Trait snarkvm_algorithms::traits::algebraic_sponge::AlgebraicSponge

pub trait AlgebraicSponge<F: PrimeField, const RATE: usize>: Clone + Debug {
    type Parameters;

    // Required methods
    fn sample_parameters() -> Self::Parameters;
    fn new_with_parameters(params: &Self::Parameters) -> Self;
    fn absorb_native_field_elements<T: ToConstraintField<F>>(
        &mut self,
        elements: &[T]
    );
    fn absorb_nonnative_field_elements<Target: PrimeField>(
        &mut self,
        elements: impl IntoIterator<Item = Target>
    );
    fn squeeze_native_field_elements(&mut self, num: usize) -> SmallVec<[F; 10]>;
    fn squeeze_nonnative_field_elements<Target: PrimeField>(
        &mut self,
        num: usize
    ) -> SmallVec<[Target; 10]>;
    fn squeeze_short_nonnative_field_elements<Target: PrimeField>(
        &mut self,
        num: usize
    ) -> SmallVec<[Target; 10]>;

    // Provided methods
    fn new() -> Self { ... }
    fn absorb_bytes(&mut self, elements: &[u8]) { ... }
    fn squeeze_short_nonnative_field_element<Target: PrimeField>(
        &mut self
    ) -> Target { ... }
}

The interface for a cryptographic sponge. A sponge can absorb or take in inputs and later squeeze or output bytes or field elements. The outputs are dependent on previous absorb and squeeze calls.

Required Associated Types

type Parameters

Parameters used by the sponge.

Required Methods

fn sample_parameters() -> Self::Parameters

fn new_with_parameters(params: &Self::Parameters) -> Self

Initialize a new instance of the sponge.

fn absorb_native_field_elements<T: ToConstraintField<F>>( &mut self, elements: &[T] )

Takes in field elements.

fn absorb_nonnative_field_elements<Target: PrimeField>( &mut self, elements: impl IntoIterator<Item = Target> )

Takes in field elements.

fn squeeze_native_field_elements(&mut self, num: usize) -> SmallVec<[F; 10]>

Takes in field elements.

fn squeeze_nonnative_field_elements<Target: PrimeField>( &mut self, num: usize ) -> SmallVec<[Target; 10]>

Takes out field elements.

fn squeeze_short_nonnative_field_elements<Target: PrimeField>( &mut self, num: usize ) -> SmallVec<[Target; 10]>

Takes out field elements of 168 bits.

Provided Methods

fn new() -> Self

Initialize a new instance of the sponge.

fn absorb_bytes(&mut self, elements: &[u8])

Takes in bytes.

fn squeeze_short_nonnative_field_element<Target: PrimeField>( &mut self ) -> Target

Takes out a field element of 168 bits.

Object Safety

This trait is not object safe.

Implementors

impl<F: PrimeField, const RATE: usize> AlgebraicSponge<F, RATE> for PoseidonSponge<F, RATE, 1>

type Parameters = Arc<PoseidonParameters<F, RATE, 1>>