std::string search_key_in_series(uint32_t seed, TypeValidator *validator, unsigned char *enc_buf)
{
if (validator == NULL) {
printf("Validator not found!\n");
return "";
}
//single series without incrementing seed
char key[0x100];
printf("Searching key started...\n");
#ifdef DEBUG
printf("Start seed: %d = %#x\n----------\n", seed, seed);
print_time_str(seed);
#endif
srand (seed);
for (size_t key_num = 0; key_num < 10000000; key_num++) {
make_random_key(key, sizeof(key));
if (validator->testKey(key)) {
printf("> KEY FOUND: %s\n", key);
printf("[SUCCESS]\n");
#ifdef DEBUG
printf ("KEY: %s\nSEED %x = %d\nkey number in series: %d\n", key, seed, seed, key_num);
#endif
//log_key(seed, key, key_num, params.filename);
return key;
}
}
return "";
}
void
trace (const char *format, ...)
{
va_list
argptr; /* Argument list pointer */
FILE
*out = stdout; /* Output by default to stdout */
if (trace_state)
{
va_start (argptr, format); /* Start variable args processing */
if (trace_file)
out = trace_file;
/* Output message: date: message text\n */
print_time_str (out);
fputs (": ", out);
vfprintf (out, format, argptr);
fputs ("\n", out);
fflush (out);
va_end (argptr); /* End variable args processing */
}
}
std::string search_key(Params ¶ms,
TypeValidator *validator,
size_t series_min,
size_t series_max
)
{
if (validator == NULL) {
printf("Validator not found!\n");
return "";
}
size_t days = 0;
int day_start = params.seed;
int deadline = 2; //2 days max
//---
int seed = params.seed;
char key[0x100];
printf("Searching key started...\n");
#ifdef DEBUG
printf("Start seed: %d = %#x\n----------\n", seed, seed);
print_time_str(seed);
#endif
if (series_min != series_max) {
#ifdef DEBUG
printf("Smart search mode: ON!\nWarning: it works only if the file have a valid modification timestamp!\n");
printf("Series min = %d , max = %d\n----------\n", series_min, series_max);
#endif
} else {
#ifdef DEBUG
printf("Smart search mode: OFF!\n");
printf("Series min = %d , max = %d\n----------\n", series_min, series_max);
#endif
}
size_t series = series_min;
while (deadline > 0) {
srand (seed);
for (size_t key_num = 0; key_num < series; key_num++) {
make_random_key(key, sizeof(key));
if (validator->testKey(key)) {
if (validator->getAccuracy() >= PIVOT_MIN) {
#ifdef DEBUG
printf("Adjusting seed to to found one!\n");
#endif
params.seed = seed;
params.key_num = key_num;
}
printf(">> KEY FOUND: %s\n", key);
printf("[SUCCESS]\n");
#ifdef DEBUG
printf ("KEY: %s\nSEED %x = %d\nkey number in series: %d\n", key, seed, seed, key_num);
#endif
log_key(seed, key, key_num, params.filename);
return key;
}
}
if (params.incrementalMode) {
seed++;
} else {
seed--;
if (series < series_max) {
//max number of encrypted files per milisecons
series += series_min;
}
}
if (abs(day_start - seed) > DAY_LEN) {
day_start = seed;
days++;
deadline--;
printf("%d day passed!\n", days);
}
}
return "";
}
