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Commit	Line	Data
	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
	18	typedef enum {
	19	MCD_SEND,
	20	MCD_RECEIVE
	21	} MifareCryptoDirection;
	22
	23	typedef 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
	57	enum DESFIRE_AUTH_SCHEME {
	58	AS_LEGACY,
	59	AS_NEW
	60	};
	61
	62	enum 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)
	71	struct 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	};
	82	typedef struct desfire_key *desfirekey_t;
	83
	84	#define DESFIRE(tag) ((struct desfire_tag *) tag)
	85	struct 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	};
	101	typedef struct desfire_tag *desfiretag_t;
	102
	103
	104	/* File types */
	105	enum 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
	115	enum 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
	140	enum 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