/***
    Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: HMAC.hpp
    Date: 2022-9-18
    Author: Reece
***/
#pragma once

namespace Aurora::Crypto::HMAC
{
    struct HMACContext : IHMACContext
    {
        HMACContext(AuHashing::EHashType type);

        void Ingest(const Memory::MemoryViewRead &input) override;

        Memory::MemoryViewRead Finalize() override;

        void Reset() override;

        bool Init(const Memory::MemoryViewRead &input);
    private:
        AuUInt8 buffer_[64] {};
        hmac_state state_ {};
        hmac_state referenceState_ {};
        AuHashing::EHashType type_ {};
        bool bFinished_ {};
    };
}