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Port des on device to mbedtls_des

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This commit is contained in:
Bjoern Kerler 2020-04-12 20:58:41 +02:00
commit 4501805709
6 changed files with 41 additions and 683 deletions
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8
armsrc/mifareutil.c
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@ -18,7 +18,7 @@
#include "commonutil.h"
#include "crc16.h"
#include "protocols.h"
#include "des.h"
#include "desfire_crypto.h"
int DBGLEVEL = DBG_ERROR;
@ -296,7 +296,7 @@ int mifare_ultra_auth(uint8_t *keybytes) {
memcpy(enc_random_b, resp + 1, 8);
// decrypt nonce.
tdes_2key_dec((void *)random_b, (void *)enc_random_b, sizeof(random_b), (const void *)key, IV);
tdes_nxp_receive((void *)enc_random_b, (void *)random_b, sizeof(random_b), (const void *)key, IV,2);
rol(random_b, 8);
memcpy(rnd_ab, random_a, 8);
memcpy(rnd_ab + 8, random_b, 8);
@ -316,7 +316,7 @@ int mifare_ultra_auth(uint8_t *keybytes) {
}
// encrypt out, in, length, key, iv
tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);
tdes_nxp_send(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b,2);
len = mifare_sendcmd(MIFARE_ULC_AUTH_2, rnd_ab, sizeof(rnd_ab), resp, respPar, NULL);
if (len != 11) {
@ -329,7 +329,7 @@ int mifare_ultra_auth(uint8_t *keybytes) {
memcpy(enc_resp, resp + 1, 8);
// decrypt out, in, length, key, iv
tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);
tdes_nxp_receive(enc_resp, resp_random_a, 8, key, enc_random_b,2);
if (memcmp(resp_random_a, random_a, 8) != 0) {
if (DBGLEVEL >= DBG_ERROR) Dbprintf("failed authentication");
return 0;