zephyr/subsys/bluetooth/controller/crypto/crypto.c

44 lines
905 B
C

/*
* Copyright (c) 2016-2017 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_DEBUG_HCI_DRIVER)
#define LOG_MODULE_NAME bt_ctlr_crypto
#include "common/log.h"
#include "../util/util.h"
#include "hal/ecb.h"
int bt_rand(void *buf, size_t len)
{
return util_rand(buf, len);
}
int bt_encrypt_le(const u8_t key[16], const u8_t plaintext[16],
u8_t enc_data[16])
{
BT_DBG("key %s", bt_hex(key, 16));
BT_DBG("plaintext %s", bt_hex(plaintext, 16));
ecb_encrypt(key, plaintext, enc_data, NULL);
BT_DBG("enc_data %s", bt_hex(enc_data, 16));
return 0;
}
int bt_encrypt_be(const u8_t key[16], const u8_t plaintext[16],
u8_t enc_data[16])
{
BT_DBG("key %s", bt_hex(key, 16));
BT_DBG("plaintext %s", bt_hex(plaintext, 16));
ecb_encrypt_be(key, plaintext, enc_data);
BT_DBG("enc_data %s", bt_hex(enc_data, 16));
return 0;
}