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Code Issues Releases Wiki Activity

Fix cached kernel checksum building on oversized device version or driver version strings

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This commit is contained in:
jsteube 2016-11-20 14:42:45 +01:00
parent aa1b7408a0
commit 6efe557cdc
1 changed files with 6 additions and 3 deletions
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9
src/opencl.c
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@ -2685,14 +2685,17 @@ int opencl_ctx_devices_init (hashcat_ctx_t *hashcat_ctx, const int comptime)
char *device_name_chksum = (char *) hcmalloc (hashcat_ctx, HCBUFSIZ_TINY); VERIFY_PTR (device_name_chksum);
#if defined (__x86_64__)
snprintf (device_name_chksum, HCBUFSIZ_TINY - 1, "%d-%u-%u-%s-%s-%s-%d", 64, device_param->platform_vendor_id, device_param->vector_width, device_param->device_name, device_param->device_version, device_param->driver_version, comptime);
const size_t dnclen = snprintf (device_name_chksum, HCBUFSIZ_TINY - 1, "%d-%u-%u-%s-%s-%s-%d-%u", 64, device_param->platform_vendor_id, device_param->vector_width, device_param->device_name, device_param->device_version, device_param->driver_version, comptime, user_options->opencl_vector_width);
#else
snprintf (device_name_chksum, HCBUFSIZ_TINY - 1, "%d-%u-%u-%s-%s-%s-%d", 32, device_param->platform_vendor_id, device_param->vector_width, device_param->device_name, device_param->device_version, device_param->driver_version, comptime);
const size_t dnclen = snprintf (device_name_chksum, HCBUFSIZ_TINY - 1, "%d-%u-%u-%s-%s-%s-%d-%u", 32, device_param->platform_vendor_id, device_param->vector_width, device_param->device_name, device_param->device_version, device_param->driver_version, comptime, user_options->opencl_vector_width);
#endif
u32 device_name_digest[4] = { 0 };
md5_64 ((u32 *) device_name_chksum, device_name_digest);
for (size_t i = 0; i < dnclen; i += 64)
{
md5_64 ((u32 *) (device_name_chksum + i), device_name_digest);
}
snprintf (device_name_chksum, HCBUFSIZ_TINY - 1, "%08x", device_name_digest[0]);