1 /** 2 * Copyright (c) 2020 HiSilicon (Shanghai) Technologies CO., LIMITED. 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 * Description: Provides trng driver source \n 16 * 17 * History: \n 18 * 2023-03-22, Create file. \n 19 */ 20 21 #include "trng.h" 22 #include "kapi_trng.h" 23 24 #include "sl_common.h" 25 uapi_drv_cipher_trng_get_random(uint32_t * randnum)26errcode_t uapi_drv_cipher_trng_get_random(uint32_t *randnum) 27 { 28 uapi_pm_add_sleep_veto(PM_SECURITY_VETO_ID); 29 int32_t ret = kapi_cipher_trng_get_random(randnum); 30 uapi_pm_remove_sleep_veto(PM_SECURITY_VETO_ID); 31 return crypto_sl_common_get_errcode(ret); 32 } 33 uapi_drv_cipher_trng_get_random_bytes(uint8_t * randnum,uint32_t size)34errcode_t uapi_drv_cipher_trng_get_random_bytes(uint8_t *randnum, uint32_t size) 35 { 36 uapi_pm_add_sleep_veto(PM_SECURITY_VETO_ID); 37 int32_t ret = kapi_cipher_trng_get_multi_random(size, randnum); 38 uapi_pm_remove_sleep_veto(PM_SECURITY_VETO_ID); 39 return crypto_sl_common_get_errcode(ret); 40 }