#include <malloc.h>
#include <assert.h>
-// uint32_t test_state_odd = 0;
-// uint32_t test_state_even = 0;
-
#define CONFIDENCE_THRESHOLD 0.95 // Collect nonces until we are certain enough that the following brute force is successfull
#define GOOD_BYTES_REQUIRED 28
0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000,
0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000,
0.0290 };
-
typedef struct noncelistentry {
uint32_t nonce_enc;
float score1, score2;
} noncelist_t;
-
static size_t nonces_to_bruteforce = 0;
static noncelistentry_t *brute_force_nonces[256];
static uint32_t cuid = 0;
static partial_indexed_statelist_t partial_statelist[17];
static partial_indexed_statelist_t statelist_bitflip;
-
static statelist_t *candidates = NULL;
-
static int add_nonce(uint32_t nonce_enc, uint8_t par_enc)
{
uint8_t first_byte = nonce_enc >> 24;
// crypto1_destroy(pcs);
-
// printf("\nTests: number of states with BitFlipProperty: %d, (= %1.3f%% of total states)\n", statelist_bitflip.len[0], 100.0 * statelist_bitflip.len[0] / (1<<20));
- printf("\nTests: Actual BitFlipProperties odd/even:\n");
- for (uint16_t i = 0; i < 256; i++) {
- printf("[%02x]:%c ", i, nonces[i].BitFlip[ODD_STATE]?'o':nonces[i].BitFlip[EVEN_STATE]?'e':' ');
- if (i % 8 == 7) {
- printf("\n");
- }
- }
+ // printf("\nTests: Actual BitFlipProperties odd/even:\n");
+ // for (uint16_t i = 0; i < 256; i++) {
+ // printf("[%02x]:%c ", i, nonces[i].BitFlip[ODD_STATE]?'o':nonces[i].BitFlip[EVEN_STATE]?'e':' ');
+ // if (i % 8 == 7) {
+ // printf("\n");
+ // }
+ // }
- printf("\nTests: Sorted First Bytes:\n");
- for (uint16_t i = 0; i < 256; i++) {
- uint8_t best_byte = best_first_bytes[i];
- printf("#%03d Byte: %02x, n = %3d, k = %3d, Sum(a8): %3d, Confidence: %5.1f%%, Bitflip: %c\n",
- //printf("#%03d Byte: %02x, n = %3d, k = %3d, Sum(a8): %3d, Confidence: %5.1f%%, Bitflip: %c, score1: %1.5f, score2: %1.0f\n",
- i, best_byte,
- nonces[best_byte].num,
- nonces[best_byte].Sum,
- nonces[best_byte].Sum8_guess,
- nonces[best_byte].Sum8_prob * 100,
- nonces[best_byte].BitFlip[ODD_STATE]?'o':nonces[best_byte].BitFlip[EVEN_STATE]?'e':' '
- //nonces[best_byte].score1,
- //nonces[best_byte].score2
- );
- }
+ // printf("\nTests: Sorted First Bytes:\n");
+ // for (uint16_t i = 0; i < 256; i++) {
+ // uint8_t best_byte = best_first_bytes[i];
+ // printf("#%03d Byte: %02x, n = %3d, k = %3d, Sum(a8): %3d, Confidence: %5.1f%%, Bitflip: %c\n",
+ // //printf("#%03d Byte: %02x, n = %3d, k = %3d, Sum(a8): %3d, Confidence: %5.1f%%, Bitflip: %c, score1: %1.5f, score2: %1.0f\n",
+ // i, best_byte,
+ // nonces[best_byte].num,
+ // nonces[best_byte].Sum,
+ // nonces[best_byte].Sum8_guess,
+ // nonces[best_byte].Sum8_prob * 100,
+ // nonces[best_byte].BitFlip[ODD_STATE]?'o':nonces[best_byte].BitFlip[EVEN_STATE]?'e':' '
+ // //nonces[best_byte].score1,
+ // //nonces[best_byte].score2
+ // );
+ // }
// printf("\nTests: parity performance\n");
// time_t time1p = clock();
*p = 0xffffffff;
}
}
- printf("Odd state candidates: %6d (2^%0.1f)\n", current_candidates->len[ODD_STATE], log(current_candidates->len[ODD_STATE])/log(2));
- printf("Even state candidates: %6d (2^%0.1f)\n", current_candidates->len[EVEN_STATE], log(current_candidates->len[EVEN_STATE])/log(2));
+ //printf("Odd state candidates: %6d (2^%0.1f)\n", current_candidates->len[ODD_STATE], log(current_candidates->len[ODD_STATE])/log(2));
+ //printf("Even state candidates: %6d (2^%0.1f)\n", current_candidates->len[EVEN_STATE], log(current_candidates->len[EVEN_STATE])/log(2));
}
}
}
}
}
+uint64_t foundkey = 0;
size_t keys_found = 0;
size_t bucket_count = 0;
statelist_t* buckets[128];
_aligned_free(bitsliced_even_states[block_idx]-ROLLBACK_SIZE);
#endif
#else
- memfree(bitsliced_even_states[block_idx]-ROLLBACK_SIZE);
+ free(bitsliced_even_states[block_idx]-ROLLBACK_SIZE);
#endif
}
if(bucket){
const uint64_t key = crack_states_bitsliced(bucket);
if(key != -1){
- printf("\nFound key: %012"PRIx64"\n", key);
__sync_fetch_and_add(&keys_found, 1);
+ __sync_fetch_and_add(&foundkey, key);
break;
} else if(keys_found){
break;
}
return NULL;
}
-#define _USE_32BIT_TIME_T
+
static void brute_force(void)
{
if (known_target_key != -1) {
PrintAndLog("Using %u-bit bitslices", MAX_BITSLICES);
PrintAndLog("Bitslicing best_first_byte^uid[3] (rollback byte): %02x...", best_first_bytes[0]^(cuid>>24));
// convert to 32 bit little-endian
- crypto1_bs_bitslice_value32(rev32((best_first_bytes[0]^(cuid>>24))), bitsliced_rollback_byte, 8);
-
+ crypto1_bs_bitslice_value32((best_first_bytes[0]<<24)^cuid, bitsliced_rollback_byte, 8);
+
PrintAndLog("Bitslicing nonces...");
for(size_t tests = 0; tests < NONCE_TESTS; tests++){
uint32_t test_nonce = brute_force_nonces[tests]->nonce_enc;
crypto1_bs_bitslice_value32(cuid^test_nonce, bitsliced_encrypted_nonces[tests], 32);
// convert to 32 bit little-endian
crypto1_bs_bitslice_value32(rev32( ~(test_parity ^ ~(parity(cuid>>24 & 0xff)<<3 | parity(cuid>>16 & 0xff)<<2 | parity(cuid>>8 & 0xff)<<1 | parity(cuid&0xff)))), bitsliced_encrypted_parity_bits[tests], 4);
- }
+ }
total_states_tested = 0;
// count number of states to go
#ifndef __WIN32
thread_count = sysconf(_SC_NPROCESSORS_CONF);
+ if ( thread_count < 1)
+ thread_count = 1;
#endif /* _WIN32 */
+
pthread_t threads[thread_count];
// enumerate states using all hardware threads, each thread handles one bucket
time(&end);
unsigned long elapsed_time = difftime(end, start);
- PrintAndLog("Tested %"PRIu32" states, found %u keys after %u seconds", total_states_tested, keys_found, elapsed_time);
- if(!keys_found){
- assert(total_states_tested == maximum_states);
- }
+ if(keys_found){
+ PrintAndLog("Success! Tested %"PRIu32" states, found %u keys after %u seconds", total_states_tested, keys_found, elapsed_time);
+ PrintAndLog("\nFound key: %012"PRIx64"\n", foundkey);
+ } else {
+ PrintAndLog("Fail! Tested %"PRIu32" states, in %u seconds", total_states_tested, elapsed_time);
+ }
// reset this counter for the next call
nonces_to_bruteforce = 0;
}
}
}
- Tests();
+ //Tests();
PrintAndLog("");
PrintAndLog("Sum(a0) = %d", first_byte_Sum);
projects / proxmark3-svn / blobdiff