X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/0d5ee8e2453c5db01e4a9c6d5187aea3c16f0093..7f975d7e1794cc35607f41dd0e718bf2f4e99314:/client/cmdhfmfhard.c diff --git a/client/cmdhfmfhard.c b/client/cmdhfmfhard.c index 4427978a..02a1dda4 100644 --- a/client/cmdhfmfhard.c +++ b/client/cmdhfmfhard.c @@ -20,6 +20,7 @@ #include #include #include +#include #include "proxmark3.h" #include "cmdmain.h" #include "ui.h" @@ -286,20 +287,18 @@ static double p_hypergeometric(uint16_t N, uint16_t K, uint16_t n, uint16_t k) static float sum_probability(uint16_t K, uint16_t n, uint16_t k) { const uint16_t N = 256; - - - if (k > K || p_K[K] == 0.0) return 0.0; + if (k > K || p_K[K] == 0.0) return 0.0; - double p_T_is_k_when_S_is_K = p_hypergeometric(N, K, n, k); - double p_S_is_K = p_K[K]; - double p_T_is_k = 0; - for (uint16_t i = 0; i <= 256; i++) { - if (p_K[i] != 0.0) { - p_T_is_k += p_K[i] * p_hypergeometric(N, i, n, k); - } + double p_T_is_k_when_S_is_K = p_hypergeometric(N, K, n, k); + double p_S_is_K = p_K[K]; + double p_T_is_k = 0; + for (uint16_t i = 0; i <= 256; i++) { + if (p_K[i] != 0.0) { + p_T_is_k += p_K[i] * p_hypergeometric(N, i, n, k); } - return(p_T_is_k_when_S_is_K * p_S_is_K / p_T_is_k); + } + return(p_T_is_k_when_S_is_K * p_S_is_K / p_T_is_k); } @@ -514,7 +513,7 @@ static void sort_best_first_bytes(void) // determine how many are above the CONFIDENCE_THRESHOLD uint16_t num_good_nonces = 0; for (uint16_t i = 0; i < 256; i++) { - if (nonces[best_first_bytes[i]].Sum8_prob > CONFIDENCE_THRESHOLD) { + if (nonces[best_first_bytes[i]].Sum8_prob >= CONFIDENCE_THRESHOLD) { ++num_good_nonces; } } @@ -603,7 +602,7 @@ static uint16_t estimate_second_byte_sum(void) uint16_t num_good_nonces = 0; for (uint16_t i = 0; i < 256; i++) { - if (nonces[best_first_bytes[i]].Sum8_prob > CONFIDENCE_THRESHOLD) { + if (nonces[best_first_bytes[i]].Sum8_prob >= CONFIDENCE_THRESHOLD) { ++num_good_nonces; } } @@ -1294,7 +1293,7 @@ static void generate_candidates(uint16_t sum_a0, uint16_t sum_a8) } } } - printf("Number of possible keys with Sum(a0) = %d: %lld (2^%1.1f)\n", sum_a0, maximum_states, log(maximum_states)/log(2.0)); + printf("Number of possible keys with Sum(a0) = %d: %"PRIu64" (2^%1.1f)\n", sum_a0, maximum_states, log(maximum_states)/log(2.0)); init_statelist_cache(); @@ -1343,7 +1342,7 @@ static void generate_candidates(uint16_t sum_a0, uint16_t sum_a8) for (statelist_t *sl = candidates; sl != NULL; sl = sl->next) { maximum_states += (uint64_t)sl->len[ODD_STATE] * sl->len[EVEN_STATE]; } - printf("Number of remaining possible keys: %lld (2^%1.1f)\n", maximum_states, log(maximum_states)/log(2.0)); + printf("Number of remaining possible keys: %"PRIu64" (2^%1.1f)\n", maximum_states, log(maximum_states)/log(2.0)); if (write_stats) { if (maximum_states != 0) { fprintf(fstats, "%1.1f;", log(maximum_states)/log(2.0)); @@ -1464,10 +1463,10 @@ int mfnestedhard(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBloc PrintAndLog("Time for generating key candidates list: %1.0f seconds", (float)(clock() - start_time)/CLOCKS_PER_SEC); brute_force(); - free_nonces_memory(); - free_statelist_cache(); - free_candidates_memory(candidates); - candidates = NULL; + free_nonces_memory(); + free_statelist_cache(); + free_candidates_memory(candidates); + candidates = NULL; } return 0;