crewID/libfreefare
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

New API function mifare_desfire_set_default_key().

Browse source
This commit is contained in:
Romain Tartiere 2010-12-24 20:41:43 +00:00
parent 8ff63ea1f3
commit adbba0342b
5 changed files with 282 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

1
libfreefare/freefare.h
View file

@ -319,6 +319,7 @@ 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_set_default_key (MifareTag tag, MifareDESFireKey key);
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);

37
libfreefare/mifare_desfire.c
View file

@ -892,6 +892,43 @@ mifare_desfire_set_configuration (MifareTag tag, bool disable_format, bool enabl
return 0;
}
int
mifare_desfire_set_default_key (MifareTag tag, MifareDESFireKey key)
{
ASSERT_ACTIVE (tag);
ASSERT_MIFARE_DESFIRE (tag);
BUFFER_INIT (cmd, 34);
BUFFER_INIT (res, 1 + CMAC_LENGTH);
BUFFER_APPEND (cmd, 0x5C);
BUFFER_APPEND (cmd, 0x01);
size_t key_data_length;
switch (key->type) {
case T_DES:
case T_3DES:
case T_AES:
key_data_length = 16;
break;
case T_3K3DES:
key_data_length = 24;
break;
}
BUFFER_APPEND_BYTES (cmd, key->data, key_data_length);
while (__cmd_n < 26)
BUFFER_APPEND (cmd, 0x00);
BUFFER_APPEND (cmd, mifare_desfire_key_get_version (key));
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)
{