1/* 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16#ifndef OEMKEY_H 17#define OEMKEY_H 18/** 19 * @addtogroup TeeTrusted 20 * @{ 21 * 22 * @brief TEE(Trusted Excution Environment) API. 23 * Provides security capability APIs such as trusted storage, encryption and decryption, 24 * and trusted time for trusted application development. 25 * 26 * @since 12 27 */ 28 29/** 30 * @file oemkey.h 31 * 32 * @brief Provides the method for obtaining the hardware provision key. 33 * 34 * @library NA 35 * @kit TEEKit 36 * @syscap SystemCapability.Tee.TeeClient 37 * @since 12 38 * @version 1.0 39 */ 40 41#include <stdint.h> 42#include <stdlib.h> 43 44#ifdef __cplusplus 45extern "C" { 46#endif 47/** 48 * @brief Obtains the provision key. 49 * 50 * @param oem_key Indicates the pointer to the buffer for storing the provision key. 51 * @param key_size Indicates the length of the buffer used to store the provision key, which is 16. 52 * 53 * @return Returns <b>0</b> if the operation is successful. 54 * @return Returns other values otherwise. 55 * 56 * @since 12 57 */ 58uint32_t tee_hal_get_provision_key(uint8_t *oem_key, size_t key_size); 59 60#ifdef __cplusplus 61} 62#endif 63 64/** @} */ 65#endif 66