RfidResearchGroup/proxmark3
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chg: copied from pm3 repo

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iceman1001 2020-05-13 20:16:29 +02:00
parent cb56ca37ff
commit af47a3fd34
1 changed files with 19 additions and 6 deletions
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25
tools/hitag2crack/crack5/ht2crack5.c
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@ -93,6 +93,24 @@ const uint64_t unbitslice(const bitslice_t *restrict b, const uint8_t s, const u
return result; return result;
} }
// determine number of logical CPU cores (use for multithreaded functions)
static int num_CPUs(void) {
#if defined(_WIN32)
#include <sysinfoapi.h>
SYSTEM_INFO sysinfo;
GetSystemInfo(&sysinfo);
return sysinfo.dwNumberOfProcessors;
#else
#include <unistd.h>
int count = sysconf(_SC_NPROCESSORS_ONLN);
if (count < 2)
count = 2;
return count;
#endif
}
uint32_t uid, nR1, aR1, nR2, aR2; uint32_t uid, nR1, aR1, nR2, aR2;
uint64_t candidates[(1 << 20)]; uint64_t candidates[(1 << 20)];
@ -116,12 +134,7 @@ int main(int argc, char *argv[]) {
uint32_t target = 0; uint32_t target = 0;
#ifndef __WIN32 thread_count = num_CPUs();
thread_count = sysconf(_SC_NPROCESSORS_CONF);
if (thread_count < 2)
thread_count = 2;
#endif /* _WIN32 */
if (!strncmp(argv[1], "0x", 2) || !strncmp(argv[1], "0X", 2)) { if (!strncmp(argv[1], "0x", 2) || !strncmp(argv[1], "0X", 2)) {
uid = rev32(hexreversetoulong(argv[1] + 2)); uid = rev32(hexreversetoulong(argv[1] + 2));