- `hf 15 sim` now works as expected (piwi)
### Added
+- Added `lf config s xxxx` option to allow skipping x samples before capture (marshmellow)
+- Added `lf em 4x05protect` to support changing protection blocks on em4x05 chips (marshmellow)
- Support Standard Communication Mode in HITAG S
- Added `hf emv scan` - commands for scan EMV card and dump data to json file (Merlok)
- `hf mfp` group of commands (Merlok)
case CMD_EM4X_WRITE_WORD:
EM4xWriteWord(c->arg[0], c->arg[1], c->arg[2]);
break;
+ case CMD_EM4X_PROTECT:
+ EM4xProtect(c->arg[0], c->arg[1], c->arg[2]);
+ break;
case CMD_AWID_DEMOD_FSK: // Set realtime AWID demodulation
CmdAWIDdemodFSK(c->arg[0], 0, 0, 1);
break;
//void T55xxReadTrace(void);
void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode);
void EM4xWriteWord(uint32_t flag, uint32_t Data, uint32_t Pwd);
+void EM4xProtect(uint32_t flag, uint32_t Data, uint32_t Pwd);
void Cotag(uint32_t arg0);
/// iso14443.h
* and enlarge the gap ones.
* Q5 tags seems to have issues when these values changes.
*/
-#define START_GAP 31*8 // was 250 // SPEC: 1*8 to 50*8 - typ 15*8 (or 15fc)
-#define WRITE_GAP 20*8 // was 160 // SPEC: 1*8 to 20*8 - typ 10*8 (or 10fc)
-#define WRITE_0 18*8 // was 144 // SPEC: 16*8 to 32*8 - typ 24*8 (or 24fc)
-#define WRITE_1 50*8 // was 400 // SPEC: 48*8 to 64*8 - typ 56*8 (or 56fc) 432 for T55x7; 448 for E5550
+
+/* Q5 timing datasheet:
+ * Type | MIN | Typical | Max |
+ * Start_Gap | 10*8 | ? | 50*8 |
+ * Write_Gap Normal mode | 8*8 | 14*8 | 20*8 |
+ * Write_Gap Fast Mode | 8*8 | ? | 20*8 |
+ * Write_0 Normal mode | 16*8 | 24*8 | 32*8 |
+ * Write_1 Normal mode | 48*8 | 56*8 | 64*8 |
+ * Write_0 Fast Mode | 8*8 | 12*8 | 16*8 |
+ * Write_1 Fast Mode | 24*8 | 28*8 | 32*8 |
+*/
+
+/* T5557 timing datasheet:
+ * Type | MIN | Typical | Max |
+ * Start_Gap | 10*8 | ? | 50*8 |
+ * Write_Gap Normal mode | 8*8 |50-150us | 30*8 |
+ * Write_Gap Fast Mode | 8*8 | ? | 20*8 |
+ * Write_0 Normal mode | 16*8 | 24*8 | 31*8 |
+ * Write_1 Normal mode | 48*8 | 54*8 | 63*8 |
+ * Write_0 Fast Mode | 8*8 | 12*8 | 15*8 |
+ * Write_1 Fast Mode | 24*8 | 28*8 | 31*8 |
+*/
+
+/* T5577C timing datasheet for Fixed-Bit-Length protocol (defualt):
+ * Type | MIN | Typical | Max |
+ * Start_Gap | 8*8 | 15*8 | 50*8 |
+ * Write_Gap Normal mode | 8*8 | 10*8 | 20*8 |
+ * Write_Gap Fast Mode | 8*8 | 10*8 | 20*8 |
+ * Write_0 Normal mode | 16*8 | 24*8 | 32*8 |
+ * Write_1 Normal mode | 48*8 | 56*8 | 64*8 |
+ * Write_0 Fast Mode | 8*8 | 12*8 | 16*8 |
+ * Write_1 Fast Mode | 24*8 | 28*8 | 32*8 |
+*/
+
+//note startgap must be sent after tag has been powered up for more than 3ms (per T5557 ds)
+#define START_GAP 31*8 //31*8 // was 250 // SPEC: 1*8 to 50*8 - typ 15*8 (or 15fc) - T5557: 10*8 to 50*8
+#define WRITE_GAP 20*8 //20*8 // was 160 // SPEC: 1*8 to 20*8 - typ 10*8 (or 10fc) - T5557: 8*8 to 30*8 typ 50-150us
+#define WRITE_0 18*8 //18*8 // was 144 // SPEC: 16*8 to 32*8 - typ 24*8 (or 24fc) - T5557: 16*8 to 31*8 typ 24*8
+#define WRITE_1 50*8 //50*8 // was 400 // SPEC: 48*8 to 64*8 - typ 56*8 (or 56fc) - T5557: 48*8 to 63*8 typ 54*8 432 for T55x7; 448 for E5550
#define READ_GAP 15*8
void TurnReadLFOn(int delay) {
T55xxWriteBit(1);
T55xxWriteBit(Page); //Page 0
- if (PwdMode){
+ if (PwdMode) {
// Send Pwd
for (i = 0x80000000; i != 0; i >>= 1)
T55xxWriteBit(Pwd & i);
#define FWD_CMD_WRITE 0xA
#define FWD_CMD_READ 0x9
#define FWD_CMD_DISABLE 0x5
+#define FWD_CMD_PROTECT 0x3
uint8_t forwardLink_data[64]; //array of forwarded bits
uint8_t * forward_ptr; //ptr for forward message preparation
void EM4xWriteWord(uint32_t flag, uint32_t Data, uint32_t Pwd) {
- bool PwdMode = (flag & 0xF);
+ bool PwdMode = (flag & 0x1);
uint8_t Address = (flag >> 8) & 0xFF;
uint8_t fwd_bit_count;
LED_A_OFF();
cmd_send(CMD_ACK,0,0,0,0,0);
}
+
+void EM4xProtect(uint32_t flag, uint32_t Data, uint32_t Pwd) {
+
+ bool PwdMode = (flag & 0x1);
+ uint8_t fwd_bit_count;
+
+ //clear buffer now so it does not interfere with timing later
+ BigBuf_Clear_ext(false);
+
+ LED_A_ON();
+ StartTicks();
+ //If password mode do login
+ if (PwdMode) EM4xLogin(Pwd);
+
+ forward_ptr = forwardLink_data;
+ fwd_bit_count = Prepare_Cmd( FWD_CMD_PROTECT );
+
+ //unsure if this needs the full packet config...
+ fwd_bit_count += Prepare_Data( Data&0xFFFF, Data>>16 );
+
+ SendForward(fwd_bit_count);
+
+ //Wait for write to complete
+ //SpinDelay(10);
+
+ WaitUS(6500);
+ //Capture response if one exists
+ DoPartialAcquisition(20, true, 6000, 1000);
+
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
+ LED_A_OFF();
+ cmd_send(CMD_ACK,0,0,0,0,0);
+}
/*
Reading a COTAG.
#include "usb_cdc.h" // for usb_poll_validate_length
#include "fpgaloader.h"
-sample_config config = { 1, 8, 1, 95, 0 } ;
+sample_config config = { 1, 8, 1, 95, 0, 0 } ;
void printConfig()
{
Dbprintf(" [d] decimation: %d ", config.decimation);
Dbprintf(" [a] averaging: %d ", config.averaging);
Dbprintf(" [t] trigger threshold: %d ", config.trigger_threshold);
+ Dbprintf(" [s] samples to skip: %d ", config.samples_to_skip);
}
* Other functions may read samples and ignore the sampling config,
* such as functions to read the UID from a prox tag or similar.
*
- * Values set to '0' implies no change (except for averaging)
+ * Values set to '0' implies no change (except for averaging, threshold, samples_to_skip)
* @brief setSamplingConfig
* @param sc
*/
if(sc->bits_per_sample!= 0) config.bits_per_sample= sc->bits_per_sample;
if(sc->decimation!= 0) config.decimation= sc->decimation;
if(sc->trigger_threshold != -1) config.trigger_threshold= sc->trigger_threshold;
+ if(sc->samples_to_skip != -1) config.samples_to_skip = sc->samples_to_skip;
config.averaging= sc->averaging;
if(config.bits_per_sample > 8) config.bits_per_sample = 8;
* @param silent - is true, now outputs are made. If false, dbprints the status
* @return the number of bits occupied by the samples.
*/
-uint32_t DoAcquisition(uint8_t decimation, uint32_t bits_per_sample, bool averaging, int trigger_threshold, bool silent, int bufsize, int cancel_after)
+uint32_t DoAcquisition(uint8_t decimation, uint32_t bits_per_sample, bool averaging, int trigger_threshold, bool silent, int bufsize, int cancel_after, int samples_to_skip)
{
//.
uint8_t *dest = BigBuf_get_addr();
uint32_t sample_total_numbers =0 ;
uint32_t sample_total_saved =0 ;
uint32_t cancel_counter = 0;
+ uint32_t samples_skipped = 0;
while(!BUTTON_PRESS() && !usb_poll_validate_length() ) {
WDT_HIT();
continue;
}
trigger_threshold = 0;
+ if (samples_to_skip > samples_skipped) {
+ samples_skipped++;
+ continue;
+ }
sample_total_numbers++;
if(averaging)
*/
uint32_t DoAcquisition_default(int trigger_threshold, bool silent)
{
- return DoAcquisition(1,8,0,trigger_threshold,silent,0,0);
+ return DoAcquisition(1,8,0,trigger_threshold,silent,0,0,0);
}
uint32_t DoAcquisition_config(bool silent, int sample_size)
{
,config.trigger_threshold
,silent
,sample_size
- ,0);
+ ,0
+ ,config.samples_to_skip);
}
uint32_t DoPartialAcquisition(int trigger_threshold, bool silent, int sample_size, int cancel_after) {
- return DoAcquisition(1,8,0,trigger_threshold,silent,sample_size,cancel_after);
+ return DoAcquisition(1,8,0,trigger_threshold,silent,sample_size,cancel_after,0);
}
uint32_t ReadLF(bool activeField, bool silent, int sample_size)
{
PrintAndLog("Usage: lf config [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
PrintAndLog("Options: ");
- PrintAndLog(" h This help");
- PrintAndLog(" L Low frequency (125 KHz)");
- PrintAndLog(" H High frequency (134 KHz)");
- PrintAndLog(" q <divisor> Manually set divisor. 88-> 134 KHz, 95-> 125 KHz");
- PrintAndLog(" b <bps> Sets resolution of bits per sample. Default (max): 8");
- PrintAndLog(" d <decim> Sets decimation. A value of N saves only 1 in N samples. Default: 1");
- PrintAndLog(" a [0|1] Averaging - if set, will average the stored sample value when decimating. Default: 1");
- PrintAndLog(" t <threshold> Sets trigger threshold. 0 means no threshold (range: 0-128)");
+ PrintAndLog(" h This help");
+ PrintAndLog(" L Low frequency (125 KHz)");
+ PrintAndLog(" H High frequency (134 KHz)");
+ PrintAndLog(" q <divisor> Manually set divisor. 88-> 134 KHz, 95-> 125 KHz");
+ PrintAndLog(" b <bps> Sets resolution of bits per sample. Default (max): 8");
+ PrintAndLog(" d <decim> Sets decimation. A value of N saves only 1 in N samples. Default: 1");
+ PrintAndLog(" a [0|1] Averaging - if set, will average the stored sample value when decimating. Default: 1");
+ PrintAndLog(" t <threshold> Sets trigger threshold. 0 means no threshold (range: 0-128)");
+ PrintAndLog(" s <smplstoskip> Sets a number of samples to skip before capture. Default: 0");
PrintAndLog("Examples:");
PrintAndLog(" lf config b 8 L");
- PrintAndLog(" Samples at 125KHz, 8bps.");
+ PrintAndLog(" Samples at 125KHz, 8bps.");
PrintAndLog(" lf config H b 4 d 3");
- PrintAndLog(" Samples at 134KHz, averages three samples into one, stored with ");
- PrintAndLog(" a resolution of 4 bits per sample.");
+ PrintAndLog(" Samples at 134KHz, averages three samples into one, stored with ");
+ PrintAndLog(" a resolution of 4 bits per sample.");
PrintAndLog(" lf read");
- PrintAndLog(" Performs a read (active field)");
+ PrintAndLog(" Performs a read (active field)");
PrintAndLog(" lf snoop");
- PrintAndLog(" Performs a snoop (no active field)");
+ PrintAndLog(" Performs a snoop (no active field)");
return 0;
}
bool errors = false;
int trigger_threshold =-1;//Means no change
uint8_t unsigned_trigg = 0;
+ int samples_to_skip = -1;
uint8_t cmdp =0;
while(param_getchar(Cmd, cmdp) != 0x00)
averaging = param_getchar(Cmd,cmdp+1) == '1';
cmdp+=2;
break;
+ case 's':
+ samples_to_skip = param_get32ex(Cmd,cmdp+1,0,10);
+ cmdp+=2;
+ break;
default:
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = 1;
if(bps >> 4) bps = 8;
sample_config config = {
- decimation,bps,averaging,divisor,trigger_threshold
+ decimation,bps,averaging,divisor,trigger_threshold,samples_to_skip
};
//Averaging is a flag on high-bit of arg[1]
UsbCommand c = {CMD_SET_LF_SAMPLING_CONFIG};
return EM4x05WriteWord(addr, data, pwd, usePwd, swap, invert);
}
+int usage_lf_em_protect(void) {
+ PrintAndLog("Protect EM4x05. Tag must be on antenna. ");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf em 4x05protect [h] d <data> p <pwd> [s] [i]");
+ PrintAndLog("Options:");
+ PrintAndLog(" h - this help");
+ PrintAndLog(" d <data> - data to write (hex)");
+ PrintAndLog(" p <pwd> - password (hex) (optional)");
+ PrintAndLog(" s - swap the data bit order before write");
+ PrintAndLog(" i - invert the data bits before write");
+ PrintAndLog("samples:");
+ PrintAndLog(" lf em 4x05protect d 11223344");
+ PrintAndLog(" lf em 4x05protect p deadc0de d 11223344 s i");
+ return 0;
+}
+
+int EM4x05Protect(uint32_t data, uint32_t pwd, bool usePwd, bool swap, bool invert) {
+ if (swap) data = SwapBits(data, 32);
+
+ if (invert) data ^= 0xFFFFFFFF;
+
+ if ( !usePwd ) {
+ PrintAndLog("Writing Protect data %08X", data);
+ } else {
+ PrintAndLog("Writing Protect data %08X using password %08X", data, pwd);
+ }
+
+ uint16_t flag = usePwd;
+
+ UsbCommand c = {CMD_EM4X_PROTECT, {flag, data, pwd}};
+ clearCommandBuffer();
+ SendCommand(&c);
+ UsbCommand resp;
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)){
+ PrintAndLog("Error occurred, device did not respond during protect operation.");
+ return -1;
+ }
+ if ( !downloadSamplesEM() ) {
+ return -1;
+ }
+ //check response for 00001010 for write confirmation!
+ //attempt demod:
+ uint32_t dummy = 0;
+ int result = demodEM4x05resp(&dummy,false);
+ if (result == 1) {
+ PrintAndLog("Protect Verified");
+ } else {
+ PrintAndLog("Protect could not be verified");
+ }
+ return result;
+}
+
+int CmdEM4x05ProtectWrite(const char *Cmd) {
+ bool errors = false;
+ bool usePwd = false;
+ uint32_t data = 0xFFFFFFFF;
+ uint32_t pwd = 0xFFFFFFFF;
+ bool swap = false;
+ bool invert = false;
+ bool gotData = false;
+ char cmdp = 0;
+ while(param_getchar(Cmd, cmdp) != 0x00)
+ {
+ switch(param_getchar(Cmd, cmdp))
+ {
+ case 'h':
+ case 'H':
+ return usage_lf_em_write();
+ case 'd':
+ case 'D':
+ data = param_get32ex(Cmd, cmdp+1, 0, 16);
+ gotData = true;
+ cmdp += 2;
+ break;
+ case 'i':
+ case 'I':
+ invert = true;
+ cmdp++;
+ break;
+ case 'p':
+ case 'P':
+ pwd = param_get32ex(Cmd, cmdp+1, 1, 16);
+ if (pwd == 1) {
+ PrintAndLog("invalid pwd");
+ errors = true;
+ }
+ usePwd = true;
+ cmdp += 2;
+ break;
+ case 's':
+ case 'S':
+ swap = true;
+ cmdp++;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+ errors = true;
+ break;
+ }
+ if(errors) break;
+ }
+ //Validations
+ if(errors) return usage_lf_em_protect();
+
+ if ( strlen(Cmd) == 0 ) return usage_lf_em_protect();
+
+ if (!gotData) {
+ PrintAndLog("You must enter the data you want to write");
+ return usage_lf_em_protect();
+ }
+ return EM4x05Protect(data, pwd, usePwd, swap, invert);
+}
+
void printEM4x05config(uint32_t wordData) {
uint16_t datarate = EM4x05_GET_BITRATE(wordData);
uint8_t encoder = ((wordData >> 6) & 0xF);
{"4x05info", CmdEM4x05info, 0, "(pwd) -- Get info from EM4x05/EM4x69 tag"},
{"4x05readword", CmdEM4x05ReadWord, 0, "<Word> (pwd) -- Read EM4x05/EM4x69 word data"},
{"4x05writeword", CmdEM4x05WriteWord, 0, "<Word> <data> (pwd) -- Write EM4x05/EM4x69 word data"},
+ {"4x05protect", CmdEM4x05ProtectWrite, 0, "<data> (pwd) -- Write Protection to EM4x05"},
{"4x50read", CmdEM4x50Read, 1, "demod data from EM4x50 tag from the graph buffer"},
{NULL, NULL, 0, NULL}
};
bool averaging;
int divisor;
int trigger_threshold;
+ int samples_to_skip;
} sample_config;
// For the bootloader
#define CMD_T55XX_WAKEUP 0x0224
#define CMD_COTAG 0x0225
#define CMD_PARADOX_CLONE_TAG 0x0226
+#define CMD_EM4X_PROTECT 0x0228
// For the 13.56 MHz tags
#define CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_15693 0x0300
projects / proxmark3-svn / commitdiff