mk6x_crypto.c
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1 /**
2  * @file mk6x_crypto.c
3  * @brief Kinetis K6x hardware cryptographic accelerator
4  *
5  * @section License
6  *
7  * SPDX-License-Identifier: GPL-2.0-or-later
8  *
9  * Copyright (C) 2010-2024 Oryx Embedded SARL. All rights reserved.
10  *
11  * This file is part of CycloneCRYPTO Open.
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License
15  * as published by the Free Software Foundation; either version 2
16  * of the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software Foundation,
25  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26  *
27  * @author Oryx Embedded SARL (www.oryx-embedded.com)
28  * @version 2.4.0
29  **/
30 
31 //Switch to the appropriate trace level
32 #define TRACE_LEVEL CRYPTO_TRACE_LEVEL
33 
34 //Dependencies
35 #include "core/crypto.h"
38 #include "debug.h"
39 
40 //Global variables
42 
43 
44 /**
45  * @brief Initialize hardware cryptographic accelerator
46  * @return Error code
47  **/
48 
50 {
51  error_t error;
52 
53  //Initialize status code
54  error = NO_ERROR;
55 
56  //Create a mutex to prevent simultaneous access to the hardware
57  //cryptographic accelerator
59  {
60  //Failed to create mutex
61  error = ERROR_OUT_OF_RESOURCES;
62  }
63 
64 #if (MK6X_CRYPTO_TRNG_SUPPORT == ENABLED)
65  //Check status code
66  if(!error)
67  {
68  //Initialize TRNG module
69  error = trngInit();
70  }
71 #endif
72 
73  //Return status code
74  return error;
75 }
error_t trngInit(void)
TRNG module initialization.
General definitions for cryptographic algorithms.
Debugging facilities.
error_t
Error codes.
Definition: error.h:43
@ ERROR_OUT_OF_RESOURCES
Definition: error.h:64
@ NO_ERROR
Success.
Definition: error.h:44
error_t mk6xCryptoInit(void)
Initialize hardware cryptographic accelerator.
Definition: mk6x_crypto.c:49
OsMutex mk6xCryptoMutex
Definition: mk6x_crypto.c:41
Kinetis K6x hardware cryptographic accelerator.
Kinetis K6x true random number generator.
bool_t osCreateMutex(OsMutex *mutex)
Create a mutex object.
Mutex object.