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hashcat/OpenCL/inc_luks_xts.cl

23 lines
462 B
Common Lisp

/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#include "inc_vendor.h"
#include "inc_types.h"
#include "inc_platform.h"
#include "inc_common.h"
#include "inc_luks_xts.h"
DECLSPEC void xts_mul2 (PRIVATE_AS u32 *in, PRIVATE_AS u32 *out)
{
const u32 c = in[3] >> 31;
out[3] = (in[3] << 1) | (in[2] >> 31);
out[2] = (in[2] << 1) | (in[1] >> 31);
out[1] = (in[1] << 1) | (in[0] >> 31);
out[0] = (in[0] << 1);
out[0] ^= c * 0x87;
}