reader-videoguard-common.h

   1 #ifndef __NDS_COMMON__
   2 #define __NDS_COMMON__
   3
   4 #define write_cmd_vg(cmd, data) (card_write(reader, cmd, data, cta_res, &cta_lr) == 0)
   5
   6 #define NDSUNKNOWN    0
   7 #define NDSAUTO    0
   8 #define NDS1    1
   9 #define NDS12    12
  10 #define NDS2    2
  11
  12 struct s_CmdTabEntry
  13 {
  14         uint8_t cla;
  15         uint8_t cmd;
  16         uint8_t len;
  17         uint8_t mode;
  18 };
  19
  20 struct s_CmdTab
  21 {
  22         uint8_t index;
  23         uint8_t size;
  24         uint8_t Nentries;
  25         uint8_t dummy;
  26         struct s_CmdTabEntry e[1];
  27 };
  28
  29 struct videoguard_data
  30 {
  31         const char      *card_desc;
  32         int32_t         card_baseyear;
  33         int32_t         card_tierstart;
  34         int32_t         card_system_version;
  35         time_t          card_valid_to;
  36         struct s_CmdTab *cmd_table;
  37         uint16_t        cardkeys[3][32];
  38         unsigned char   stateD3A[16];
  39         AES_KEY         ekey;
  40         AES_KEY         astrokey;
  41 };
  42
  43 typedef struct nds_atr
  44 {
  45         uchar atr[MAX_ATR_LEN];
  46         uint16_t atr_len;
  47         int32_t base_year;
  48         int32_t tier_start;
  49         int32_t nds_version;
  50         const char *desc;
  51 } NDS_ATR_ENTRY;
  52
  53 extern int32_t cw_is_valid(unsigned char *cw);
  54 extern void cAES_SetKey(struct s_reader *reader, const unsigned char *key);
  55
  56 extern void __xxor(unsigned char *data, int32_t len, const unsigned char *v1, const unsigned char *v2);
  57 #define xor16(v1,v2,d) __xxor((d),16,(v1),(v2))
  58 #define val_by2on3(x)  ((0xaaab*(x))>>16) //fixed point *2/3
  59
  60 extern void cCamCryptVG_SetSeed(struct s_reader *reader);
  61 extern void cCamCryptVG_GetCamKey(struct s_reader *reader, uint16_t *tb2);
  62 extern int32_t status_ok(const unsigned char *status);
  63 extern int32_t checksum_ok(const unsigned char *ird_payload);
  64 extern void memorize_cmd_table(struct s_reader *reader, const unsigned char *mem, int32_t size);
  65 extern int32_t cmd_table_get_info(struct s_reader *reader, const unsigned char *cmd, unsigned char *rlen, unsigned char *rmode);
  66 extern int32_t cmd_exists(struct s_reader *reader, const unsigned char *cmd);
  67 extern int32_t read_cmd_len(struct s_reader *reader, const unsigned char *cmd);
  68 extern int32_t do_cmd(struct s_reader *reader, const unsigned char *ins, const unsigned char *txbuff, unsigned char *rxbuff,
  69                                           unsigned char *cta_res);
  70 extern void rev_date_calc_tm(const unsigned char *Date, struct tm *timeinfo , int32_t base_year);
  71 extern void set_known_card_info(struct s_reader *reader, const unsigned char *atr, const uint32_t *atr_size);
  72
  73 int32_t videoguard_get_emm_type(EMM_PACKET *ep, struct s_reader *rdr);
  74 int32_t videoguard_get_emm_filter(struct s_reader *rdr, struct s_csystem_emm_filter **, unsigned int *);
  75 int32_t videoguard_do_emm(struct s_reader *reader, EMM_PACKET *ep, unsigned char CLA,
  76                                                   void (*read_tiers)(struct s_reader *),
  77                                                   int32_t (*docmd)(struct s_reader *, const unsigned char *ins, const unsigned char *txbuff, unsigned char *rxbuff, unsigned char *cta_res)
  78                                                  );
  79 void videoguard_mail_msg(struct s_reader *rdr, uint8_t *data);
  80
  81 #endif // __NDS_COMMON__
  82