hf mf nested: use bitwise or instead. (#556)

[proxmark3-svn] / client / cmdhfmfhard.c

diff --git a/client/cmdhfmfhard.c b/client/cmdhfmfhard.c
index 0153541e187e8ea46119231ebf9b3e1ba9157763..69ad898db4ead30997ce98ede7837db0b886d2cb 100644 (file)
--- a/client/cmdhfmfhard.c
+++ b/client/cmdhfmfhard.c
@@ -32,6 +32,7 @@
 #include "crapto1/crapto1.h"
 #include "parity.h"
 #include "hardnested/hardnested_bruteforce.h"
+#include "hardnested/hardnested_bf_core.h"
 #include "hardnested/hardnested_bitarray_core.h"
 #include "zlib.h"
 
@@ -71,27 +72,32 @@ static float brute_force_per_second;
 
 
 static void get_SIMD_instruction_set(char* instruction_set) {
-#if defined (__i386__) || defined (__x86_64__) 
-       #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8 || __clang_major__ == 8 && __clang_minor__ >= 1))
-               #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2)
-       if (__builtin_cpu_supports("avx512f")) strcpy(instruction_set, "AVX512F");
-       else if (__builtin_cpu_supports("avx2")) strcpy(instruction_set, "AVX2");
-               #else 
-       if (__builtin_cpu_supports("avx2")) strcpy(instruction_set, "AVX2");
-               #endif
-       else if (__builtin_cpu_supports("avx")) strcpy(instruction_set, "AVX");
-       else if (__builtin_cpu_supports("sse2")) strcpy(instruction_set, "SSE2");
-       else if (__builtin_cpu_supports("mmx")) strcpy(instruction_set, "MMX");
-       else 
-       #endif
-#endif
-               strcpy(instruction_set, "no");
+       switch(GetSIMDInstrAuto()) {
+               case SIMD_AVX512:
+                       strcpy(instruction_set, "AVX512F");
+                       break;
+               case SIMD_AVX2:
+                       strcpy(instruction_set, "AVX2");
+                       break;
+               case SIMD_AVX:
+                       strcpy(instruction_set, "AVX");
+                       break;
+               case SIMD_SSE2:
+                       strcpy(instruction_set, "SSE2");
+                       break;
+               case SIMD_MMX:
+                       strcpy(instruction_set, "MMX");
+                       break;
+               default:
+                       strcpy(instruction_set, "no");
+                       break;
+       }       
 }
 
 
 static void print_progress_header(void) {
        char progress_text[80];
-       char instr_set[12] = "";
+       char instr_set[12] = {0};
        get_SIMD_instruction_set(instr_set);
        sprintf(progress_text, "Start using %d threads and %s SIMD core", num_CPUs(), instr_set);
        PrintAndLog("\n\n");
@@ -144,12 +150,6 @@ static inline void set_bit24(uint32_t *bitarray, uint32_t index)
 }
 
 
-static inline void clear_bit24(uint32_t *bitarray, uint32_t index)
-{
-       bitarray[index>>5] &= ~(0x80000000>>(index&0x0000001f));
-}
-
-
 static inline uint32_t test_bit24(uint32_t *bitarray, uint32_t index)
 {
        return  bitarray[index>>5] & (0x80000000>>(index&0x0000001f));
@@ -190,40 +190,6 @@ static inline uint32_t next_state(uint32_t *bitarray, uint32_t state)
 }
 
 
-static inline uint32_t next_not_state(uint32_t *bitarray, uint32_t state)
-{
-       if (++state == 1<<24) return 1<<24;
-       uint32_t index = state >> 5;
-       uint_fast8_t bit = state & 0x1f;
-       uint32_t line = bitarray[index] << bit;
-       while (bit <= 0x1f) {
-               if ((line & 0x80000000) == 0) return state;
-               state++;
-               bit++;
-               line <<= 1;
-       }
-       index++;
-       while (bitarray[index] == 0xffffffff && state < 1<<24) {
-               index++;
-               state += 0x20;
-       }
-       if (state >= 1<<24) return 1<<24;
-#if defined __GNUC__
-       return state + __builtin_clz(~bitarray[index]);
-#else
-       bit = 0x00;
-       line = bitarray[index];
-       while (bit <= 0x1f) {
-               if ((line & 0x80000000) == 0) return state;
-               state++;
-               bit++;
-               line <<= 1;
-       }
-       return 1<<24;
-#endif
-}
-
-
 
 
 #define BITFLIP_2ND_BYTE                               0x0200
@@ -2528,6 +2494,10 @@ static void set_test_state(uint8_t byte)
 int mfnestedhard(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo, uint8_t trgKeyType, uint8_t *trgkey, bool nonce_file_read, bool nonce_file_write, bool slow, int tests) 
 {
        char progress_text[80];
+       
+       char instr_set[12] = {0};
+       get_SIMD_instruction_set(instr_set);
+       PrintAndLog("Using %s SIMD core.", instr_set);
 
        srand((unsigned) time(NULL));
        brute_force_per_second = brute_force_benchmark();