sc_find_app_by_aid 3 opensc sc_find_app_by_aid Find an application on a card #include <opensc.h> const sc_app_info_t *sc_find_app_by_aid(sc_card_t *card, const unsigned char *aid, size_t aid_len); This function finds an application on card by its aid. The AID's length is specified in aid_len. Before calling this function, you MUST call sc_enum_apps() first. Returns a sc_app_info_t structure describing the application corresponding to aid, or NULL if none was found.