STATIC void node_dump(Linear_s *t, Blknum_t blknum, int indent)
{
Buf_s *buf;
Node_s *node;
Blknum_t overflow;
if (!blknum) return;
buf = t_get(t, blknum);
node = buf->d;
Hrec_s rec;
unint i;
if (Dump_buf) {
pr_buf(buf, indent);
}
pr_head(node, indent);
for (i = 0; i < node->numrecs; i++) {
rec = get_rec(node, i);
pr_indent(indent);
printf("%ld. ", i);
rec_dump(rec);
}
overflow = node->overflow;
buf_put(&buf);
if (overflow) {
node_dump(t, overflow, indent+1);
}
}
void prof_pmk(char *essid)
{
TIME_STRUCT p1,p2;
char key[16][128];
unsigned char pmk_sol[16][40];
unsigned char pmk_fast[16][40];
int i,j;
for(i=0;i<16;i++)
{
strcpy(key[i],"atest");
key[i][0]+=i;
}
p1 = t_start();
for(i=0;i<16;i++)
calc_pmk(key[i],essid,pmk_sol[i]); //key값과 essid로부터 pmk 값을 계산함
t_end(&p1);
p2 = t_start();
calc_16pmk(key,essid,pmk_fast);
t_end(&p2);
//diff
for(i=0;i<16;i++)
{
if(memcmp(pmk_sol[i],pmk_fast[i],sizeof(pmk_sol[i])) != 0)
{
printf("* %d wrong case (key:%s)\n",i,key[i]);
dump_key("pmk_sol",pmk_sol[i],sizeof(pmk_sol[i]));
dump_key("pmk_fst",pmk_fast[i],sizeof(pmk_fast[i]));
}
}
printf("original : %0.2lf ms\n",t_get(p1)/1000);
printf("simd ver : %0.2lf ms\n",t_get(p2)/1000);
printf("performance : x%0.2lf\n",t_get(p1)/t_get(p2));
}
void crack_wpa(char *fn)
{
hccap_t hc;
int res, i, itr;
unsigned char pmk[128];
unsigned char pke[100];
unsigned char ptk[80];
unsigned char mic[20];
char key[128]; // passphase 키값
int keylen;
memset(key,0,sizeof(key));
strcpy(key,"dekdekdek");
keylen = strlen(key);
// load from file
if((res = hccap_load(fn,&hc)))
{
printf("hashcat file load failed! code : %d\n",res);
return ;
}
memcpy( pke,"Pairwise key expansion", 23);
if(memcmp(hc.mac2,hc.mac1,6) < 0) {
memcpy( pke + 23, hc.mac2, 6);
memcpy( pke + 29, hc.mac1,6 );
} else {
memcpy(pke + 23, hc.mac1, 6);
memcpy(pke + 29, hc.mac2, 6);
}
if( memcmp( hc.nonce1,hc.nonce2, 32) < 0 ) {
memcpy(pke + 35, hc.nonce1,32);
memcpy(pke + 67, hc.nonce2,32);
}
else {
memcpy(pke + 35, hc.nonce2,32);
memcpy(pke + 67, hc.nonce1,32);
}
#pragma omp parallel
#pragma omp master
printf("Initializing ... %d/%d threads\n",omp_get_num_threads(),omp_get_max_threads());
prof_pmk(hc.essid);
return;
//#pragma omp parallel for private(i) shared(key,hc,pmk,pke,mic)
{
char key[16][128];
unsigned char pmk_sol[16][40];
unsigned char pmk_fast[16][40];
TIME_STRUCT p1;
int i,j;
for(i=0;i<16;i++)
{
strcpy(key[i],"atest");
key[i][0]+=i;
}
p1 = t_start();
#pragma omp parallel for
for(itr=0;itr<16000;itr+=16)
{
calc_16pmk(key,hc.essid,pmk_fast); //key값과 essid로부터 pmk 값을 계산함
//t_end(&p1);
// p2 = t_start();
for(i=0;i<4;i++)
{
pke[99] = i;
HMAC(EVP_sha1(), pmk, 32, pke, 100, ptk + i * 20, NULL);
}
if(hc.keyver == 1)
HMAC(EVP_md5(), ptk, 16,hc.eapol,hc.eapol_size,mic,NULL);
else
HMAC(EVP_sha1(), ptk, 16, hc.eapol,hc.eapol_size,mic,NULL);
// show_wpa_stats(key,keylen,pmk,ptk,mic);
if(memcmp(mic,hc.keymic,16) == 0)
{
// printf("success\n");
// return ;
}
// t_end(&p2);
}
t_end(&p1);
printf("time : %0.2lf ms\n",t_get(p1)/1000);
}
// printf("failed\n");
return;
}
