1 /*
2  * Copyright (C) 2022 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 #include "utils.h"
17 #include "fillp_function.h"
18 #include "fillp_cookie.h"
19 
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23 
24 
25 /******************************************************************************
26     Function       : FillpMacTimerExpire
27 
28     Description    : This function initializes mac key peroiodically
29 
30     Input          : NONE
31 
32     Output         : NONE
33 
34     Return         : NONE
35 ******************************************************************************/
FillpMacTimerExpire(FillpMacInfo * macInfo,FILLP_LLONG curTime)36 void FillpMacTimerExpire(
37     FillpMacInfo *macInfo,
38     FILLP_LLONG curTime)
39 {
40     FILLP_UINT32 counter;
41 
42     for (counter = 0; counter < FILLP_KEYSIZE; counter += (FILLP_UINT32)sizeof(FILLP_UINT32)) {
43         macInfo->oldMacKey[counter] = macInfo->currentMacKey[counter];
44         macInfo->currentMacKey[counter] = (FILLP_UINT8)FILLP_CRYPTO_RAND();
45     }
46 
47     macInfo->switchOverTime = (FILLP_ULLONG)curTime;
48 }
49 
50 
51 #ifdef __cplusplus
52 }
53 #endif
54 
55