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