8dd8c294 |
1 | /* -*-c-*- |
2 | * |
3 | * $Id: serpent-sbox.h,v 1.1 2000/06/17 12:08:43 mdw Exp $ |
4 | * |
5 | * Bitslice S-box implementations |
6 | * |
7 | * (c) 2000 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of Catacomb. |
13 | * |
14 | * Catacomb is free software; you can redistribute it and/or modify |
15 | * it under the terms of the GNU Library General Public License as |
16 | * published by the Free Software Foundation; either version 2 of the |
17 | * License, or (at your option) any later version. |
18 | * |
19 | * Catacomb is distributed in the hope that it will be useful, |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
22 | * GNU Library General Public License for more details. |
23 | * |
24 | * You should have received a copy of the GNU Library General Public |
25 | * License along with Catacomb; if not, write to the Free |
26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
27 | * MA 02111-1307, USA. |
28 | */ |
29 | |
30 | /*----- Revision history --------------------------------------------------* |
31 | * |
32 | * $Log: serpent-sbox.h,v $ |
33 | * Revision 1.1 2000/06/17 12:08:43 mdw |
34 | * New cipher. |
35 | * |
36 | */ |
37 | |
38 | /*----- Credit where it's due ---------------------------------------------* |
39 | * |
40 | * These S-box expressions are taken from the paper `Speeding up Serpent', by |
41 | * Dag Arne Osvik, submitted to AES3. |
42 | */ |
43 | |
44 | #ifndef CATACOMB_SERPENT_SBOX_H |
45 | #define CATACOMB_SERPENT_SBOX_H |
46 | |
47 | #ifdef __cplusplus |
48 | extern "C" { |
49 | #endif |
50 | |
51 | /*----- Header files ------------------------------------------------------*/ |
52 | |
53 | #include <mLib/bits.h> |
54 | |
55 | /*----- Macros provided ---------------------------------------------------*/ |
56 | |
57 | /* --- @S0@ --- */ |
58 | |
59 | #define S0(r0, r1, r2, r3) do { \ |
60 | uint32 r4; \ |
61 | r3 ^= r0; r4 = r1; r1 &= r3; r4 ^= r2; \ |
62 | r1 ^= r0; r0 |= r3; r0 ^= r4; r4 ^= r3; \ |
63 | r3 ^= r2; r2 |= r1; r2 ^= r4; r4 = ~r4; \ |
64 | r4 |= r1; r1 ^= r3; r1 ^= r4; r3 |= r0; \ |
65 | r1 ^= r3; r4 ^= r3; \ |
66 | r3 = r0; r0 = r1; r1 = r4; \ |
67 | } while (0) |
68 | |
69 | #define IS0(r0, r1, r2, r3) do { \ |
70 | uint32 r4; \ |
71 | r2 = ~r2; r4 = r1; r1 |= r0; r4 = ~r4; \ |
72 | r1 ^= r2; r2 |= r4; r1 ^= r3; r0 ^= r4; \ |
73 | r2 ^= r0; r0 &= r3; r4 ^= r0; r0 |= r1; \ |
74 | r0 ^= r2; r3 ^= r4; r2 ^= r1; r3 ^= r0; \ |
75 | r3 ^= r1; r2 &= r3; r4 ^= r2; \ |
76 | r2 = r1; r1 = r4; \ |
77 | } while (0) |
78 | |
79 | /* --- @S1@ --- */ |
80 | |
81 | #define S1(r0, r1, r2, r3) do { \ |
82 | uint32 r4; \ |
83 | r0 = ~r0; r2 = ~r2; r4 = r0; r0 &= r1; \ |
84 | r2 ^= r0; r0 |= r3; r3 ^= r2; r1 ^= r0; \ |
85 | r0 ^= r4; r4 |= r1; r1 ^= r3; r2 |= r0; \ |
86 | r2 &= r4; r0 ^= r1; r1 &= r2; r1 ^= r0; \ |
87 | r0 &= r2; r0 ^= r4; \ |
88 | r4 = r0; r0 = r2; r2 = r3; r3 = r1; r1 = r4; \ |
89 | } while (0) |
90 | |
91 | #define IS1(r0, r1, r2, r3) do { \ |
92 | uint32 r4; \ |
93 | r4 = r1; r1 ^= r3; r3 &= r1; r4 ^= r2; \ |
94 | r3 ^= r0; r0 |= r1; r2 ^= r3; r0 ^= r4; \ |
95 | r0 |= r2; r1 ^= r3; r0 ^= r1; r1 |= r3; \ |
96 | r1 ^= r0; r4 = ~r4; r4 ^= r1; r1 |= r0; \ |
97 | r1 ^= r0; r1 |= r4; r3 ^= r1; \ |
98 | r1 = r0; r0 = r4; r4 = r2; r2 = r3; r3 = r4; \ |
99 | } while (0) |
100 | |
101 | /* --- @S2@ --- */ |
102 | |
103 | #define S2(r0, r1, r2, r3) do { \ |
104 | uint32 r4; \ |
105 | r4 = r0; r0 &= r2; r0 ^= r3; r2 ^= r1; \ |
106 | r2 ^= r0; r3 |= r4; r3 ^= r1; r4 ^= r2; \ |
107 | r1 = r3; r3 |= r4; r3 ^= r0; r0 &= r1; \ |
108 | r4 ^= r0; r1 ^= r3; r1 ^= r4; r4 = ~r4; \ |
109 | r0 = r2; r2 = r1; r1 = r3; r3 = r4; \ |
110 | } while (0) |
111 | |
112 | #define IS2(r0, r1, r2, r3) do { \ |
113 | uint32 r4; \ |
114 | r2 ^= r3; r3 ^= r0; r4 = r3; r3 &= r2; \ |
115 | r3 ^= r1; r1 |= r2; r1 ^= r4; r4 &= r3; \ |
116 | r2 ^= r3; r4 &= r0; r4 ^= r2; r2 &= r1; \ |
117 | r2 |= r0; r3 = ~r3; r2 ^= r3; r0 ^= r3; \ |
118 | r0 &= r1; r3 ^= r4; r3 ^= r0; \ |
119 | r0 = r1; r1 = r4; \ |
120 | } while (0) |
121 | |
122 | /* --- @S3@ --- */ |
123 | |
124 | #define S3(r0, r1, r2, r3) do { \ |
125 | uint32 r4; \ |
126 | r4 = r0; r0 |= r3; r3 ^= r1; r1 &= r4; \ |
127 | r4 ^= r2; r2 ^= r3; r3 &= r0; r4 |= r1; \ |
128 | r3 ^= r4; r0 ^= r1; r4 &= r0; r1 ^= r3; \ |
129 | r4 ^= r2; r1 |= r0; r1 ^= r2; r0 ^= r3; \ |
130 | r2 = r1; r1 |= r3; r1 ^= r0; \ |
131 | r0 = r1; r1 = r2; r2 = r3; r3 = r4; \ |
132 | } while (0) |
133 | |
134 | #define IS3(r0, r1, r2, r3) do { \ |
135 | uint32 r4; \ |
136 | r4 = r2; r2 ^= r1; r0 ^= r2; r4 &= r2; \ |
137 | r4 ^= r0; r0 &= r1; r1 ^= r3; r3 |= r4; \ |
138 | r2 ^= r3; r0 ^= r3; r1 ^= r4; r3 &= r2; \ |
139 | r3 ^= r1; r1 ^= r0; r1 |= r2; r0 ^= r3; \ |
140 | r1 ^= r4; r0 ^= r1; \ |
141 | r4 = r0; r0 = r2; r2 = r3; r3 = r4; \ |
142 | } while (0) |
143 | |
144 | /* --- @S4@ --- */ |
145 | |
146 | #define S4(r0, r1, r2, r3) do { \ |
147 | uint32 r4; \ |
148 | r1 ^= r3; r3 = ~r3; r2 ^= r3; r3 ^= r0; \ |
149 | r4 = r1; r1 &= r3; r1 ^= r2; r4 ^= r3; \ |
150 | r0 ^= r4; r2 &= r4; r2 ^= r0; r0 &= r1; \ |
151 | r3 ^= r0; r4 |= r1; r4 ^= r0; r0 |= r3; \ |
152 | r0 ^= r2; r2 &= r3; r0 = ~r0; r4 ^= r2; \ |
153 | r2 = r0; r0 = r1; r1 = r4; \ |
154 | } while (0) |
155 | |
156 | #define IS4(r0, r1, r2, r3) do { \ |
157 | uint32 r4; \ |
158 | r4 = r2; r2 &= r3; r2 ^= r1; r1 |= r3; \ |
159 | r1 &= r0; r4 ^= r2; r4 ^= r1; r1 &= r2; \ |
160 | r0 = ~r0; r3 ^= r4; r1 ^= r3; r3 &= r0; \ |
161 | r3 ^= r2; r0 ^= r1; r2 &= r0; r3 ^= r0; \ |
162 | r2 ^= r4, r2 |= r3; r3 ^= r0; r2 ^= r1; \ |
163 | r1 = r3; r3 = r4; \ |
164 | } while (0) |
165 | |
166 | /* --- @S5@ --- */ |
167 | |
168 | #define S5(r0, r1, r2, r3) do { \ |
169 | uint32 r4; \ |
170 | r0 ^= r1; r1 ^= r3; r3 = ~r3; r4 = r1; \ |
171 | r1 &= r0; r2 ^= r3; r1 ^= r2; r2 |= r4; \ |
172 | r4 ^= r3; r3 &= r1; r3 ^= r0; r4 ^= r1; \ |
173 | r4 ^= r2; r2 ^= r0; r0 &= r3; r2 = ~r2; \ |
174 | r0 ^= r4; r4 |= r3; r2 ^= r4; \ |
175 | r4 = r3; r3 = r2; r2 = r0; r0 = r1; r1 = r4; \ |
176 | } while (0) |
177 | |
178 | #define IS5(r0, r1, r2, r3) do { \ |
179 | uint32 r4; \ |
180 | r1 = ~r1; r4 = r3; r2 ^= r1; r3 |= r0; \ |
181 | r3 ^= r2; r2 |= r1; r2 &= r0; r4 ^= r3; \ |
182 | r2 ^= r4; r4 |= r0; r4 ^= r1; r1 &= r2; \ |
183 | r1 ^= r3; r4 ^= r2; r3 &= r4; r4 ^= r1; \ |
184 | r3 ^= r4; r4 = ~r4; r3 ^= r0; \ |
185 | r0 = r1; r1 = r4; r4 = r3; r3 = r2; r2 = r4; \ |
186 | } while (0) |
187 | |
188 | /* --- @S6@ --- */ |
189 | |
190 | #define S6(r0, r1, r2, r3) do { \ |
191 | uint32 r4; \ |
192 | r2 = ~r2; r4 = r3; r3 &= r0; r0 ^= r4; \ |
193 | r3 ^= r2; r2 |= r4; r1 ^= r3; r2 ^= r0; \ |
194 | r0 |= r1; r2 ^= r1; r4 ^= r0; r0 |= r3; \ |
195 | r0 ^= r2; r4 ^= r3; r4 ^= r0; r3 = ~r3; \ |
196 | r2 &= r4; r2 ^= r3; \ |
197 | r3 = r2; r2 = r4; \ |
198 | } while (0) |
199 | |
200 | #define IS6(r0, r1, r2, r3) do { \ |
201 | uint32 r4; \ |
202 | r0 ^= r2; r4 = r2; r2 &= r0; r4 ^= r3; \ |
203 | r2 = ~r2; r3 ^= r1; r2 ^= r3; r4 |= r0; \ |
204 | r0 ^= r2; r3 ^= r4; r4 ^= r1; r1 &= r3; \ |
205 | r1 ^= r0; r0 ^= r3; r0 |= r2; r3 ^= r1; \ |
206 | r4 ^= r0; \ |
207 | r0 = r1; r1 = r2; r2 = r4; \ |
208 | } while (0) |
209 | |
210 | /* --- @S7@ --- */ |
211 | |
212 | #define S7(r0, r1, r2, r3) do { \ |
213 | uint32 r4; \ |
214 | r4 = r1; r1 |= r2; r1 ^= r3; r4 ^= r2; \ |
215 | r2 ^= r1; r3 |= r4; r3 &= r0; r4 ^= r2; \ |
216 | r3 ^= r1; r1 |= r4; r1 ^= r0; r0 |= r4; \ |
217 | r0 ^= r2; r1 ^= r4; r2 ^= r1; r1 &= r0; \ |
218 | r1 ^= r4; r2 = ~r2; r2 |= r0; r4 ^= r2; \ |
219 | r2 = r1; r1 = r3; r3 = r0; r0 = r4; \ |
220 | } while (0) |
221 | |
222 | #define IS7(r0, r1, r2, r3) do { \ |
223 | uint32 r4; \ |
224 | r4 = r2; r2 ^= r0; r0 &= r3; r4 |= r3; \ |
225 | r2 = ~r2; r3 ^= r1; r1 |= r0; r0 ^= r2; \ |
226 | r2 &= r4; r3 &= r4; r1 ^= r2; r2 ^= r0; \ |
227 | r0 |= r2; r4 ^= r1; r0 ^= r3; r3 ^= r4; \ |
228 | r4 |= r0; r3 ^= r2; r4 ^= r2; \ |
229 | r2 = r1; r1 = r0; r0 = r3; r3 = r4; \ |
230 | } while (0) |
231 | |
232 | /*----- That's all, folks -------------------------------------------------*/ |
233 | |
234 | #ifdef __cplusplus |
235 | } |
236 | #endif |
237 | |
238 | #endif |