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Small WPA improvement, do not check the same candidate twice for LE and BE

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jsteube 2017-06-16 11:33:49 +02:00
parent cf57365e7c
commit 8a3ed7fe75
1 changed files with 3 additions and 2 deletions
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5
OpenCL/m02500.cl
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@ -1132,15 +1132,16 @@ __kernel void m02500_comp (__global pw_t *pws, __global const kernel_rule_t *rul
} }
// the same code again, but with BE order for the t++ // the same code again, but with BE order for the t++
// note we dont need nonce_error_correction = 0, we already tested this above
for (u32 nonce_error_correction = 1; nonce_error_correction <= nonce_error_corrections; nonce_error_correction++) for (u32 nonce_error_correction = 0; nonce_error_correction <= nonce_error_corrections; nonce_error_correction++)
{ {
u32 t = to; u32 t = to;
t -= nonce_error_corrections / 2; t -= nonce_error_corrections / 2;
t += nonce_error_correction; t += nonce_error_correction;
if (t == to) continue; // we already had this checked in the LE loop
if (wpa->nonce_compare < 0) if (wpa->nonce_compare < 0)
{ {
pke[15] = (pke[15] & ~0x000000ff) | (t >> 24); pke[15] = (pke[15] & ~0x000000ff) | (t >> 24);