X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/584e28e54b4fe7d372d92a1715b599065e11f929..b1cd7d5ca67c4cbe566d1662cafc0f3eb9949f6f:/armsrc/legicrf.c diff --git a/armsrc/legicrf.c b/armsrc/legicrf.c index 97c14b69..8042fc8d 100644 --- a/armsrc/legicrf.c +++ b/armsrc/legicrf.c @@ -10,7 +10,7 @@ #include "legicrf.h" static struct legic_frame { - int bits; + uint8_t bits; uint32_t data; } current_frame; @@ -72,7 +72,7 @@ static void setup_timer(void) { #define RWD_TIME_1 120 // READER_TIME_PAUSE 20us off, 80us on = 100us 80 * 1.5 == 120ticks #define RWD_TIME_0 60 // READER_TIME_PAUSE 20us off, 40us on = 60us 40 * 1.5 == 60ticks #define RWD_TIME_PAUSE 30 // 20us == 20 * 1.5 == 30ticks */ -#define TAG_BIT_PERIOD 150 // 100us == 100 * 1.5 == 150ticks +#define TAG_BIT_PERIOD 142 // 100us == 100 * 1.5 == 150ticks #define TAG_FRAME_WAIT 495 // 330us from READER frame end to TAG frame start. 330 * 1.5 == 495 #define RWD_TIME_FUZZ 20 // rather generous 13us, since the peak detector + hysteresis fuzz quite a bit @@ -91,8 +91,6 @@ static void setup_timer(void) { # define OPEN_COIL HIGH(GPIO_SSC_DOUT); #endif -uint32_t sendFrameStop = 0; - // Pause pulse, off in 20us / 30ticks, // ONE / ZERO bit pulse, // one == 80us / 120ticks @@ -142,14 +140,13 @@ static void frame_clean(struct legic_frame * const f) { /* Generate Keystream */ uint32_t get_key_stream(int skip, int count) { - uint32_t key = 0; + int i; // Use int to enlarge timer tc to 32bit legic_prng_bc += prng_timer->TC_CV; // reset the prng timer. - ResetTimer(prng_timer); /* If skip == -1, forward prng time based */ if(skip == -1) { @@ -163,55 +160,41 @@ uint32_t get_key_stream(int skip, int count) { i = (count == 6) ? -1 : legic_read_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; + // log + //uint8_t cmdbytes[] = {bits, BYTEx(data, 0), BYTEx(data, 1), BYTEx(send, 0), BYTEx(send, 1), legic_prng_count()}; + //LogTrace(cmdbytes, sizeof(cmdbytes), starttime, GET_TICKS, NULL, TRUE); /* Generate KeyStream */ - for(i=0; iPIO_OER = GPIO_SSC_DOUT; AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT; - /* Use time to crypt frame */ - if(crypt) { - legic_prng_forward(2); /* TAG_FRAME_WAIT -> shift by 2 */ - response ^= legic_prng_get_bits(bits); - } + /* TAG_FRAME_WAIT -> shift by 2 */ + legic_prng_forward(2); + response ^= legic_prng_get_bits(bits); /* Wait for the frame start */ - WaitUS( TAG_FRAME_WAIT ); - - uint8_t bit = 0; - for(int i = 0; i < bits; i++) { + WaitTicks( TAG_FRAME_WAIT ); - bit = response & 1; - response >>= 1; - - if (bit) - HIGH(GPIO_SSC_DOUT); + for (; mask < BITMASK(bits); mask <<= 1) { + if (response & mask) + OPEN_COIL else - LOW(GPIO_SSC_DOUT); - - WaitUS(100); + SHORT_COIL + WaitTicks(TAG_BIT_PERIOD); } - LOW(GPIO_SSC_DOUT); + SHORT_COIL; } /* Send a frame in reader mode, the FPGA must have been set up by @@ -221,33 +204,23 @@ void frame_sendAsReader(uint32_t data, uint8_t bits){ uint32_t starttime = GET_TICKS, send = 0; uint16_t mask = 1; - uint8_t prngstart = legic_prng_count() ; // xor lsfr onto data. send = data ^ legic_prng_get_bits(bits); for (; mask < BITMASK(bits); mask <<= 1) { - if (send & mask) { + if (send & mask) COIL_PULSE(RWD_TIME_1); - } else { + else COIL_PULSE(RWD_TIME_0); - } } // Final pause to mark the end of the frame COIL_PULSE(0); - sendFrameStop = GET_TICKS; - uint8_t cmdbytes[] = { - bits, - BYTEx(data, 0), - BYTEx(data, 1), - BYTEx(send, 0), - BYTEx(send, 1), - prngstart, - legic_prng_count() - }; - LogTrace(cmdbytes, sizeof(cmdbytes), starttime, sendFrameStop, NULL, TRUE); + // log + uint8_t cmdbytes[] = {bits, BYTEx(data, 0), BYTEx(data, 1), BYTEx(send, 0), BYTEx(send, 1)}; + LogTrace(cmdbytes, sizeof(cmdbytes), starttime, GET_TICKS, NULL, TRUE); } /* Receive a frame from the card in reader emulation mode, the FPGA and @@ -273,47 +246,31 @@ void frame_sendAsReader(uint32_t data, uint8_t bits){ */ static void frame_receiveAsReader(struct legic_frame * const f, uint8_t bits) { - frame_clean(f); if ( bits > 32 ) return; uint8_t i = bits, edges = 0; - uint16_t lsfr = 0; - uint32_t the_bit = 1, next_bit_at = 0, data; - - int old_level = 0, level = 0; + uint32_t the_bit = 1, next_bit_at = 0, data = 0; + uint32_t old_level = 0; + volatile uint32_t level = 0; + frame_clean(f); + AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_DIN; AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DIN; // calibrate the prng. legic_prng_forward(2); - - // precompute the cipher - uint8_t prngstart = legic_prng_count() ; - - data = lsfr = legic_prng_get_bits(bits); + data = legic_prng_get_bits(bits); //FIXED time between sending frame and now listening frame. 330us - // 387 = 0x19 0001 1001 - // 480 = 0x19 - // 500 = 0x1C 0001 1100 uint32_t starttime = GET_TICKS; - //uint16_t mywait = TAG_FRAME_WAIT - (starttime - sendFrameStop); - //uint16_t mywait = 495 - (starttime - sendFrameStop); - if ( bits == 6) { - //Dbprintf("6 WAIT %d", 495 - 9 - 9 ); - WaitTicks( 495 - 9 - 9 ); - } else { - //Dbprintf("x WAIT %d", mywait ); - //WaitTicks( mywait ); - WaitTicks( 450 ); - } + // its about 9+9 ticks delay from end-send to here. + WaitTicks( 477 ); - next_bit_at = GET_TICKS + TAG_BIT_PERIOD; + next_bit_at = GET_TICKS + TAG_BIT_PERIOD; while ( i-- ){ edges = 0; - uint8_t adjust = 0; while ( GET_TICKS < next_bit_at) { level = (AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_DIN); @@ -322,17 +279,11 @@ static void frame_receiveAsReader(struct legic_frame * const f, uint8_t bits) { ++edges; old_level = level; - - if(edges > 20 && adjust == 0) { - next_bit_at -= 15; - adjust = 1; - } } next_bit_at += TAG_BIT_PERIOD; - // We expect 42 edges == ONE - //if (edges > 20 && edges < 64) + // We expect 42 edges (ONE) if ( edges > 20 ) data ^= the_bit; @@ -343,15 +294,8 @@ static void frame_receiveAsReader(struct legic_frame * const f, uint8_t bits) { f->data = data; f->bits = bits; - uint8_t cmdbytes[] = { - bits, - BYTEx(data,0), - BYTEx(data,1), - BYTEx(data, 0) ^ BYTEx(lsfr,0), - BYTEx(data, 1) ^ BYTEx(lsfr,1), - prngstart, - legic_prng_count() - }; + // log + uint8_t cmdbytes[] = {bits, BYTEx(data, 0), BYTEx(data, 1)}; LogTrace(cmdbytes, sizeof(cmdbytes), starttime, GET_TICKS, NULL, FALSE); } @@ -360,7 +304,7 @@ static uint32_t setup_phase_reader(uint8_t iv) { // Switch on carrier and let the tag charge for 1ms HIGH(GPIO_SSC_DOUT); - WaitUS(100); + WaitUS(5000); ResetTicks(); @@ -375,9 +319,10 @@ static uint32_t setup_phase_reader(uint8_t iv) { frame_receiveAsReader(¤t_frame, 6); - // fixed delay before sending ack. - WaitTicks(366); // 244us - legic_prng_forward(1); //240us / 100 == 2.4 iterations + // 292us (438t) - fixed delay before sending ack. + // minus log and stuff 100tick? + WaitTicks(338); + legic_prng_forward(3); // Send obsfuscated acknowledgment frame. // 0x19 = 0x18 MIM22, 0x01 LSB READCMD @@ -388,6 +333,8 @@ static uint32_t setup_phase_reader(uint8_t iv) { case 0x3D: frame_sendAsReader(0x39, 6); break; default: break; } + + legic_prng_forward(2); return current_frame.data; } @@ -403,7 +350,7 @@ static void LegicCommonInit(void) { 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); + cardmem = BigBuf_get_EM_addr(); memset(cardmem, 0x00, LEGIC_CARD_MEMSIZE); clear_trace(); @@ -421,42 +368,36 @@ static void switch_off_tag_rwd(void) { } // calculate crc4 for a legic READ command -// 5,8,10 address size. -static uint32_t legic4Crc(uint8_t legicCmd, uint16_t byte_index, uint8_t value, uint8_t cmd_sz) { +static uint32_t legic4Crc(uint8_t cmd, uint16_t byte_index, uint8_t value, uint8_t cmd_sz) { crc_clear(&legic_crc); - //uint32_t temp = (value << cmd_sz) | (byte_index << 1) | legicCmd; - //crc_update(&legic_crc, temp, cmd_sz + 8 ); - crc_update(&legic_crc, 1, 1); /* CMD_READ */ - crc_update(&legic_crc, byte_index, cmd_sz-1); - crc_update(&legic_crc, value, 8); + uint32_t temp = (value << cmd_sz) | (byte_index << 1) | cmd; + crc_update(&legic_crc, temp, cmd_sz + 8 ); return crc_finish(&legic_crc); } -int legic_read_byte(int byte_index, int cmd_sz) { +int legic_read_byte( uint16_t index, uint8_t cmd_sz) { - uint8_t byte = 0, crc = 0, calcCrc = 0; - uint32_t cmd = (byte_index << 1) | LEGIC_READ; + uint8_t byte, crc, calcCrc = 0; + uint32_t cmd = (index << 1) | LEGIC_READ; - // (us)| ticks - // ------------- - // 330 | 495 - // 460 | 690 - // 258 | 387 - // 244 | 366 - WaitTicks(495); - legic_prng_forward(3); // 460 / 100 = 4.6 iterations + // 90ticks = 60us (should be 100us but crc calc takes time.) + //WaitTicks(330); // 330ticks prng(4) - works + WaitTicks(240); // 240ticks prng(3) - works frame_sendAsReader(cmd, cmd_sz); frame_receiveAsReader(¤t_frame, 12); + // CRC check. byte = BYTEx(current_frame.data, 0); - calcCrc = legic4Crc(LEGIC_READ, byte_index, byte, cmd_sz); crc = BYTEx(current_frame.data, 1); + calcCrc = legic4Crc(LEGIC_READ, index, byte, cmd_sz); if( calcCrc != crc ) { Dbprintf("!!! crc mismatch: expected %x but got %x !!!", calcCrc, crc); return -1; } + + legic_prng_forward(3); return byte; } @@ -477,11 +418,11 @@ int legic_write_byte(uint8_t byte, uint16_t addr, uint8_t addr_sz) { crc_update(&legic_crc, addr, addr_sz); crc_update(&legic_crc, byte, 8); uint32_t crc = crc_finish(&legic_crc); - uint32_t crc2 = legic4Crc(LEGIC_WRITE, addr, byte, addr_sz+1); - if ( crc != crc2 ) + if ( crc != crc2 ) { Dbprintf("crc is missmatch"); - + return 1; + } // send write command uint32_t cmd = ((crc <<(addr_sz+1+8)) //CRC |(byte <<(addr_sz+1)) //Data @@ -490,13 +431,12 @@ int legic_write_byte(uint8_t byte, uint16_t addr, uint8_t addr_sz) { uint32_t cmd_sz = addr_sz+1+8+4; //crc+data+cmd - legic_prng_forward(2); /* we wait anyways */ + legic_prng_forward(2); - WaitUS(TAG_FRAME_WAIT); + WaitTicks(330); frame_sendAsReader(cmd, cmd_sz); - - // wllm-rbnt doesnt have these + AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_DIN; AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DIN; @@ -504,19 +444,19 @@ int legic_write_byte(uint8_t byte, uint16_t addr, uint8_t addr_sz) { int t, old_level = 0, edges = 0; int next_bit_at = 0; - WaitUS(TAG_FRAME_WAIT); + WaitTicks(TAG_FRAME_WAIT); for( t = 0; t < 80; ++t) { edges = 0; next_bit_at += TAG_BIT_PERIOD; while(timer->TC_CV < next_bit_at) { - int level = (AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_DIN); + volatile uint32_t level = (AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_DIN); if(level != old_level) edges++; old_level = level; } - if(edges > 20 && edges < 60) { /* expected are 42 edges */ + if(edges > 20 ) { /* expected are 42 edges */ int t = timer->TC_CV; int c = t / TAG_BIT_PERIOD; @@ -530,59 +470,36 @@ int legic_write_byte(uint8_t byte, uint16_t addr, uint8_t addr_sz) { return -1; } -int LegicRfReader(int offset, int bytes, int iv) { +int LegicRfReader(uint16_t offset, uint16_t len, uint8_t iv) { - uint16_t byte_index = 0; - uint8_t cmd_sz = 0, isOK = 1; - int card_sz = 0; - - LegicCommonInit(); - - uint32_t tag_type = setup_phase_reader(iv); + uint16_t i = 0; + uint8_t isOK = 1; + legic_card_select_t card; - switch_off_tag_rwd(); + LegicCommonInit(); - switch(tag_type) { - case 0x0d: - if ( MF_DBGLEVEL >= 2) DbpString("MIM22 card found, reading card"); - cmd_sz = 6; - card_sz = 22; - break; - case 0x1d: - if ( MF_DBGLEVEL >= 2) DbpString("MIM256 card found, reading card"); - cmd_sz = 9; - card_sz = 256; - break; - case 0x3d: - if ( MF_DBGLEVEL >= 2) DbpString("MIM1024 card found, reading card"); - cmd_sz = 11; - card_sz = 1024; - break; - default: - if ( MF_DBGLEVEL >= 1) Dbprintf("Unknown card format: %x", tag_type); - isOK = 0; - goto OUT; - break; + if ( legic_select_card_iv(&card, iv) ) { + isOK = 0; + goto OUT; } - if (bytes == -1) - bytes = card_sz; - if (bytes + offset >= card_sz) - bytes = card_sz - offset; + switch_off_tag_rwd(); + + if (len + offset >= card.cardsize) + len = card.cardsize - offset; - // Start setup and read bytes. setup_phase_reader(iv); - + LED_B_ON(); - while (byte_index < bytes) { - int r = legic_read_byte(byte_index + offset, cmd_sz); + while (i < len) { + int r = legic_read_byte(offset + i, card.cmdsize); if (r == -1 || BUTTON_PRESS()) { - if ( MF_DBGLEVEL >= 3) DbpString("operation aborted"); + if ( MF_DBGLEVEL >= 2) DbpString("operation aborted"); isOK = 0; goto OUT; } - cardmem[++byte_index] = r; + cardmem[i++] = r; WDT_HIT(); } @@ -590,8 +507,7 @@ OUT: WDT_HIT(); switch_off_tag_rwd(); LEDsoff(); - uint8_t len = (bytes & 0x3FF); - cmd_send(CMD_ACK,isOK,len,0,cardmem,len); + cmd_send(CMD_ACK, isOK, len, 0, cardmem, len); return 0; } @@ -636,25 +552,27 @@ OUT: return 0; }*/ -void LegicRfWriter(int offset, int bytes, int iv) { +void LegicRfWriter(uint16_t offset, uint16_t bytes, uint8_t iv) { - int byte_index = 0, addr_sz = 0; - - LegicCommonInit(); + int byte_index = 0; + uint8_t isOK = 1; + legic_card_select_t card; - if ( MF_DBGLEVEL >= 2) DbpString("setting up legic card"); + LegicCommonInit(); - uint32_t tag_type = setup_phase_reader(iv); + if ( legic_select_card_iv(&card, iv) ) { + isOK = 0; + goto OUT; + } switch_off_tag_rwd(); - switch(tag_type) { + switch(card.tagtype) { case 0x0d: if(offset+bytes > 22) { Dbprintf("Error: can not write to 0x%03.3x on MIM22", offset + bytes); return; } - addr_sz = 5; if ( MF_DBGLEVEL >= 2) Dbprintf("MIM22 card found, writing 0x%02.2x - 0x%02.2x ...", offset, offset + bytes); break; case 0x1d: @@ -662,7 +580,6 @@ void LegicRfWriter(int offset, int bytes, int iv) { Dbprintf("Error: can not write to 0x%03.3x on MIM256", offset + bytes); return; } - addr_sz = 8; if ( MF_DBGLEVEL >= 2) Dbprintf("MIM256 card found, writing 0x%02.2x - 0x%02.2x ...", offset, offset + bytes); break; case 0x3d: @@ -670,49 +587,50 @@ void LegicRfWriter(int offset, int bytes, int iv) { Dbprintf("Error: can not write to 0x%03.3x on MIM1024", offset + bytes); return; } - addr_sz = 10; 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; } LED_B_ON(); setup_phase_reader(iv); + int r = 0; 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(cardmem[(0x06-byte_index)], (0x06-byte_index), addr_sz); + r = legic_write_byte(cardmem[(0x06-byte_index)], (0x06-byte_index), card.addrsize); - // write second byte on success... + // write second byte on success if(r == 0) { byte_index++; - r = legic_write_byte(cardmem[(0x06-byte_index)], (0x06-byte_index), addr_sz); + r = legic_write_byte(cardmem[(0x06-byte_index)], (0x06-byte_index), card.addrsize); } } else { - r = legic_write_byte(cardmem[byte_index+offset], byte_index+offset, addr_sz); + r = legic_write_byte(cardmem[byte_index+offset], byte_index+offset, card.addrsize); } if ((r != 0) || BUTTON_PRESS()) { Dbprintf("operation aborted @ 0x%03.3x", byte_index); - switch_off_tag_rwd(); - LEDsoff(); - return; + isOK = 0; + goto OUT; } WDT_HIT(); byte_index++; } - LEDsoff(); - if ( MF_DBGLEVEL >= 1) DbpString("write successful"); + +OUT: + cmd_send(CMD_ACK, isOK, 0,0,0,0); + switch_off_tag_rwd(); + LEDsoff(); } -void LegicRfRawWriter(int address, int byte, int iv) { +void LegicRfRawWriter(int address, int byte, uint8_t iv) { int byte_index = 0, addr_sz = 0; @@ -772,47 +690,67 @@ void LegicRfRawWriter(int address, int byte, int iv) { if ( MF_DBGLEVEL >= 1) DbpString("write successful"); } -void LegicRfInfo(void){ +int legic_select_card_iv(legic_card_select_t *p_card, uint8_t iv){ - LegicCommonInit(); - uint32_t tag_type = setup_phase_reader(0x55); - uint8_t cmd_sz = 0; - uint16_t card_sz = 0; + if ( p_card == NULL ) return 1; - switch(tag_type) { + p_card->tagtype = setup_phase_reader(iv); + + switch(p_card->tagtype) { case 0x0d: - cmd_sz = 6; - card_sz = 22; + p_card->cmdsize = 6; + p_card->addrsize = 5; + p_card->cardsize = 22; break; case 0x1d: - cmd_sz = 9; - card_sz = 256; + p_card->cmdsize = 9; + p_card->addrsize = 8; + p_card->cardsize = 256; break; case 0x3d: - cmd_sz = 11; - card_sz = 1024; + p_card->cmdsize = 11; + p_card->addrsize = 10; + p_card->cardsize = 1024; break; default: - cmd_send(CMD_ACK,0,0,0,0,0); - goto OUT; + p_card->cmdsize = 0; + p_card->addrsize = 0; + p_card->cardsize = 0; + return 2; + } + return 0; +} +int legic_select_card(legic_card_select_t *p_card){ + return legic_select_card_iv(p_card, 0x01); +} + +void LegicRfInfo(void){ + + uint8_t buf[sizeof(legic_card_select_t)] = {0x00}; + legic_card_select_t *card = (legic_card_select_t*) buf; + + LegicCommonInit(); + + if ( legic_select_card(card) ) { + cmd_send(CMD_ACK,0,0,0,0,0); + goto OUT; } - // read UID bytes. - uint8_t uid[] = {0,0,0,0}; - for ( uint8_t i = 0; i < sizeof(uid); ++i) { - int r = legic_read_byte(i, cmd_sz); + // read UID bytes + for ( uint8_t i = 0; i < sizeof(card->uid); ++i) { + int r = legic_read_byte(i, card->cmdsize); if ( r == -1 ) { cmd_send(CMD_ACK,0,0,0,0,0); goto OUT; } - uid[i] = r & 0xFF; + card->uid[i] = r & 0xFF; } - cmd_send(CMD_ACK,1,card_sz,0,uid,sizeof(uid)); -OUT: + cmd_send(CMD_ACK, 1, 0, 0, buf, sizeof(legic_card_select_t)); + +OUT: switch_off_tag_rwd(); LEDsoff(); - } /* Handle (whether to respond) a frame in tag mode @@ -822,26 +760,26 @@ 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) { + /* First Part of Handshake (IV) */ + if(f->bits == 7) { + + LED_C_ON(); - LED_C_ON(); - // Reset prng timer ResetTimer(prng_timer); - - legic_prng_init(f->data); - frame_send_tag(0x3d, 6, 1); /* 0x3d^0x26 = 0x1B */ - legic_state = STATE_IV; - legic_read_count = 0; - legic_prng_bc = 0; - legic_prng_iv = f->data; - - + + legic_prng_init(f->data); + frame_send_tag(0x3d, 6); /* 0x3d^0x26 = 0x1B */ + legic_state = STATE_IV; + legic_read_count = 0; + legic_prng_bc = 0; + legic_prng_iv = f->data; + + ResetTimer(timer); WaitUS(280); - return; - } + return; + } /* 0x19==??? */ if(legic_state == STATE_IV) { @@ -875,7 +813,7 @@ static void frame_handle_tag(struct legic_frame const * const f) //Dbprintf("Data:%03.3x, key:%03.3x, addr: %03.3x, read_c:%u", f->data, key, addr, read_c); legic_prng_forward(legic_reqresp_drift); - frame_send_tag(hash | data, 12, 1); + frame_send_tag(hash | data, 12); ResetTimer(timer); legic_prng_forward(2);