blob: cb6fba7447b2ba0513679dc3c382b1d17121378f [file] [log] [blame]
/*
* Copyright (c) 2016-2017 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <soc.h>
#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_DEBUG_HCI_DRIVER)
#include "common/log.h"
#include "hal/cpu.h"
#include "hal/rand.h"
#include "hal/ecb.h"
K_MUTEX_DEFINE(mutex_rand);
int bt_rand(void *buf, size_t len)
{
while (len) {
k_mutex_lock(&mutex_rand, K_FOREVER);
len = rand_get(len, buf);
k_mutex_unlock(&mutex_rand);
if (len) {
cpu_sleep();
}
}
return 0;
}
int bt_encrypt_le(const u8_t key[16], const u8_t plaintext[16],
u8_t enc_data[16])
{
BT_DBG("key %s plaintext %s", bt_hex(key, 16), 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 plaintext %s", bt_hex(key, 16), bt_hex(plaintext, 16));
ecb_encrypt_be(key, plaintext, enc_data);
BT_DBG("enc_data %s", bt_hex(enc_data, 16));
return 0;
}