bb::stdlib::poseidon2< Builder > Class Template Reference

stdlib class that evaluates in-circuit poseidon2 hashes, consistent with behavior in crypto::poseidon2 More...

#include <poseidon2.hpp>

Static Public Member Functions
static field_ct	hash (Builder &builder, const std::vector< field_ct > &in)
	Hash a vector of field_ct.
static field_ct	hash_buffer (Builder &builder, const stdlib::byte_array< Builder > &input)

Private Types
using	field_ct = stdlib::field_t< Builder >
using	bool_ct = stdlib::bool_t< Builder >
using	Params = crypto::Poseidon2Bn254ScalarFieldParams
using	Permutation = Poseidon2Permutation< Params, Builder >
using	Sponge = FieldSponge< Params::t - 1, 1, Params::t, Permutation, Builder >

Detailed Description

template<typename Builder>
class bb::stdlib::poseidon2< Builder >

stdlib class that evaluates in-circuit poseidon2 hashes, consistent with behavior in crypto::poseidon2

Template Parameters

Builder

Definition at line 23 of file poseidon2.hpp.

Member Typedef Documentation

bool_ct

template<typename Builder >

using bb::stdlib::poseidon2< Builder >::bool_ct = stdlib::bool_t<Builder>

private

Definition at line 27 of file poseidon2.hpp.

field_ct

template<typename Builder >

using bb::stdlib::poseidon2< Builder >::field_ct = stdlib::field_t<Builder>

private

Definition at line 26 of file poseidon2.hpp.

Params

template<typename Builder >

using bb::stdlib::poseidon2< Builder >::Params = crypto::Poseidon2Bn254ScalarFieldParams

private

Definition at line 28 of file poseidon2.hpp.

Permutation

template<typename Builder >

using bb::stdlib::poseidon2< Builder >::Permutation = Poseidon2Permutation<Params, Builder>

private

Definition at line 29 of file poseidon2.hpp.

Sponge

template<typename Builder >

using bb::stdlib::poseidon2< Builder >::Sponge = FieldSponge<Params::t - 1, 1, Params::t, Permutation, Builder>

private

Definition at line 31 of file poseidon2.hpp.

Member Function Documentation

hash()

template<typename Builder >

field_t< C > bb::stdlib::poseidon2< C >::hash ( Builder &  builder, const std::vector< field_ct > &  in  )

static

Hash a vector of field_ct.

Definition at line 16 of file poseidon2.cpp.

hash_buffer()

template<typename Builder >

static field_ct bb::stdlib::poseidon2< Builder >::hash_buffer ( Builder &  builder, const stdlib::byte_array< Builder > &  input  )

static

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The documentation for this class was generated from the following files:

• src/barretenberg/stdlib/hash/poseidon2/poseidon2.hpp
• src/barretenberg/stdlib/hash/poseidon2/poseidon2.cpp