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1#ifndef __DESFIRE_H
2#define __DESFIRE_H
3
4#include <string.h>
5#include <stdarg.h>
6
7#include "aes.h"
8
9#define MAX_CRYPTO_BLOCK_SIZE 16
10/* Mifare DESFire EV1 Application crypto operations */
11#define APPLICATION_CRYPTO_DES 0x00
12#define APPLICATION_CRYPTO_3K3DES 0x40
13#define APPLICATION_CRYPTO_AES 0x80
14
15#define MAC_LENGTH 4
16#define CMAC_LENGTH 8
17
18typedef enum {
19 MCD_SEND,
20 MCD_RECEIVE
21} MifareCryptoDirection;
22
23typedef enum {
24 MCO_ENCYPHER,
25 MCO_DECYPHER
26} MifareCryptoOperation;
27
28#define MDCM_MASK 0x000F
29
30#define CMAC_NONE 0
31
32// Data send to the PICC is used to update the CMAC
33#define CMAC_COMMAND 0x010
34// Data received from the PICC is used to update the CMAC
35#define CMAC_VERIFY 0x020
36
37// MAC the command (when MDCM_MACED)
38#define MAC_COMMAND 0x100
39// The command returns a MAC to verify (when MDCM_MACED)
40#define MAC_VERIFY 0x200
41
42#define ENC_COMMAND 0x1000
43#define NO_CRC 0x2000
44
45#define MAC_MASK 0x0F0
46#define CMAC_MACK 0xF00
47
48/* Communication mode */
49#define MDCM_PLAIN 0x00
50#define MDCM_MACED 0x01
51#define MDCM_ENCIPHERED 0x03
52
53/* Error code managed by the library */
54#define CRYPTO_ERROR 0x01
55
56
57enum DESFIRE_AUTH_SCHEME {
58 AS_LEGACY,
59 AS_NEW
60};
61
62enum DESFIRE_CRYPTOALGO {
63 T_DES = 0x00,
64 T_3DES = 0x01,
65 T_3K3DES = 0x02,
66 T_AES = 0x03
67};
68
69
70#define DESFIRE_KEY(key) ((struct desfire_key *) key)
71struct desfire_key {
72 enum DESFIRE_CRYPTOALGO type;
73 uint8_t data[24];
74 // DES_key_schedule ks1;
75 // DES_key_schedule ks2;
76 // DES_key_schedule ks3;
77 AesCtx aes_ks;
78 uint8_t cmac_sk1[24];
79 uint8_t cmac_sk2[24];
80 uint8_t aes_version;
81};
82typedef struct desfire_key *desfirekey_t;
83
84#define DESFIRE(tag) ((struct desfire_tag *) tag)
85struct desfire_tag {
86 iso14a_card_select_t info;
87 int active;
88 uint8_t last_picc_error;
89 uint8_t last_internal_error;
90 uint8_t last_pcd_error;
91 desfirekey_t session_key;
92 enum DESFIRE_AUTH_SCHEME authentication_scheme;
93 uint8_t authenticated_key_no;
94
95 uint8_t ivect[MAX_CRYPTO_BLOCK_SIZE];
96 uint8_t cmac[16];
97 uint8_t *crypto_buffer;
98 size_t crypto_buffer_size;
99 uint32_t selected_application;
100};
101typedef struct desfire_tag *desfiretag_t;
102
103
104/* File types */
105enum DESFIRE_FILE_TYPES {
106 MDFT_STANDARD_DATA_FILE = 0x00,
107 MDFT_BACKUP_DATA_FILE = 0x01,
108 MDFT_VALUE_FILE_WITH_BACKUP = 0x02,
109 MDFT_LINEAR_RECORD_FILE_WITH_BACKUP = 0x03,
110 MDFT_CYCLIC_RECORD_FILE_WITH_BACKUP = 0x04
111};
112
113
114
115enum DESFIRE_STATUS {
116 OPERATION_OK = 0x00,
117 NO_CHANGES = 0x0c,
118 OUT_OF_EEPROM_ERROR = 0x0e,
119 ILLEGAL_COMMAND_CODE = 0x1c,
120 INTEGRITY_ERROR = 0x1e,
121 NO_SUCH_KEY = 0x40,
122 LENGTH_ERROR = 0x7e,
123 PERMISSION_DENIED = 0x9d,
124 PARAMETER_ERROR = 0x9e,
125 APPLICATION_NOT_FOUND = 0xa0,
126 APPL_INTEGRITY_ERROR = 0xa1,
127 AUTHENTICATION_ERROR = 0xae,
128 ADDITIONAL_FRAME = 0xaf,
129 BOUNDARY_ERROR = 0xbe,
130 PICC_INTEGRITY_ERROR = 0xc1,
131 COMMAND_ABORTED = 0xca,
132 PICC_DISABLED_ERROR = 0xcd,
133 COUNT_ERROR = 0xce,
134 DUPLICATE_ERROR = 0xde,
135 EEPROM_ERROR = 0xee,
136 FILE_NOT_FOUND = 0xf0,
137 FILE_INTEGRITY_ERROR = 0xf1
138};
139
140enum DESFIRE_CMD {
141 CREATE_APPLICATION = 0xca,
142 DELETE_APPLICATION = 0xda,
143 GET_APPLICATION_IDS = 0x6a,
144 SELECT_APPLICATION = 0x5a,
145 FORMAT_PICC = 0xfc,
146 GET_VERSION = 0x60,
147 READ_DATA = 0xbd,
148 WRITE_DATA = 0x3d,
149 GET_VALUE = 0x6c,
150 CREDIT = 0x0c,
151 DEBIT = 0xdc,
152 LIMITED_CREDIT = 0x1c,
153 WRITE_RECORD = 0x3b,
154 READ_RECORDS = 0xbb,
155 CLEAR_RECORD_FILE = 0xeb,
156 COMMIT_TRANSACTION = 0xc7,
157 ABORT_TRANSACTION = 0xa7,
158 GET_FREE_MEMORY = 0x6e,
159 GET_FILE_IDS = 0x6f,
160 GET_FILE_SETTINGS = 0xf5,
161 CHANGE_FILE_SETTINGS = 0x5f,
162 CREATE_STD_DATA_FILE = 0xcd,
163 CREATE_BACKUP_DATA_FILE = 0xcb,
164 CREATE_VALUE_FILE = 0xcc,
165 CREATE_LINEAR_RECORD_FILE = 0xc1,
166 CREATE_CYCLIC_RECORD_FILE = 0xc0,
167 DELETE_FILE = 0xdf,
168 AUTHENTICATE = 0x0a, // AUTHENTICATE_NATIVE
169 AUTHENTICATE_ISO = 0x1a, // AUTHENTICATE_STANDARD
170 AUTHENTICATE_AES = 0xaa,
171 CHANGE_KEY_SETTINGS = 0x54,
172 GET_KEY_SETTINGS = 0x45,
173 CHANGE_KEY = 0xc4,
174 GET_KEY_VERSION = 0x64,
175 AUTHENTICATION_FRAME = 0xAF
176};
177
178#endif
179
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