sha256.hpp

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// AUTOGENERATED FILE
#pragma once
 
#include <string_view>
 
#include "barretenberg/relations/relation_parameters.hpp"
#include "barretenberg/relations/relation_types.hpp"
#include "barretenberg/vm2/generated/columns.hpp"
 
namespace bb::avm2 {
 
template <typename FF_> class sha256Impl {
  public:
    using FF = FF_;
 
    static constexpr std::array<size_t, 95> SUBRELATION_PARTIAL_LENGTHS = {
        4, 3, 3, 3, 3, 3, 4, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
        3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
        3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3
    };
 
    template <typename AllEntities> inline static bool skip(const AllEntities& in)
    {
        using C = ColumnAndShifts;
 
        return (in.get(C::sha256_sel)).is_zero();
    }
 
    template <typename ContainerOverSubrelations, typename AllEntities>
    void static accumulate(ContainerOverSubrelations& evals,
                           const AllEntities& in,
                           [[maybe_unused]] const RelationParameters<FF>&,
                           [[maybe_unused]] const FF& scaling_factor);
};
 
template <typename FF> class sha256 : public Relation<sha256Impl<FF>> {
  public:
    static constexpr const std::string_view NAME = "sha256";
 
    // Subrelation indices constants, to be used in tests.
    static constexpr size_t SR_ROUNDS_REM_INIT = 4;
    static constexpr size_t SR_ROUNDS_REM_DECREMENT = 5;
    static constexpr size_t SR_PROPAGATE_INIT_A = 17;
    static constexpr size_t SR_PROPAGATE_INIT_B = 18;
    static constexpr size_t SR_PROPAGATE_INIT_C = 19;
    static constexpr size_t SR_PROPAGATE_INIT_D = 20;
    static constexpr size_t SR_PROPAGATE_INIT_E = 21;
    static constexpr size_t SR_PROPAGATE_INIT_F = 22;
    static constexpr size_t SR_PROPAGATE_INIT_G = 23;
    static constexpr size_t SR_PROPAGATE_INIT_H = 24;
 
    static std::string get_subrelation_label(size_t index)
    {
#ifdef AVM_INCLUDE_COLUMN_INFORMATION
        switch (index) {
        case SR_ROUNDS_REM_INIT:
            return "ROUNDS_REM_INIT";
        case SR_ROUNDS_REM_DECREMENT:
            return "ROUNDS_REM_DECREMENT";
        case SR_PROPAGATE_INIT_A:
            return "PROPAGATE_INIT_A";
        case SR_PROPAGATE_INIT_B:
            return "PROPAGATE_INIT_B";
        case SR_PROPAGATE_INIT_C:
            return "PROPAGATE_INIT_C";
        case SR_PROPAGATE_INIT_D:
            return "PROPAGATE_INIT_D";
        case SR_PROPAGATE_INIT_E:
            return "PROPAGATE_INIT_E";
        case SR_PROPAGATE_INIT_F:
            return "PROPAGATE_INIT_F";
        case SR_PROPAGATE_INIT_G:
            return "PROPAGATE_INIT_G";
        case SR_PROPAGATE_INIT_H:
            return "PROPAGATE_INIT_H";
        }
#endif
        return std::to_string(index);
    }
};
 
} // namespace bb::avm2