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move transaction counter

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This commit is contained in:
merlokk 2021-08-20 23:59:11 +03:00
commit 10561e9969
1 changed files with 2 additions and 3 deletions
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3
client/src/cmdhfmfdes.c
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@ -4624,16 +4624,15 @@ static int DesfileReadFileAndPrint(DesfireContext *dctx, uint8_t fnum, int filet
PrintAndLogEx(WARNING, "Read wrong %zu bytes from file 0x%02x offset %u", resplen, fnum, offset);
print_buffer_with_offset(resp, resplen, offset, true);
} else {
if (dctx->secureChannel != DACLRP) {
uint32_t cnt = MemLeToUint4byte(&resp[0]);
transactionCounter = cnt;
if (dctx->secureChannel != DACLRP) {
PrintAndLogEx(SUCCESS, "Transaction counter: %d (0x%08x)", cnt, cnt);
} else {
// For composing TMC the two subparts are concatenated as follows: actTMC || sesTMC. Both subparts are represented LSB first.
// MF2DLHX0.pdf, 10.3.2.1 Transaction MAC Counter, page 41
uint32_t actTMC = MemLeToUint2byte(&resp[0]);
uint32_t sessTMC = MemLeToUint2byte(&resp[2]);
transactionCounter = actTMC;
PrintAndLogEx(SUCCESS, "Session tr counter : %d (0x%08x)", sessTMC, sessTMC);
PrintAndLogEx(SUCCESS, "Actual tr counter : %d (0x%08x)", actTMC, actTMC);
}