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chg: ntag215/amiibo, empty header, use hardcoded values

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iceman1001 2020-06-14 07:41:21 +02:00
commit 88a42c6108
1 changed files with 15 additions and 3 deletions
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14
armsrc/iso14443a.c
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@ -980,14 +980,26 @@ bool SimulateIso14443aInit(int tagType, int flags, uint8_t *data, tag_response_i
// some first pages of UL/NTAG dump is special data // some first pages of UL/NTAG dump is special data
mfu_dump_t *mfu_header = (mfu_dump_t *) BigBuf_get_EM_addr(); mfu_dump_t *mfu_header = (mfu_dump_t *) BigBuf_get_EM_addr();
*pages = MAX(mfu_header->pages, 19); *pages = MAX(mfu_header->pages, 19);
// counters and tearing flags // counters and tearing flags
for (int i = 0; i < 3; i++) { // for old dumps with all zero headers, we need to set default values.
for (uint8_t i = 0; i < 3; i++) {
counters[i] = le24toh(mfu_header->counter_tearing[i]); counters[i] = le24toh(mfu_header->counter_tearing[i]);
if (mfu_header->counter_tearing[i][3] != 0x00) {
tearings[i] = mfu_header->counter_tearing[i][3]; tearings[i] = mfu_header->counter_tearing[i][3];
} }
}
// GET_VERSION // GET_VERSION
if (memcmp(mfu_header->version, "\x00\x00\x00\x00\x00\x00\x00\x00", 8) == 0) {
memcpy(rVERSION, "\x00\x04\x04\x02\x01\x00\x11\x03", 8);
} else {
memcpy(rVERSION, mfu_header->version, 8); memcpy(rVERSION, mfu_header->version, 8);
}
AddCrc14A(rVERSION, sizeof(rVERSION) - 2); AddCrc14A(rVERSION, sizeof(rVERSION) - 2);
// READ_SIG // READ_SIG
memcpy(rSIGN, mfu_header->signature, 32); memcpy(rSIGN, mfu_header->signature, 32);
AddCrc14A(rSIGN, sizeof(rSIGN) - 2); AddCrc14A(rSIGN, sizeof(rSIGN) - 2);