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Enable the mifare-desfire-ev1-configure-random-uid example.

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This commit is contained in:
Romain Tartiere 2010-12-15 13:19:42 +00:00
parent b91080ffc7
commit 3fd80a3eff
3 changed files with 60 additions and 0 deletions
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4
examples/Makefile.am
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@ -6,6 +6,7 @@ AM_LDFLAGS = @LIBNFC_LIBS@
bin_PROGRAMS = mifare-classic-format \
mifare-classic-write-ndef \
mifare-desfire-access \
mifare-desfire-ev1-configure-random-uid \
mifare-desfire-format \
mifare-desfire-info \
mifare-desfire-write-ndef
@ -19,6 +20,9 @@ mifare_classic_write_ndef_LDADD = -lnfc $(top_builddir)/libfreefare/libfreefare.
mifare_desfire_access_SOURCES = mifare-desfire-access.c
mifare_desfire_access_LDADD = -lnfc $(top_builddir)/libfreefare/libfreefare.la
mifare_desfire_ev1_configure_random_uid_SOURCES = mifare-desfire-ev1-configure-random-uid.c
mifare_desfire_ev1_configure_random_uid_LDADD = -lnfc $(top_builddir)/libfreefare/libfreefare.la
mifare_desfire_format_SOURCES = mifare-desfire-format.c
mifare_desfire_format_LDADD = -lnfc $(top_builddir)/libfreefare/libfreefare.la

2
libfreefare/freefare.h
View file

@ -317,6 +317,8 @@ int mifare_desfire_select_application (MifareTag tag, MifareDESFireAID aid);
int mifare_desfire_format_picc (MifareTag tag);
int mifare_desfire_get_version (MifareTag tag, struct mifare_desfire_version_info *version_info);
int mifare_desfire_free_mem (MifareTag tag, uint32_t *size);
int mifare_desfire_set_configuration (MifareTag tag, bool disable_format, bool enable_random_uid);
int mifare_desfire_get_card_uid (MifareTag tag, char **uid);
int mifare_desfire_get_file_ids (MifareTag tag, uint8_t *files[], size_t *count);
int mifare_desfire_get_file_settings (MifareTag tag, uint8_t file_no, struct mifare_desfire_file_settings *settings);
int mifare_desfire_change_file_settings (MifareTag tag, uint8_t file_no, uint8_t communication_settings, uint16_t access_rights);

54
libfreefare/mifare_desfire.c
View file

@ -835,6 +835,60 @@ mifare_desfire_free_mem (MifareTag tag, uint32_t *size)
return 0;
}
int
mifare_desfire_set_configuration (MifareTag tag, bool disable_format, bool enable_random_uid)
{
ASSERT_ACTIVE (tag);
ASSERT_MIFARE_DESFIRE (tag);
BUFFER_INIT (cmd, 10);
BUFFER_INIT (res, 1 + CMAC_LENGTH);
BUFFER_APPEND (cmd, 0x5C);
BUFFER_APPEND (cmd, 0x00);
BUFFER_APPEND (cmd, (enable_random_uid ? 0x02 : 0x00) | (disable_format ? 0x01 : 0x00));
uint8_t *p = mifare_cryto_preprocess_data (tag, cmd, &__cmd_n, 2, MDCM_ENCIPHERED | ENC_COMMAND);
DESFIRE_TRANSCEIVE2 (tag, p, __cmd_n, res);
ssize_t sn = __res_n;
p = mifare_cryto_postprocess_data (tag, res, &sn, MDCM_PLAIN | CMAC_COMMAND | CMAC_VERIFY);
return 0;
}
int
mifare_desfire_get_card_uid (MifareTag tag, char **uid)
{
ASSERT_ACTIVE (tag);
ASSERT_MIFARE_DESFIRE (tag);
ASSERT_NOT_NULL (uid);
BUFFER_INIT (cmd, 1);
BUFFER_INIT (res, 17 + CMAC_LENGTH);
BUFFER_APPEND (cmd, 0x51);
uint8_t *p = mifare_cryto_preprocess_data (tag, cmd, &__cmd_n, 1, MDCM_PLAIN | CMAC_COMMAND);
DESFIRE_TRANSCEIVE2 (tag, p, __cmd_n, res);
ssize_t sn = __res_n;
p = mifare_cryto_postprocess_data (tag, res, &sn, MDCM_ENCIPHERED);
if (!(*uid = malloc (2*7+1))) {
return -1;
}
sprintf (*uid, "%02x%02x%02x%02x%02x%02x%02x",
p[0], p[1], p[2], p[3],
p[4], p[5], p[6]);
return 0;
}
/* Application level commands */