pedersen.hpp

#pragma once
 
#include "../generators/generator_data.hpp"
#include "barretenberg/ecc/curves/grumpkin/grumpkin.hpp"
namespace crypto {
template <typename Curve> class pedersen_hash_base {
  public:
    using AffineElement = typename Curve::AffineElement;
    using Element = typename Curve::Element;
    using Fq = typename Curve::BaseField;
    using Fr = typename Curve::ScalarField;
    using Group = typename Curve::Group;
    using GeneratorContext = typename crypto::GeneratorContext<Curve>;
    inline static constexpr AffineElement length_generator = Group::derive_generators("pedersen_hash_length", 1)[0];
    static Fq hash(const std::vector<Fq>& inputs, GeneratorContext context = {});
    static Fq hash_buffer(const std::vector<uint8_t>& input, GeneratorContext context = {});
 
  private:
    static std::vector<Fq> convert_buffer(const std::vector<uint8_t>& input);
};
 
extern template class pedersen_hash_base<curve::Grumpkin>;
using pedersen_hash = pedersen_hash_base<curve::Grumpkin>;
} // namespace crypto