cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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b128ops.h (2471B)

      1/* b128ops.h - common 128-bit block operations
      2 *
      3 * Copyright (c) 2003, Dr Brian Gladman, Worcester, UK.
      4 * Copyright (c) 2006, Rik Snel <rsnel@cube.dyndns.org>
      5 *
      6 * Based on Dr Brian Gladman's (GPL'd) work published at
      7 * http://fp.gladman.plus.com/cryptography_technology/index.htm
      8 * See the original copyright notice below.
      9 *
     10 * This program is free software; you can redistribute it and/or modify it
     11 * under the terms of the GNU General Public License as published by the Free
     12 * Software Foundation; either version 2 of the License, or (at your option)
     13 * any later version.
     14 */
     15/*
     16 ---------------------------------------------------------------------------
     17 Copyright (c) 2003, Dr Brian Gladman, Worcester, UK.   All rights reserved.
     18
     19 LICENSE TERMS
     20
     21 The free distribution and use of this software in both source and binary
     22 form is allowed (with or without changes) provided that:
     23
     24   1. distributions of this source code include the above copyright
     25      notice, this list of conditions and the following disclaimer;
     26
     27   2. distributions in binary form include the above copyright
     28      notice, this list of conditions and the following disclaimer
     29      in the documentation and/or other associated materials;
     30
     31   3. the copyright holder's name is not used to endorse products
     32      built using this software without specific written permission.
     33
     34 ALTERNATIVELY, provided that this notice is retained in full, this product
     35 may be distributed under the terms of the GNU General Public License (GPL),
     36 in which case the provisions of the GPL apply INSTEAD OF those given above.
     37
     38 DISCLAIMER
     39
     40 This software is provided 'as is' with no explicit or implied warranties
     41 in respect of its properties, including, but not limited to, correctness
     42 and/or fitness for purpose.
     43 ---------------------------------------------------------------------------
     44 Issue Date: 13/06/2006
     45*/
     46
     47#ifndef _CRYPTO_B128OPS_H
     48#define _CRYPTO_B128OPS_H
     49
     50#include <linux/types.h>
     51
     52typedef struct {
     53	u64 a, b;
     54} u128;
     55
     56typedef struct {
     57	__be64 a, b;
     58} be128;
     59
     60typedef struct {
     61	__le64 b, a;
     62} le128;
     63
     64static inline void u128_xor(u128 *r, const u128 *p, const u128 *q)
     65{
     66	r->a = p->a ^ q->a;
     67	r->b = p->b ^ q->b;
     68}
     69
     70static inline void be128_xor(be128 *r, const be128 *p, const be128 *q)
     71{
     72	u128_xor((u128 *)r, (u128 *)p, (u128 *)q);
     73}
     74
     75static inline void le128_xor(le128 *r, const le128 *p, const le128 *q)
     76{
     77	u128_xor((u128 *)r, (u128 *)p, (u128 *)q);
     78}
     79
     80#endif /* _CRYPTO_B128OPS_H */