RfidResearchGroup/proxmark3
1
1
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-01-09 17:56:53 +08:00
Code Issues Projects Releases Packages Wiki Activity

Add ISO15693 write commands to simulation.

Browse source
This commit is contained in:
Markus Walter 2022-09-05 10:24:22 +02:00
parent 2d7e1d30b9
commit f6096367b3
1 changed files with 41 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

41
armsrc/iso15693.c
View file

@ -2294,6 +2294,47 @@ void SimTagIso15693(uint8_t *uid, uint8_t block_size) {
TransmitTo15693Reader(ts->buf, ts->max, &response_time, 0, slow);
LogTrace_ISO15693(resp_readblock, response_length, response_time * 32, (response_time * 32) + (ts->max * 32 * 64), NULL, false);
}
// WRITE_BLOCK and WRITE_MULTI_BLOCK
if ((cmd[1] == ISO15693_WRITEBLOCK) || (cmd[1] == ISO15693_WRITE_MULTI_BLOCK)) {
bool slow = !(cmd[0] & ISO15_REQ_DATARATE_HIGH);
bool addressed = cmd[0] & ISO15_REQ_ADDRESS;
uint32_t response_time = reader_eof_time + DELAY_ISO15693_VCD_TO_VICC_SIM;
uint8_t address_offset = 0;
if (addressed) {
address_offset = 8;
}
uint8_t block_idx = cmd[2 + address_offset];
uint8_t block_count = 1;
uint8_t multi_offset = 0;
if (cmd[1] == ISO15693_WRITE_MULTI_BLOCK) {
block_count = cmd[3 + address_offset] + 1;
multi_offset = 1;
}
uint8_t *data = cmd + 3 + address_offset + multi_offset;
// write data
EmlSetMemIso15693(block_count * block_size, data, block_idx * block_size);
// Build WRITE_(MULTI_)BLOCK response
int response_length = 3;
uint8_t resp_writeblock[response_length];
for (int i = 0; i < response_length; i++) {
resp_writeblock[i] = 0;
}
resp_writeblock[0] = 0; // Response flags
// CRC
AddCrc15(resp_writeblock, response_length - 2);
CodeIso15693AsTag(resp_writeblock, response_length);
tosend_t *ts = get_tosend();
TransmitTo15693Reader(ts->buf, ts->max, &response_time, 0, slow);
LogTrace_ISO15693(resp_writeblock, response_length, response_time * 32, (response_time * 32) + (ts->max * 32 * 64), NULL, false);
}
}
switch_off();