Implementation

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This paper investigates pseudorandom generation in the context of masked cryptographic implementation. Although masking and pseudorandom generators (PRGs) have been distinctly studied for a long time, there has been little study on how randomness should be generated in masked implementation. The lack of analysis on mask-bits generators obscures the practical security of masked cryptographic implementation, potentially confusing practitioners (e.g., designer, implementer, and evaluator) about how