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ADD: started to add tracelog in legic

Browse source 
ADD: remake of legic codebase.
ADD: started with a annotation for LEGIC in 'hf list'
This commit is contained in:
iceman1001 2016-09-02 16:25:54 +02:00
commit c71c5ee156
8 changed files with 526 additions and 447 deletions
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1
armsrc/BigBuf.c
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@ -139,7 +139,6 @@ uint16_t BigBuf_get_traceLen(void)
The traces produced by calling this function can be fetched on the client-side The traces produced by calling this function can be fetched on the client-side
by 'hf list raw', alternatively 'hf list <proto>' for protocol-specific by 'hf list raw', alternatively 'hf list <proto>' for protocol-specific
annotation of commands/responses. annotation of commands/responses.
**/ **/
bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag) bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag)
{ {

602
armsrc/legicrf.c
View file

@ -8,14 +8,7 @@
// LEGIC RF simulation code // LEGIC RF simulation code
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
#include "proxmark3.h"
#include "apps.h"
#include "util.h"
#include "string.h"
#include "legicrf.h" #include "legicrf.h"
#include "legic_prng.h"
#include "crc.h"
static struct legic_frame { static struct legic_frame {
int bits; int bits;
@ -37,11 +30,12 @@ static int legic_phase_drift;
static int legic_frame_drift; static int legic_frame_drift;
static int legic_reqresp_drift; static int legic_reqresp_drift;
int timestamp;
AT91PS_TC timer; AT91PS_TC timer;
AT91PS_TC prng_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 /* 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. * this it won't be terribly accurate but should be good enough.
*/ */
@ -78,35 +72,59 @@ static void setup_timer(void)
#define FUZZ_EQUAL(value, target, fuzz) ((value) > ((target)-(fuzz)) && (value) < ((target)+(fuzz))) #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 */ /* Generate Keystream */
static uint32_t get_key_stream(int skip, int count) 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; legic_prng_bc += prng_timer->TC_CV;
// reset the prng timer.
prng_timer->TC_CCR = AT91C_TC_SWTRG; prng_timer->TC_CCR = AT91C_TC_SWTRG;
while(prng_timer->TC_CV > 1) ;
/* If skip == -1, forward prng time based */ /* If skip == -1, forward prng time based */
if(skip == -1) { 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 -= 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); legic_prng_forward(i);
} else { } else {
legic_prng_forward(skip); legic_prng_forward(skip);
} }
/* Write Time Data into LOG */
uint8_t *BigBuf = BigBuf_get_addr();
i = (count == 6) ? -1 : legic_read_count; i = (count == 6) ? -1 : legic_read_count;
BigBuf[OFFSET_LOG+128+i] = legic_prng_count(); /* Write Time Data into LOG */
BigBuf[OFFSET_LOG+256+i*4] = (legic_prng_bc >> 0) & 0xff; // uint8_t *BigBuf = BigBuf_get_addr();
BigBuf[OFFSET_LOG+256+i*4+1] = (legic_prng_bc >> 8) & 0xff; // BigBuf[OFFSET_LOG+128+i] = legic_prng_count();
BigBuf[OFFSET_LOG+256+i*4+2] = (legic_prng_bc >>16) & 0xff; // BigBuf[OFFSET_LOG+256+i*4] = (legic_prng_bc >> 0) & 0xff;
BigBuf[OFFSET_LOG+256+i*4+3] = (legic_prng_bc >>24) & 0xff; // BigBuf[OFFSET_LOG+256+i*4+1] = (legic_prng_bc >> 8) & 0xff;
BigBuf[OFFSET_LOG+384+i] = count; // 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 */ /* Generate KeyStream */
for(i=0; i<count; i++) { for(i=0; i<count; i++) {
@ -129,48 +147,55 @@ static void frame_send_tag(uint16_t response, int bits, int crypt)
/* Use time to crypt frame */ /* Use time to crypt frame */
if(crypt) { if(crypt) {
legic_prng_forward(2); /* TAG_TIME_WAIT -> shift by 2 */ legic_prng_forward(2); /* TAG_TIME_WAIT -> shift by 2 */
int i; int key = 0; int key = 0;
for(i=0; i<bits; i++) { for(int i = 0; i < bits; i++) {
key |= legic_prng_get_bit() << i; key |= legic_prng_get_bit() << i;
legic_prng_forward(1); legic_prng_forward(1);
} }
//Dbprintf("key = 0x%x", key);
response = response ^ key; response = response ^ key;
} }
/* Wait for the frame start */ /* Wait for the frame start */
while(timer->TC_CV < (TAG_TIME_WAIT - 30)) ; //while(timer->TC_CV < (TAG_TIME_WAIT - 30)) ;
WAIT( TAG_TIME_WAIT - 30)
int i;
for(i=0; i<bits; i++) { uint8_t bit = 0;
for(int i = 0; i < bits; i++) {
int nextbit = timer->TC_CV + TAG_TIME_BIT; int nextbit = timer->TC_CV + TAG_TIME_BIT;
int bit = response & 1; bit = response & 1;
response = response >> 1; response >>= 1;
if(bit)
if (bit)
AT91C_BASE_PIOA->PIO_SODR = GPIO_SSC_DOUT; AT91C_BASE_PIOA->PIO_SODR = GPIO_SSC_DOUT;
else else
AT91C_BASE_PIOA->PIO_CODR = GPIO_SSC_DOUT; 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; 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 /* Send a frame in reader mode, the FPGA must have been set up by
* LegicRfReader * LegicRfReader
*/ */
static void frame_send_rwd(uint32_t data, int bits) 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 */
int i; ResetClock();
for(i=0; i<bits; i++) { int starttime = 0, pause_end = 0, bit = 0, bit_end = 0;
int starttime = timer->TC_CV;
int pause_end = starttime + RWD_TIME_PAUSE, bit_end; for(int i = 0; i<bits; i++) {
int bit = data & 1;
data = data >> 1; starttime = timer->TC_CV;
pause_end = starttime + RWD_TIME_PAUSE;
bit = data & 1;
data >>= 1;
if(bit ^ legic_prng_get_bit()) if(bit ^ legic_prng_get_bit())
bit_end = starttime + RWD_TIME_1; bit_end = starttime + RWD_TIME_1;
@ -181,23 +206,27 @@ static void frame_send_rwd(uint32_t data, int bits)
/* RWD_TIME_PAUSE time off, then some time on, so that the complete bit time is /* 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 */ * RWD_TIME_x, where x is the bit to be transmitted */
AT91C_BASE_PIOA->PIO_CODR = GPIO_SSC_DOUT; 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; AT91C_BASE_PIOA->PIO_SODR = GPIO_SSC_DOUT;
legic_prng_forward(1); /* bit duration is longest. use this time to forward the lfsr */ 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 */ /* 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; 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; AT91C_BASE_PIOA->PIO_SODR = GPIO_SSC_DOUT;
/* Reset the timer, to measure time until the start of the tag frame */ /* Reset the timer, to measure time until the start of the tag frame */
timer->TC_CCR = AT91C_TC_SWTRG; ResetClock();
while(timer->TC_CV > 1) ; /* Wait till the clock has reset */
} }
/* Receive a frame from the card in reader emulation mode, the FPGA and /* Receive a frame from the card in reader emulation mode, the FPGA and
@ -224,13 +253,11 @@ static void frame_send_rwd(uint32_t data, int bits)
static void frame_receive_rwd(struct legic_frame * const f, int bits, int crypt) 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 the_bit = 1; /* Use a bitmask to save on shifts */
uint32_t data=0; uint32_t data = 0;
int i, old_level=0, edges=0; int i, old_level = 0, edges = 0;
int next_bit_at = TAG_TIME_WAIT; int next_bit_at = TAG_TIME_WAIT;
if(bits > 32) { if(bits > 32) bits = 32;
bits = 32;
}
AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_DIN; AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_DIN;
AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DIN; AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DIN;
@ -246,7 +273,7 @@ static void frame_receive_rwd(struct legic_frame * const f, int bits, int crypt)
} }
} }
while(timer->TC_CV < next_bit_at) ; WAIT(next_bit_at)
next_bit_at += TAG_TIME_BIT; next_bit_at += TAG_TIME_BIT;
@ -260,7 +287,8 @@ static void frame_receive_rwd(struct legic_frame * const f, int bits, int crypt)
} }
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; data ^= the_bit;
} }
the_bit <<= 1; the_bit <<= 1;
@ -269,47 +297,51 @@ static void frame_receive_rwd(struct legic_frame * const f, int bits, int crypt)
f->data = data; f->data = data;
f->bits = bits; f->bits = bits;
/* Reset the timer, to synchronize the next frame */ // Reset the timer, to synchronize the next frame
timer->TC_CCR = AT91C_TC_SWTRG; ResetClock();
while(timer->TC_CV > 1) ; /* Wait till the clock has reset */
} }
static void frame_append_bit(struct legic_frame * const f, int bit) static void frame_append_bit(struct legic_frame * const f, int bit) {
{ // Overflow, won't happen
if (f->bits >= 31) if (f->bits >= 31) return;
return; /* Overflow, won't happen */
f->data |= (bit << f->bits); f->data |= (bit << f->bits);
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->data = 0;
f->bits = 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 */ /* Switch on carrier and let the tag charge for 1ms */
AT91C_BASE_PIOA->PIO_SODR = GPIO_SSC_DOUT; AT91C_BASE_PIOA->PIO_SODR = GPIO_SSC_DOUT;
SpinDelay(1); SpinDelay(20); // was 1ms before.
legic_prng_init(0); /* no keystream yet */ /* no keystream yet */
legic_prng_init(0);
// IV
frame_send_rwd(iv, 7); frame_send_rwd(iv, 7);
legic_prng_init(iv); legic_prng_init(iv);
frame_clean(&current_frame); frame_clean(&current_frame);
frame_receive_rwd(&current_frame, 6, 1); frame_receive_rwd(&current_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); frame_send_rwd(0x39, 6);
return current_frame.data; return current_frame.data;
} }
static void LegicCommonInit(void) { static void LegicCommonInit(void) {
FpgaDownloadAndGo(FPGA_BITSTREAM_HF); FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
SetAdcMuxFor(GPIO_MUXSEL_HIPKD); SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
FpgaSetupSsc(); FpgaSetupSsc();
@ -320,18 +352,25 @@ static void LegicCommonInit(void) {
AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT; AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT;
AT91C_BASE_PIOA->PIO_PER = 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(); setup_timer();
crc_init(&legic_crc, 4, 0x19 >> 1, 0x5, 0); crc_init(&legic_crc, 4, 0x19 >> 1, 0x5, 0);
} }
/* Switch off carrier, make sure tag is reset */ /* 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; AT91C_BASE_PIOA->PIO_CODR = GPIO_SSC_DOUT;
SpinDelay(10); SpinDelay(10);
WDT_HIT(); WDT_HIT();
} }
/* calculate crc for a legic command */ /* calculate crc for a legic command */
static int LegicCRC(int byte_index, int value, int cmd_sz) { static int LegicCRC(int byte_index, int value, int cmd_sz) {
crc_clear(&legic_crc); crc_clear(&legic_crc);
@ -342,48 +381,69 @@ static int LegicCRC(int byte_index, int value, int cmd_sz) {
} }
int legic_read_byte(int byte_index, int cmd_sz) { 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); 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(&current_frame); frame_clean(&current_frame);
starttime = timer->TC_CV;
// read
frame_receive_rwd(&current_frame, 12, 1); frame_receive_rwd(&current_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; 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) ) { if( calcCrc != crc ) {
Dbprintf("!!! crc mismatch: expected %x but got %x !!!", Dbprintf("!!! crc mismatch: expected %x but got %x !!!", calcCrc, crc);
LegicCRC(byte_index, current_frame.data & 0xff, cmd_sz),
current_frame.data >> 8);
return -1; return -1;
} }
legic_prng_forward(4); /* we wait anyways */ // we wait anyways
legic_prng_forward(4);
return byte; 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)
* * assemble a write_cmd_frame with crc and send it * - forward the prng based on the timing
* * 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, int PrngCorrection) {
int legic_write_byte(int byte, int addr, int addr_sz) { int legic_write_byte(int byte, int addr, int addr_sz) {
//do not write UID, CRC
if(addr <= 0x04) { //do not write UID, CRC at offset 0-4.
return 0; if(addr <= 0x04) return 0;
}
//== send write command ============================== // crc
crc_clear(&legic_crc); crc_clear(&legic_crc);
crc_update(&legic_crc, 0, 1); /* CMD_WRITE */ crc_update(&legic_crc, 0, 1); /* CMD_WRITE */
crc_update(&legic_crc, addr, addr_sz); crc_update(&legic_crc, addr, addr_sz);
crc_update(&legic_crc, byte, 8); crc_update(&legic_crc, byte, 8);
uint32_t crc = crc_finish(&legic_crc); uint32_t crc = crc_finish(&legic_crc);
// send write command
uint32_t cmd = ((crc <<(addr_sz+1+8)) //CRC uint32_t cmd = ((crc <<(addr_sz+1+8)) //CRC
|(byte <<(addr_sz+1)) //Data |(byte <<(addr_sz+1)) //Data
|(addr <<1) //Address |(addr <<1) //Address
@ -391,17 +451,22 @@ int legic_write_byte(int byte, int addr, int addr_sz) {
uint32_t cmd_sz = addr_sz+1+8+4; //crc+data+cmd uint32_t cmd_sz = addr_sz+1+8+4; //crc+data+cmd
legic_prng_forward(2); /* we wait anyways */ legic_prng_forward(2); /* we wait anyways */
while(timer->TC_CV < 387) ; /* ~ 258us */ while(timer->TC_CV < 387) ; /* ~ 258us */
frame_send_rwd(cmd, cmd_sz); 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; // wait for ack
AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DIN; 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 */ while(timer->TC_CV < 387) ; /* ~ 258us */
for(t=0; t<80; t++) {
for( t = 0; t < 80; t++) {
edges = 0; edges = 0;
next_bit_at += TAG_TIME_BIT; next_bit_at += TAG_TIME_BIT;
while(timer->TC_CV < next_bit_at) { while(timer->TC_CV < next_bit_at) {
@ -413,15 +478,15 @@ int legic_write_byte(int byte, int addr, int addr_sz) {
} }
if(edges > 20 && edges < 60) { /* expected are 42 edges */ if(edges > 20 && edges < 60) { /* expected are 42 edges */
int t = timer->TC_CV; int t = timer->TC_CV;
int c = t/TAG_TIME_BIT; int c = t / TAG_TIME_BIT;
timer->TC_CCR = AT91C_TC_SWTRG;
while(timer->TC_CV > 1) ; /* Wait till the clock has reset */ ResetClock();
legic_prng_forward(c); legic_prng_forward(c);
return 0; return 0;
} }
} }
timer->TC_CCR = AT91C_TC_SWTRG;
while(timer->TC_CV > 1) ; /* Wait till the clock has reset */ ResetClock();
return -1; return -1;
} }
@ -431,43 +496,44 @@ int LegicRfReader(int offset, int bytes, int iv) {
// ice_legic_select_card(); // ice_legic_select_card();
// return 0; // 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; iv = (iv <= 0 ) ? SESSION_IV : iv;
LegicCommonInit(); LegicCommonInit();
uint8_t *BigBuf = BigBuf_get_addr(); if ( MF_DBGLEVEL >= 2) DbpString("setting up legic card");
memset(BigBuf, 0, 1024);
DbpString("setting up legic card");
uint32_t tag_type = perform_setup_phase_rwd(iv); 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) { switch(tag_type) {
case 0x0d: case 0x0d:
DbpString("MIM22 card found, reading card ..."); if ( MF_DBGLEVEL >= 2) DbpString("MIM22 card found, reading card ...");
cmd_sz = 6; cmd_sz = 6;
card_sz = 22; card_sz = 22;
break; break;
case 0x1d: case 0x1d:
DbpString("MIM256 card found, reading card ..."); if ( MF_DBGLEVEL >= 2) DbpString("MIM256 card found, reading card ...");
cmd_sz = 9; cmd_sz = 9;
card_sz = 256; card_sz = 256;
break; break;
case 0x3d: case 0x3d:
DbpString("MIM1024 card found, reading card ..."); if ( MF_DBGLEVEL >= 2) DbpString("MIM1024 card found, reading card ...");
cmd_sz = 11; cmd_sz = 11;
card_sz = 1024; card_sz = 1024;
break; break;
default: default:
Dbprintf("Unknown card format: %x",tag_type); if ( MF_DBGLEVEL >= 1) Dbprintf("Unknown card format: %x",tag_type);
return -1; return -1;
} }
if(bytes == -1) if(bytes == -1)
bytes = card_sz; bytes = card_sz;
if(bytes+offset >= card_sz) if(bytes+offset >= card_sz)
bytes = card_sz-offset; bytes = card_sz - offset;
perform_setup_phase_rwd(iv); perform_setup_phase_rwd(iv);
@ -476,23 +542,22 @@ int LegicRfReader(int offset, int bytes, int iv) {
LED_B_ON(); LED_B_ON();
while(byte_index < bytes) { while(byte_index < bytes) {
int r = legic_read_byte(byte_index+offset, cmd_sz); int r = legic_read_byte(byte_index+offset, cmd_sz);
if(r == -1 ||BUTTON_PRESS()) { if(r == -1 || BUTTON_PRESS()) {
DbpString("operation aborted"); switch_off_tag_rwd();
switch_off_tag_rwd(); LEDsoff();
LED_B_OFF(); if ( MF_DBGLEVEL >= 2) DbpString("operation aborted");
LED_C_OFF(); return -1;
return -1;
} }
BigBuf[byte_index] = r; cardmem[byte_index] = r;
WDT_HIT(); WDT_HIT();
byte_index++; byte_index++;
if (byte_index & 0x10) LED_C_ON(); else LED_C_OFF();
} }
LED_B_OFF();
LED_C_OFF();
switch_off_tag_rwd(); switch_off_tag_rwd();
Dbprintf("Card read, use 'hf legic decode' or"); LEDsoff();
Dbprintf("'data hexsamples %d' to view results", (bytes+7) & ~7);
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; return 0;
} }
@ -539,15 +604,18 @@ int LegicRfReader(int offset, int bytes, int iv) {
void LegicRfWriter(int offset, int bytes, int iv) { void LegicRfWriter(int offset, int bytes, int iv) {
int byte_index=0, addr_sz=0; int byte_index = 0, addr_sz = 0;
uint8_t *BigBuf = BigBuf_get_addr();
iv = (iv <=0 ) ? SESSION_IV : iv; iv = (iv <=0 ) ? SESSION_IV : iv;
LegicCommonInit(); LegicCommonInit();
DbpString("setting up legic card"); if ( MF_DBGLEVEL >= 2) DbpString("setting up legic card");
uint32_t tag_type = perform_setup_phase_rwd(iv); uint32_t tag_type = perform_setup_phase_rwd(iv);
switch_off_tag_rwd(); switch_off_tag_rwd();
switch(tag_type) { switch(tag_type) {
case 0x0d: case 0x0d:
if(offset+bytes > 22) { if(offset+bytes > 22) {
@ -555,7 +623,7 @@ void LegicRfWriter(int offset, int bytes, int iv) {
return; return;
} }
addr_sz = 5; 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; break;
case 0x1d: case 0x1d:
if(offset+bytes > 0x100) { if(offset+bytes > 0x100) {
@ -563,7 +631,7 @@ void LegicRfWriter(int offset, int bytes, int iv) {
return; return;
} }
addr_sz = 8; 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; break;
case 0x3d: case 0x3d:
if(offset+bytes > 0x400) { if(offset+bytes > 0x400) {
@ -571,14 +639,13 @@ void LegicRfWriter(int offset, int bytes, int iv) {
return; return;
} }
addr_sz = 10; 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; break;
default: default:
Dbprintf("No or unknown card found, aborting"); Dbprintf("No or unknown card found, aborting");
return; return;
} }
#if 1
LED_B_ON(); LED_B_ON();
perform_setup_phase_rwd(iv); perform_setup_phase_rwd(iv);
while(byte_index < bytes) { while(byte_index < bytes) {
@ -587,53 +654,46 @@ void LegicRfWriter(int offset, int bytes, int iv) {
//check if the DCF should be changed //check if the DCF should be changed
if ( ((byte_index+offset) == 0x05) && (bytes >= 0x02) ) { if ( ((byte_index+offset) == 0x05) && (bytes >= 0x02) ) {
//write DCF in reverse order (addr 0x06 before 0x05) //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... // write second byte on success...
if(r == 0) { if(r == 0) {
byte_index++; 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 { 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()) { if((r != 0) || BUTTON_PRESS()) {
Dbprintf("operation aborted @ 0x%03.3x", byte_index); Dbprintf("operation aborted @ 0x%03.3x", byte_index);
switch_off_tag_rwd(); switch_off_tag_rwd();
LED_B_OFF(); LEDsoff();
LED_C_OFF();
return; return;
} }
WDT_HIT(); WDT_HIT();
byte_index++; byte_index++;
if(byte_index & 0x10) LED_C_ON(); else LED_C_OFF();
} }
LED_B_OFF(); LEDsoff();
LED_C_OFF(); if ( MF_DBGLEVEL >= 1) DbpString("write successful");
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
} }
void LegicRfRawWriter(int address, int byte, int iv) { 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; iv = (iv <= 0) ? SESSION_IV : iv;
LegicCommonInit(); LegicCommonInit();
DbpString("setting up legic card"); if ( MF_DBGLEVEL >= 2) DbpString("setting up legic card");
uint32_t tag_type = perform_setup_phase_rwd(iv); uint32_t tag_type = perform_setup_phase_rwd(iv);
switch_off_tag_rwd(); switch_off_tag_rwd();
switch(tag_type) { switch(tag_type) {
case 0x0d: case 0x0d:
if(address > 22) { if(address > 22) {
@ -641,7 +701,7 @@ void LegicRfRawWriter(int address, int byte, int iv) {
return; return;
} }
addr_sz = 5; 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; break;
case 0x1d: case 0x1d:
if(address > 0x100) { if(address > 0x100) {
@ -649,7 +709,7 @@ void LegicRfRawWriter(int address, int byte, int iv) {
return; return;
} }
addr_sz = 8; 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; break;
case 0x3d: case 0x3d:
if(address > 0x400) { if(address > 0x400) {
@ -657,14 +717,16 @@ void LegicRfRawWriter(int address, int byte, int iv) {
return; return;
} }
addr_sz = 10; 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; break;
default: default:
Dbprintf("No or unknown card found, aborting"); Dbprintf("No or unknown card found, aborting");
return; return;
} }
Dbprintf("integer value: %d address: %d addr_sz: %d", byte, address, addr_sz); Dbprintf("integer value: %d address: %d addr_sz: %d", byte, address, addr_sz);
LED_B_ON(); LED_B_ON();
perform_setup_phase_rwd(iv); perform_setup_phase_rwd(iv);
//legic_prng_forward(2); //legic_prng_forward(2);
@ -673,28 +735,29 @@ void LegicRfRawWriter(int address, int byte, int iv) {
if((r != 0) || BUTTON_PRESS()) { if((r != 0) || BUTTON_PRESS()) {
Dbprintf("operation aborted @ 0x%03.3x (%1d)", byte_index, r); Dbprintf("operation aborted @ 0x%03.3x (%1d)", byte_index, r);
switch_off_tag_rwd(); switch_off_tag_rwd();
LED_B_OFF(); LEDsoff();
LED_C_OFF();
return; return;
} }
LED_B_OFF(); LEDsoff();
LED_C_OFF(); if ( MF_DBGLEVEL >= 1) DbpString("write successful");
DbpString("write successful");
} }
int timestamp; /* Handle (whether to respond) a frame in tag mode
* Only called when simulating a tag.
/* Handle (whether to respond) a frame in tag mode */ */
static void frame_handle_tag(struct legic_frame const * const f) static void frame_handle_tag(struct legic_frame const * const f)
{ {
uint8_t *BigBuf = BigBuf_get_addr(); uint8_t *BigBuf = BigBuf_get_addr();
/* First Part of Handshake (IV) */ /* First Part of Handshake (IV) */
if(f->bits == 7) { if(f->bits == 7) {
// if(f->data == SESSION_IV) {
LED_C_ON(); 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); legic_prng_init(f->data);
frame_send_tag(0x3d, 6, 1); /* 0x3d^0x26 = 0x1b */ frame_send_tag(0x3d, 6, 1); /* 0x3d^0x26 = 0x1b */
legic_state = STATE_IV; legic_state = STATE_IV;
@ -703,16 +766,11 @@ static void frame_handle_tag(struct legic_frame const * const f)
legic_prng_iv = f->data; legic_prng_iv = f->data;
/* TIMEOUT */ /* TIMEOUT */
timer->TC_CCR = AT91C_TC_SWTRG; ResetClock();
while(timer->TC_CV > 1);
while(timer->TC_CV < 280); //while(timer->TC_CV < 280);
WAIT(280)
return; return;
// } else if((prng_timer->TC_CV % 50) > 40) {
// legic_prng_init(f->data);
// frame_send_tag(0x3d, 6, 1);
// SpinDelay(20);
// return;
// }
} }
/* 0x19==??? */ /* 0x19==??? */
@ -723,9 +781,11 @@ static void frame_handle_tag(struct legic_frame const * const f)
legic_state = STATE_CON; legic_state = STATE_CON;
/* TIMEOUT */ /* TIMEOUT */
timer->TC_CCR = AT91C_TC_SWTRG; ResetClock();
while(timer->TC_CV > 1);
while(timer->TC_CV < 200); //while(timer->TC_CV < 200);
WAIT(200)
return; return;
} else { } else {
legic_state = STATE_DISCON; legic_state = STATE_DISCON;
@ -750,11 +810,13 @@ static void frame_handle_tag(struct legic_frame const * const f)
frame_send_tag(hash | data, 12, 1); frame_send_tag(hash | data, 12, 1);
/* SHORT TIMEOUT */ /* TIMEOUT */
timer->TC_CCR = AT91C_TC_SWTRG; ResetClock();
while(timer->TC_CV > 1);
legic_prng_forward(2); legic_prng_forward(2);
while(timer->TC_CV < 180); //while(timer->TC_CV < 180);
WAIT(180)
return; return;
} }
} }
@ -803,21 +865,25 @@ static void frame_handle_tag(struct legic_frame const * const f)
/* Read bit by bit untill full frame is received /* Read bit by bit untill full frame is received
* Call to process frame end answer * Call to process frame end answer
*/ */
static void emit(int bit) static void emit(int bit) {
{
if(bit == -1) { switch (bit) {
if(current_frame.bits <= 4) { case 1:
frame_clean(&current_frame); frame_append_bit(&current_frame, 1);
} else { break;
frame_handle_tag(&current_frame); case 0:
frame_clean(&current_frame); frame_append_bit(&current_frame, 0);
} break;
WDT_HIT(); default:
} else if(bit == 0) { if(current_frame.bits <= 4) {
frame_append_bit(&current_frame, 0); frame_clean(&current_frame);
} else if(bit == 1) { } else {
frame_append_bit(&current_frame, 1); frame_handle_tag(&current_frame);
} frame_clean(&current_frame);
}
WDT_HIT();
break;
}
} }
void LegicRfSimulate(int phase, int frame, int reqresp) void LegicRfSimulate(int phase, int frame, int reqresp)
@ -833,84 +899,74 @@ void LegicRfSimulate(int phase, int frame, int reqresp)
* seems to be 300us-ish. * seems to be 300us-ish.
*/ */
// if(phase < 0) { legic_phase_drift = phase;
// int i; legic_frame_drift = frame;
// for(i=0; i<=reqresp; i++) { legic_reqresp_drift = reqresp;
// legic_prng_init(SESSION_IV);
// Dbprintf("i=%u, key 0x%3.3x", i, get_key_stream(i, frame));
// }
// return;
// }
legic_phase_drift = phase; FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
legic_frame_drift = frame; SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
legic_reqresp_drift = reqresp; FpgaSetupSsc();
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR | FPGA_HF_SIMULATOR_MODULATE_212K);
FpgaDownloadAndGo(FPGA_BITSTREAM_HF); /* Bitbang the receiver */
SetAdcMuxFor(GPIO_MUXSEL_HIPKD); AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_DIN;
FpgaSetupSsc(); AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DIN;
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR | FPGA_HF_SIMULATOR_MODULATE_212K);
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");
/* Bitbang the receiver */ while(!BUTTON_PRESS() && !usb_poll_validate_length()) {
AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_DIN; int level = !!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_DIN);
AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DIN; int time = timer->TC_CV;
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(); if(level != old_level) {
DbpString("Starting Legic emulator, press button to end"); if(level == 1) {
while(!BUTTON_PRESS() && !usb_poll_validate_length()) { timer->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG;
int level = !!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_DIN);
int time = timer->TC_CV; if (FUZZ_EQUAL(time, RWD_TIME_1, RWD_TIME_FUZZ)) {
/* 1 bit */
if(level != old_level) { emit(1);
if(level == 1) { active = 1;
timer->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG; LED_A_ON();
if(FUZZ_EQUAL(time, RWD_TIME_1, RWD_TIME_FUZZ)) { } else if (FUZZ_EQUAL(time, RWD_TIME_0, RWD_TIME_FUZZ)) {
/* 1 bit */ /* 0 bit */
emit(1); emit(0);
active = 1; active = 1;
LED_A_ON(); LED_A_ON();
} else if(FUZZ_EQUAL(time, RWD_TIME_0, RWD_TIME_FUZZ)) { } else if (active) {
/* 0 bit */ /* invalid */
emit(0); emit(-1);
active = 1; active = 0;
LED_A_ON(); LED_A_OFF();
} else if(active) { }
/* invalid */ }
emit(-1); }
active = 0;
LED_A_OFF();
}
}
}
if(time >= (RWD_TIME_1+RWD_TIME_FUZZ) && active) { /* Frame end */
/* Frame end */ if(time >= (RWD_TIME_1+RWD_TIME_FUZZ) && active) {
emit(-1); emit(-1);
active = 0; active = 0;
LED_A_OFF(); LED_A_OFF();
} }
if(time >= (20*RWD_TIME_1) && (timer->TC_SR & AT91C_TC_CLKSTA)) { if(time >= (20*RWD_TIME_1) && (timer->TC_SR & AT91C_TC_CLKSTA)) {
timer->TC_CCR = AT91C_TC_CLKDIS; timer->TC_CCR = AT91C_TC_CLKDIS;
} }
old_level = level; old_level = level;
WDT_HIT(); WDT_HIT();
} }
DbpString("Stopped"); if ( MF_DBGLEVEL >= 1) DbpString("Stopped");
LED_B_OFF(); LEDsoff();
LED_A_OFF();
LED_C_OFF();
} }
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------

8
armsrc/legicrf.h
View file

@ -11,6 +11,14 @@
#ifndef __LEGICRF_H #ifndef __LEGICRF_H
#define __LEGICRF_H #define __LEGICRF_H
#include "proxmark3.h" //
#include "apps.h"
#include "util.h" //
#include "string.h"
#include "legic_prng.h" // legic PRNG impl
#include "crc.h" // legic crc-4
extern void LegicRfSimulate(int phase, int frame, int reqresp); extern void LegicRfSimulate(int phase, int frame, int reqresp);
extern int LegicRfReader(int offset, int bytes, int iv); extern int LegicRfReader(int offset, int bytes, int iv);
extern void LegicRfWriter(int offset, int bytes, int iv); extern void LegicRfWriter(int offset, int bytes, int iv);

307
client/cmdhf.c
View file

@ -37,161 +37,149 @@ int CmdHFTune(const char *Cmd) {
return 0; return 0;
} }
int applyIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
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;
switch(cmd[0]) case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
{ // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break; // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
case ISO14443A_CMD_ANTICOLL_OR_SELECT:{ if(cmd[1] == 0x70)
// 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor) snprintf(exp,size,"SELECT_UID");
// 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK) else
if(cmd[1] == 0x70) snprintf(exp,size,"ANTICOLL");
snprintf(exp,size,"SELECT_UID"); break;
else }
snprintf(exp,size,"ANTICOLL"); case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
break; //95 20 = Anticollision of cascade level2
} //95 70 = Select of cascade level2
case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{ if(cmd[2] == 0x70)
//95 20 = Anticollision of cascade level2 snprintf(exp,size,"SELECT_UID-2");
//95 70 = Select of cascade level2 else
if(cmd[2] == 0x70) snprintf(exp,size,"ANTICOLL-2");
snprintf(exp,size,"SELECT_UID-2"); break;
else }
snprintf(exp,size,"ANTICOLL-2"); case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break;
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_REQA: snprintf(exp,size,"REQA"); break; case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break;
case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break; case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break; case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
case ISO14443A_CMD_HALT: snprintf(exp,size,"HALT"); break; case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break; case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break; case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break; case MIFARE_AUTH_KEYA:{
case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break; if ( cmdsize > 3)
case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break; snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
case MIFARE_AUTH_KEYA:{ else
if ( cmdsize > 3) // case MIFARE_ULEV1_VERSION : both 0x60.
snprintf(exp,size,"AUTH-A(%d)",cmd[1]); snprintf(exp,size,"EV1 VERSION");
else break;
// case MIFARE_ULEV1_VERSION : both 0x60. }
snprintf(exp,size,"EV1 VERSION"); case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
break; case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
} case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
case MIFARE_AUTH_KEYB: snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break; case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break; case MIFARE_ULC_AUTH_1 : snprintf(exp,size,"AUTH "); break;
case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break; case MIFARE_ULC_AUTH_2 : snprintf(exp,size,"AUTH_ANSW"); break;
case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break; case MIFARE_ULEV1_AUTH :
case MIFARE_ULC_AUTH_1 : snprintf(exp,size,"AUTH "); break; if ( cmdsize == 7 )
case MIFARE_ULC_AUTH_2 : snprintf(exp,size,"AUTH_ANSW"); break; snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
case MIFARE_ULEV1_AUTH : else
if ( cmdsize == 7 ) snprintf(exp,size,"PWD-AUTH");
snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] ); break;
else case MIFARE_ULEV1_FASTREAD : {
snprintf(exp,size,"PWD-AUTH"); if ( cmdsize >=3 && cmd[2] <= 0xE6)
break; snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
case MIFARE_ULEV1_FASTREAD : { else
if ( cmdsize >=3 && cmd[2] <= 0xE6) snprintf(exp,size,"?");
snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]); break;
else }
snprintf(exp,size,"?"); case MIFARE_ULC_WRITE : {
break; if ( cmd[1] < 0x21 )
} snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
case MIFARE_ULC_WRITE : { else
if ( cmd[1] < 0x21 ) snprintf(exp,size,"?");
snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
else }
snprintf(exp,size,"?"); case MIFARE_ULEV1_READ_CNT :{
break; if ( cmd[1] < 5 )
} snprintf(exp,size,"READ CNT(%d)",cmd[1]);
case MIFARE_ULEV1_READ_CNT :{ else
if ( cmd[1] < 5 ) snprintf(exp,size,"?");
snprintf(exp,size,"READ CNT(%d)",cmd[1]); break;
else }
snprintf(exp,size,"?"); case MIFARE_ULEV1_INCR_CNT : {
break; if ( cmd[1] < 5 )
} snprintf(exp,size,"INCR(%d)",cmd[1]);
case MIFARE_ULEV1_INCR_CNT : { else
if ( cmd[1] < 5 ) snprintf(exp,size,"?");
snprintf(exp,size,"INCR(%d)",cmd[1]); break;
else }
snprintf(exp,size,"?"); case MIFARE_ULEV1_READSIG : snprintf(exp,size,"READ_SIG"); break;
break; case MIFARE_ULEV1_CHECKTEAR : snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
} case MIFARE_ULEV1_VCSL : snprintf(exp,size,"VCSL"); break;
case MIFARE_ULEV1_READSIG : snprintf(exp,size,"READ_SIG"); break; default: return 0;
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; 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); applyIso14443a(exp, size, cmd, cmdsize);
} }
void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
{ switch (cmd[0]) {
switch(cmd[0]) case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
{ case ICLASS_CMD_READ_OR_IDENTIFY:{
case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break; if(cmdsize > 1){
case ICLASS_CMD_READ_OR_IDENTIFY:{ snprintf(exp,size,"READ(%d)",cmd[1]);
if(cmdsize > 1){ }else{
snprintf(exp,size,"READ(%d)",cmd[1]); snprintf(exp,size,"IDENTIFY");
}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_SELECT: snprintf(exp,size,"SELECT"); break; case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break; case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break; case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break; case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break; case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break; case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break; case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break; case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break; default: snprintf(exp,size,"?"); break;
case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
default: snprintf(exp,size,"?"); break;
} }
return; return;
} }
void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize) {
{ if(cmd[0] == 0x26) {
if(cmd[0] == 0x26)
{
switch(cmd[1]){ switch(cmd[1]){
case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break; case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");break;
case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break; case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");break;
default: snprintf(exp,size,"?"); break; default :snprintf(exp,size,"?"); break;
} }
}else if(cmd[0] == 0x02) } else if(cmd[0] == 0x02) {
{ switch (cmd[1]) {
switch(cmd[1]) case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break;
{ case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break;
case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");break; case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break;
case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");break; case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break;
case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");break; case ISO15693_SELECT :snprintf(exp, size, "SELECT");break;
case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");break; case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break;
case ISO15693_SELECT :snprintf(exp, size, "SELECT");break; case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break;
case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");break; case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break;
case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");break; case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break;
case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");break; case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break;
case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");break; case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break;
case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");break; case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");break; default: snprintf(exp,size,"?"); 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]) { switch(cmd[0]) {
case TOPAZ_REQA :snprintf(exp, size, "REQA");break; case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break; case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
@ -345,8 +333,7 @@ void annotateMfDesfire(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate) 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]){ switch(cmd[0]){
case ISO14443B_REQB : { case ISO14443B_REQB : {
@ -379,6 +366,18 @@ void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
} }
} }
// 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 * @brief iso14443A_CRC_check Checks CRC in command or response
* @param isResponse * @param isResponse
@ -490,6 +489,16 @@ uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
} }
} }
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) bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
{ {
@ -603,10 +612,12 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
case ISO_14443A: case ISO_14443A:
case MFDES: case MFDES:
crcStatus = iso14443A_CRC_check(isResponse, frame, data_len); crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
break; break;
default: default:
break; break;
} }
} else if ( data_len == 2 && protocol == LEGIC ){
crcStatus = legic_CRC_check(isResponse, frame, data_len);
} }
//0 CRC-command, CRC not ok //0 CRC-command, CRC not ok
//1 CRC-command, CRC ok //1 CRC-command, CRC ok
@ -661,6 +672,7 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break; case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
case TOPAZ: annotateTopaz(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 ISO_7816_4: annotateIso7816(explanation,sizeof(explanation),frame,data_len); break;
case LEGIC: annotateLegic(explanation,sizeof(explanation),frame,data_len); break;
default: break; default: break;
} }
} }
@ -706,10 +718,11 @@ int usage_hf_list(){
PrintAndLog(" raw - just show raw data without annotations"); PrintAndLog(" raw - just show raw data without annotations");
PrintAndLog(" 14a - interpret data as iso14443a communications"); PrintAndLog(" 14a - interpret data as iso14443a communications");
PrintAndLog(" 14b - interpret data as iso14443b 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(" iclass - interpret data as iclass communications");
PrintAndLog(" topaz - interpret data as topaz communications"); PrintAndLog(" topaz - interpret data as topaz communications");
PrintAndLog(" 7816 - interpret data as iso7816-4 communications"); PrintAndLog(" 7816 - interpret data as iso7816-4 communications");
PrintAndLog(" legic - interpret data as LEGIC communications");
PrintAndLog(""); PrintAndLog("");
PrintAndLog("example: hf list 14a f"); PrintAndLog("example: hf list 14a f");
PrintAndLog(" hf list iclass"); PrintAndLog(" hf list iclass");
@ -738,8 +751,7 @@ int usage_hf_snoop(){
return 0; return 0;
} }
int CmdHFList(const char *Cmd) int CmdHFList(const char *Cmd) {
{
clearCommandBuffer(); clearCommandBuffer();
bool showWaitCycles = false; bool showWaitCycles = false;
@ -770,7 +782,8 @@ int CmdHFList(const char *Cmd)
else if(strcmp(type, "14b") == 0) protocol = ISO_14443B; else if(strcmp(type, "14b") == 0) protocol = ISO_14443B;
else if(strcmp(type, "topaz")== 0) protocol = TOPAZ; else if(strcmp(type, "topaz")== 0) protocol = TOPAZ;
else if(strcmp(type, "7816")== 0) protocol = ISO_7816_4; 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 if(strcmp(type, "raw")== 0) protocol = -1;//No crc, no annotations
else errors = true; else errors = true;
@ -809,8 +822,7 @@ int CmdHFList(const char *Cmd)
PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |"); PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|"); PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
while(tracepos < traceLen) while(tracepos < traceLen) {
{
tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes); tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
} }
@ -854,8 +866,7 @@ int CmdHFSearch(const char *Cmd){
return 0; return 0;
} }
int CmdHFSnoop(const char *Cmd) int CmdHFSnoop(const char *Cmd) {
{
char cmdp = param_getchar(Cmd, 0); char cmdp = param_getchar(Cmd, 0);
if (cmdp == 'h' || cmdp == 'H') return usage_hf_snoop(); if (cmdp == 'h' || cmdp == 'H') return usage_hf_snoop();

3
client/cmdhflegic.c
View file

@ -107,7 +107,8 @@ int CmdLegicDecode(const char *Cmd) {
int bIsSegmented = 0; int bIsSegmented = 0;
// download EML memory, where the "legic read" command puts the data. // download EML memory, where the "legic read" command puts the data.
GetEMLFromBigBuf(data_buf, sizeof(data_buf), 0); // copy data from proxmark into buffer
GetFromBigBuf(data_buf,sizeof(data_buf),0);
if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2000)){ if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2000)){
PrintAndLog("Command execute timeout"); PrintAndLog("Command execute timeout");
return 1; return 1;

40
common/legic_prng.c
View file

@ -9,35 +9,33 @@
#include "legic_prng.h" #include "legic_prng.h"
struct lfsr { struct lfsr {
uint8_t a; uint8_t a;
uint8_t b; uint8_t b;
uint32_t c; uint32_t c;
} lfsr; } lfsr;
void legic_prng_init(uint8_t init) { void legic_prng_init(uint8_t init) {
lfsr.c = 0; lfsr.a = init;
lfsr.a = init; lfsr.b = 0; // hack to get a always 0 keystream
if(init == 0) /* hack to get a always 0 keystream */ lfsr.c = 0;
lfsr.b = 0; if(init)
else lfsr.b = (init << 1) | 1;
lfsr.b = (init << 1) | 1;
} }
void legic_prng_forward(int count) { void legic_prng_forward(int count) {
lfsr.c += count; lfsr.c += count;
while(count--) { while(count--) {
//lfsr.a = lfsr.a >> 1 | (lfsr.a ^ lfsr.a >> 6) << 6; // According: http://www.proxmark.org/forum/viewtopic.php?pid=5437#p5437
// According: http://www.proxmark.org/forum/viewtopic.php?pid=5437#p5437 lfsr.a = (lfsr.a >> 1 | (lfsr.a ^ lfsr.a >> 6) << 6) & 0x7F;
lfsr.a = (lfsr.a >> 1 | (lfsr.a ^ lfsr.a >> 6) << 6) & 0x7F; lfsr.b = lfsr.b >> 1 | (lfsr.b ^ lfsr.b >> 2 ^ lfsr.b >> 3 ^ lfsr.b >> 7) << 7;
lfsr.b = lfsr.b >> 1 | (lfsr.b ^ lfsr.b >> 2 ^ lfsr.b >> 3 ^ lfsr.b >> 7) << 7; }
}
} }
int legic_prng_count() { uint32_t legic_prng_count() {
return lfsr.c; return lfsr.c;
} }
uint8_t legic_prng_get_bit() { uint8_t legic_prng_get_bit() {
uint8_t idx = 7 - ( (lfsr.a & 4) | (lfsr.a >> 2 & 2) | (lfsr.a >> 4 & 1) ); uint8_t idx = 7 - ( (lfsr.a & 4) | (lfsr.a >> 2 & 2) | (lfsr.a >> 4 & 1) );
return lfsr.b >> idx & 1; return lfsr.b >> idx & 1;
} }

9
common/protocols.h
View file

@ -246,12 +246,14 @@ ISO 7816-4 Basic interindustry commands. For command APDU's.
#define TOPAZ_WRITE_NE8 0x1B // Write-no-erase (eight bytes) #define TOPAZ_WRITE_NE8 0x1B // Write-no-erase (eight bytes)
// Definetions of which protocol annotations there are available
#define ISO_14443A 0 #define ISO_14443A 0
#define ICLASS 1 #define ICLASS 1
#define ISO_14443B 2 #define ISO_14443B 2
#define TOPAZ 3 #define TOPAZ 3
#define ISO_7816_4 4 #define ISO_7816_4 4
#define MFDES 5 #define MFDES 5
#define LEGIC 6
//-- Picopass fuses //-- Picopass fuses
#define FUSE_FPERS 0x80 #define FUSE_FPERS 0x80
@ -322,7 +324,12 @@ ISO 7816-4 Basic interindustry commands. For command APDU's.
#define MFDES_CHANGE_KEY 0xc4 #define MFDES_CHANGE_KEY 0xc4
#define MFDES_GET_KEY_VERSION 0x64 #define MFDES_GET_KEY_VERSION 0x64
#define MFDES_AUTHENTICATION_FRAME 0xAF #define MFDES_AUTHENTICATION_FRAME 0xAF
// LEGIC Commands
#define LEGIC_HSK 0xFF
#define LEGIC_READ 0x01
#define LEGIC_WRITE 0x00
void printIclassDumpInfo(uint8_t* iclass_dump); void printIclassDumpInfo(uint8_t* iclass_dump);
void getMemConfig(uint8_t mem_cfg, uint8_t chip_cfg, uint8_t *max_blk, uint8_t *app_areas, uint8_t *kb); void getMemConfig(uint8_t mem_cfg, uint8_t chip_cfg, uint8_t *max_blk, uint8_t *app_areas, uint8_t *kb);

3
include/legic_prng.h
View file

@ -12,8 +12,7 @@
#include <stdint.h> #include <stdint.h>
extern void legic_prng_init(uint8_t init); extern void legic_prng_init(uint8_t init);
extern void legic_prng_forward(int count); extern void legic_prng_forward(int count);
extern int legic_prng_count(); extern uint32_t legic_prng_count();
extern uint8_t legic_prng_get_bit(); extern uint8_t legic_prng_get_bit();
#endif #endif