lwip_random.c

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2017 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may 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,
00012  * WITHOUT 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 #include "lwip/opt.h"
00018 #include "lwip/debug.h"
00019 #include "lwip/def.h"
00020 #include "lwip_random.h"
00021 
00022 #include "randLIB.h"
00023 
00024 void lwip_seed_random(void)
00025 {
00026     randLIB_seed_random();
00027 
00028 }
00029 
00030 void lwip_add_random_seed(uint64_t seed)
00031 {
00032     randLIB_add_seed(seed);
00033 }
00034 
00035 inline uint32_t lwip_get_random(void)
00036 {
00037     return randLIB_get_32bit();
00038 }