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osboxes.org 2019-12-31 22:32:54 +01:00
commit c87e8faefc
1 changed files with 7 additions and 7 deletions
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14
client/cmdlfgallagher.c
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@ -40,7 +40,7 @@ static int usage_lf_gallagher_clone(void) {
return PM3_SUCCESS;
}
static void descramble( uint8_t *arr, uint8_t len) {
static void descramble(uint8_t *arr, uint8_t len) {
uint8_t lut[] = {
0xa3, 0xb0, 0x80, 0xc6, 0xb2, 0xf4, 0x5c, 0x6c, 0x81, 0xf1, 0xbb, 0xeb, 0x55, 0x67, 0x3c, 0x05,
@ -100,16 +100,16 @@ static int CmdGallagherDemod(const char *Cmd) {
// bytes
uint8_t arr[8] = {0};
for(int i = 0, pos = 0; i < ARRAYLEN(arr); i++) {
pos = (i * 8) + i;
for (int i = 0, pos = 0; i < ARRAYLEN(arr); i++) {
pos = (i * 8) + i;
arr[i] = bytebits_to_byte(DemodBuffer + pos, 8);
printf("%d -", pos );
printf("%d -", pos);
}
printf("\n");
// crc
uint8_t crc = bytebits_to_byte(DemodBuffer + 72, 8);
uint8_t calc_crc = CRC8Cardx(arr, ARRAYLEN(arr) );
uint8_t calc_crc = CRC8Cardx(arr, ARRAYLEN(arr));
PrintAndLogEx(INFO, " Before: %s", sprint_hex(arr, 8));
descramble(arr, ARRAYLEN(arr));
@ -130,7 +130,7 @@ static int CmdGallagherDemod(const char *Cmd) {
PrintAndLogEx(SUCCESS, "GALLAGHER Tag Found -- Region: %u FC: %u CN: %u Issue Level: %u", rc, fc, cn, il);
PrintAndLogEx(SUCCESS, " Printed: %C%u", rc + 0x40, fc);
PrintAndLogEx(SUCCESS, " Raw: %08X%08X%08X", raw1, raw2, raw3);
PrintAndLogEx(SUCCESS, " CRC: %02X - %02X (%s)", crc, calc_crc, (crc == calc_crc) ? "OK":"Failed");
PrintAndLogEx(SUCCESS, " CRC: %02X - %02X (%s)", crc, calc_crc, (crc == calc_crc) ? "OK" : "Failed");
return PM3_SUCCESS;
}
@ -214,7 +214,7 @@ int detectGallagher(uint8_t *dest, size_t *size) {
uint8_t preamble[] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0 };
if (!preambleSearch(dest, preamble, sizeof(preamble), size, &startIdx))
return -2; //preamble not found
if (*size != 96) return -3; //wrong demoded size
//return start position
return (int)startIdx;