From 810a70d8a8258bc4fc91cd1ae7b9abad4f14cfbb Mon Sep 17 00:00:00 2001 From: iceman1001 Date: Tue, 8 Oct 2019 11:50:43 +0200 Subject: [PATCH] tweak? --- client/cmdhfmfhard.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/client/cmdhfmfhard.c b/client/cmdhfmfhard.c index c38c4022e..75e647489 100644 --- a/client/cmdhfmfhard.c +++ b/client/cmdhfmfhard.c @@ -237,7 +237,6 @@ static void init_bitflip_bitarrays(void) { uint8_t line = 0; #endif - z_stream compressed_stream; char state_files_path[strlen(get_my_executable_directory()) + strlen(STATE_FILES_DIRECTORY) + strlen(STATE_FILE_TEMPLATE) + 1]; @@ -248,9 +247,11 @@ static void init_bitflip_bitarrays(void) { for (uint16_t bitflip = 0x001; bitflip < 0x400; bitflip++) { bitflip_bitarrays[odd_even][bitflip] = NULL; count_bitflip_bitarrays[odd_even][bitflip] = 1 << 24; + sprintf(state_file_name, STATE_FILE_TEMPLATE, odd_even, bitflip); strcpy(state_files_path, STATE_FILES_DIRECTORY); strcat(state_files_path, state_file_name); + char *path; if (searchFile(&path, RESOURCES_SUBDIR, state_files_path, "", true) != PM3_SUCCESS) { continue; @@ -1637,15 +1638,18 @@ static inline bool bitflips_match(uint8_t byte, uint32_t state, odd_even_t odd_e return true; } - +/* static uint_fast8_t reverse(uint_fast8_t b) { b = (b & 0xF0) >> 4 | (b & 0x0F) << 4; b = (b & 0xCC) >> 2 | (b & 0x33) << 2; b = (b & 0xAA) >> 1 | (b & 0x55) << 1; return b; +} +*/ +static uint_fast8_t reverse(uint_fast8_t b) { + return (b * 0x0202020202ULL & 0x010884422010ULL) % 1023; } - static bool all_bitflips_match(uint8_t byte, uint32_t state, odd_even_t odd_even) { uint32_t masks[2][8] = { {0x00fffff0, 0x00fffff8, 0x00fffff8, 0x00fffffc, 0x00fffffc, 0x00fffffe, 0x00fffffe, 0x00ffffff},