1 /* b128ops.h - common 128-bit block operations 1 /* b128ops.h - common 128-bit block operations
2 * 2 *
3 * Copyright (c) 2003, Dr Brian Gladman, Worce 3 * Copyright (c) 2003, Dr Brian Gladman, Worcester, UK.
4 * Copyright (c) 2006, Rik Snel <rsnel@cube.dy 4 * Copyright (c) 2006, Rik Snel <rsnel@cube.dyndns.org>
5 * 5 *
6 * Based on Dr Brian Gladman's (GPL'd) work pu 6 * Based on Dr Brian Gladman's (GPL'd) work published at
7 * http://fp.gladman.plus.com/cryptography_tec 7 * http://fp.gladman.plus.com/cryptography_technology/index.htm
8 * See the original copyright notice below. 8 * See the original copyright notice below.
9 * 9 *
10 * This program is free software; you can redi 10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public L 11 * under the terms of the GNU General Public License as published by the Free
12 * Software Foundation; either version 2 of th 12 * Software Foundation; either version 2 of the License, or (at your option)
13 * any later version. 13 * any later version.
14 */ 14 */
15 /* 15 /*
16 --------------------------------------------- 16 ---------------------------------------------------------------------------
17 Copyright (c) 2003, Dr Brian Gladman, Worcest 17 Copyright (c) 2003, Dr Brian Gladman, Worcester, UK. All rights reserved.
18 18
19 LICENSE TERMS 19 LICENSE TERMS
20 20
21 The free distribution and use of this softwar 21 The free distribution and use of this software in both source and binary
22 form is allowed (with or without changes) pro 22 form is allowed (with or without changes) provided that:
23 23
24 1. distributions of this source code includ 24 1. distributions of this source code include the above copyright
25 notice, this list of conditions and the 25 notice, this list of conditions and the following disclaimer;
26 26
27 2. distributions in binary form include the 27 2. distributions in binary form include the above copyright
28 notice, this list of conditions and the 28 notice, this list of conditions and the following disclaimer
29 in the documentation and/or other associ 29 in the documentation and/or other associated materials;
30 30
31 3. the copyright holder's name is not used 31 3. the copyright holder's name is not used to endorse products
32 built using this software without specif 32 built using this software without specific written permission.
33 33
34 ALTERNATIVELY, provided that this notice is r 34 ALTERNATIVELY, provided that this notice is retained in full, this product
35 may be distributed under the terms of the GNU 35 may be distributed under the terms of the GNU General Public License (GPL),
36 in which case the provisions of the GPL apply 36 in which case the provisions of the GPL apply INSTEAD OF those given above.
37 37
38 DISCLAIMER 38 DISCLAIMER
39 39
40 This software is provided 'as is' with no exp 40 This software is provided 'as is' with no explicit or implied warranties
41 in respect of its properties, including, but 41 in respect of its properties, including, but not limited to, correctness
42 and/or fitness for purpose. 42 and/or fitness for purpose.
43 --------------------------------------------- 43 ---------------------------------------------------------------------------
44 Issue Date: 13/06/2006 44 Issue Date: 13/06/2006
45 */ 45 */
46 46
47 #ifndef _CRYPTO_B128OPS_H 47 #ifndef _CRYPTO_B128OPS_H
48 #define _CRYPTO_B128OPS_H 48 #define _CRYPTO_B128OPS_H
49 49
50 #include <linux/types.h> 50 #include <linux/types.h>
51 51
52 typedef struct { 52 typedef struct {
>> 53 u64 a, b;
>> 54 } u128;
>> 55
>> 56 typedef struct {
53 __be64 a, b; 57 __be64 a, b;
54 } be128; 58 } be128;
55 59
56 typedef struct { 60 typedef struct {
57 __le64 b, a; 61 __le64 b, a;
58 } le128; 62 } le128;
59 63
60 static inline void be128_xor(be128 *r, const b !! 64 static inline void u128_xor(u128 *r, const u128 *p, const u128 *q)
61 { 65 {
62 r->a = p->a ^ q->a; 66 r->a = p->a ^ q->a;
63 r->b = p->b ^ q->b; 67 r->b = p->b ^ q->b;
64 } 68 }
65 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
66 static inline void le128_xor(le128 *r, const l 75 static inline void le128_xor(le128 *r, const le128 *p, const le128 *q)
67 { 76 {
68 r->a = p->a ^ q->a; !! 77 u128_xor((u128 *)r, (u128 *)p, (u128 *)q);
69 r->b = p->b ^ q->b; <<
70 } 78 }
71 79
72 #endif /* _CRYPTO_B128OPS_H */ 80 #endif /* _CRYPTO_B128OPS_H */
73 81
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