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fix viegand decoder in hf iclass rdbl

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This commit is contained in:
iceman1001 2022-07-09 14:14:48 +02:00
parent 08c797a638
commit dcea185ca2
1 changed files with 9 additions and 11 deletions
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20
client/src/cmdhficlass.c
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@ -2363,23 +2363,21 @@ static int CmdHFiClass_ReadBlock(const char *Cmd) {
if (memcmp(dec_data, empty, 8) != 0) {
//todo: remove preamble/sentinel
uint32_t top = 0, mid, bot;
mid = bytes_to_num(dec_data, 4);
bot = bytes_to_num(dec_data + 4, 4);
uint32_t top = 0, mid = 0, bot = 0;
char hexstr[16 + 1] = {0};
hex_to_buffer((uint8_t *)hexstr, dec_data, 8, sizeof(hexstr) - 1, 0, 0, true);
char binstr[64 + 1] = {0};
hextobinstring(binstr, hexstr);
size_t i = 0;
while (i < strlen(binstr) && binstr[i++] == '0');
hexstring_to_u96(&top, &mid, &bot, hexstr);
i &= 0x3C;
PrintAndLogEx(SUCCESS, " bin : %s", binstr + i);
char binstr[64 + 1];
hextobinstring(binstr, hexstr);
char *pbin = binstr;
while (strlen(pbin) && *(++pbin) == '0');
PrintAndLogEx(SUCCESS, " bin : %s", pbin);
PrintAndLogEx(INFO, "");
PrintAndLogEx(INFO, "------------------------------ " _CYAN_("wiegand") " -------------------------------");
wiegand_message_t packed = initialize_message_object(top, mid, bot, strlen(binstr + i));
wiegand_message_t packed = initialize_message_object(top, mid, bot, 0);
HIDTryUnpack(&packed);
} else {
PrintAndLogEx(INFO, "no credential found");