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Add some advice and notes about pure and optimized OpenCL kernels

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This commit is contained in:
jsteube 2017-09-16 12:17:31 +02:00
parent 0675f72c4d
commit 3aec5ecf1c
2 changed files with 30 additions and 13 deletions
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2
src/interface.c
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@ -24392,7 +24392,7 @@ int hashconfig_init (hashcat_ctx_t *hashcat_ctx)
if (hc_path_read (source_file) == false)
{
if (user_options->quiet == false) event_log_warning (hashcat_ctx, "%s: Optimized kernel not found, falling back to pure kernel", source_file);
if (user_options->quiet == false) event_log_warning (hashcat_ctx, "%s: Optimized OpenCL kernel not support for this hash-mode, falling back to pure kernel", source_file);
}
else
{

41
src/main.c
View File

@ -487,6 +487,14 @@ static void main_outerloop_mainscreen (MAYBE_UNUSED hashcat_ctx_t *hashcat_ctx,
event_log_info (hashcat_ctx, NULL);
if ((hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL) == 0)
{
event_log_advice (hashcat_ctx, "ATTENTION! Pure (unoptimized) OpenCL kernels selected.");
event_log_advice (hashcat_ctx, "This enables cracking passwords and salts > length 32 but for the price of drastical reduced performance.");
event_log_advice (hashcat_ctx, "If you want to switch to optimized OpenCL kernels, append -O to your commandline.");
event_log_advice (hashcat_ctx, NULL);
}
/**
* Watchdog and Temperature balance
*/
@ -668,6 +676,7 @@ static void main_monitor_throttle3 (MAYBE_UNUSED hashcat_ctx_t *hashcat_ctx, MAY
static void main_monitor_performance_hint (MAYBE_UNUSED hashcat_ctx_t *hashcat_ctx, MAYBE_UNUSED const void *buf, MAYBE_UNUSED const size_t len)
{
const hashconfig_t *hashconfig = hashcat_ctx->hashconfig;
const user_options_t *user_options = hashcat_ctx->user_options;
const user_options_extra_t *user_options_extra = hashcat_ctx->user_options_extra;
@ -678,23 +687,31 @@ static void main_monitor_performance_hint (MAYBE_UNUSED hashcat_ctx_t *hashcat_c
clear_prompt ();
}
event_log_advice (hashcat_ctx, "Cracking performance lower than expected?");
event_log_advice (hashcat_ctx, NULL);
if ((hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL) == 0)
{
event_log_advice (hashcat_ctx, "* Append -O to the commandline.");
event_log_advice (hashcat_ctx, " This lowers the maximum supported password- and salt-length (typically down to 32).");
event_log_advice (hashcat_ctx, NULL);
}
if (user_options->workload_profile < 3)
{
event_log_advice (hashcat_ctx, "Cracking performance lower than expected? Append -w 3 to the commandline.");
event_log_advice (hashcat_ctx, NULL);
}
else
{
event_log_advice (hashcat_ctx, "Cracking performance lower than expected?");
event_log_advice (hashcat_ctx, NULL);
event_log_advice (hashcat_ctx, "* Update your OpenCL runtime / driver the right way:");
event_log_advice (hashcat_ctx, " https://hashcat.net/faq/wrongdriver");
event_log_advice (hashcat_ctx, NULL);
event_log_advice (hashcat_ctx, "* Create more work items to make use of your parallelization power:");
event_log_advice (hashcat_ctx, " https://hashcat.net/faq/morework");
event_log_advice (hashcat_ctx, "* Append -w 3 to the commandline.");
event_log_advice (hashcat_ctx, " This can cause your screen to lag.");
event_log_advice (hashcat_ctx, NULL);
}
event_log_advice (hashcat_ctx, "* Update your OpenCL runtime / driver the right way:");
event_log_advice (hashcat_ctx, " https://hashcat.net/faq/wrongdriver");
event_log_advice (hashcat_ctx, NULL);
event_log_advice (hashcat_ctx, "* Create more work items to make use of your parallelization power:");
event_log_advice (hashcat_ctx, " https://hashcat.net/faq/morework");
event_log_advice (hashcat_ctx, NULL);
if ((user_options_extra->wordlist_mode == WL_MODE_FILE) || (user_options_extra->wordlist_mode == WL_MODE_MASK))
{
send_prompt ();