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iceman1001 2025-06-06 13:27:02 +02:00
commit f41d6fad53
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10
client/src/cmdhficlass.c
View file

@ -4634,11 +4634,15 @@ typedef struct {
// HF iClass legbrute - Brute-force worker thread // HF iClass legbrute - Brute-force worker thread
static void *brute_thread(void *args_void) { static void *brute_thread(void *args_void) {
thread_args_t *args = (thread_args_t *)args_void; thread_args_t *args = (thread_args_t *)args_void;
uint8_t div_key[8], mac[4], verification_mac[4]; uint8_t div_key[8];
uint8_t mac[4];
uint8_t verification_mac[4];
uint64_t index = args->index_start; uint64_t index = args->index_start;
while (!*(args->found)) { while (!*(args->found)) {
generate_key_block_inverted(args->startingKey, index, div_key); generate_key_block_inverted(args->startingKey, index, div_key);
doMAC(args->CCNR1, div_key, mac); doMAC(args->CCNR1, div_key, mac);
@ -4720,7 +4724,9 @@ static int CmdHFiClassLegBrute_MT(uint8_t epurse[8], uint8_t macs[8], uint8_t ma
static int CmdHFiClassLegBrute(const char *Cmd) { static int CmdHFiClassLegBrute(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "hf iclass legbrute", CLIParserInit(&ctx, "hf iclass legbrute",
"This command takes sniffed trace data and a partial raw key and bruteforces the remaining 40 bits of the raw key.", "This command takes sniffed trace data and a partial raw key and bruteforces the remaining 40 bits of the raw key.\n"
"Complete 40 bit keyspace is 1'099'511'627'776 and command is lockdown to max 16 threads currently.\n"
"A possible worst case scenario on 16 threads estimates XXX days YYY hours MMM minutes.",
"hf iclass legbrute --epurse feffffffffffffff --macs1 1306cad9b6c24466 --macs2 f0bf905e35f97923 --pk B4F12AADC5301225"); "hf iclass legbrute --epurse feffffffffffffff --macs1 1306cad9b6c24466 --macs2 f0bf905e35f97923 --pk B4F12AADC5301225");
void *argtable[] = { void *argtable[] = {

13
doc/commands.json
View file

@ -3493,7 +3493,7 @@
}, },
"hf iclass legbrute": { "hf iclass legbrute": {
"command": "hf iclass legbrute", "command": "hf iclass legbrute",
"description": "This command take sniffed trace data and partial raw key and bruteforces the remaining 40 bits of the raw key.", "description": "This command takes sniffed trace data and a partial raw key and bruteforces the remaining 40 bits of the raw key. Complete 40 bit keyspace is 1'099'511'627'776 and command is lockdown to max 16 threads currently. A possible worst case scenario on 16 threads estimates XXX days YYY hours MMM minutes.",
"notes": [ "notes": [
"hf iclass legbrute --epurse feffffffffffffff --macs1 1306cad9b6c24466 --macs2 f0bf905e35f97923 --pk B4F12AADC5301225" "hf iclass legbrute --epurse feffffffffffffff --macs1 1306cad9b6c24466 --macs2 f0bf905e35f97923 --pk B4F12AADC5301225"
], ],
@ -3504,9 +3504,10 @@
"--macs1 <hex> MACs captured from the reader", "--macs1 <hex> MACs captured from the reader",
"--macs2 <hex> MACs captured from the reader, different than the first set (with the same csn and epurse value)", "--macs2 <hex> MACs captured from the reader, different than the first set (with the same csn and epurse value)",
"--pk <hex> Partial Key from legrec or starting key of keyblock from legbrute", "--pk <hex> Partial Key from legrec or starting key of keyblock from legbrute",
"--index <dec> Where to start from to retrieve the key, default 0 - value in millions e.g. 1 is 1 million" "--index <dec> Where to start from to retrieve the key, default 0 - value in millions e.g. 1 is 1 million",
"--threads <dec> Number of threads to use, by default it uses the cpu's max threads (max 16)."
], ],
"usage": "hf iclass legbrute [-h] --epurse <hex> --macs1 <hex> --macs2 <hex> --pk <hex> [--index <dec>]" "usage": "hf iclass legbrute [-h] --epurse <hex> --macs1 <hex> --macs2 <hex> --pk <hex> [--index <dec>] [--threads <dec>]"
}, },
"hf iclass legrec": { "hf iclass legrec": {
"command": "hf iclass legrec", "command": "hf iclass legrec",
@ -3524,9 +3525,11 @@
"--debug Re-enables tracing for debugging. Limits cycles to 1.", "--debug Re-enables tracing for debugging. Limits cycles to 1.",
"--notest Perform real writes on the card!", "--notest Perform real writes on the card!",
"--allnight Loops the loop for 10 times, recommended loop value of 5000.", "--allnight Loops the loop for 10 times, recommended loop value of 5000.",
"--fast Increases the speed (4.6->7.4 key updates/second), higher risk to brick the card.",
"--sl Lower card comms delay times, further speeds increases, may cause more errors.",
"--est Estimates the key updates based on the card's CSN assuming standard key." "--est Estimates the key updates based on the card's CSN assuming standard key."
], ],
"usage": "hf iclass legrec [-h] --macs <hex> [--index <dec>] [--loop <dec>] [--debug] [--notest] [--allnight] [--est]" "usage": "hf iclass legrec [-h] --macs <hex> [--index <dec>] [--loop <dec>] [--debug] [--notest] [--allnight] [--fast] [--sl] [--est]"
}, },
"hf iclass loclass": { "hf iclass loclass": {
"command": "hf iclass loclass", "command": "hf iclass loclass",
@ -13372,6 +13375,6 @@
"metadata": { "metadata": {
"commands_extracted": 768, "commands_extracted": 768,
"extracted_by": "PM3Help2JSON v1.00", "extracted_by": "PM3Help2JSON v1.00",
"extracted_on": "2025-06-04T16:02:17" "extracted_on": "2025-06-06T11:25:04"
} }
} }