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iceman1001 2020-01-30 09:20:10 +01:00
commit 01560dda81
1 changed files with 37 additions and 24 deletions
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59
client/mifare/mifarehost.c
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@ -34,10 +34,10 @@ int mfDarkside(uint8_t blockno, uint8_t key_type, uint64_t *key) {
bool first_run = true; bool first_run = true;
// message // message
PrintAndLogEx(NORMAL, "--------------------------------------------------------------------------------\n"); PrintAndLogEx(INFO, "--------------------------------------------------------------------------------\n");
PrintAndLogEx(NORMAL, "executing Darkside attack. Expected execution time: 25sec on average"); PrintAndLogEx(INFO, "executing Darkside attack. Expected execution time: 25sec on average");
PrintAndLogEx(NORMAL, "press pm3-button on the Proxmark3 device to abort both Proxmark3 and client."); PrintAndLogEx(INFO, "press pm3-button on the Proxmark3 device to abort both Proxmark3 and client.");
PrintAndLogEx(NORMAL, "--------------------------------------------------------------------------------\n"); PrintAndLogEx(INFO, "--------------------------------------------------------------------------------\n");
while (true) { while (true) {
clearCommandBuffer(); clearCommandBuffer();
@ -288,9 +288,17 @@ int mfCheckKeys_file(uint8_t *destfn, uint64_t *key) {
uint8_t retry = 10; uint8_t retry = 10;
while (!WaitForResponseTimeout(CMD_HF_MIFARE_CHKKEYS, &resp, 2000)) { while (!WaitForResponseTimeout(CMD_HF_MIFARE_CHKKEYS, &resp, 2000)) {
//flush queue
while (kbd_enter_pressed()) {
SendCommandNG(CMD_BREAK_LOOP, NULL, 0);
return PM3_EOPABORTED;
}
retry--; retry--;
if (retry == 0) { if (retry == 0) {
PrintAndLogEx(WARNING, "Chk keys file, timeouted"); PrintAndLogEx(WARNING, "Chk keys file, timeouted");
SendCommandNG(CMD_BREAK_LOOP, NULL, 0);
return PM3_ETIMEOUT; return PM3_ETIMEOUT;
} }
} }
@ -536,11 +544,11 @@ int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo,
return -5; return -5;
} }
float bruteforce_per_second = (float)KEYS_IN_BLOCK / (float)(msclock() - start_time) * 1000.0; uint64_t t2 = msclock();
start_time = msclock(); float bruteforce_per_second = (float)KEYS_IN_BLOCK / (float)(t2 - start_time) * 1000.0;
if ( i + 1 % 10 == 0) if ( i + 1 % 10 == 0)
PrintAndLogEx(INFO, " %8d/%u keys | %5.1f keys/sec | worst case %6.1f seconds remaining", i, keycnt , bruteforce_per_second, (keycnt-i) / bruteforce_per_second); PrintAndLogEx(INFO, " %6d/%u keys | %5.1f keys/sec | worst case %6.1f seconds remaining", i, keycnt , bruteforce_per_second, (keycnt-i) / bruteforce_per_second);
} }
@ -643,8 +651,8 @@ int mfStaticNested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBl
uint64_t key64 = -1; uint64_t key64 = -1;
// The list may still contain several key candidates. Test each of them with mfCheckKeys // The list may still contain several key candidates. Test each of them with mfCheckKeys
uint32_t maxkeysinblock = IfPm3Flash() ? 1600 : KEYS_IN_BLOCK; uint32_t maxkeysinblock = IfPm3Flash() ? 1000 : KEYS_IN_BLOCK;
uint32_t max_keys_slice = keycnt > maxkeysinblock ? maxkeysinblock : keycnt; uint32_t max_keys_chunk = keycnt > maxkeysinblock ? maxkeysinblock : keycnt;
uint8_t *mem = calloc( (maxkeysinblock * 6) + 5, sizeof(uint8_t)); uint8_t *mem = calloc( (maxkeysinblock * 6) + 5, sizeof(uint8_t));
if (mem == NULL) { if (mem == NULL) {
@ -656,22 +664,27 @@ int mfStaticNested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBl
mem[0] = statelists[0].keyType; mem[0] = statelists[0].keyType;
mem[1] = statelists[0].blockNo; mem[1] = statelists[0].blockNo;
mem[2] = 1; mem[2] = 1;
mem[3] = ((maxkeysinblock >> 8) & 0xFF); mem[3] = ((max_keys_chunk >> 8) & 0xFF);
mem[4] = (maxkeysinblock & 0xFF); mem[4] = (max_keys_chunk & 0xFF);
uint8_t destfn[32]; uint8_t destfn[32];
strncpy((char*)destfn, "static_nested_000.bin", sizeof(destfn) - 1); strncpy((char*)destfn, "static_nested_000.bin", sizeof(destfn) - 1);
for (uint32_t i = 0; i < keycnt; i += max_keys_slice) { uint64_t start_time = msclock();
for (uint32_t i = 0; i < keycnt; i += max_keys_chunk) {
//flush queue
while (kbd_enter_pressed()) {
SendCommandNG(CMD_BREAK_LOOP, NULL, 0);
return PM3_EOPABORTED;
}
int res = 0; int res = 0;
uint64_t start_time = msclock();
key64 = 0; key64 = 0;
uint32_t size = keycnt - i > max_keys_slice ? max_keys_slice : keycnt - i; uint32_t chunk = keycnt - i > max_keys_chunk ? max_keys_chunk : keycnt - i;
// copy x keys to device. // copy x keys to device.
for (uint32_t j = 0; j < size; j++) { for (uint32_t j = 0; j < chunk; j++) {
crypto1_get_lfsr(statelists[0].head.slhead + i + j, &key64); crypto1_get_lfsr(statelists[0].head.slhead + i + j, &key64);
num_to_bytes(key64, 6, p_keyblock + j * 6); num_to_bytes(key64, 6, p_keyblock + j * 6);
} }
@ -679,7 +692,7 @@ int mfStaticNested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBl
// check a block of generated candidate keys. // check a block of generated candidate keys.
if (IfPm3Flash()) { if (IfPm3Flash()) {
// upload to flash. // upload to flash.
res = flashmem_spiffs_load(destfn, mem, 5 + (size * 6) ); res = flashmem_spiffs_load(destfn, mem, 5 + (chunk * 6) );
if (res != PM3_SUCCESS) { if (res != PM3_SUCCESS) {
PrintAndLogEx(WARNING, "SPIFFS upload failed"); PrintAndLogEx(WARNING, "SPIFFS upload failed");
return res; return res;
@ -687,7 +700,7 @@ int mfStaticNested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBl
res = mfCheckKeys_file(destfn, &key64); res = mfCheckKeys_file(destfn, &key64);
} else { } else {
res = mfCheckKeys(statelists[0].blockNo, statelists[0].keyType, false, size, mem, &key64); res = mfCheckKeys(statelists[0].blockNo, statelists[0].keyType, false, chunk, mem, &key64);
} }
if (res == PM3_SUCCESS) { if (res == PM3_SUCCESS) {
@ -703,14 +716,14 @@ int mfStaticNested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBl
sprint_hex_inrow(resultKey, 6) sprint_hex_inrow(resultKey, 6)
); );
return PM3_SUCCESS; return PM3_SUCCESS;
} else if (res == PM3_ETIMEOUT) { } else if (res == PM3_ETIMEOUT || res == PM3_EOPABORTED) {
return res; return res;
} }
float bruteforce_per_second = (float)maxkeysinblock / (float)(msclock() - start_time) * 1000.0; // if (i%10 == 0) {
start_time = msclock(); float bruteforce_per_second = (float)i + max_keys_chunk / (float)(msclock() - start_time) * 1000.0;
PrintAndLogEx(INFO, "Chunk %6u/%u keys | %5.1f keys/sec | worst case %6.1f seconds remaining", i, keycnt, bruteforce_per_second, (keycnt-i) / bruteforce_per_second);
PrintAndLogEx(INFO, "Chunk %8u/%u keys | %5.1f keys/sec | worst case %6.1f seconds remaining", i, keycnt, bruteforce_per_second, (keycnt-i) / bruteforce_per_second); // }
} }
p_keyblock = NULL; p_keyblock = NULL;