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CHG: some minor changes to the 14b, the read 14b lua,

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This commit is contained in:
iceman1001 2016-03-01 07:03:00 +01:00
parent cf69eca0ff
commit ff3e074478
3 changed files with 26 additions and 27 deletions
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15
armsrc/iso14443b.c
View file

@ -778,11 +778,11 @@ static void GetSamplesFor14443bDemod(int n, bool quiet)
AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS;
if (!quiet && Demod.len == 0) {
Dbprintf("max behindby = %d, samples = %d, gotFrame = %d, Demod.len = %d, Demod.sumI = %d, Demod.sumQ = %d",
if (!quiet) {
Dbprintf("max behindby = %d, samples = %d, gotFrame = %s, Demod.len = %d, Demod.sumI = %d, Demod.sumQ = %d",
max,
samples,
gotFrame,
(gotFrame) ? "true" : "false",
Demod.len,
Demod.sumI,
Demod.sumQ
@ -995,7 +995,7 @@ int iso14443b_select_card()
void iso14443b_setup() {
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
BigBuf_free();
// Set up the synchronous serial port
FpgaSetupSsc();
@ -1009,7 +1009,7 @@ void iso14443b_setup() {
//SpinDelay(100);
// Start the timer
//StartCountSspClk();
StartCountSspClk();
DemodReset();
UartReset();
@ -1324,6 +1324,11 @@ void RAMFUNC SnoopIso14443b(void)
*/
void SendRawCommand14443B(uint32_t datalen, uint32_t recv, uint8_t powerfield, uint8_t data[])
{
// param ISO_
// param ISO_CONNECT
// param ISO14A_NO_DISCONNECT
//if (param & ISO14A_NO_DISCONNECT)
// return;
iso14443b_setup();
if ( datalen == 0 && recv == 0 && powerfield == 0){

36
client/cmdhf14b.c
View file

@ -688,11 +688,6 @@ uint32_t srix4kEncode(uint32_t value) {
// vv vv vv pp
4 bytes : 00 1A 20 01
*/
#define NibbleHigh(b) ( (b & 0xF0) >> 4 )
#define NibbleLow(b) ( b & 0x0F )
#define Crumb(b,p) (((b & (0x3 << p) ) >> p ) & 0xF)
// only the lower crumbs.
uint8_t block = (value & 0xFF);
uint8_t i = 0;
@ -703,18 +698,18 @@ uint32_t srix4kEncode(uint32_t value) {
// Scrambled part
// Crumb swapping of value.
uint8_t temp[] = {0,0};
temp[0] = (Crumb(value, 22) << 4 | Crumb(value, 14 ) << 2 | Crumb(value, 6)) << 4;
temp[0] |= Crumb(value, 20) << 4 | Crumb(value, 12 ) << 2 | Crumb(value, 4);
temp[1] = (Crumb(value, 18) << 4 | Crumb(value, 10 ) << 2 | Crumb(value, 2)) << 4;
temp[1] |= Crumb(value, 16) << 4 | Crumb(value, 8 ) << 2 | Crumb(value, 0);
temp[0] = (CRUMB(value, 22) << 4 | CRUMB(value, 14 ) << 2 | CRUMB(value, 6)) << 4;
temp[0] |= CRUMB(value, 20) << 4 | CRUMB(value, 12 ) << 2 | CRUMB(value, 4);
temp[1] = (CRUMB(value, 18) << 4 | CRUMB(value, 10 ) << 2 | CRUMB(value, 2)) << 4;
temp[1] |= CRUMB(value, 16) << 4 | CRUMB(value, 8 ) << 2 | CRUMB(value, 0);
// chksum part
uint32_t chksum = 0xFF - block;
// chksum is reduced by each nibbles of value.
for (i = 0; i < 3; ++i){
chksum -= NibbleHigh(valuebytes[i]);
chksum -= NibbleLow(valuebytes[i]);
chksum -= NIBBLE_HIGH(valuebytes[i]);
chksum -= NIBBLE_LOW(valuebytes[i]);
}
// base4 conversion and left shift twice
@ -727,17 +722,17 @@ uint32_t srix4kEncode(uint32_t value) {
// merge scambled and chksum parts
uint32_t encvalue =
( NibbleLow ( base4[0]) << 28 ) |
( NibbleHigh( temp[0]) << 24 ) |
( NIBBLE_LOW ( base4[0]) << 28 ) |
( NIBBLE_HIGH( temp[0]) << 24 ) |
( NibbleLow ( base4[1]) << 20 ) |
( NibbleLow ( temp[0]) << 16 ) |
( NIBBLE_LOW ( base4[1]) << 20 ) |
( NIBBLE_LOW ( temp[0]) << 16 ) |
( NibbleLow ( base4[2]) << 12 ) |
( NibbleHigh( temp[1]) << 8 ) |
( NIBBLE_LOW ( base4[2]) << 12 ) |
( NIBBLE_HIGH( temp[1]) << 8 ) |
( NibbleLow ( base4[3]) << 4 ) |
NibbleLow ( temp[1] );
( NIBBLE_LOW ( base4[3]) << 4 ) |
NIBBLE_LOW ( temp[1] );
PrintAndLog("ICE encoded | %08X -> %08X", value, encvalue);
return encvalue;
@ -804,8 +799,7 @@ int CmdteaSelfTest(const char *Cmd){
SwapEndian64ex(v , 8, 4, v_ptr);
// ENCRYPTION KEY:
uint8_t key[16] = {0x00};
uint8_t key[16] = {0x55,0xFE,0xF6,0x30,0x62,0xBF,0x0B,0xC1,0xC9,0xB3,0x7C,0x34,0x97,0x3E,0x29,0xFB };
uint8_t keyle[16];
uint8_t* key_ptr = keyle;
SwapEndian64ex(key , sizeof(key), 4, key_ptr);

2
client/lualibs/read14b.lua
View file

@ -107,7 +107,7 @@ local function select1443b()
-- bit 0-1-2 | N slots ( 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 == 16)
-- bit 3 | (1== WUPB, 0 == REQB)
-- bit 4-5-6-7 | AFI application family identifier
local result, err = sendRaw('050000', 1, 1)
local result, err = sendRaw('050008', 1, 1)
if result then
resp = Command.parse( result )
len = tonumber(resp.arg1) * 2