DeforaNetworks/hashcat
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Do not use values that can actually crack a hash in autotune

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This commit is contained in:
Jens Steube
2016-02-23 15:00:56 +01:00
parent a81162b087
commit 01c847ba94
2 changed files with 30 additions and 37 deletions
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src/oclHashcat.c
+13 -26
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@@ -2823,24 +2823,17 @@ static double try_run (hc_device_param_t *device_param, const u32 kernel_accel,
// init some fake words
if (data.attack_kern == ATTACK_KERN_BF)
for (u32 i = 0; i < kernel_power; i++)
{
run_kernel_mp (KERN_RUN_MP_L, device_param, kernel_power);
run_kernel_mp (KERN_RUN_MP_R, device_param, kernel_loops);
device_param->pws_buf[i].i[1] = 0x01234567;
device_param->pws_buf[i].pw_len = i & 7;
}
else
hc_clEnqueueWriteBuffer (data.ocl, device_param->command_queue, device_param->d_pws_buf, CL_TRUE, 0, kernel_power * sizeof (pw_t), device_param->pws_buf, 0, NULL, NULL);
if (data.attack_exec == ATTACK_EXEC_OUTSIDE_KERNEL)
{
for (u32 i = 0; i < kernel_power; i++)
{
device_param->pws_buf[i].pw_len = i & 7;
}
hc_clEnqueueWriteBuffer (data.ocl, device_param->command_queue, device_param->d_pws_buf, CL_TRUE, 0, kernel_power * sizeof (pw_t), device_param->pws_buf, 0, NULL, NULL);
if (data.attack_exec == ATTACK_EXEC_OUTSIDE_KERNEL)
{
run_kernel_amp (device_param, kernel_power);
}
run_kernel_amp (device_param, kernel_power);
}
// caching run
@@ -2991,12 +2984,10 @@ static void autotune (hc_device_param_t *device_param)
// final balance
const double exec_ms = try_run (device_param, kernel_accel, kernel_loops, 1);
u32 kernel_accel_best = kernel_accel;
u32 kernel_loops_best = kernel_loops;
u32 exec_best = exec_ms;
u32 exec_best = -1;
// reset
@@ -3023,14 +3014,10 @@ static void autotune (hc_device_param_t *device_param)
exec_best = exec_ms;
}
}
kernel_accel = kernel_accel_best;
kernel_loops = kernel_loops_best;
}
// reset
if (kernel_loops_min < kernel_loops_max)
{
u32 kernel_accel_try = kernel_accel;
@@ -3054,9 +3041,6 @@ static void autotune (hc_device_param_t *device_param)
exec_best = exec_ms;
}
}
kernel_accel = kernel_accel_best;
kernel_loops = kernel_loops_best;
}
// reset timer
@@ -3067,8 +3051,11 @@ static void autotune (hc_device_param_t *device_param)
// store
device_param->kernel_loops = kernel_loops;
kernel_accel = kernel_accel_best;
kernel_loops = kernel_loops_best;
device_param->kernel_accel = kernel_accel;
device_param->kernel_loops = kernel_loops;
const u32 kernel_power = device_param->device_processors * device_param->kernel_threads * device_param->kernel_accel;