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

    File: CBC.hpp
    Date: 2022-10-08
    Author: Reece
***/
#pragma once

namespace Aurora::Crypto::CBC
{
    struct CBCContext : ICBCContext
    {
        bool Initialize(const Memory::MemoryViewRead &key,
                        const Memory::MemoryViewRead &iv) override;

        bool GetIV(const Memory::MemoryViewWrite &writeView) override;
        bool SetIV(const Memory::MemoryViewRead &readView) override;

        bool TryInit(int iCipher);

        bool Decrypt(int iCipher, const Memory::MemoryViewWrite &memoryView);
        bool Encrypt(int iCipher, const Memory::MemoryViewWrite &memoryView);
    private:
        symmetric_CBC cbc_ {};
        char streamKey_[32];
        int iKeyLength {};
        int iIVLength {};
        int iLastCipher_ { -1 };
    };
}