PinLin/holycard-cracker
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Save some time if we hit the cutoff

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This commit is contained in:
Aram
2016-05-03 06:52:36 +02:00
parent cea37f3cf5
commit d1702c3682
1 changed files with 9 additions and 3 deletions
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12
libnfc_crypto1_crack.c
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@ -497,6 +497,7 @@ void* crack_states_thread(void* x){
} }
bool stop_collection = false; bool stop_collection = false;
#define CUTOFF ((uint64_t) 1<<37)
void * update_predictions_thread(void* p){ void * update_predictions_thread(void* p){
while(!stop_collection){ while(!stop_collection){
@ -505,7 +506,10 @@ void * update_predictions_thread(void* p){
} }
if(space){ if(space){
total_states = craptev1_sizeof_space(space); total_states = craptev1_sizeof_space(space);
craptev1_destroy_space(space); if(total_states > CUTOFF){
craptev1_destroy_space(space);
space = NULL;
}
} }
} }
return NULL; return NULL;
@ -526,7 +530,7 @@ void notify_status_online(int sig){
} }
if(total_states){ if(total_states){
char c; char c;
if(scanf("%c", &c) == 1 || total_states < 0x1000000000){ if(scanf("%c", &c) == 1 || total_states < CUTOFF){
printf(" - initializing brute-force phase...\n"); printf(" - initializing brute-force phase...\n");
alarm(0); alarm(0);
stop_collection = true; stop_collection = true;
@ -651,7 +655,9 @@ int main (int argc, const char * argv[]) {
fclose(fp); fclose(fp);
nfc_close(pnd); nfc_close(pnd);
space = craptev1_get_space(nonces, 95, uid); if(!space){
space = craptev1_get_space(nonces, 95, uid);
}
if(space){ if(space){
total_states = craptev1_sizeof_space(space); total_states = craptev1_sizeof_space(space);
} }