[Resource Topic] 2006/307: Note on Design Criteria for Rainbow-Type Multivariates

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Note on Design Criteria for Rainbow-Type Multivariates

Authors: Jintai Ding, Lei Hu, Bo-Yin Yang, Jiun-Ming Chen


This was a short note that deals with the design of Rainbow or ``stagewise unbalanced oil-and-vinegar’’ multivariate signature schemes. We exhibit new cryptanalysis for current schemes that relates to flawed choices of system parameters in current schemes. These can be ameliorated according to an updated list of security design criteria.

ePrint: https://eprint.iacr.org/2006/307

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