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Code Issues Releases Wiki Activity

Another slow-hash improvement

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This commit is contained in:
Jens Steube 2016-06-14 10:18:42 +02:00
parent d275772b9f
commit 4f0709b3c9
3 changed files with 33 additions and 31 deletions
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2
include/common.h
View File

@ -110,6 +110,8 @@ typedef uint32_t uint; // we need to get rid of this sooner or later, for consis
#define HCBUFSIZ 0x50000 // general large space buffer size in case the size is unknown at compile-time
#define EXPECTED_ITERATIONS 10000
/**
* functions
*/

6
include/types.h
View File

@ -991,9 +991,9 @@ struct __hc_device_param
// workaround cpu spinning
double exec_us_prev1;
double exec_us_prev2;
double exec_us_prev3;
double exec_us_prev1[EXPECTED_ITERATIONS];
double exec_us_prev2[EXPECTED_ITERATIONS];
double exec_us_prev3[EXPECTED_ITERATIONS];
// this is "current" speed

56
src/hashcat.c
View File

@ -2405,7 +2405,7 @@ static void save_hash ()
unlink (old_hashfile);
}
static void run_kernel (const uint kern_run, hc_device_param_t *device_param, const uint num, const uint event_update)
static void run_kernel (const uint kern_run, hc_device_param_t *device_param, const uint num, const uint event_update, const uint iteration)
{
uint num_elements = num;
@ -2472,9 +2472,9 @@ static void run_kernel (const uint kern_run, hc_device_param_t *device_param, co
{
switch (kern_run)
{
case KERN_RUN_1: usleep (device_param->exec_us_prev1); break;
case KERN_RUN_2: usleep (device_param->exec_us_prev2); break;
case KERN_RUN_3: usleep (device_param->exec_us_prev3); break;
case KERN_RUN_1: usleep (device_param->exec_us_prev1[iteration]); break;
case KERN_RUN_2: usleep (device_param->exec_us_prev2[iteration]); break;
case KERN_RUN_3: usleep (device_param->exec_us_prev3[iteration]); break;
}
}
@ -2492,9 +2492,9 @@ static void run_kernel (const uint kern_run, hc_device_param_t *device_param, co
{
switch (kern_run)
{
case KERN_RUN_1: device_param->exec_us_prev1 = exec_us; break;
case KERN_RUN_2: device_param->exec_us_prev2 = exec_us; break;
case KERN_RUN_3: device_param->exec_us_prev3 = exec_us; break;
case KERN_RUN_1: device_param->exec_us_prev1[iteration] = exec_us; break;
case KERN_RUN_2: device_param->exec_us_prev2[iteration] = exec_us; break;
case KERN_RUN_3: device_param->exec_us_prev3[iteration] = exec_us; break;
}
}
@ -2715,7 +2715,7 @@ static void run_kernel_bzero (hc_device_param_t *device_param, cl_mem buf, const
*/
}
static void choose_kernel (hc_device_param_t *device_param, const uint attack_exec, const uint attack_mode, const uint opts_type, const salt_t *salt_buf, const uint highest_pw_len, const uint pws_cnt)
static void choose_kernel (hc_device_param_t *device_param, const uint attack_exec, const uint attack_mode, const uint opts_type, const salt_t *salt_buf, const uint highest_pw_len, const uint pws_cnt, const uint fast_iteration)
{
if (attack_exec == ATTACK_EXEC_INSIDE_KERNEL)
{
@ -2735,33 +2735,33 @@ static void choose_kernel (hc_device_param_t *device_param, const uint attack_ex
if (highest_pw_len < 16)
{
run_kernel (KERN_RUN_1, device_param, pws_cnt, true);
run_kernel (KERN_RUN_1, device_param, pws_cnt, true, fast_iteration);
}
else if (highest_pw_len < 32)
{
run_kernel (KERN_RUN_2, device_param, pws_cnt, true);
run_kernel (KERN_RUN_2, device_param, pws_cnt, true, fast_iteration);
}
else
{
run_kernel (KERN_RUN_3, device_param, pws_cnt, true);
run_kernel (KERN_RUN_3, device_param, pws_cnt, true, fast_iteration);
}
}
else
{
run_kernel_amp (device_param, pws_cnt);
run_kernel (KERN_RUN_1, device_param, pws_cnt, false);
run_kernel (KERN_RUN_1, device_param, pws_cnt, false, 0);
if (opts_type & OPTS_TYPE_HOOK12)
{
run_kernel (KERN_RUN_12, device_param, pws_cnt, false);
run_kernel (KERN_RUN_12, device_param, pws_cnt, false, 0);
}
uint iter = salt_buf->salt_iter;
uint loop_step = device_param->kernel_loops;
for (uint loop_pos = 0; loop_pos < iter; loop_pos += loop_step)
for (uint loop_pos = 0, slow_iteration = 0; loop_pos < iter; loop_pos += loop_step, slow_iteration++)
{
uint loop_left = iter - loop_pos;
@ -2770,7 +2770,7 @@ static void choose_kernel (hc_device_param_t *device_param, const uint attack_ex
device_param->kernel_params_buf32[25] = loop_pos;
device_param->kernel_params_buf32[26] = loop_left;
run_kernel (KERN_RUN_2, device_param, pws_cnt, true);
run_kernel (KERN_RUN_2, device_param, pws_cnt, true, slow_iteration);
if (data.devices_status == STATUS_CRACKED) break;
if (data.devices_status == STATUS_ABORTED) break;
@ -2802,7 +2802,7 @@ static void choose_kernel (hc_device_param_t *device_param, const uint attack_ex
if (opts_type & OPTS_TYPE_HOOK23)
{
run_kernel (KERN_RUN_23, device_param, pws_cnt, false);
run_kernel (KERN_RUN_23, device_param, pws_cnt, false, 0);
hc_clEnqueueReadBuffer (data.ocl, device_param->command_queue, device_param->d_hooks, CL_TRUE, 0, device_param->size_hooks, device_param->hooks_buf, 0, NULL, NULL);
@ -2811,7 +2811,7 @@ static void choose_kernel (hc_device_param_t *device_param, const uint attack_ex
hc_clEnqueueWriteBuffer (data.ocl, device_param->command_queue, device_param->d_hooks, CL_TRUE, 0, device_param->size_hooks, device_param->hooks_buf, 0, NULL, NULL);
}
run_kernel (KERN_RUN_3, device_param, pws_cnt, false);
run_kernel (KERN_RUN_3, device_param, pws_cnt, false, 0);
}
}
@ -2913,11 +2913,11 @@ static double try_run (hc_device_param_t *device_param, const u32 kernel_accel,
if (data.attack_exec == ATTACK_EXEC_INSIDE_KERNEL)
{
run_kernel (KERN_RUN_1, device_param, kernel_power_try, true);
run_kernel (KERN_RUN_1, device_param, kernel_power_try, true, 0);
}
else
{
run_kernel (KERN_RUN_2, device_param, kernel_power_try, true);
run_kernel (KERN_RUN_2, device_param, kernel_power_try, true, 0);
}
const double exec_ms_prev = get_avg_exec_time (device_param, 1);
@ -3133,9 +3133,9 @@ static void autotune (hc_device_param_t *device_param)
memset (device_param->exec_ms, 0, EXEC_CACHE * sizeof (double));
device_param->exec_us_prev1 = 0;
device_param->exec_us_prev2 = 0;
device_param->exec_us_prev3 = 0;
memset (device_param->exec_us_prev1, 0, EXPECTED_ITERATIONS * sizeof (double));
memset (device_param->exec_us_prev2, 0, EXPECTED_ITERATIONS * sizeof (double));
memset (device_param->exec_us_prev3, 0, EXPECTED_ITERATIONS * sizeof (double));
// store
@ -3243,7 +3243,7 @@ static void run_cracker (hc_device_param_t *device_param, const uint pws_cnt)
// innerloops
for (uint innerloop_pos = 0; innerloop_pos < innerloop_cnt; innerloop_pos += innerloop_step)
for (uint innerloop_pos = 0, fast_iteration = 0; innerloop_pos < innerloop_cnt; innerloop_pos += innerloop_step, fast_iteration++)
{
while (data.devices_status == STATUS_PAUSED) hc_sleep (1);
@ -3414,7 +3414,7 @@ static void run_cracker (hc_device_param_t *device_param, const uint pws_cnt)
hc_timer_set (&device_param->timer_speed);
}
choose_kernel (device_param, data.attack_exec, data.attack_mode, data.opts_type, salt_buf, highest_pw_len, pws_cnt);
choose_kernel (device_param, data.attack_exec, data.attack_mode, data.opts_type, salt_buf, highest_pw_len, pws_cnt, fast_iteration);
if (data.devices_status == STATUS_STOP_AT_CHECKPOINT) check_checkpoint ();
@ -4987,11 +4987,11 @@ static void weak_hash_check (hc_device_param_t *device_param, const uint salt_po
if (data.attack_exec == ATTACK_EXEC_INSIDE_KERNEL)
{
run_kernel (KERN_RUN_1, device_param, 1, false);
run_kernel (KERN_RUN_1, device_param, 1, false, 0);
}
else
{
run_kernel (KERN_RUN_1, device_param, 1, false);
run_kernel (KERN_RUN_1, device_param, 1, false, 0);
uint loop_step = 16;
@ -5006,10 +5006,10 @@ static void weak_hash_check (hc_device_param_t *device_param, const uint salt_po
device_param->kernel_params_buf32[25] = loop_pos;
device_param->kernel_params_buf32[26] = loop_left;
run_kernel (KERN_RUN_2, device_param, 1, false);
run_kernel (KERN_RUN_2, device_param, 1, false, 0);
}
run_kernel (KERN_RUN_3, device_param, 1, false);
run_kernel (KERN_RUN_3, device_param, 1, false, 0);
}
/**