github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-14 02:27:26 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

mfc writes now support tear off

Browse source
This commit is contained in:
iceman1001 2023-03-26 13:58:27 +02:00
commit 82f5c8512d
3 changed files with 76 additions and 52 deletions
Download patch file Download diff file Expand all files Collapse all files

26
armsrc/mifareutil.c
View file

@ -18,6 +18,7 @@
//-----------------------------------------------------------------------------
#include "mifareutil.h"
#include "appmain.h" // tearoff hook
#include "string.h"
#include "BigBuf.h"
#include "iso14443a.h"
@ -451,18 +452,23 @@ int mifare_classic_writeblock_ex(struct Crypto1State *pcs, uint32_t uid, uint8_t
ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);
// Receive the response
len = ReaderReceive(receivedAnswer, receivedAnswerPar);
// tearoff occurred
if (tearoff_hook() == PM3_ETEAROFF) {
return PM3_ETEAROFF;
} else {
// Receive the response
len = ReaderReceive(receivedAnswer, receivedAnswerPar);
uint8_t res = 0;
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 0)) << 0;
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 1)) << 1;
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 2)) << 2;
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 3)) << 3;
uint8_t res = 0;
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 0)) << 0;
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 1)) << 1;
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 2)) << 2;
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 3)) << 3;
if ((len != 1) || (res != 0x0A)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("Cmd send data2 Error: %02x", res);
return 2;
if ((len != 1) || (res != 0x0A)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("Cmd send data2 Error: %02x", res);
return 2;
}
}
return 0;
}