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Double BSGS speed for legacy version

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Alberto 2023-05-19 22:01:18 -06:00
parent cef65fee4e
commit ad236ddf66
2 changed files with 903 additions and 1161 deletions
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30
keyhunt.cpp
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@ -1343,6 +1343,7 @@ int main(int argc, char **argv) {
BSGS_AMP2[0].Reduce(); BSGS_AMP2[0].Reduce();
point_temp.Set(BSGS_MP2_double); point_temp.Set(BSGS_MP2_double);
point_temp = secp->Negation(point_temp); point_temp = secp->Negation(point_temp);
point_temp.Reduce();
for(i = 1; i < 32; i++) { for(i = 1; i < 32; i++) {
BSGS_AMP2[i] = secp->AddDirect(BSGS_AMP2[i-1],point_temp); BSGS_AMP2[i] = secp->AddDirect(BSGS_AMP2[i-1],point_temp);
@ -1355,12 +1356,11 @@ int main(int argc, char **argv) {
BSGS_AMP3[0].Reduce(); BSGS_AMP3[0].Reduce();
point_temp.Set(BSGS_MP3_double); point_temp.Set(BSGS_MP3_double);
point_temp = secp->Negation(point_temp); point_temp = secp->Negation(point_temp);
point_temp.Reduce();
for(i = 1; i < 32; i++) { for(i = 1; i < 32; i++) {
BSGS_AMP3[i] = secp->AddDirect(BSGS_AMP3[i-1],point_temp); BSGS_AMP3[i] = secp->AddDirect(BSGS_AMP3[i-1],point_temp);
BSGS_AMP3[i].Reduce(); BSGS_AMP3[i].Reduce();
} }
bytes = (uint64_t)bsgs_m3 * (uint64_t) sizeof(struct bsgs_xvalue); bytes = (uint64_t)bsgs_m3 * (uint64_t) sizeof(struct bsgs_xvalue);
@ -5095,7 +5095,6 @@ void *thread_process_bsgs_backward(void *vargp) {
Point pn; Point pn;
grp->Set(dx); grp->Set(dx);
tt = (struct tothread *)vargp; tt = (struct tothread *)vargp;
thread_number = tt->nt; thread_number = tt->nt;
free(tt); free(tt);
@ -5121,18 +5120,13 @@ void *thread_process_bsgs_backward(void *vargp) {
pthread_mutex_lock(&bsgs_thread); pthread_mutex_lock(&bsgs_thread);
#endif #endif
if(n_range_end.IsGreater(&n_range_start)) { if(n_range_end.IsGreater(&n_range_start)) {
/* n_range_end.Sub(&BSGS_N_double);
n_range_end.Sub(&BSGS_N); if(n_range_end.IsLower(&n_range_start)) {
n_range_end.Sub(&BSGS_N); base_key.Set(&n_range_start);
*/ }
n_range_end.Sub(&BSGS_N_double); else {
base_key.Set(&n_range_end);
if(n_range_end.IsLower(&n_range_start)) { }
base_key.Set(&n_range_start);
}
else {
base_key.Set(&n_range_end);
}
} }
else { else {
entrar = 0; entrar = 0;
@ -5142,7 +5136,6 @@ void *thread_process_bsgs_backward(void *vargp) {
#else #else
pthread_mutex_unlock(&bsgs_thread); pthread_mutex_unlock(&bsgs_thread);
#endif #endif
if(entrar == 0) if(entrar == 0)
break; break;
@ -5176,9 +5169,7 @@ void *thread_process_bsgs_backward(void *vargp) {
startP = secp->AddDirect(OriginalPointsBSGS[k],point_aux); startP = secp->AddDirect(OriginalPointsBSGS[k],point_aux);
uint32_t j = 0; uint32_t j = 0;
while( j < cycles && bsgs_found[k]== 0 ) { while( j < cycles && bsgs_found[k]== 0 ) {
int i; int i;
for(i = 0; i < hLength; i++) { for(i = 0; i < hLength; i++) {
dx[i].ModSub(&GSn[i].x,&startP.x); dx[i].ModSub(&GSn[i].x,&startP.x);
} }
@ -5322,7 +5313,6 @@ pn.y.ModAdd(&GSn[i].y);
pp.y.ModMulK1(&_s); pp.y.ModMulK1(&_s);
pp.y.ModSub(&_2GSn.y); pp.y.ModSub(&_2GSn.y);
startP = pp; startP = pp;
j++; j++;
}//while all the aMP points }//while all the aMP points
}// End if }// End if
@ -5463,9 +5453,7 @@ void *thread_process_bsgs_both(void *vargp) {
startP = secp->AddDirect(OriginalPointsBSGS[k],point_aux); startP = secp->AddDirect(OriginalPointsBSGS[k],point_aux);
uint32_t j = 0; uint32_t j = 0;
while( j < cycles && bsgs_found[k]== 0 ) { while( j < cycles && bsgs_found[k]== 0 ) {
int i; int i;
for(i = 0; i < hLength; i++) { for(i = 0; i < hLength; i++) {
dx[i].ModSub(&GSn[i].x,&startP.x); dx[i].ModSub(&GSn[i].x,&startP.x);
} }

2034
keyhunt_legacy.cpp
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