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iceman1001 2025-06-11 21:40:54 +02:00
commit 92c288ab85
3 changed files with 9 additions and 12 deletions
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6
armsrc/mifareutil.c
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@ -440,21 +440,17 @@ int mifare_ultra_aes_auth(uint8_t keyno, uint8_t *keybytes) {
uint8_t key[16] = { 0 };
memcpy(key, keybytes, sizeof(key));
uint16_t len = 0;
// 1 cmd + 16 bytes + 2 crc
uint8_t resp[19] = {0x00};
uint8_t respPar[5] = {0};
// setup AES
mbedtls_aes_context actx;
mbedtls_aes_init(&actx);
mbedtls_aes_init(&actx);
mbedtls_aes_setkey_dec(&actx, key, 128);
// Send REQUEST AUTHENTICATION / receive tag nonce
len = mifare_sendcmd_short(NULL, CRYPT_NONE, MIFARE_ULAES_AUTH_1, keyno, resp, sizeof(resp), respPar, NULL);
uint16_t len = mifare_sendcmd_short(NULL, CRYPT_NONE, MIFARE_ULAES_AUTH_1, keyno, resp, sizeof(resp), respPar, NULL);
if (len != 19) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("Cmd Error: %02x - expected 19 got " _RED_("%u"), resp[0], len);
return 0;