blob: a05d22b9143af6c428d9d745f443cfcff5f5ef58 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/**
******************************************************************************
* @file des_common.h
* @author MCD Application Team
* @brief DES common functions and definitions
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2015 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under Image license SLA0044,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* http://www.st.com/SLA0044
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __DES_COMMON_H__
#define __DES_COMMON_H__
#ifdef __cplusplus
extern "C"
{
#endif
/** @addtogroup DES
* @{
*/
/* Exported constants --------------------------------------------------------*/
#define CRL_DES_BLOCK 8 /*!< Number of bytes (uint8_t) necessary to store a DES block. */
#define CRL_DES_KEY 8 /*!< Number of bytes (uint8_t) necessary to store a DES key. */
/* Exported types ------------------------------------------------------------*/
typedef struct
{
uint32_t mContextId; /*!< Unique ID of this context. \b Not \b used in current implementation. */
SKflags_et mFlags; /*!< 32 bit mFlags, used to perform keyschedule */
const uint8_t *pmKey; /*!< Pointer to original Key buffer */
const uint8_t *pmIv; /*!< Pointer to original Initialization Vector buffer */
int32_t mIvSize; /*!< Size of the Initialization Vector in bytes */
uint32_t amIv[2]; /*!< Temporary result/IV */
uint32_t amExpKey[32]; /*!< Expanded DES key */
}
DESCBCctx_stt; /*!< Structure for the context of a DES operation */
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /*__DES_COMMON_H__*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|