crewID/libnfc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Make use of the now available Tk info

Browse source
This commit is contained in:
Philippe Teuwen 2010-10-14 18:33:17 +00:00
parent cbca45e21c
commit ffe50562dd
5 changed files with 17 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

14
examples/nfc-relay-picc.c
View file

@ -320,13 +320,21 @@ main (int argc, char *argv[])
// | +-------- DR=2,4 DS=2,4 => supports 106, 212 & 424bps in both directions
// +----------- TA,TB,TC, FSCI=5 => FSC=64
// It seems hazardous to tell we support NAD if the tag doesn't support NAD but I don't know how to disable it
// PC/SC pseudo-ATR = 3B 80 80 01 01
// PC/SC pseudo-ATR = 3B 80 80 01 01 if there is no historical bytes
// Creates ATS and copy max 48 bytes of Tk:
byte_t * pbtTk;
size_t szTk;
pbtTk = iso14443a_locate_historical_bytes (ntEmulatedTarget.nti.nai.abtAts, ntEmulatedTarget.nti.nai.szAts, &szTk);
szTk = (szTk > 48) ? 48 : szTk;
byte_t pbtTkt[48];
memcpy(pbtTkt, pbtTk, szTk);
ntEmulatedTarget.nti.nai.abtAts[0] = 0x75;
ntEmulatedTarget.nti.nai.abtAts[1] = 0x33;
ntEmulatedTarget.nti.nai.abtAts[2] = 0x92;
ntEmulatedTarget.nti.nai.abtAts[3] = 0x03;
ntEmulatedTarget.nti.nai.szAtsLen = 4;
//FIXME we could actually emulate also the historical bytes of the tag once libnfc API supports it...
ntEmulatedTarget.nti.nai.szAtsLen = 4 + szTk;
memcpy(&(ntEmulatedTarget.nti.nai.abtAts[4]), pbtTkt, szTk);
printf("We will emulate:\n");
print_nfc_iso14443a_info (ntEmulatedTarget.nti.nai);