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

//

// SPDX-FileCopyrightText: Copyright (c) 2017 Scott Shawcroft for Adafruit Industries

//

// SPDX-License-Identifier: MIT

#include <stdint.h>

#include "py/obj.h"

#include "py/runtime.h"

#include "__init__.h"

//| """AES encryption routines

//|

//| The `AES` module contains classes used to implement encryption

//| and decryption. It aims to be low overhead in terms of memory.

//|

//| For more information on AES, refer to `the Wikipedia entry

//| <https://en.wikipedia.org/wiki/Advanced_Encryption_Standard>`_.

//| """

static const mp_obj_tuple_t mp_aes_key_size_obj = {

{&mp_type_tuple},

3,

{

MP_OBJ_NEW_SMALL_INT(16),

MP_OBJ_NEW_SMALL_INT(24),

MP_OBJ_NEW_SMALL_INT(32),

}

};

static const mp_rom_map_elem_t aesio_module_globals_table[] = {

{MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_aesio)},

{MP_ROM_QSTR(MP_QSTR_AES), MP_ROM_PTR(&aesio_aes_type) },

{MP_ROM_QSTR(MP_QSTR_MODE_ECB), MP_ROM_INT(AES_MODE_ECB)},

{MP_ROM_QSTR(MP_QSTR_MODE_CBC), MP_ROM_INT(AES_MODE_CBC)},

{MP_ROM_QSTR(MP_QSTR_MODE_CTR), MP_ROM_INT(AES_MODE_CTR)},

{MP_ROM_QSTR(MP_QSTR_block_size), MP_ROM_INT(AES_BLOCKLEN)},

{MP_ROM_QSTR(MP_QSTR_key_size), (mp_obj_t)&mp_aes_key_size_obj},

};

static MP_DEFINE_CONST_DICT(aesio_module_globals, aesio_module_globals_table);

const mp_obj_module_t aesio_module = {

.base = {&mp_type_module},

.globals = (mp_obj_dict_t *)&aesio_module_globals,

};

MP_REGISTER_MODULE(MP_QSTR_aesio, aesio_module);