// LEGIC RF simulation code
//-----------------------------------------------------------------------------
-#include "proxmark3.h"
-#include "apps.h"
-#include "util.h"
-#include "string.h"
-
#include "legicrf.h"
-#include "legic_prng.h"
-#include "crc.h"
static struct legic_frame {
int bits;
static int legic_frame_drift;
static int legic_reqresp_drift;
+int timestamp;
+
AT91PS_TC timer;
AT91PS_TC prng_timer;
-static void setup_timer(void)
-{
+static void setup_timer(void) {
/* Set up Timer 1 to use for measuring time between pulses. Since we're bit-banging
* this it won't be terribly accurate but should be good enough.
*/
#define FUZZ_EQUAL(value, target, fuzz) ((value) > ((target)-(fuzz)) && (value) < ((target)+(fuzz)))
+// ~ 258us + 100us*delay
+#define WAIT_387 WAIT(387)
+#define WAIT(delay) while(timer->TC_CV < (delay) );
+
+
+// ToDo: define a meaningful maximum size for auth_table. The bigger this is, the lower will be the available memory for traces.
+// Historically it used to be FREE_BUFFER_SIZE, which was 2744.
+#define LEGIC_CARD_MEMSIZE 1024
+static uint8_t* cardmem;
+
+/*
+The new tracelog..
+ // Traceformat:
+ // 32 bits timestamp (little endian)
+ // 16 bits duration (little endian)
+ // 16 bits data length (little endian, Highest Bit used as readerToTag flag)
+ // y Bytes data
+ // x Bytes parity (one byte per 8 bytes data)
+*/
+
/* Generate Keystream */
static uint32_t get_key_stream(int skip, int count)
{
- uint32_t key=0; int i;
+ uint32_t key = 0;
+ int i;
- /* Use int to enlarge timer tc to 32bit */
+ // Use int to enlarge timer tc to 32bit
legic_prng_bc += prng_timer->TC_CV;
+
+ // reset the prng timer.
prng_timer->TC_CCR = AT91C_TC_SWTRG;
+ while(prng_timer->TC_CV > 1) ;
/* If skip == -1, forward prng time based */
if(skip == -1) {
- i = (legic_prng_bc+SIM_SHIFT)/SIM_DIVISOR; /* Calculate Cycles based on timer */
+ i = (legic_prng_bc + SIM_SHIFT)/SIM_DIVISOR; /* Calculate Cycles based on timer */
i -= legic_prng_count(); /* substract cycles of finished frames */
- i -= count; /* substract current frame length, rewidn to bedinning */
+ i -= count; /* substract current frame length, rewind to beginning */
legic_prng_forward(i);
} else {
legic_prng_forward(skip);
}
- /* Write Time Data into LOG */
- uint8_t *BigBuf = BigBuf_get_addr();
i = (count == 6) ? -1 : legic_read_count;
- BigBuf[OFFSET_LOG+128+i] = legic_prng_count();
- BigBuf[OFFSET_LOG+256+i*4] = (legic_prng_bc >> 0) & 0xff;
- BigBuf[OFFSET_LOG+256+i*4+1] = (legic_prng_bc >> 8) & 0xff;
- BigBuf[OFFSET_LOG+256+i*4+2] = (legic_prng_bc >>16) & 0xff;
- BigBuf[OFFSET_LOG+256+i*4+3] = (legic_prng_bc >>24) & 0xff;
- BigBuf[OFFSET_LOG+384+i] = count;
+ /* Write Time Data into LOG */
+ // uint8_t *BigBuf = BigBuf_get_addr();
+ // BigBuf[OFFSET_LOG+128+i] = legic_prng_count();
+ // BigBuf[OFFSET_LOG+256+i*4] = (legic_prng_bc >> 0) & 0xff;
+ // BigBuf[OFFSET_LOG+256+i*4+1] = (legic_prng_bc >> 8) & 0xff;
+ // BigBuf[OFFSET_LOG+256+i*4+2] = (legic_prng_bc >>16) & 0xff;
+ // BigBuf[OFFSET_LOG+256+i*4+3] = (legic_prng_bc >>24) & 0xff;
+ // BigBuf[OFFSET_LOG+384+i] = count;
/* Generate KeyStream */
for(i=0; i<count; i++) {
/* Use time to crypt frame */
if(crypt) {
legic_prng_forward(2); /* TAG_TIME_WAIT -> shift by 2 */
- int i; int key = 0;
- for(i=0; i<bits; i++) {
+ int key = 0;
+ for(int i = 0; i < bits; i++) {
key |= legic_prng_get_bit() << i;
legic_prng_forward(1);
}
- //Dbprintf("key = 0x%x", key);
response = response ^ key;
}
/* Wait for the frame start */
- while(timer->TC_CV < (TAG_TIME_WAIT - 30)) ;
-
- int i;
- for(i=0; i<bits; i++) {
+ //while(timer->TC_CV < (TAG_TIME_WAIT - 30)) ;
+ WAIT( TAG_TIME_WAIT - 30)
+
+ uint8_t bit = 0;
+ for(int i = 0; i < bits; i++) {
int nextbit = timer->TC_CV + TAG_TIME_BIT;
- int bit = response & 1;
- response = response >> 1;
- if(bit)
+ bit = response & 1;
+ response >>= 1;
+
+ if (bit)
AT91C_BASE_PIOA->PIO_SODR = GPIO_SSC_DOUT;
else
AT91C_BASE_PIOA->PIO_CODR = GPIO_SSC_DOUT;
- while(timer->TC_CV < nextbit) ;
+ //while(timer->TC_CV < nextbit) ;
+ WAIT(nextbit)
}
AT91C_BASE_PIOA->PIO_CODR = GPIO_SSC_DOUT;
}
+// Starts Clock and waits until its reset
+static void ResetClock(void){
+ timer->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG;
+ while(timer->TC_CV > 1) ;
+}
+
/* Send a frame in reader mode, the FPGA must have been set up by
* LegicRfReader
*/
-static void frame_send_rwd(uint32_t data, int bits)
-{
- /* Start clock */
- timer->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG;
- while(timer->TC_CV > 1) ; /* Wait till the clock has reset */
+static void frame_send_rwd(uint32_t data, int bits){
- int i;
- for(i=0; i<bits; i++) {
- int starttime = timer->TC_CV;
- int pause_end = starttime + RWD_TIME_PAUSE, bit_end;
- int bit = data & 1;
- data = data >> 1;
+ ResetClock();
+ int starttime = 0, pause_end = 0, bit = 0, bit_end = 0;
+
+ for(int i = 0; i<bits; i++) {
+
+ starttime = timer->TC_CV;
+ pause_end = starttime + RWD_TIME_PAUSE;
+ bit = data & 1;
+ data >>= 1;
if(bit ^ legic_prng_get_bit())
bit_end = starttime + RWD_TIME_1;
/* RWD_TIME_PAUSE time off, then some time on, so that the complete bit time is
* RWD_TIME_x, where x is the bit to be transmitted */
AT91C_BASE_PIOA->PIO_CODR = GPIO_SSC_DOUT;
- while(timer->TC_CV < pause_end) ;
+
+ WAIT( pause_end )
+
AT91C_BASE_PIOA->PIO_SODR = GPIO_SSC_DOUT;
+
legic_prng_forward(1); /* bit duration is longest. use this time to forward the lfsr */
- while(timer->TC_CV < bit_end);
+ WAIT( bit_end )
}
/* One final pause to mark the end of the frame */
- int pause_end = timer->TC_CV + RWD_TIME_PAUSE;
+ pause_end = timer->TC_CV + RWD_TIME_PAUSE;
+
AT91C_BASE_PIOA->PIO_CODR = GPIO_SSC_DOUT;
- while(timer->TC_CV < pause_end) ;
+
+ WAIT(pause_end)
+
AT91C_BASE_PIOA->PIO_SODR = GPIO_SSC_DOUT;
-
/* Reset the timer, to measure time until the start of the tag frame */
- timer->TC_CCR = AT91C_TC_SWTRG;
- while(timer->TC_CV > 1) ; /* Wait till the clock has reset */
+ ResetClock();
}
/* Receive a frame from the card in reader emulation mode, the FPGA and
static void frame_receive_rwd(struct legic_frame * const f, int bits, int crypt)
{
uint32_t the_bit = 1; /* Use a bitmask to save on shifts */
- uint32_t data=0;
- int i, old_level=0, edges=0;
+ uint32_t data = 0;
+ int i, old_level = 0, edges = 0;
int next_bit_at = TAG_TIME_WAIT;
- if(bits > 32) {
- bits = 32;
- }
+ if(bits > 32) bits = 32;
AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_DIN;
AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DIN;
}
}
- while(timer->TC_CV < next_bit_at) ;
+ WAIT(next_bit_at)
next_bit_at += TAG_TIME_BIT;
}
next_bit_at += TAG_TIME_BIT;
- if(edges > 20 && edges < 60) { /* expected are 42 edges */
+ // We expect 42 edges
+ if(edges > 20 && edges < 60) {
data ^= the_bit;
}
the_bit <<= 1;
f->data = data;
f->bits = bits;
- /* Reset the timer, to synchronize the next frame */
- timer->TC_CCR = AT91C_TC_SWTRG;
- while(timer->TC_CV > 1) ; /* Wait till the clock has reset */
+ // Reset the timer, to synchronize the next frame
+ ResetClock();
}
-static void frame_append_bit(struct legic_frame * const f, int bit)
-{
- if (f->bits >= 31)
- return; /* Overflow, won't happen */
+static void frame_append_bit(struct legic_frame * const f, int bit) {
+ // Overflow, won't happen
+ if (f->bits >= 31) return;
f->data |= (bit << f->bits);
f->bits++;
}
-static void frame_clean(struct legic_frame * const f)
-{
+static void frame_clean(struct legic_frame * const f) {
f->data = 0;
f->bits = 0;
}
-static uint32_t perform_setup_phase_rwd(int iv)
-{
-
+// Setup pm3 as a Legic Reader
+static uint32_t perform_setup_phase_rwd(int iv) {
/* Switch on carrier and let the tag charge for 1ms */
AT91C_BASE_PIOA->PIO_SODR = GPIO_SSC_DOUT;
- SpinDelay(1);
+ SpinDelay(20); // was 1ms before.
+
+ /* no keystream yet */
+ legic_prng_init(0);
- legic_prng_init(0); /* no keystream yet */
+ // IV
frame_send_rwd(iv, 7);
legic_prng_init(iv);
frame_clean(¤t_frame);
frame_receive_rwd(¤t_frame, 6, 1);
- legic_prng_forward(3); /* we wait anyways */
- while(timer->TC_CV < 387) ; /* ~ 258us */
+
+ // we wait anyways
+ legic_prng_forward(3);
+
+ WAIT_387
+
frame_send_rwd(0x39, 6);
return current_frame.data;
}
static void LegicCommonInit(void) {
+
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
FpgaSetupSsc();
AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT;
AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT;
+ // reserve a cardmem, meaning we can use the tracelog function in bigbuff easier.
+ cardmem = BigBuf_malloc(LEGIC_CARD_MEMSIZE);
+ memset(cardmem, 0x00, LEGIC_CARD_MEMSIZE);
+
+ clear_trace();
+ set_tracing(TRUE);
+
setup_timer();
crc_init(&legic_crc, 4, 0x19 >> 1, 0x5, 0);
}
/* Switch off carrier, make sure tag is reset */
-static void switch_off_tag_rwd(void)
-{
+static void switch_off_tag_rwd(void) {
AT91C_BASE_PIOA->PIO_CODR = GPIO_SSC_DOUT;
SpinDelay(10);
WDT_HIT();
}
+
/* calculate crc for a legic command */
static int LegicCRC(int byte_index, int value, int cmd_sz) {
crc_clear(&legic_crc);
}
int legic_read_byte(int byte_index, int cmd_sz) {
- int byte;
- while(timer->TC_CV < 387) ; /* ~ 258us + 100us*delay */
+ int byte = 0, calcCrc = 0, crc = 0;
+ int cmd = 1 | (byte_index << 1);
- frame_send_rwd(1 | (byte_index << 1), cmd_sz);
- frame_clean(¤t_frame);
+ uint8_t cmdbytes[2] = {cmd && 0xff, (cmd >> 8 ) & 0xFF};
+ uint32_t starttime = timer->TC_CV, endtime = 0;
+
+ WAIT_387
+ // send
+ frame_send_rwd(cmd, cmd_sz);
+
+ // log
+ endtime = timer->TC_CV;
+ LogTrace(cmdbytes, 2, starttime, endtime, NULL, TRUE);
+
+ // clean
+ frame_clean(¤t_frame);
+
+ starttime = timer->TC_CV;
+
+ // read
frame_receive_rwd(¤t_frame, 12, 1);
+ // log
+ endtime = timer->TC_CV;
+ cmdbytes[0] = current_frame.data & 0xff;
+ cmdbytes[1] = (current_frame.data >> 8) & 0xFF;
+ LogTrace(cmdbytes, 2, starttime, endtime, NULL, FALSE);
+
byte = current_frame.data & 0xff;
+ calcCrc = LegicCRC(byte_index, byte, cmd_sz);
+ crc = (current_frame.data >> 8);
- if( LegicCRC(byte_index, byte, cmd_sz) != (current_frame.data >> 8) ) {
- Dbprintf("!!! crc mismatch: expected %x but got %x !!!",
- LegicCRC(byte_index, current_frame.data & 0xff, cmd_sz),
- current_frame.data >> 8);
+ if( calcCrc != crc ) {
+ Dbprintf("!!! crc mismatch: expected %x but got %x !!!", calcCrc, crc);
return -1;
}
- legic_prng_forward(4); /* we wait anyways */
+ // we wait anyways
+ legic_prng_forward(4);
return byte;
}
-/* legic_write_byte() is not included, however it's trivial to implement
- * and here are some hints on what remains to be done:
- *
- * * assemble a write_cmd_frame with crc and send it
- * * wait until the tag sends back an ACK ('1' bit unencrypted)
- * * forward the prng based on the timing
+/*
+ * - assemble a write_cmd_frame with crc and send it
+ * - wait until the tag sends back an ACK ('1' bit unencrypted)
+ * - forward the prng based on the timing
*/
//int legic_write_byte(int byte, int addr, int addr_sz, int PrngCorrection) {
int legic_write_byte(int byte, int addr, int addr_sz) {
- //do not write UID, CRC
- if(addr <= 0x04) {
- return 0;
- }
- //== send write command ==============================
+
+ //do not write UID, CRC at offset 0-4.
+ if(addr <= 0x04) return 0;
+
+ // crc
crc_clear(&legic_crc);
crc_update(&legic_crc, 0, 1); /* CMD_WRITE */
crc_update(&legic_crc, addr, addr_sz);
crc_update(&legic_crc, byte, 8);
-
uint32_t crc = crc_finish(&legic_crc);
+
+ // send write command
uint32_t cmd = ((crc <<(addr_sz+1+8)) //CRC
|(byte <<(addr_sz+1)) //Data
|(addr <<1) //Address
uint32_t cmd_sz = addr_sz+1+8+4; //crc+data+cmd
legic_prng_forward(2); /* we wait anyways */
+
while(timer->TC_CV < 387) ; /* ~ 258us */
+
frame_send_rwd(cmd, cmd_sz);
+
+// wllm-rbnt doesnt have these
+// AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_DIN;
+// AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DIN;
- AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_DIN;
- AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DIN;
+ // wait for ack
+ int t, old_level = 0, edges = 0;
+ int next_bit_at = 0;
- //== wait for ack ====================================
- int t, old_level=0, edges=0;
- int next_bit_at =0;
while(timer->TC_CV < 387) ; /* ~ 258us */
- for(t=0; t<80; t++) {
+
+ for( t = 0; t < 80; t++) {
edges = 0;
next_bit_at += TAG_TIME_BIT;
while(timer->TC_CV < next_bit_at) {
}
if(edges > 20 && edges < 60) { /* expected are 42 edges */
int t = timer->TC_CV;
- int c = t/TAG_TIME_BIT;
- timer->TC_CCR = AT91C_TC_SWTRG;
- while(timer->TC_CV > 1) ; /* Wait till the clock has reset */
+ int c = t / TAG_TIME_BIT;
+
+ ResetClock();
legic_prng_forward(c);
return 0;
}
}
- timer->TC_CCR = AT91C_TC_SWTRG;
- while(timer->TC_CV > 1) ; /* Wait till the clock has reset */
+
+ ResetClock();
return -1;
}
// ice_legic_select_card();
// return 0;
- int byte_index=0, cmd_sz=0, card_sz=0;
+ int byte_index = 0, cmd_sz = 0, card_sz = 0;
iv = (iv <= 0 ) ? SESSION_IV : iv;
LegicCommonInit();
- uint8_t *BigBuf = BigBuf_get_addr();
- memset(BigBuf, 0, 1024);
+ if ( MF_DBGLEVEL >= 2) DbpString("setting up legic card");
- DbpString("setting up legic card");
uint32_t tag_type = perform_setup_phase_rwd(iv);
- switch_off_tag_rwd(); //we lose to mutch time with dprintf
+
+ //we lose to mutch time with dprintf
+ switch_off_tag_rwd();
+
switch(tag_type) {
case 0x0d:
- DbpString("MIM22 card found, reading card ...");
+ if ( MF_DBGLEVEL >= 2) DbpString("MIM22 card found, reading card ...");
cmd_sz = 6;
card_sz = 22;
break;
case 0x1d:
- DbpString("MIM256 card found, reading card ...");
+ if ( MF_DBGLEVEL >= 2) DbpString("MIM256 card found, reading card ...");
cmd_sz = 9;
card_sz = 256;
break;
case 0x3d:
- DbpString("MIM1024 card found, reading card ...");
+ if ( MF_DBGLEVEL >= 2) DbpString("MIM1024 card found, reading card ...");
cmd_sz = 11;
card_sz = 1024;
break;
default:
- Dbprintf("Unknown card format: %x",tag_type);
+ if ( MF_DBGLEVEL >= 1) Dbprintf("Unknown card format: %x",tag_type);
return -1;
}
if(bytes == -1)
bytes = card_sz;
if(bytes+offset >= card_sz)
- bytes = card_sz-offset;
+ bytes = card_sz - offset;
perform_setup_phase_rwd(iv);
LED_B_ON();
while(byte_index < bytes) {
int r = legic_read_byte(byte_index+offset, cmd_sz);
- if(r == -1 ||BUTTON_PRESS()) {
- DbpString("operation aborted");
- switch_off_tag_rwd();
- LED_B_OFF();
- LED_C_OFF();
- return -1;
+ if(r == -1 || BUTTON_PRESS()) {
+ switch_off_tag_rwd();
+ LEDsoff();
+ if ( MF_DBGLEVEL >= 2) DbpString("operation aborted");
+ return -1;
}
- BigBuf[byte_index] = r;
+ cardmem[byte_index] = r;
WDT_HIT();
- byte_index++;
- if (byte_index & 0x10) LED_C_ON(); else LED_C_OFF();
+ byte_index++;
}
- LED_B_OFF();
- LED_C_OFF();
+
switch_off_tag_rwd();
- Dbprintf("Card read, use 'hf legic decode' or");
- Dbprintf("'data hexsamples %d' to view results", (bytes+7) & ~7);
+ LEDsoff();
+
+ if ( MF_DBGLEVEL >= 1) Dbprintf("Card read, use 'hf legic decode' or");
+ if ( MF_DBGLEVEL >= 1) Dbprintf("'data hexsamples %d' to view results", (bytes+7) & ~7);
return 0;
}
void LegicRfWriter(int offset, int bytes, int iv) {
- int byte_index=0, addr_sz=0;
- uint8_t *BigBuf = BigBuf_get_addr();
+ int byte_index = 0, addr_sz = 0;
+
iv = (iv <=0 ) ? SESSION_IV : iv;
LegicCommonInit();
- DbpString("setting up legic card");
+ if ( MF_DBGLEVEL >= 2) DbpString("setting up legic card");
+
uint32_t tag_type = perform_setup_phase_rwd(iv);
+
switch_off_tag_rwd();
+
switch(tag_type) {
case 0x0d:
if(offset+bytes > 22) {
return;
}
addr_sz = 5;
- Dbprintf("MIM22 card found, writing 0x%02.2x - 0x%02.2x ...", offset, offset+bytes);
+ if ( MF_DBGLEVEL >= 2) Dbprintf("MIM22 card found, writing 0x%02.2x - 0x%02.2x ...", offset, offset+bytes);
break;
case 0x1d:
if(offset+bytes > 0x100) {
return;
}
addr_sz = 8;
- Dbprintf("MIM256 card found, writing 0x%02.2x - 0x%02.2x ...", offset, offset+bytes);
+ if ( MF_DBGLEVEL >= 2) Dbprintf("MIM256 card found, writing 0x%02.2x - 0x%02.2x ...", offset, offset+bytes);
break;
case 0x3d:
if(offset+bytes > 0x400) {
return;
}
addr_sz = 10;
- Dbprintf("MIM1024 card found, writing 0x%03.3x - 0x%03.3x ...", offset, offset+bytes);
+ if ( MF_DBGLEVEL >= 2) Dbprintf("MIM1024 card found, writing 0x%03.3x - 0x%03.3x ...", offset, offset+bytes);
break;
default:
Dbprintf("No or unknown card found, aborting");
return;
}
-#if 1
LED_B_ON();
perform_setup_phase_rwd(iv);
while(byte_index < bytes) {
//check if the DCF should be changed
if ( ((byte_index+offset) == 0x05) && (bytes >= 0x02) ) {
//write DCF in reverse order (addr 0x06 before 0x05)
- r = legic_write_byte(BigBuf[(0x06-byte_index)], (0x06-byte_index), addr_sz);
+ r = legic_write_byte(cardmem[(0x06-byte_index)], (0x06-byte_index), addr_sz);
// write second byte on success...
if(r == 0) {
byte_index++;
- r = legic_write_byte(BigBuf[(0x06-byte_index)], (0x06-byte_index), addr_sz);
+ r = legic_write_byte(cardmem[(0x06-byte_index)], (0x06-byte_index), addr_sz);
}
}
else {
- r = legic_write_byte(BigBuf[byte_index+offset], byte_index+offset, addr_sz);
+ r = legic_write_byte(cardmem[byte_index+offset], byte_index+offset, addr_sz);
}
+
if((r != 0) || BUTTON_PRESS()) {
Dbprintf("operation aborted @ 0x%03.3x", byte_index);
switch_off_tag_rwd();
- LED_B_OFF();
- LED_C_OFF();
+ LEDsoff();
return;
}
WDT_HIT();
byte_index++;
- if(byte_index & 0x10) LED_C_ON(); else LED_C_OFF();
- }
- LED_B_OFF();
- LED_C_OFF();
- DbpString("write successful");
-#else
- for(byte_index = -2; byte_index < 200; byte_index++)
- {
- Dbprintf("+ Try RndValue %d...", byte_index);
- if(_LegicRfWriter(bytes, offset, addr_sz, BigBuf, byte_index) == 0)
- break;
}
-#endif
-
+ LEDsoff();
+ if ( MF_DBGLEVEL >= 1) DbpString("write successful");
}
void LegicRfRawWriter(int address, int byte, int iv) {
- int byte_index=0, addr_sz=0;
+
+ int byte_index = 0, addr_sz = 0;
iv = (iv <= 0) ? SESSION_IV : iv;
LegicCommonInit();
- DbpString("setting up legic card");
+ if ( MF_DBGLEVEL >= 2) DbpString("setting up legic card");
+
uint32_t tag_type = perform_setup_phase_rwd(iv);
+
switch_off_tag_rwd();
+
switch(tag_type) {
case 0x0d:
if(address > 22) {
return;
}
addr_sz = 5;
- Dbprintf("MIM22 card found, writing at addr 0x%02.2x - value 0x%02.2x ...", address, byte);
+ if ( MF_DBGLEVEL >= 2) Dbprintf("MIM22 card found, writing at addr 0x%02.2x - value 0x%02.2x ...", address, byte);
break;
case 0x1d:
if(address > 0x100) {
return;
}
addr_sz = 8;
- Dbprintf("MIM256 card found, writing at addr 0x%02.2x - value 0x%02.2x ...", address, byte);
+ if ( MF_DBGLEVEL >= 2) Dbprintf("MIM256 card found, writing at addr 0x%02.2x - value 0x%02.2x ...", address, byte);
break;
case 0x3d:
if(address > 0x400) {
return;
}
addr_sz = 10;
- Dbprintf("MIM1024 card found, writing at addr 0x%03.3x - value 0x%03.3x ...", address, byte);
+ if ( MF_DBGLEVEL >= 2) Dbprintf("MIM1024 card found, writing at addr 0x%03.3x - value 0x%03.3x ...", address, byte);
break;
default:
Dbprintf("No or unknown card found, aborting");
return;
}
+
Dbprintf("integer value: %d address: %d addr_sz: %d", byte, address, addr_sz);
LED_B_ON();
+
perform_setup_phase_rwd(iv);
//legic_prng_forward(2);
if((r != 0) || BUTTON_PRESS()) {
Dbprintf("operation aborted @ 0x%03.3x (%1d)", byte_index, r);
switch_off_tag_rwd();
- LED_B_OFF();
- LED_C_OFF();
+ LEDsoff();
return;
}
-
- LED_B_OFF();
- LED_C_OFF();
- DbpString("write successful");
-}
-int timestamp;
+ LEDsoff();
+ if ( MF_DBGLEVEL >= 1) DbpString("write successful");
+}
-/* Handle (whether to respond) a frame in tag mode */
+/* Handle (whether to respond) a frame in tag mode
+ * Only called when simulating a tag.
+ */
static void frame_handle_tag(struct legic_frame const * const f)
{
uint8_t *BigBuf = BigBuf_get_addr();
/* First Part of Handshake (IV) */
if(f->bits == 7) {
-// if(f->data == SESSION_IV) {
+
LED_C_ON();
- prng_timer->TC_CCR = AT91C_TC_SWTRG;
+
+ prng_timer->TC_CCR = AT91C_TC_SWTRG;
+ while(prng_timer->TC_CV > 1) ;
+
legic_prng_init(f->data);
frame_send_tag(0x3d, 6, 1); /* 0x3d^0x26 = 0x1b */
legic_state = STATE_IV;
legic_prng_iv = f->data;
/* TIMEOUT */
- timer->TC_CCR = AT91C_TC_SWTRG;
- while(timer->TC_CV > 1);
- while(timer->TC_CV < 280);
+ ResetClock();
+
+ //while(timer->TC_CV < 280);
+ WAIT(280)
return;
-// } else if((prng_timer->TC_CV % 50) > 40) {
-// legic_prng_init(f->data);
-// frame_send_tag(0x3d, 6, 1);
-// SpinDelay(20);
-// return;
-// }
}
/* 0x19==??? */
legic_state = STATE_CON;
/* TIMEOUT */
- timer->TC_CCR = AT91C_TC_SWTRG;
- while(timer->TC_CV > 1);
- while(timer->TC_CV < 200);
+ ResetClock();
+
+ //while(timer->TC_CV < 200);
+ WAIT(200)
+
return;
} else {
legic_state = STATE_DISCON;
frame_send_tag(hash | data, 12, 1);
- /* SHORT TIMEOUT */
- timer->TC_CCR = AT91C_TC_SWTRG;
- while(timer->TC_CV > 1);
+ /* TIMEOUT */
+ ResetClock();
+
legic_prng_forward(2);
- while(timer->TC_CV < 180);
+ //while(timer->TC_CV < 180);
+ WAIT(180)
+
return;
}
}
/* Read bit by bit untill full frame is received
* Call to process frame end answer
*/
-static void emit(int bit)
-{
- if(bit == -1) {
- if(current_frame.bits <= 4) {
- frame_clean(¤t_frame);
- } else {
- frame_handle_tag(¤t_frame);
- frame_clean(¤t_frame);
- }
- WDT_HIT();
- } else if(bit == 0) {
- frame_append_bit(¤t_frame, 0);
- } else if(bit == 1) {
- frame_append_bit(¤t_frame, 1);
- }
+static void emit(int bit) {
+
+ switch (bit) {
+ case 1:
+ frame_append_bit(¤t_frame, 1);
+ break;
+ case 0:
+ frame_append_bit(¤t_frame, 0);
+ break;
+ default:
+ if(current_frame.bits <= 4) {
+ frame_clean(¤t_frame);
+ } else {
+ frame_handle_tag(¤t_frame);
+ frame_clean(¤t_frame);
+ }
+ WDT_HIT();
+ break;
+ }
}
void LegicRfSimulate(int phase, int frame, int reqresp)
* seems to be 300us-ish.
*/
-// if(phase < 0) {
-// int i;
-// for(i=0; i<=reqresp; i++) {
-// legic_prng_init(SESSION_IV);
-// Dbprintf("i=%u, key 0x%3.3x", i, get_key_stream(i, frame));
-// }
-// return;
-// }
-
- legic_phase_drift = phase;
- legic_frame_drift = frame;
- legic_reqresp_drift = reqresp;
-
- FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
- SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
- FpgaSetupSsc();
- FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR | FPGA_HF_SIMULATOR_MODULATE_212K);
-
- /* Bitbang the receiver */
- AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_DIN;
- AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DIN;
-
- setup_timer();
- crc_init(&legic_crc, 4, 0x19 >> 1, 0x5, 0);
+ legic_phase_drift = phase;
+ legic_frame_drift = frame;
+ legic_reqresp_drift = reqresp;
+
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+ SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+ FpgaSetupSsc();
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR | FPGA_HF_SIMULATOR_MODULATE_212K);
+
+ /* Bitbang the receiver */
+ AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_DIN;
+ AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DIN;
+
+ setup_timer();
+ crc_init(&legic_crc, 4, 0x19 >> 1, 0x5, 0);
+
+ int old_level = 0;
+ int active = 0;
+ legic_state = STATE_DISCON;
+
+ LED_B_ON();
+ DbpString("Starting Legic emulator, press button to end");
- int old_level = 0;
- int active = 0;
- legic_state = STATE_DISCON;
-
- LED_B_ON();
- DbpString("Starting Legic emulator, press button to end");
- while(!BUTTON_PRESS() && !usb_poll_validate_length()) {
- int level = !!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_DIN);
- int time = timer->TC_CV;
-
- if(level != old_level) {
- if(level == 1) {
- timer->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG;
- if(FUZZ_EQUAL(time, RWD_TIME_1, RWD_TIME_FUZZ)) {
- /* 1 bit */
- emit(1);
- active = 1;
- LED_A_ON();
- } else if(FUZZ_EQUAL(time, RWD_TIME_0, RWD_TIME_FUZZ)) {
- /* 0 bit */
- emit(0);
- active = 1;
- LED_A_ON();
- } else if(active) {
- /* invalid */
- emit(-1);
- active = 0;
- LED_A_OFF();
- }
- }
- }
+ while(!BUTTON_PRESS() && !usb_poll_validate_length()) {
+ int level = !!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_DIN);
+ int time = timer->TC_CV;
- if(time >= (RWD_TIME_1+RWD_TIME_FUZZ) && active) {
- /* Frame end */
- emit(-1);
- active = 0;
- LED_A_OFF();
- }
-
- if(time >= (20*RWD_TIME_1) && (timer->TC_SR & AT91C_TC_CLKSTA)) {
- timer->TC_CCR = AT91C_TC_CLKDIS;
- }
-
- old_level = level;
- WDT_HIT();
- }
- DbpString("Stopped");
- LED_B_OFF();
- LED_A_OFF();
- LED_C_OFF();
-}
+ if(level != old_level) {
+ if(level == 1) {
+ timer->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG;
+
+ if (FUZZ_EQUAL(time, RWD_TIME_1, RWD_TIME_FUZZ)) {
+ /* 1 bit */
+ emit(1);
+ active = 1;
+ LED_A_ON();
+ } else if (FUZZ_EQUAL(time, RWD_TIME_0, RWD_TIME_FUZZ)) {
+ /* 0 bit */
+ emit(0);
+ active = 1;
+ LED_A_ON();
+ } else if (active) {
+ /* invalid */
+ emit(-1);
+ active = 0;
+ LED_A_OFF();
+ }
+ }
+ }
+ /* Frame end */
+ if(time >= (RWD_TIME_1+RWD_TIME_FUZZ) && active) {
+ emit(-1);
+ active = 0;
+ LED_A_OFF();
+ }
+
+ if(time >= (20*RWD_TIME_1) && (timer->TC_SR & AT91C_TC_CLKSTA)) {
+ timer->TC_CCR = AT91C_TC_CLKDIS;
+ }
+
+ old_level = level;
+ WDT_HIT();
+ }
+ if ( MF_DBGLEVEL >= 1) DbpString("Stopped");
+ LEDsoff();
+}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
return 0;
}
-
-int applyIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
-{
- switch(cmd[0])
- {
- case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
- case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
- // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
- // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
- if(cmd[1] == 0x70)
- snprintf(exp,size,"SELECT_UID");
- else
- snprintf(exp,size,"ANTICOLL");
- break;
- }
- case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
- //95 20 = Anticollision of cascade level2
- //95 70 = Select of cascade level2
- if(cmd[2] == 0x70)
- snprintf(exp,size,"SELECT_UID-2");
- else
- snprintf(exp,size,"ANTICOLL-2");
- break;
- }
- case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break;
- case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
- case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
- case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break;
- case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
- case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
- case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
- case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
- case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
- case MIFARE_AUTH_KEYA:{
- if ( cmdsize > 3)
- snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
- else
- // case MIFARE_ULEV1_VERSION : both 0x60.
- snprintf(exp,size,"EV1 VERSION");
- break;
- }
- case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
- case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
- case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
- case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
- case MIFARE_ULC_AUTH_1 : snprintf(exp,size,"AUTH "); break;
- case MIFARE_ULC_AUTH_2 : snprintf(exp,size,"AUTH_ANSW"); break;
- case MIFARE_ULEV1_AUTH :
- if ( cmdsize == 7 )
- snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
- else
- snprintf(exp,size,"PWD-AUTH");
- break;
- case MIFARE_ULEV1_FASTREAD : {
- if ( cmdsize >=3 && cmd[2] <= 0xE6)
- snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
- else
- snprintf(exp,size,"?");
- break;
- }
- case MIFARE_ULC_WRITE : {
- if ( cmd[1] < 0x21 )
- snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
- else
- snprintf(exp,size,"?");
- break;
- }
- case MIFARE_ULEV1_READ_CNT :{
- if ( cmd[1] < 5 )
- snprintf(exp,size,"READ CNT(%d)",cmd[1]);
- else
- snprintf(exp,size,"?");
- break;
- }
- case MIFARE_ULEV1_INCR_CNT : {
- if ( cmd[1] < 5 )
- snprintf(exp,size,"INCR(%d)",cmd[1]);
- else
- snprintf(exp,size,"?");
- break;
- }
- case MIFARE_ULEV1_READSIG : snprintf(exp,size,"READ_SIG"); break;
- case MIFARE_ULEV1_CHECKTEAR : snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
- case MIFARE_ULEV1_VCSL : snprintf(exp,size,"VCSL"); break;
- default: return 0;
+int applyIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
+ switch ( cmd[0] ){
+ case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
+ case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
+ // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
+ // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
+ if(cmd[1] == 0x70)
+ snprintf(exp,size,"SELECT_UID");
+ else
+ snprintf(exp,size,"ANTICOLL");
+ break;
+ }
+ case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
+ //95 20 = Anticollision of cascade level2
+ //95 70 = Select of cascade level2
+ if(cmd[2] == 0x70)
+ snprintf(exp,size,"SELECT_UID-2");
+ else
+ snprintf(exp,size,"ANTICOLL-2");
+ break;
+ }
+ case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break;
+ case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
+ case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
+ case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break;
+ case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
+ case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
+ case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
+ case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
+ case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
+ case MIFARE_AUTH_KEYA:{
+ if ( cmdsize > 3)
+ snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
+ else
+ // case MIFARE_ULEV1_VERSION : both 0x60.
+ snprintf(exp,size,"EV1 VERSION");
+ break;
+ }
+ case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
+ case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
+ case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
+ case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
+ case MIFARE_ULC_AUTH_1 : snprintf(exp,size,"AUTH "); break;
+ case MIFARE_ULC_AUTH_2 : snprintf(exp,size,"AUTH_ANSW"); break;
+ case MIFARE_ULEV1_AUTH :
+ if ( cmdsize == 7 )
+ snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
+ else
+ snprintf(exp,size,"PWD-AUTH");
+ break;
+ case MIFARE_ULEV1_FASTREAD : {
+ if ( cmdsize >=3 && cmd[2] <= 0xE6)
+ snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
+ else
+ snprintf(exp,size,"?");
+ break;
+ }
+ case MIFARE_ULC_WRITE : {
+ if ( cmd[1] < 0x21 )
+ snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
+ else
+ snprintf(exp,size,"?");
+ break;
+ }
+ case MIFARE_ULEV1_READ_CNT :{
+ if ( cmd[1] < 5 )
+ snprintf(exp,size,"READ CNT(%d)",cmd[1]);
+ else
+ snprintf(exp,size,"?");
+ break;
+ }
+ case MIFARE_ULEV1_INCR_CNT : {
+ if ( cmd[1] < 5 )
+ snprintf(exp,size,"INCR(%d)",cmd[1]);
+ else
+ snprintf(exp,size,"?");
+ break;
+ }
+ case MIFARE_ULEV1_READSIG : snprintf(exp,size,"READ_SIG"); break;
+ case MIFARE_ULEV1_CHECKTEAR : snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
+ case MIFARE_ULEV1_VCSL : snprintf(exp,size,"VCSL"); break;
+ default: return 0;
}
return 1;
}
-void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
+void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
applyIso14443a(exp, size, cmd, cmdsize);
}
-void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
-{
- switch(cmd[0])
- {
- case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
- case ICLASS_CMD_READ_OR_IDENTIFY:{
- if(cmdsize > 1){
- snprintf(exp,size,"READ(%d)",cmd[1]);
- }else{
- snprintf(exp,size,"IDENTIFY");
+void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
+ switch (cmd[0]) {
+ case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
+ case ICLASS_CMD_READ_OR_IDENTIFY:{
+ if(cmdsize > 1){
+ snprintf(exp,size,"READ(%d)",cmd[1]);
+ }else{
+ snprintf(exp,size,"IDENTIFY");
+ }
+ break;
}
- break;
- }
- case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
- case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
- case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
- case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
- case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
- case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
- case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
- case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
- case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
- case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
- default: snprintf(exp,size,"?"); break;
+ case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
+ case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
+ case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
+ case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
+ case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
+ case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
+ case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
+ case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
+ case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
+ case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
+ default: snprintf(exp,size,"?"); break;
}
return;
}
-void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
-{
-
- if(cmd[0] == 0x26)
- {
+void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
+ if(cmd[0] == 0x26) {
switch(cmd[1]){
- case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
- case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
- default: snprintf(exp,size,"?"); break;
-
+ case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
+ case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
+ default :snprintf(exp,size,"?"); break;
}
- }else if(cmd[0] == 0x02)
- {
- switch(cmd[1])
- {
- case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
- case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
- case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
- case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
- case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
- case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
- case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
- case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
- case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
- case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
- case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
- case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
- default: snprintf(exp,size,"?"); break;
+ } else if(cmd[0] == 0x02) {
+ switch (cmd[1]) {
+ case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
+ case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
+ case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
+ case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
+ case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
+ case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
+ case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
+ case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
+ case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
+ case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
+ case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
+ case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
+ default: snprintf(exp,size,"?"); break;
}
}
}
-void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
-{
+void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
switch(cmd[0]) {
case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
**/
-void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
-{
+void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
switch(cmd[0]){
case ISO14443B_REQB : {
}
}
+// LEGIC
+// 1 = read
+// 0 = write
+// Quite simpel tag
+void annotateLegic(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
+ switch(cmd[0]) {
+ case LEGIC_HSK :snprintf(exp, size, "HANDSHAKE");break;
+ case LEGIC_READ :snprintf(exp, size, "READ");break;
+ case LEGIC_WRITE :snprintf(exp, size, "WRITE");break;
+ default :snprintf(exp,size,"?"); break;
+ }
+}
/**
* @brief iso14443A_CRC_check Checks CRC in command or response
* @param isResponse
}
}
+uint8_t legic_CRC_check(bool isResponse, uint8_t* data, uint8_t len){
+ if (len > 2) return 2;
+ return 0;
+ // crc_init(&legic_crc, 4, 0x19 >> 1, 0x5, 0);
+ // crc_clear(&legic_crc);
+ // crc_update(&legic_crc, 1, 1); /* CMD_READ */
+ // crc_update(&legic_crc, byte_index, cmd_sz-1);
+ // crc_update(&legic_crc, value, 8);
+ // return crc_finish(&legic_crc);
+}
bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
{
case ISO_14443A:
case MFDES:
crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
- break;
+ break;
default:
break;
}
+ } else if ( data_len == 2 && protocol == LEGIC ){
+ crcStatus = legic_CRC_check(isResponse, frame, data_len);
}
//0 CRC-command, CRC not ok
//1 CRC-command, CRC ok
case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
case ISO_7816_4: annotateIso7816(explanation,sizeof(explanation),frame,data_len); break;
+ case LEGIC: annotateLegic(explanation,sizeof(explanation),frame,data_len); break;
default: break;
}
}
PrintAndLog(" raw - just show raw data without annotations");
PrintAndLog(" 14a - interpret data as iso14443a communications");
PrintAndLog(" 14b - interpret data as iso14443b communications");
- PrintAndLog(" des - interpret data as DESFire communications");
+ PrintAndLog(" des - interpret data as DESFire communications");
PrintAndLog(" iclass - interpret data as iclass communications");
PrintAndLog(" topaz - interpret data as topaz communications");
PrintAndLog(" 7816 - interpret data as iso7816-4 communications");
+ PrintAndLog(" legic - interpret data as LEGIC communications");
PrintAndLog("");
PrintAndLog("example: hf list 14a f");
PrintAndLog(" hf list iclass");
return 0;
}
-int CmdHFList(const char *Cmd)
-{
+int CmdHFList(const char *Cmd) {
clearCommandBuffer();
bool showWaitCycles = false;
else if(strcmp(type, "14b") == 0) protocol = ISO_14443B;
else if(strcmp(type, "topaz")== 0) protocol = TOPAZ;
else if(strcmp(type, "7816")== 0) protocol = ISO_7816_4;
- else if(strcmp(type,"des")== 0) protocol = MFDES;
+ else if(strcmp(type,"des")== 0) protocol = MFDES;
+ else if(strcmp(type,"legic")==0) protocol = LEGIC;
else if(strcmp(type, "raw")== 0) protocol = -1;//No crc, no annotations
else errors = true;
PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
- while(tracepos < traceLen)
- {
+ while(tracepos < traceLen) {
tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
}
return 0;
}
-int CmdHFSnoop(const char *Cmd)
-{
+int CmdHFSnoop(const char *Cmd) {
char cmdp = param_getchar(Cmd, 0);
if (cmdp == 'h' || cmdp == 'H') return usage_hf_snoop();