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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/*
* Copyright (C) 2017-2020 Alibaba Group Holding Limited
*/
/******************************************************************************
* @file drv/des.h
* @brief Header File for DES Driver
* @version V1.0
* @date 24. Oct 2022
* @model des
******************************************************************************/
#ifndef _DRV_DES_H_
#define _DRV_DES_H_
#include <stdint.h>
#include "common.h"
#ifdef __cplusplus
extern "C" {
#endif
/*----- Encrypt & Decrypt: Config key length -----*/
/**
\brief DES data transfer mode config
*/
typedef enum {
DES_SLAVE_MODE = 0U, ///< slave mode
DES_DMA_MODE, ///< dma mode
} csi_des_trans_mode_t;
/**
\brief DES key-len-bits type
*/
typedef enum {
DES_KEY_LEN_BITS_64 = 0, ///< 64 Data bits
DES_KEY_LEN_BITS_128, ///< 128 Data bits
DES_KEY_LEN_BITS_192, ///< 192 Data bits
} csi_des_key_bits_t;
typedef enum{
DES_MODE_ECB = 0x00000000,
DES_MODE_CBC = 0x20000020,
TDES_MODE_ECB = 0x00000008,
TDES_MODE_CBC = 0x20000028,
} des_mode_t;
#define DES_KEY_LEN_BYTES_32 (32)
#define DES_KEY_LEN_BYTES_16 (16)
#define DES_KEY_LEN_BYTES_24 (24)
#define DES_KEY_LEN_BYTES_8 (8)
#define DES_BLOCK_IV_SIZE (16)
#define DES_BLOCK_CRYPTO_SIZE (8)
#define TDES_BLOCK_CRYPTO_SIZE (16)
#define DES_DIR_ENCRYPT (1)
#define DES_DIR_DECRYPT (0)
#define DES_KEY_128_BITS (0x8)
#define DES_KEY_192_BITS (0x10)
/**
\brief DES State
*/
typedef struct {
uint32_t busy : 1; ///< Calculate busy flag
uint32_t error : 1; ///< Calculate error flag
} csi_des_state_t;
/**
\brief DES Context
*/
typedef struct {
uint32_t key_len_byte;
uint8_t key[32]; ///< Data block being processed
uint32_t sca;
uint32_t is_kdf;
uint32_t is_dma;
} csi_des_context_t;
/**
\brief DES Ctrl Block
*/
typedef struct {
csi_des_state_t state;
csi_des_context_t context;
csi_dev_t dev;
void *priv;
} csi_des_t;
/**
\brief Initialize DES interface. Initializes the resources needed for the DES interface
\param[in] des Handle to operate
\param[in] idx Device id
\return Error code \ref csi_error_t
*/
csi_error_t csi_des_init(csi_des_t *des, uint32_t idx);
/**
\brief De-initialize DES interface. Stops operation and releases the software resources used by the interface
\param[in] des Dandle to operate
\return None
*/
void csi_des_uninit(csi_des_t *des);
/**
\brief Set encrypt key
\param[in] des Handle to operate
\param[in] key Pointer to the key buf
\param[in] key_len Pointer to \ref csi_des_key_bits_t
\return Error code \ref Csi_error_t
*/
csi_error_t csi_des_set_encrypt_key(csi_des_t *des, void *key, csi_des_key_bits_t key_len);
/**
\brief Set decrypt key
\param[in] des Handle to operate
\param[in] key Pointer to the key buf
\param[in] key_len Pointer to \ref csi_des_key_bits_t
\return Error code \ref Csi_error_t
*/
csi_error_t csi_des_set_decrypt_key(csi_des_t *des, void *key, csi_des_key_bits_t key_len);
/**
\brief DES ecb encrypt
\param[in] des Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\return Error code \ref Csi_error_t
*/
csi_error_t csi_des_ecb_encrypt(csi_des_t *des, void *in, void *out, uint32_t size);
/**
\brief DES ecb decrypt
\param[in] des Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\return Error code \ref Csi_error_t
*/
csi_error_t csi_des_ecb_decrypt(csi_des_t *des, void *in, void *out, uint32_t size);
/**
\brief DES cbc encrypt
\param[in] des Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\return Error code \ref Csi_error_t
*/
csi_error_t csi_des_cbc_encrypt(csi_des_t *des, void *in, void *out, uint32_t size, void *iv) ;
/**
\brief DES cbc decrypt
\param[in] des Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\return Error code \ref Csi_error_t
*/
csi_error_t csi_des_cbc_decrypt(csi_des_t *des, void *in, void *out, uint32_t size, void *iv);
/**
\brief TDES ecb encrypt
\param[in] des Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\return Error code \ref Csi_error_t
*/
csi_error_t csi_tdes_ecb_encrypt(csi_des_t *des, void *in, void *out, uint32_t size);
/**
\brief TDES ecb decrypt
\param[in] des Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\return Error code \ref Csi_error_t
*/
csi_error_t csi_tdes_ecb_decrypt(csi_des_t *des, void *in, void *out, uint32_t size);
/**
\brief TDES cbc encrypt
\param[in] des Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\return Error code \ref Csi_error_t
*/
csi_error_t csi_tdes_cbc_encrypt(csi_des_t *des, void *in, void *out, uint32_t size, void *iv) ;
/**
\brief TDES cbc decrypt
\param[in] des Handle to operate
\param[in] in Pointer to the source data
\param[out] out Pointer to the result data
\param[in] size The source data size
\param[in] iv Init vector
\return Error code \ref Csi_error_t
*/
csi_error_t csi_tdes_cbc_decrypt(csi_des_t *des, void *in, void *out, uint32_t size, void *iv);
/**
\brief Config DES mode dma or slave
\param[in] mode \ref csi_des_trans_mode_t
\return None
*/
void csi_des_trans_config(csi_des_t *des, csi_des_trans_mode_t mode);
#ifdef __cplusplus
}
#endif
#endif /* _DRV_AES_H_ */
|
