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Fix mifare_desfire_get_key_version() when authenticated with an AES key.

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This commit is contained in:
Romain Tartiere 2010-12-15 13:34:15 +00:00
parent 3fd80a3eff
commit 94bf8d83c6
2 changed files with 20 additions and 7 deletions
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9
libfreefare/mifare_desfire.c
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@ -574,9 +574,14 @@ mifare_desfire_get_key_version (MifareTag tag, uint8_t key_no, uint8_t *version)
BUFFER_INIT (res, 2 + CMAC_LENGTH);
DESFIRE_TRANSCEIVE (tag, cmd, res);
uint8_t *p = mifare_cryto_preprocess_data (tag, cmd, &__cmd_n, 0, MDCM_PLAIN | CMAC_COMMAND);
*version = res[0];
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);
*version = p[0];
return 0;
}