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Title:
Proposal of primitive polynomials for Linux kernel PRNG
Authors: David FONTAINE, Olivier VIVOLO
Abstract:The polynomials defining the LFSRs of the linux Kernel PRNG are irreducible but not primitive. As a result, the space of numbers generated by these LFSRs does not fill all the space. We propose in this paper more optimal polynomials which increase by a factor of 3 the space of the random numbers generated by these LFSRs. The polynomials used in the current implementation of the PRNG and the point presented here, do not conclude a practical attack on the PRNG.
ePrint: https://eprint.iacr.org/2017/726
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