poseidon

package

v0.0.17 Latest Latest Go to latest Published: Sep 10, 2024 License: Apache-2.0, MIT Imports: 7 Imported by: 81

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const NROUNDSF = 8

NROUNDSF constant from Poseidon paper

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var NROUNDSP = []int{56, 57, 56, 60, 60, 63, 64, 63, 60, 66, 60, 65, 70, 60, 64, 68}

NROUNDSP constant from Poseidon paper

func Hash(inpBI []*big.Int) (*big.Int, error)

Hash computes the Poseidon hash for the given inputs

func HashBytes(msg []byte) (*big.Int, error)

HashBytes returns a sponge hash of a msg byte slice split into blocks of 31 bytes

func HashBytesX(msg []byte, frameSize int) (*big.Int, error)

HashBytesX returns a sponge hash of a msg byte slice split into blocks of 31 bytes

func HashEx(inpBI []*big.Int, nOuts int) ([]*big.Int, error)

HashEx computes the Poseidon hash for the given inputs and returns the first nOuts outputs that include intermediate states

func HashWithState(inpBI []*big.Int, initState *big.Int) (*big.Int, error)

HashWithState computes the Poseidon hash for the given inputs and initState

func HashWithStateEx(inpBI []*big.Int, initState *big.Int, nOuts int) ([]*big.Int, error)

func New(frameSize int) (hash.Hash, error)

New returns a new hash.Hash computing the Poseidon hash.

func SpongeHash(inputs []*big.Int) (*big.Int, error)

SpongeHash returns a sponge hash of inputs (using Poseidon with frame size of 16 inputs)

func SpongeHashX(inputs []*big.Int, frameSize int) (*big.Int, error)

SpongeHashX returns a sponge hash of inputs using Poseidon with configurable frame size

func Sum(b []byte) []byte

Sum returns the Poseidon hash of the input bytes. use frame size of 16 inputs by default

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