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new clone

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This commit is contained in:
MaximeBosca 2021-06-25 09:56:30 +02:00
commit 5f9f623627
1 changed files with 29 additions and 59 deletions
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88
client/src/cmdlfnexwatch.c
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@ -467,68 +467,38 @@ static int CmdNexWatchClone(const char *Cmd) {
char cardtype[16] = {"T55x7"};
uint32_t blocks[4];
if (use_psk2) {
uint32_t scrambled;
nexwatch_scamble(SCRAMBLE, &cn, &scrambled);
num_to_bytes(scrambled, 4, raw + 5);
PrintAndLogEx(SUCCESS, "Scrambled : %u", scrambled);
blocks[0] = 270464;
raw[0] = 0xFA;
uint8_t *byteId = convertUint32toByte(scrambled);
uint8_t newmode[4] = "0001";
uint8_t idAndMode[36];
memcpy(idAndMode, byteId, 32 * sizeof(uint8_t));
memcpy(&idAndMode[32], newmode, 4 * sizeof(uint8_t));
uint8_t *newparity = parity(idAndMode);
uint8_t par = bin2int(newparity, 4);
uint8_t checksum = nexwatch_checksum(magic, cn, par);
printf("\x1b[1;92m[+]\x1b[0m Checksum : %s --> %u\n", convertUint8toByte(checksum), checksum);
uint8_t Psk_card[128];
uint8_t Psk2_card[128];
memcpy(Psk_card, "00000000000000000000000000000000", 32 * sizeof(uint8_t));
memcpy(&Psk_card[32], "0101011000000000000000000000000000000000", 40 * sizeof(uint8_t));
memcpy(&Psk_card[72], byteId, 32 * sizeof(uint8_t));
memcpy(&Psk_card[104], newmode, 4 * sizeof(uint8_t));
memcpy(&Psk_card[108], newparity, 4 * sizeof(uint8_t));
memcpy(&Psk_card[112], convertUint8toByte(checksum), 8 * sizeof(uint8_t));
memcpy(&Psk_card[120], "00000000", 8 * sizeof(uint8_t));
TOpsk2(Psk_card, 128);
memcpy(&Psk2_card[31], &Psk_card[32], 96 * sizeof(uint8_t));
Psk2_card[127] = '0';
memcpy(Psk2_card, "00000000000001000010000010000000", 32 * sizeof(uint8_t));
blocks[0] = bin2int(&Psk2_card[0], 32);
blocks[1] = bin2int(&Psk2_card[32], 32);
blocks[2] = bin2int(&Psk2_card[64], 32);
blocks[3] = bin2int(&Psk2_card[96], 32);
} else {
//Nexwatch - compat mode, PSK, data rate 40, 3 data blocks
blocks[0] = T55x7_MODULATION_PSK1 | T55x7_BITRATE_RF_16 | 3 << T55x7_MAXBLOCK_SHIFT;
// Q5
if (q5) {
blocks[0] = T5555_FIXED | T5555_MODULATION_MANCHESTER | T5555_SET_BITRATE(64) | T5555_ST_TERMINATOR | 3 << T5555_MAXBLOCK_SHIFT;
snprintf(cardtype, sizeof(cardtype), "Q5/T5555");
}
//Nexwatch - compat mode, PSK, data rate 40, 3 data blocks
blocks[0] = T55x7_MODULATION_PSK1 | T55x7_BITRATE_RF_16 | 3 << T55x7_MAXBLOCK_SHIFT;
// EM4305
if (em) {
blocks[0] = EM4305_NEXWATCH_CONFIG_BLOCK;
snprintf(cardtype, sizeof(cardtype), "EM4305/4469");
}
if (use_raw == false) {
uint8_t parity = nexwatch_parity(raw + 5) & 0xF;
raw[9] |= parity;
raw[10] |= nexwatch_checksum(magic, cn, parity);
}
if (use_unk)
magic = 0x86;
for (uint8_t i = 1; i < ARRAYLEN(blocks); i++) {
blocks[i] = bytes_to_num(raw + ((i - 1) * 4), sizeof(uint32_t));
}
// Q5
if (q5) {
blocks[0] = T5555_FIXED | T5555_MODULATION_MANCHESTER | T5555_SET_BITRATE(64) | T5555_ST_TERMINATOR | 3 << T5555_MAXBLOCK_SHIFT;
snprintf(cardtype, sizeof(cardtype), "Q5/T5555");
}
// EM4305
if (em) {
blocks[0] = EM4305_NEXWATCH_CONFIG_BLOCK;
snprintf(cardtype, sizeof(cardtype), "EM4305/4469");
}
if (use_raw == false) {
uint8_t parity = nexwatch_parity(raw + 5) & 0xF;
raw[9] |= parity;
raw[10] |= nexwatch_checksum(magic, cn, parity);
}
if (use_psk2) {
blocks[0] = 270464;
psk1TOpsk2(raw, 12);
}
for (uint8_t i = 1; i < ARRAYLEN(blocks); i++) {
blocks[i] = bytes_to_num(raw + ((i - 1) * 4), sizeof(uint32_t));
}
PrintAndLogEx(INFO, "Preparing to clone NexWatch to " _YELLOW_("%s") " raw " _YELLOW_("%s"), cardtype, sprint_hex_inrow(raw, sizeof(raw)));
print_blocks(blocks, ARRAYLEN(blocks));