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// This file is part of the CircuitPython project: https://circuitpython.org

//

// SPDX-FileCopyrightText: Copyright (c) 2018 Dan Halbert for Adafruit Industries

//

// SPDX-License-Identifier: MIT

#pragma once

#include <stdbool.h>

#include <stdint.h>

#include "py/obj.h"

#include "py/proto.h"

#include "shared-module/aesio/aes.h"

// These values were chosen to correspond with the values

// present in pycrypto.

enum AES_MODE {

AES_MODE_ECB = 1,

AES_MODE_CBC = 2,

AES_MODE_CTR = 6,

};

typedef struct {

mp_obj_base_t base;

// The tinyaes context

struct AES_ctx ctx;

// Which AES mode this instance of the object is configured to use

enum AES_MODE mode;

// Counter for running in CTR mode

uint32_t counter;

} aesio_aes_obj_t;