projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| aec3694b RS |
1 | /* b128ops.h - common 128-bit block operations |
| 2 | * | |
| 3 | * Copyright (c) 2003, Dr Brian Gladman, Worcester, UK. | |
| 4 | * Copyright (c) 2006, Rik Snel <[email protected]> | |
| 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 | ||
| 52 | typedef struct { | |
| 53 | u64 a, b; | |
| 54 | } u128; | |
| 55 | ||
| 56 | typedef struct { | |
| 57 | __be64 a, b; | |
| 58 | } be128; | |
| 59 | ||
| 60 | typedef struct { | |
| 61 | __le64 b, a; | |
| 62 | } le128; | |
| 63 | ||
| 64 | static 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 | ||
| 70 | static inline void be128_xor(be128 *r, const be128 *p, const be128 *q) | |
| 71 | { | |
| 72 | u128_xor((u128 *)r, (u128 *)p, (u128 *)q); | |
| 73 | } | |
| 74 | ||
| 75 | static 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 */ |