1 /*
2  * Copyright (c) 2019-2022, Texas Instruments Incorporated
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * *  Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  *
12  * *  Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * *  Neither the name of Texas Instruments Incorporated nor the names of
17  *    its contributors may be used to endorse or promote products derived
18  *    from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 /*
33  *  ======== AESCTRDRBG.c ========
34  *
35  *  This file contains default values for the AESCTRDRBG_Params struct.
36  *
37  */
38 
39 #include <stdbool.h>
40 #include <stdlib.h>
41 #include <string.h>
42 
43 #include <ti/drivers/AESCTRDRBG.h>
44 #include <ti/drivers/dpl/DebugP.h>
45 #include <ti/drivers/dpl/SemaphoreP.h>
46 
47 /* Extern globals */
48 extern const AESCTRDRBG_Config AESCTRDRBG_config[];
49 extern const uint_least8_t AESCTRDRBG_count;
50 
51 const AESCTRDRBG_Params AESCTRDRBG_defaultParams = {
52     .keyLength                 = AESCTRDRBG_AES_KEY_LENGTH_128,
53     .reseedInterval            = 10000,
54     .seed                      = NULL,
55     .personalizationData       = NULL,
56     .personalizationDataLength = 0,
57     .returnBehavior            = AESCTRDRBG_RETURN_BEHAVIOR_POLLING,
58     .custom                    = NULL,
59 };
60 
61 /*
62  *  ======== AESCTRDRBG_open ========
63  */
AESCTRDRBG_open(uint_least8_t index,const AESCTRDRBG_Params * params)64 __attribute__((weak)) AESCTRDRBG_Handle AESCTRDRBG_open(uint_least8_t index, const AESCTRDRBG_Params *params)
65 {
66     DebugP_assert(index < AESCTRDRBG_count);
67 
68     AESCTRDRBG_Config *config = (AESCTRDRBG_Config *)&AESCTRDRBG_config[index];
69     return AESCTRDRBG_construct(config, params);
70 }
71 
72 /*
73  *  ======== AESCTRDRBG_Params_init ========
74  */
AESCTRDRBG_Params_init(AESCTRDRBG_Params * params)75 void AESCTRDRBG_Params_init(AESCTRDRBG_Params *params)
76 {
77     *params = AESCTRDRBG_defaultParams;
78 }
79