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lf keri demod - q5 has less decoded bytes

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iceman1001 2020-08-28 07:57:23 +02:00
commit bf77599fda
1 changed files with 15 additions and 9 deletions
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24
client/src/cmdlfkeri.c
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@ -28,21 +28,21 @@
static int CmdHelp(const char *Cmd);
static int usage_lf_keri_clone(void) {
PrintAndLogEx(NORMAL, "clone a KERI tag to a T55x7 tag.");
PrintAndLogEx(NORMAL, "clone a KERI tag to a T55x7 / T5555 (Q5) tag\n");
PrintAndLogEx(NORMAL, "Usage: lf keri clone [h] <id> <Q5>");
PrintAndLogEx(NORMAL, "Usage extended: lf keri clone [h] t <m|i> [f <fc>] c <cardid> [Q5]");
PrintAndLogEx(NORMAL, "Usage extended: lf keri clone [h] t <m|i> [f <fc>] [c <cardnumber>] [Q5]");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h : This help");
PrintAndLogEx(NORMAL, " <id> : Keri Internal ID");
PrintAndLogEx(NORMAL, " <Q5> : specify write to Q5 (t5555 instead of t55x7)");
// New format
PrintAndLogEx(NORMAL, " <t> [m|i] : Type. m - MS, i - Internal ID");
PrintAndLogEx(NORMAL, " <t> [m|i] : Type m - MS, i - Internal ID");
PrintAndLogEx(NORMAL, " <f> <fc> : Facility Code");
PrintAndLogEx(NORMAL, " <c> <cn> : Card Number");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" lf keri clone 112233"));
PrintAndLogEx(NORMAL, _YELLOW_(" lf keri clone type ms fc 6 cn 12345"));
PrintAndLogEx(NORMAL, _YELLOW_(" lf keri clone t i fc 6 cn 12345"));
PrintAndLogEx(NORMAL, _YELLOW_(" lf keri clone t m f 6 c 12345"));
PrintAndLogEx(NORMAL, "");
return PM3_SUCCESS;
@ -221,6 +221,7 @@ static int CmdKeriRead(const char *Cmd) {
static int CmdKeriClone(const char *Cmd) {
bool q5 = false;
uint8_t cmdidx = 0;
char keritype = 'i'; // default to internalid
uint32_t fc = 0;
@ -268,6 +269,7 @@ static int CmdKeriClone(const char *Cmd) {
T5555_SET_BITRATE(128) |
T5555_PSK_RF_2 |
2 << T5555_MAXBLOCK_SHIFT;
q5 = true;
cmdidx++;
break;
default:
@ -290,7 +292,7 @@ static int CmdKeriClone(const char *Cmd) {
// Prepare and write to card
// 3 LSB is ONE
uint64_t data = ((uint64_t)internalid << 3) + 7;
PrintAndLogEx(INFO, "Preparing to clone KERI to T55x7 with Internal Id: %" PRIx32, internalid);
PrintAndLogEx(INFO, "Preparing to clone KERI to " _YELLOW_("%s") " with Internal Id " _YELLOW_("%" PRIx32), (q5) ? "T5555/Q5" : "T55x77",internalid);
blocks[1] = data >> 32;
blocks[2] = data & 0xFFFFFFFF;
@ -370,21 +372,25 @@ int detectKeri(uint8_t *dest, size_t *size, bool *invert) {
uint8_t preamble[] = {1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1};
// sanity check.
if (*size < sizeof(preamble) + 100) return -1;
if (*size < sizeof(preamble) ) return -1;
size_t startIdx = 0;
size_t found_size = *size;
if (!preambleSearch(dest, preamble, sizeof(preamble), size, &startIdx)) {
if (!preambleSearch(dest, preamble, sizeof(preamble), &found_size, &startIdx)) {
found_size = *size;
// if didn't find preamble try again inverting
uint8_t preamble_i[] = {0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0};
if (!preambleSearch(DemodBuffer, preamble_i, sizeof(preamble_i), size, &startIdx))
if (!preambleSearch(DemodBuffer, preamble_i, sizeof(preamble_i), &found_size, &startIdx))
return -2;
*invert ^= 1;
}
if (*size < 64) return -3; //wrong demoded size
if (found_size < 64) return -3; //wrong demoded size
*size = found_size;
return (int)startIdx;
}