/** Start cracking and does not stop until it has either been interrupted by
a signal or the password either is found or wordlist or charset is exhausted
*/
int runCrack(char *password, struct custom_salt *cs)
{
bool found = false;
uint8_t cpw[128];
memcpy(cpw, cs->encKeyWorkSpace, 128);
if (strlen(password) < 32)
strcpy((char*)cpw, password);
else {
strncpy((char*)cpw, password, 32);
}
if (!cs->workWithUser && !cs->knownPassword) {
memcpy(cpw, pad, 32);
if (cs->e.revision == 2)
found = runCrackRev2_o(cs, cpw);
else
found = runCrackRev3_o(cs, cpw);
} else if (cs->e.revision == 2) {
if (cs->workWithUser)
found = runCrackRev2(cs, cpw);
else
/** knownPassword */
found = runCrackRev2_of(cs, cpw);
} else {
if (cs->workWithUser)
found = runCrackRev3(cs, cpw);
else
/** knownPassword */
found = runCrackRev3_of(cs, cpw);
}
return found;
}
static void
pdf_40b_bench(void) {
clock_t startTime, endTime;
uint8_t o_string[32] = { 0xb7, 0x81, 0xc8, 0x3d, 0x93, 0x79, 0x21, 0xcc,
0x0f, 0x3d, 0x40, 0xed, 0x18, 0xe7, 0x7f, 0x7e,
0xc0, 0x15, 0xb1, 0x63, 0xf5, 0xc8, 0x34, 0xe0,
0x54, 0x37, 0x41, 0x29, 0xe7, 0xc5, 0x1d, 0xe3 };
uint8_t u_string[32] = { 0x61, 0x74, 0x7c, 0x5c, 0xb5, 0x38, 0x3d, 0xdd,
0x6f, 0xcb, 0xb2, 0xf2, 0xfe, 0xe3, 0x34, 0x8d,
0x81, 0xe2, 0x49, 0x99, 0xc4, 0x14, 0xf6, 0x6f,
0xd0, 0x0f, 0x97, 0xe8, 0xb8, 0x29, 0xe6, 0x27 };
uint8_t fileid[16] = { 0x21, 0x76, 0x36, 0x66, 0x67, 0xf0, 0x86, 0xd5,
0x09, 0x88, 0xc3, 0xa7, 0xe9, 0x3a, 0x92, 0xca };
EncData e = {
handler,
o_string,
u_string,
fileid,
true,
16, 1, 4, 40, -64, 2, 1
};
initPDFCrack(&e, NULL, true, NULL, Generative, NULL, charset, 0, 5, true);
startTime = clock();
runCrackRev2();
endTime = clock();
print_and_clean("PDF (40, user):\t",getNrProcessed(),&startTime, &endTime);
initPDFCrack(&e, NULL, false, NULL, Generative, NULL, charset, 0, 5, true);
startTime = clock();
runCrackRev2_o();
endTime = clock();
print_and_clean("PDF (40, owner):",getNrProcessed(), &startTime, &endTime);
initPDFCrack(&e, password, false, NULL, Generative, NULL, charset,0, 5,true);
startTime = clock();
runCrackRev2_of();
endTime = clock();
print_and_clean("PDF (40, owner, fast):",
getNrProcessed(), &startTime, &endTime);
}
