+++ /dev/null
-/* LibTomCrypt, modular cryptographic library -- Tom St Denis
- *
- * LibTomCrypt is a library that provides various cryptographic
- * algorithms in a highly modular and flexible manner.
- *
- * The library is free for all purposes without any express
- * guarantee it works.
- */
-#include "tomcrypt.h"
-
-/**
- Source donated by Elliptic Semiconductor Inc (www.ellipticsemi.com) to the LibTom Projects
-*/
-
-#ifdef LTC_XTS_MODE
-
-/** multiply by x
- @param I The value to multiply by x (LFSR shift)
-*/
-void xts_mult_x(unsigned char *I)
-{
- int x;
- unsigned char t, tt;
-
- for (x = t = 0; x < 16; x++) {
- tt = I[x] >> 7;
- I[x] = ((I[x] << 1) | t) & 0xFF;
- t = tt;
- }
- if (tt) {
- I[0] ^= 0x87;
- }
-}
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */