libcacard/vcard_emul.h

   1 /*
   2  * This is the actual card emulator.
   3  *
   4  * These functions can be implemented in different ways on different platforms
   5  * using the underlying system primitives. For Linux it uses NSS, though direct
   6  * to PKCS #11, openssl+pkcs11, or even gnu crypto libraries+pkcs #11 could be
   7  * used. On Windows CAPI could be used.
   8  *
   9  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
  10  * See the COPYING.LIB file in the top-level directory.
  11  */
  12
  13 #ifndef VCARD_EMUL_H
  14 #define VCARD_EMUL_H 1
  15
  16 #include "card_7816t.h"
  17 #include "vcard.h"
  18 #include "vcard_emul_type.h"
  19
  20 /*
  21  * types
  22  */
  23 typedef enum {
  24     VCARD_EMUL_OK = 0,
  25     VCARD_EMUL_FAIL,
  26     /* return values by vcard_emul_init */
  27     VCARD_EMUL_INIT_ALREADY_INITED,
  28 } VCardEmulError;
  29
  30 /* options are emul specific. call card_emul_parse_args to change a string
  31  * To an options struct */
  32 typedef struct VCardEmulOptionsStruct VCardEmulOptions;
  33
  34 /*
  35  * Login functions
  36  */
  37 /* return the number of login attempts still possible on the card. if unknown,
  38  * return -1 */
  39 int vcard_emul_get_login_count(VCard *card);
  40 /* login into the card, return the 7816 status word (sw2 || sw1) */
  41 vcard_7816_status_t vcard_emul_login(VCard *card, unsigned char *pin,
  42                                      int pin_len);
  43
  44 /*
  45  * key functions
  46  */
  47 /* delete a key */
  48 void vcard_emul_delete_key(VCardKey *key);
  49 /* RSA sign/decrypt with the key, signature happens 'in place' */
  50 vcard_7816_status_t vcard_emul_rsa_op(VCard *card, VCardKey *key,
  51                                   unsigned char *buffer, int buffer_size);
  52
  53 void vcard_emul_reset(VCard *card, VCardPower power);
  54 void vcard_emul_get_atr(VCard *card, unsigned char *atr, int *atr_len);
  55
  56 /* Re-insert of a card that has been removed by force removal */
  57 VCardEmulError vcard_emul_force_card_insert(VReader *vreader);
  58 /* Force a card removal even if the card is not physically removed */
  59 VCardEmulError vcard_emul_force_card_remove(VReader *vreader);
  60
  61 VCardEmulOptions *vcard_emul_options(const char *args);
  62 VCardEmulError vcard_emul_init(const VCardEmulOptions *options);
  63 void vcard_emul_replay_insertion_events(void);
  64 void vcard_emul_usage(void);
  65 #endif