/* 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. * * Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org *//* PMAC implementation by Tom St Denis */#include "mycrypt.h"#ifdef PMACvoid pmac_shift_xor(pmac_state *pmac){   int x, y;   y = pmac_ntz(pmac->block_index++);   for (x = 0; x < pmac->block_len; x++) {       pmac->Li[x] ^= pmac->Ls[y][x];   }}#endif