Crate slop_poseidon2 

Structs

HLMDSMat4

MDSMat4

Poseidon2

The Poseidon2 permutation.

Poseidon2ExternalMatrixGeneral

Poseidon2ExternalMatrixHL

Traits

DiffusionPermutation

MdsLightPermutation

For the external layers we use a matrix of the form circ(2M_4, M_4, …, M_4) Where M_4 is a 4 x 4 MDS matrix. This leads to a permutation which has slightly weaker properties to MDS

Functions

matmul_internal

poseidon2_round_numbers_128

Given a field, a width and an D return the number of full and partial rounds needed to achieve 128 bit security.