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different rats for DESFire simulation (suggestion from @mosci)

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iceman1001 2021-12-25 13:46:00 +01:00
commit cbf06104bd
1 changed files with 5 additions and 4 deletions
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9
armsrc/iso14443a.c
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@ -1017,7 +1017,7 @@ bool SimulateIso14443aInit(int tagType, int flags, uint8_t *data, tag_response_i
static uint8_t rSAKc3[3] = { 0x00 };
// dummy ATS (pseudo-ATR), answer to RATS
// static uint8_t rRATS[] = { 0x04, 0x58, 0x80, 0x02, 0x00, 0x00 };
static uint8_t rRATS[] = { 0x05, 0x75, 0x80, 0x60, 0x02, 0x00, 0x00 };
static uint8_t rRATS[] = { 0x05, 0x75, 0x80, 0x60, 0x02, 0x00, 0x00, 0x00 };
// GET_VERSION response for EV1/NTAG
static uint8_t rVERSION[10] = { 0x00 };
@ -1044,6 +1044,7 @@ bool SimulateIso14443aInit(int tagType, int flags, uint8_t *data, tag_response_i
rATQA[0] = 0x04;
rATQA[1] = 0x03;
sak = 0x20;
memcpy(rRATS, "\x06\x75\x77\x81\x02\x00\x00\x00", 8);
}
break;
case 4: { // ISO/IEC 14443-4 - javacard (JCOP)
@ -1227,9 +1228,9 @@ bool SimulateIso14443aInit(int tagType, int flags, uint8_t *data, tag_response_i
// "precompile" responses. There are 11 predefined responses with a total of 80 bytes data to transmit.
// Coded responses need one byte per bit to transfer (data, parity, start, stop, correction)
// 80 * 8 data bits, 80 * 1 parity bits, 11 start bits, 11 stop bits, 11 correction bits
// 80 * 8 + 80 + 11 + 11 + 11 == 753
#define ALLOCATED_TAG_MODULATION_BUFFER_SIZE 753
// 81 * 8 data bits, 81 * 1 parity bits, 11 start bits, 11 stop bits, 11 correction bits
// 81 * 8 + 81 + 11 + 11 + 11 == 762
#define ALLOCATED_TAG_MODULATION_BUFFER_SIZE 762
uint8_t *free_buffer = BigBuf_malloc(ALLOCATED_TAG_MODULATION_BUFFER_SIZE);
// modulation buffer pointer and current buffer free space size