| /* |
| * 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/ecb.h" |
| |
| int bt_rand(void *buf, size_t len) |
| { |
| while (len) { |
| u32_t v = sys_rand32_get(); |
| |
| if (len >= sizeof(v)) { |
| memcpy(buf, &v, sizeof(v)); |
| |
| buf += sizeof(v); |
| len -= sizeof(v); |
| } else { |
| memcpy(buf, &v, len); |
| break; |
| } |
| } |
| |
| 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; |
| } |