arm_hal_random.h

00001 /*
00002  * Copyright (c) 2014-2015 ARM Limited. All rights reserved.
00003  * SPDX-License-Identifier: Apache-2.0
00004  * Licensed under the Apache License, Version 2.0 (the License); you may
00005  * not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  * http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an AS IS BASIS, WITHOUT
00012  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #ifndef ARM_HAL_RANDOM_H_
00018 #define ARM_HAL_RANDOM_H_
00019 #ifdef __cplusplus
00020 extern "C" {
00021 #endif
00022 /**
00023  * \brief This function performs Random number driver init.
00024  */
00025 extern void arm_random_module_init(void);
00026 /**
00027  * \brief Get random library seed value.
00028  *
00029  * This function should return as random a value as possible, using
00030  * hardware sources. Repeated calls should return different values if
00031  * at all possible.
00032  */
00033 extern uint32_t arm_random_seed_get(void);
00034 #ifdef __cplusplus
00035 }
00036 #endif
00037 #endif /* ARM_HAL_RANDOM_H_ */