Contents of /alx-src/tags/kernel26-2.6.12-alx-r9/crypto/des.c
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Wed Mar 4 11:03:09 2009 UTC (15 years, 2 months ago) by niro
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Wed Mar 4 11:03:09 2009 UTC (15 years, 2 months ago) by niro
File MIME type: text/plain
File size: 39753 byte(s)
Tag kernel26-2.6.12-alx-r9
1 | /* |
2 | * Cryptographic API. |
3 | * |
4 | * DES & Triple DES EDE Cipher Algorithms. |
5 | * |
6 | * Originally released as descore by Dana L. How <how@isl.stanford.edu>. |
7 | * Modified by Raimar Falke <rf13@inf.tu-dresden.de> for the Linux-Kernel. |
8 | * Derived from Cryptoapi and Nettle implementations, adapted for in-place |
9 | * scatterlist interface. Changed LGPL to GPL per section 3 of the LGPL. |
10 | * |
11 | * Copyright (c) 1992 Dana L. How. |
12 | * Copyright (c) Raimar Falke <rf13@inf.tu-dresden.de> |
13 | * Copyright (c) Gisle Sælensminde <gisle@ii.uib.no> |
14 | * Copyright (C) 2001 Niels Möller. |
15 | * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> |
16 | * |
17 | * This program is free software; you can redistribute it and/or modify |
18 | * it under the terms of the GNU General Public License as published by |
19 | * the Free Software Foundation; either version 2 of the License, or |
20 | * (at your option) any later version. |
21 | * |
22 | */ |
23 | #include <linux/init.h> |
24 | #include <linux/module.h> |
25 | #include <linux/mm.h> |
26 | #include <linux/errno.h> |
27 | #include <asm/scatterlist.h> |
28 | #include <linux/crypto.h> |
29 | |
30 | #define DES_KEY_SIZE 8 |
31 | #define DES_EXPKEY_WORDS 32 |
32 | #define DES_BLOCK_SIZE 8 |
33 | |
34 | #define DES3_EDE_KEY_SIZE (3 * DES_KEY_SIZE) |
35 | #define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS) |
36 | #define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE |
37 | |
38 | #define ROR(d,c,o) ((d) = (d) >> (c) | (d) << (o)) |
39 | |
40 | struct des_ctx { |
41 | u8 iv[DES_BLOCK_SIZE]; |
42 | u32 expkey[DES_EXPKEY_WORDS]; |
43 | }; |
44 | |
45 | struct des3_ede_ctx { |
46 | u8 iv[DES_BLOCK_SIZE]; |
47 | u32 expkey[DES3_EDE_EXPKEY_WORDS]; |
48 | }; |
49 | |
50 | static const u32 des_keymap[] = { |
51 | 0x02080008, 0x02082000, 0x00002008, 0x00000000, |
52 | 0x02002000, 0x00080008, 0x02080000, 0x02082008, |
53 | 0x00000008, 0x02000000, 0x00082000, 0x00002008, |
54 | 0x00082008, 0x02002008, 0x02000008, 0x02080000, |
55 | 0x00002000, 0x00082008, 0x00080008, 0x02002000, |
56 | 0x02082008, 0x02000008, 0x00000000, 0x00082000, |
57 | 0x02000000, 0x00080000, 0x02002008, 0x02080008, |
58 | 0x00080000, 0x00002000, 0x02082000, 0x00000008, |
59 | 0x00080000, 0x00002000, 0x02000008, 0x02082008, |
60 | 0x00002008, 0x02000000, 0x00000000, 0x00082000, |
61 | 0x02080008, 0x02002008, 0x02002000, 0x00080008, |
62 | 0x02082000, 0x00000008, 0x00080008, 0x02002000, |
63 | 0x02082008, 0x00080000, 0x02080000, 0x02000008, |
64 | 0x00082000, 0x00002008, 0x02002008, 0x02080000, |
65 | 0x00000008, 0x02082000, 0x00082008, 0x00000000, |
66 | 0x02000000, 0x02080008, 0x00002000, 0x00082008, |
67 | |
68 | 0x08000004, 0x00020004, 0x00000000, 0x08020200, |
69 | 0x00020004, 0x00000200, 0x08000204, 0x00020000, |
70 | 0x00000204, 0x08020204, 0x00020200, 0x08000000, |
71 | 0x08000200, 0x08000004, 0x08020000, 0x00020204, |
72 | 0x00020000, 0x08000204, 0x08020004, 0x00000000, |
73 | 0x00000200, 0x00000004, 0x08020200, 0x08020004, |
74 | 0x08020204, 0x08020000, 0x08000000, 0x00000204, |
75 | 0x00000004, 0x00020200, 0x00020204, 0x08000200, |
76 | 0x00000204, 0x08000000, 0x08000200, 0x00020204, |
77 | 0x08020200, 0x00020004, 0x00000000, 0x08000200, |
78 | 0x08000000, 0x00000200, 0x08020004, 0x00020000, |
79 | 0x00020004, 0x08020204, 0x00020200, 0x00000004, |
80 | 0x08020204, 0x00020200, 0x00020000, 0x08000204, |
81 | 0x08000004, 0x08020000, 0x00020204, 0x00000000, |
82 | 0x00000200, 0x08000004, 0x08000204, 0x08020200, |
83 | 0x08020000, 0x00000204, 0x00000004, 0x08020004, |
84 | |
85 | 0x80040100, 0x01000100, 0x80000000, 0x81040100, |
86 | 0x00000000, 0x01040000, 0x81000100, 0x80040000, |
87 | 0x01040100, 0x81000000, 0x01000000, 0x80000100, |
88 | 0x81000000, 0x80040100, 0x00040000, 0x01000000, |
89 | 0x81040000, 0x00040100, 0x00000100, 0x80000000, |
90 | 0x00040100, 0x81000100, 0x01040000, 0x00000100, |
91 | 0x80000100, 0x00000000, 0x80040000, 0x01040100, |
92 | 0x01000100, 0x81040000, 0x81040100, 0x00040000, |
93 | 0x81040000, 0x80000100, 0x00040000, 0x81000000, |
94 | 0x00040100, 0x01000100, 0x80000000, 0x01040000, |
95 | 0x81000100, 0x00000000, 0x00000100, 0x80040000, |
96 | 0x00000000, 0x81040000, 0x01040100, 0x00000100, |
97 | 0x01000000, 0x81040100, 0x80040100, 0x00040000, |
98 | 0x81040100, 0x80000000, 0x01000100, 0x80040100, |
99 | 0x80040000, 0x00040100, 0x01040000, 0x81000100, |
100 | 0x80000100, 0x01000000, 0x81000000, 0x01040100, |
101 | |
102 | 0x04010801, 0x00000000, 0x00010800, 0x04010000, |
103 | 0x04000001, 0x00000801, 0x04000800, 0x00010800, |
104 | 0x00000800, 0x04010001, 0x00000001, 0x04000800, |
105 | 0x00010001, 0x04010800, 0x04010000, 0x00000001, |
106 | 0x00010000, 0x04000801, 0x04010001, 0x00000800, |
107 | 0x00010801, 0x04000000, 0x00000000, 0x00010001, |
108 | 0x04000801, 0x00010801, 0x04010800, 0x04000001, |
109 | 0x04000000, 0x00010000, 0x00000801, 0x04010801, |
110 | 0x00010001, 0x04010800, 0x04000800, 0x00010801, |
111 | 0x04010801, 0x00010001, 0x04000001, 0x00000000, |
112 | 0x04000000, 0x00000801, 0x00010000, 0x04010001, |
113 | 0x00000800, 0x04000000, 0x00010801, 0x04000801, |
114 | 0x04010800, 0x00000800, 0x00000000, 0x04000001, |
115 | 0x00000001, 0x04010801, 0x00010800, 0x04010000, |
116 | 0x04010001, 0x00010000, 0x00000801, 0x04000800, |
117 | 0x04000801, 0x00000001, 0x04010000, 0x00010800, |
118 | |
119 | 0x00000400, 0x00000020, 0x00100020, 0x40100000, |
120 | 0x40100420, 0x40000400, 0x00000420, 0x00000000, |
121 | 0x00100000, 0x40100020, 0x40000020, 0x00100400, |
122 | 0x40000000, 0x00100420, 0x00100400, 0x40000020, |
123 | 0x40100020, 0x00000400, 0x40000400, 0x40100420, |
124 | 0x00000000, 0x00100020, 0x40100000, 0x00000420, |
125 | 0x40100400, 0x40000420, 0x00100420, 0x40000000, |
126 | 0x40000420, 0x40100400, 0x00000020, 0x00100000, |
127 | 0x40000420, 0x00100400, 0x40100400, 0x40000020, |
128 | 0x00000400, 0x00000020, 0x00100000, 0x40100400, |
129 | 0x40100020, 0x40000420, 0x00000420, 0x00000000, |
130 | 0x00000020, 0x40100000, 0x40000000, 0x00100020, |
131 | 0x00000000, 0x40100020, 0x00100020, 0x00000420, |
132 | 0x40000020, 0x00000400, 0x40100420, 0x00100000, |
133 | 0x00100420, 0x40000000, 0x40000400, 0x40100420, |
134 | 0x40100000, 0x00100420, 0x00100400, 0x40000400, |
135 | |
136 | 0x00800000, 0x00001000, 0x00000040, 0x00801042, |
137 | 0x00801002, 0x00800040, 0x00001042, 0x00801000, |
138 | 0x00001000, 0x00000002, 0x00800002, 0x00001040, |
139 | 0x00800042, 0x00801002, 0x00801040, 0x00000000, |
140 | 0x00001040, 0x00800000, 0x00001002, 0x00000042, |
141 | 0x00800040, 0x00001042, 0x00000000, 0x00800002, |
142 | 0x00000002, 0x00800042, 0x00801042, 0x00001002, |
143 | 0x00801000, 0x00000040, 0x00000042, 0x00801040, |
144 | 0x00801040, 0x00800042, 0x00001002, 0x00801000, |
145 | 0x00001000, 0x00000002, 0x00800002, 0x00800040, |
146 | 0x00800000, 0x00001040, 0x00801042, 0x00000000, |
147 | 0x00001042, 0x00800000, 0x00000040, 0x00001002, |
148 | 0x00800042, 0x00000040, 0x00000000, 0x00801042, |
149 | 0x00801002, 0x00801040, 0x00000042, 0x00001000, |
150 | 0x00001040, 0x00801002, 0x00800040, 0x00000042, |
151 | 0x00000002, 0x00001042, 0x00801000, 0x00800002, |
152 | |
153 | 0x10400000, 0x00404010, 0x00000010, 0x10400010, |
154 | 0x10004000, 0x00400000, 0x10400010, 0x00004010, |
155 | 0x00400010, 0x00004000, 0x00404000, 0x10000000, |
156 | 0x10404010, 0x10000010, 0x10000000, 0x10404000, |
157 | 0x00000000, 0x10004000, 0x00404010, 0x00000010, |
158 | 0x10000010, 0x10404010, 0x00004000, 0x10400000, |
159 | 0x10404000, 0x00400010, 0x10004010, 0x00404000, |
160 | 0x00004010, 0x00000000, 0x00400000, 0x10004010, |
161 | 0x00404010, 0x00000010, 0x10000000, 0x00004000, |
162 | 0x10000010, 0x10004000, 0x00404000, 0x10400010, |
163 | 0x00000000, 0x00404010, 0x00004010, 0x10404000, |
164 | 0x10004000, 0x00400000, 0x10404010, 0x10000000, |
165 | 0x10004010, 0x10400000, 0x00400000, 0x10404010, |
166 | 0x00004000, 0x00400010, 0x10400010, 0x00004010, |
167 | 0x00400010, 0x00000000, 0x10404000, 0x10000010, |
168 | 0x10400000, 0x10004010, 0x00000010, 0x00404000, |
169 | |
170 | 0x00208080, 0x00008000, 0x20200000, 0x20208080, |
171 | 0x00200000, 0x20008080, 0x20008000, 0x20200000, |
172 | 0x20008080, 0x00208080, 0x00208000, 0x20000080, |
173 | 0x20200080, 0x00200000, 0x00000000, 0x20008000, |
174 | 0x00008000, 0x20000000, 0x00200080, 0x00008080, |
175 | 0x20208080, 0x00208000, 0x20000080, 0x00200080, |
176 | 0x20000000, 0x00000080, 0x00008080, 0x20208000, |
177 | 0x00000080, 0x20200080, 0x20208000, 0x00000000, |
178 | 0x00000000, 0x20208080, 0x00200080, 0x20008000, |
179 | 0x00208080, 0x00008000, 0x20000080, 0x00200080, |
180 | 0x20208000, 0x00000080, 0x00008080, 0x20200000, |
181 | 0x20008080, 0x20000000, 0x20200000, 0x00208000, |
182 | 0x20208080, 0x00008080, 0x00208000, 0x20200080, |
183 | 0x00200000, 0x20000080, 0x20008000, 0x00000000, |
184 | 0x00008000, 0x00200000, 0x20200080, 0x00208080, |
185 | 0x20000000, 0x20208000, 0x00000080, 0x20008080, |
186 | }; |
187 | |
188 | static const u8 rotors[] = { |
189 | 34, 13, 5, 46, 47, 18, 32, 41, 11, 53, 33, 20, |
190 | 14, 36, 30, 24, 49, 2, 15, 37, 42, 50, 0, 21, |
191 | 38, 48, 6, 26, 39, 4, 52, 25, 12, 27, 31, 40, |
192 | 1, 17, 28, 29, 23, 51, 35, 7, 3, 22, 9, 43, |
193 | |
194 | 41, 20, 12, 53, 54, 25, 39, 48, 18, 31, 40, 27, |
195 | 21, 43, 37, 0, 1, 9, 22, 44, 49, 2, 7, 28, |
196 | 45, 55, 13, 33, 46, 11, 6, 32, 19, 34, 38, 47, |
197 | 8, 24, 35, 36, 30, 3, 42, 14, 10, 29, 16, 50, |
198 | |
199 | 55, 34, 26, 38, 11, 39, 53, 5, 32, 45, 54, 41, |
200 | 35, 2, 51, 14, 15, 23, 36, 3, 8, 16, 21, 42, |
201 | 6, 12, 27, 47, 31, 25, 20, 46, 33, 48, 52, 4, |
202 | 22, 7, 49, 50, 44, 17, 1, 28, 24, 43, 30, 9, |
203 | |
204 | 12, 48, 40, 52, 25, 53, 38, 19, 46, 6, 11, 55, |
205 | 49, 16, 10, 28, 29, 37, 50, 17, 22, 30, 35, 1, |
206 | 20, 26, 41, 4, 45, 39, 34, 31, 47, 5, 13, 18, |
207 | 36, 21, 8, 9, 3, 0, 15, 42, 7, 2, 44, 23, |
208 | |
209 | 26, 5, 54, 13, 39, 38, 52, 33, 31, 20, 25, 12, |
210 | 8, 30, 24, 42, 43, 51, 9, 0, 36, 44, 49, 15, |
211 | 34, 40, 55, 18, 6, 53, 48, 45, 4, 19, 27, 32, |
212 | 50, 35, 22, 23, 17, 14, 29, 1, 21, 16, 3, 37, |
213 | |
214 | 40, 19, 11, 27, 53, 52, 13, 47, 45, 34, 39, 26, |
215 | 22, 44, 7, 1, 2, 10, 23, 14, 50, 3, 8, 29, |
216 | 48, 54, 12, 32, 20, 38, 5, 6, 18, 33, 41, 46, |
217 | 9, 49, 36, 37, 0, 28, 43, 15, 35, 30, 17, 51, |
218 | |
219 | 54, 33, 25, 41, 38, 13, 27, 4, 6, 48, 53, 40, |
220 | 36, 3, 21, 15, 16, 24, 37, 28, 9, 17, 22, 43, |
221 | 5, 11, 26, 46, 34, 52, 19, 20, 32, 47, 55, 31, |
222 | 23, 8, 50, 51, 14, 42, 2, 29, 49, 44, 0, 10, |
223 | |
224 | 11, 47, 39, 55, 52, 27, 41, 18, 20, 5, 38, 54, |
225 | 50, 17, 35, 29, 30, 7, 51, 42, 23, 0, 36, 2, |
226 | 19, 25, 40, 31, 48, 13, 33, 34, 46, 4, 12, 45, |
227 | 37, 22, 9, 10, 28, 1, 16, 43, 8, 3, 14, 24, |
228 | |
229 | 18, 54, 46, 5, 6, 34, 48, 25, 27, 12, 45, 4, |
230 | 2, 24, 42, 36, 37, 14, 3, 49, 30, 7, 43, 9, |
231 | 26, 32, 47, 38, 55, 20, 40, 41, 53, 11, 19, 52, |
232 | 44, 29, 16, 17, 35, 8, 23, 50, 15, 10, 21, 0, |
233 | |
234 | 32, 11, 31, 19, 20, 48, 5, 39, 41, 26, 6, 18, |
235 | 16, 7, 1, 50, 51, 28, 17, 8, 44, 21, 2, 23, |
236 | 40, 46, 4, 52, 12, 34, 54, 55, 38, 25, 33, 13, |
237 | 3, 43, 30, 0, 49, 22, 37, 9, 29, 24, 35, 14, |
238 | |
239 | 46, 25, 45, 33, 34, 5, 19, 53, 55, 40, 20, 32, |
240 | 30, 21, 15, 9, 10, 42, 0, 22, 3, 35, 16, 37, |
241 | 54, 31, 18, 13, 26, 48, 11, 12, 52, 39, 47, 27, |
242 | 17, 2, 44, 14, 8, 36, 51, 23, 43, 7, 49, 28, |
243 | |
244 | 31, 39, 6, 47, 48, 19, 33, 38, 12, 54, 34, 46, |
245 | 44, 35, 29, 23, 24, 1, 14, 36, 17, 49, 30, 51, |
246 | 11, 45, 32, 27, 40, 5, 25, 26, 13, 53, 4, 41, |
247 | 0, 16, 3, 28, 22, 50, 10, 37, 2, 21, 8, 42, |
248 | |
249 | 45, 53, 20, 4, 5, 33, 47, 52, 26, 11, 48, 31, |
250 | 3, 49, 43, 37, 7, 15, 28, 50, 0, 8, 44, 10, |
251 | 25, 6, 46, 41, 54, 19, 39, 40, 27, 38, 18, 55, |
252 | 14, 30, 17, 42, 36, 9, 24, 51, 16, 35, 22, 1, |
253 | |
254 | 6, 38, 34, 18, 19, 47, 4, 13, 40, 25, 5, 45, |
255 | 17, 8, 2, 51, 21, 29, 42, 9, 14, 22, 3, 24, |
256 | 39, 20, 31, 55, 11, 33, 53, 54, 41, 52, 32, 12, |
257 | 28, 44, 0, 1, 50, 23, 7, 10, 30, 49, 36, 15, |
258 | |
259 | 20, 52, 48, 32, 33, 4, 18, 27, 54, 39, 19, 6, |
260 | 0, 22, 16, 10, 35, 43, 1, 23, 28, 36, 17, 7, |
261 | 53, 34, 45, 12, 25, 47, 38, 11, 55, 13, 46, 26, |
262 | 42, 3, 14, 15, 9, 37, 21, 24, 44, 8, 50, 29, |
263 | |
264 | 27, 6, 55, 39, 40, 11, 25, 34, 4, 46, 26, 13, |
265 | 7, 29, 23, 17, 42, 50, 8, 30, 35, 43, 24, 14, |
266 | 31, 41, 52, 19, 32, 54, 45, 18, 5, 20, 53, 33, |
267 | 49, 10, 21, 22, 16, 44, 28, 0, 51, 15, 2, 36, |
268 | }; |
269 | |
270 | static const u8 parity[] = { |
271 | 8,1,0,8,0,8,8,0,0,8,8,0,8,0,2,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,3, |
272 | 0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8, |
273 | 0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8, |
274 | 8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0, |
275 | 0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8, |
276 | 8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0, |
277 | 8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0, |
278 | 4,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,5,0,8,0,8,8,0,0,8,8,0,8,0,6,8, |
279 | }; |
280 | |
281 | |
282 | static void des_small_fips_encrypt(u32 *expkey, u8 *dst, const u8 *src) |
283 | { |
284 | u32 x, y, z; |
285 | |
286 | x = src[7]; |
287 | x <<= 8; |
288 | x |= src[6]; |
289 | x <<= 8; |
290 | x |= src[5]; |
291 | x <<= 8; |
292 | x |= src[4]; |
293 | y = src[3]; |
294 | y <<= 8; |
295 | y |= src[2]; |
296 | y <<= 8; |
297 | y |= src[1]; |
298 | y <<= 8; |
299 | y |= src[0]; |
300 | z = ((x >> 004) ^ y) & 0x0F0F0F0FL; |
301 | x ^= z << 004; |
302 | y ^= z; |
303 | z = ((y >> 020) ^ x) & 0x0000FFFFL; |
304 | y ^= z << 020; |
305 | x ^= z; |
306 | z = ((x >> 002) ^ y) & 0x33333333L; |
307 | x ^= z << 002; |
308 | y ^= z; |
309 | z = ((y >> 010) ^ x) & 0x00FF00FFL; |
310 | y ^= z << 010; |
311 | x ^= z; |
312 | x = x >> 1 | x << 31; |
313 | z = (x ^ y) & 0x55555555L; |
314 | y ^= z; |
315 | x ^= z; |
316 | y = y >> 1 | y << 31; |
317 | z = expkey[0]; |
318 | z ^= y; |
319 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
320 | z >>= 8; |
321 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
322 | z >>= 8; |
323 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
324 | z >>= 8; |
325 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
326 | z = expkey[1]; |
327 | z ^= y; |
328 | z = z << 4 | z >> 28; |
329 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
330 | z >>= 8; |
331 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
332 | z >>= 8; |
333 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
334 | z >>= 8; |
335 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
336 | z = expkey[2]; |
337 | z ^= x; |
338 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
339 | z >>= 8; |
340 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
341 | z >>= 8; |
342 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
343 | z >>= 8; |
344 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
345 | z = expkey[3]; |
346 | z ^= x; |
347 | z = z << 4 | z >> 28; |
348 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
349 | z >>= 8; |
350 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
351 | z >>= 8; |
352 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
353 | z >>= 8; |
354 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
355 | z = expkey[4]; |
356 | z ^= y; |
357 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
358 | z >>= 8; |
359 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
360 | z >>= 8; |
361 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
362 | z >>= 8; |
363 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
364 | z = expkey[5]; |
365 | z ^= y; |
366 | z = z << 4 | z >> 28; |
367 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
368 | z >>= 8; |
369 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
370 | z >>= 8; |
371 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
372 | z >>= 8; |
373 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
374 | z = expkey[6]; |
375 | z ^= x; |
376 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
377 | z >>= 8; |
378 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
379 | z >>= 8; |
380 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
381 | z >>= 8; |
382 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
383 | z = expkey[7]; |
384 | z ^= x; |
385 | z = z << 4 | z >> 28; |
386 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
387 | z >>= 8; |
388 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
389 | z >>= 8; |
390 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
391 | z >>= 8; |
392 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
393 | z = expkey[8]; |
394 | z ^= y; |
395 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
396 | z >>= 8; |
397 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
398 | z >>= 8; |
399 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
400 | z >>= 8; |
401 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
402 | z = expkey[9]; |
403 | z ^= y; |
404 | z = z << 4 | z >> 28; |
405 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
406 | z >>= 8; |
407 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
408 | z >>= 8; |
409 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
410 | z >>= 8; |
411 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
412 | z = expkey[10]; |
413 | z ^= x; |
414 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
415 | z >>= 8; |
416 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
417 | z >>= 8; |
418 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
419 | z >>= 8; |
420 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
421 | z = expkey[11]; |
422 | z ^= x; |
423 | z = z << 4 | z >> 28; |
424 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
425 | z >>= 8; |
426 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
427 | z >>= 8; |
428 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
429 | z >>= 8; |
430 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
431 | z = expkey[12]; |
432 | z ^= y; |
433 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
434 | z >>= 8; |
435 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
436 | z >>= 8; |
437 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
438 | z >>= 8; |
439 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
440 | z = expkey[13]; |
441 | z ^= y; |
442 | z = z << 4 | z >> 28; |
443 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
444 | z >>= 8; |
445 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
446 | z >>= 8; |
447 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
448 | z >>= 8; |
449 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
450 | z = expkey[14]; |
451 | z ^= x; |
452 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
453 | z >>= 8; |
454 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
455 | z >>= 8; |
456 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
457 | z >>= 8; |
458 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
459 | z = expkey[15]; |
460 | z ^= x; |
461 | z = z << 4 | z >> 28; |
462 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
463 | z >>= 8; |
464 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
465 | z >>= 8; |
466 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
467 | z >>= 8; |
468 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
469 | z = expkey[16]; |
470 | z ^= y; |
471 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
472 | z >>= 8; |
473 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
474 | z >>= 8; |
475 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
476 | z >>= 8; |
477 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
478 | z = expkey[17]; |
479 | z ^= y; |
480 | z = z << 4 | z >> 28; |
481 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
482 | z >>= 8; |
483 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
484 | z >>= 8; |
485 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
486 | z >>= 8; |
487 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
488 | z = expkey[18]; |
489 | z ^= x; |
490 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
491 | z >>= 8; |
492 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
493 | z >>= 8; |
494 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
495 | z >>= 8; |
496 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
497 | z = expkey[19]; |
498 | z ^= x; |
499 | z = z << 4 | z >> 28; |
500 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
501 | z >>= 8; |
502 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
503 | z >>= 8; |
504 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
505 | z >>= 8; |
506 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
507 | z = expkey[20]; |
508 | z ^= y; |
509 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
510 | z >>= 8; |
511 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
512 | z >>= 8; |
513 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
514 | z >>= 8; |
515 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
516 | z = expkey[21]; |
517 | z ^= y; |
518 | z = z << 4 | z >> 28; |
519 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
520 | z >>= 8; |
521 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
522 | z >>= 8; |
523 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
524 | z >>= 8; |
525 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
526 | z = expkey[22]; |
527 | z ^= x; |
528 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
529 | z >>= 8; |
530 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
531 | z >>= 8; |
532 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
533 | z >>= 8; |
534 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
535 | z = expkey[23]; |
536 | z ^= x; |
537 | z = z << 4 | z >> 28; |
538 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
539 | z >>= 8; |
540 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
541 | z >>= 8; |
542 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
543 | z >>= 8; |
544 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
545 | z = expkey[24]; |
546 | z ^= y; |
547 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
548 | z >>= 8; |
549 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
550 | z >>= 8; |
551 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
552 | z >>= 8; |
553 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
554 | z = expkey[25]; |
555 | z ^= y; |
556 | z = z << 4 | z >> 28; |
557 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
558 | z >>= 8; |
559 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
560 | z >>= 8; |
561 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
562 | z >>= 8; |
563 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
564 | z = expkey[26]; |
565 | z ^= x; |
566 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
567 | z >>= 8; |
568 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
569 | z >>= 8; |
570 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
571 | z >>= 8; |
572 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
573 | z = expkey[27]; |
574 | z ^= x; |
575 | z = z << 4 | z >> 28; |
576 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
577 | z >>= 8; |
578 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
579 | z >>= 8; |
580 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
581 | z >>= 8; |
582 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
583 | z = expkey[28]; |
584 | z ^= y; |
585 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
586 | z >>= 8; |
587 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
588 | z >>= 8; |
589 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
590 | z >>= 8; |
591 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
592 | z = expkey[29]; |
593 | z ^= y; |
594 | z = z << 4 | z >> 28; |
595 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
596 | z >>= 8; |
597 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
598 | z >>= 8; |
599 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
600 | z >>= 8; |
601 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
602 | z = expkey[30]; |
603 | z ^= x; |
604 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
605 | z >>= 8; |
606 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
607 | z >>= 8; |
608 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
609 | z >>= 8; |
610 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
611 | z = expkey[31]; |
612 | z ^= x; |
613 | z = z << 4 | z >> 28; |
614 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
615 | z >>= 8; |
616 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
617 | z >>= 8; |
618 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
619 | z >>= 8; |
620 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
621 | x = x << 1 | x >> 31; |
622 | z = (x ^ y) & 0x55555555L; |
623 | y ^= z; |
624 | x ^= z; |
625 | y = y << 1 | y >> 31; |
626 | z = ((x >> 010) ^ y) & 0x00FF00FFL; |
627 | x ^= z << 010; |
628 | y ^= z; |
629 | z = ((y >> 002) ^ x) & 0x33333333L; |
630 | y ^= z << 002; |
631 | x ^= z; |
632 | z = ((x >> 020) ^ y) & 0x0000FFFFL; |
633 | x ^= z << 020; |
634 | y ^= z; |
635 | z = ((y >> 004) ^ x) & 0x0F0F0F0FL; |
636 | y ^= z << 004; |
637 | x ^= z; |
638 | dst[0] = x; |
639 | x >>= 8; |
640 | dst[1] = x; |
641 | x >>= 8; |
642 | dst[2] = x; |
643 | x >>= 8; |
644 | dst[3] = x; |
645 | dst[4] = y; |
646 | y >>= 8; |
647 | dst[5] = y; |
648 | y >>= 8; |
649 | dst[6] = y; |
650 | y >>= 8; |
651 | dst[7] = y; |
652 | } |
653 | |
654 | static void des_small_fips_decrypt(u32 *expkey, u8 *dst, const u8 *src) |
655 | { |
656 | u32 x, y, z; |
657 | |
658 | x = src[7]; |
659 | x <<= 8; |
660 | x |= src[6]; |
661 | x <<= 8; |
662 | x |= src[5]; |
663 | x <<= 8; |
664 | x |= src[4]; |
665 | y = src[3]; |
666 | y <<= 8; |
667 | y |= src[2]; |
668 | y <<= 8; |
669 | y |= src[1]; |
670 | y <<= 8; |
671 | y |= src[0]; |
672 | z = ((x >> 004) ^ y) & 0x0F0F0F0FL; |
673 | x ^= z << 004; |
674 | y ^= z; |
675 | z = ((y >> 020) ^ x) & 0x0000FFFFL; |
676 | y ^= z << 020; |
677 | x ^= z; |
678 | z = ((x >> 002) ^ y) & 0x33333333L; |
679 | x ^= z << 002; |
680 | y ^= z; |
681 | z = ((y >> 010) ^ x) & 0x00FF00FFL; |
682 | y ^= z << 010; |
683 | x ^= z; |
684 | x = x >> 1 | x << 31; |
685 | z = (x ^ y) & 0x55555555L; |
686 | y ^= z; |
687 | x ^= z; |
688 | y = y >> 1 | y << 31; |
689 | z = expkey[31]; |
690 | z ^= y; |
691 | z = z << 4 | z >> 28; |
692 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
693 | z >>= 8; |
694 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
695 | z >>= 8; |
696 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
697 | z >>= 8; |
698 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
699 | z = expkey[30]; |
700 | z ^= y; |
701 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
702 | z >>= 8; |
703 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
704 | z >>= 8; |
705 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
706 | z >>= 8; |
707 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
708 | z = expkey[29]; |
709 | z ^= x; |
710 | z = z << 4 | z >> 28; |
711 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
712 | z >>= 8; |
713 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
714 | z >>= 8; |
715 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
716 | z >>= 8; |
717 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
718 | z = expkey[28]; |
719 | z ^= x; |
720 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
721 | z >>= 8; |
722 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
723 | z >>= 8; |
724 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
725 | z >>= 8; |
726 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
727 | z = expkey[27]; |
728 | z ^= y; |
729 | z = z << 4 | z >> 28; |
730 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
731 | z >>= 8; |
732 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
733 | z >>= 8; |
734 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
735 | z >>= 8; |
736 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
737 | z = expkey[26]; |
738 | z ^= y; |
739 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
740 | z >>= 8; |
741 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
742 | z >>= 8; |
743 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
744 | z >>= 8; |
745 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
746 | z = expkey[25]; |
747 | z ^= x; |
748 | z = z << 4 | z >> 28; |
749 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
750 | z >>= 8; |
751 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
752 | z >>= 8; |
753 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
754 | z >>= 8; |
755 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
756 | z = expkey[24]; |
757 | z ^= x; |
758 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
759 | z >>= 8; |
760 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
761 | z >>= 8; |
762 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
763 | z >>= 8; |
764 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
765 | z = expkey[23]; |
766 | z ^= y; |
767 | z = z << 4 | z >> 28; |
768 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
769 | z >>= 8; |
770 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
771 | z >>= 8; |
772 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
773 | z >>= 8; |
774 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
775 | z = expkey[22]; |
776 | z ^= y; |
777 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
778 | z >>= 8; |
779 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
780 | z >>= 8; |
781 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
782 | z >>= 8; |
783 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
784 | z = expkey[21]; |
785 | z ^= x; |
786 | z = z << 4 | z >> 28; |
787 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
788 | z >>= 8; |
789 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
790 | z >>= 8; |
791 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
792 | z >>= 8; |
793 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
794 | z = expkey[20]; |
795 | z ^= x; |
796 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
797 | z >>= 8; |
798 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
799 | z >>= 8; |
800 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
801 | z >>= 8; |
802 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
803 | z = expkey[19]; |
804 | z ^= y; |
805 | z = z << 4 | z >> 28; |
806 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
807 | z >>= 8; |
808 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
809 | z >>= 8; |
810 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
811 | z >>= 8; |
812 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
813 | z = expkey[18]; |
814 | z ^= y; |
815 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
816 | z >>= 8; |
817 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
818 | z >>= 8; |
819 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
820 | z >>= 8; |
821 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
822 | z = expkey[17]; |
823 | z ^= x; |
824 | z = z << 4 | z >> 28; |
825 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
826 | z >>= 8; |
827 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
828 | z >>= 8; |
829 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
830 | z >>= 8; |
831 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
832 | z = expkey[16]; |
833 | z ^= x; |
834 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
835 | z >>= 8; |
836 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
837 | z >>= 8; |
838 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
839 | z >>= 8; |
840 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
841 | z = expkey[15]; |
842 | z ^= y; |
843 | z = z << 4 | z >> 28; |
844 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
845 | z >>= 8; |
846 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
847 | z >>= 8; |
848 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
849 | z >>= 8; |
850 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
851 | z = expkey[14]; |
852 | z ^= y; |
853 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
854 | z >>= 8; |
855 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
856 | z >>= 8; |
857 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
858 | z >>= 8; |
859 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
860 | z = expkey[13]; |
861 | z ^= x; |
862 | z = z << 4 | z >> 28; |
863 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
864 | z >>= 8; |
865 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
866 | z >>= 8; |
867 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
868 | z >>= 8; |
869 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
870 | z = expkey[12]; |
871 | z ^= x; |
872 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
873 | z >>= 8; |
874 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
875 | z >>= 8; |
876 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
877 | z >>= 8; |
878 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
879 | z = expkey[11]; |
880 | z ^= y; |
881 | z = z << 4 | z >> 28; |
882 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
883 | z >>= 8; |
884 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
885 | z >>= 8; |
886 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
887 | z >>= 8; |
888 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
889 | z = expkey[10]; |
890 | z ^= y; |
891 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
892 | z >>= 8; |
893 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
894 | z >>= 8; |
895 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
896 | z >>= 8; |
897 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
898 | z = expkey[9]; |
899 | z ^= x; |
900 | z = z << 4 | z >> 28; |
901 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
902 | z >>= 8; |
903 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
904 | z >>= 8; |
905 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
906 | z >>= 8; |
907 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
908 | z = expkey[8]; |
909 | z ^= x; |
910 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
911 | z >>= 8; |
912 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
913 | z >>= 8; |
914 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
915 | z >>= 8; |
916 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
917 | z = expkey[7]; |
918 | z ^= y; |
919 | z = z << 4 | z >> 28; |
920 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
921 | z >>= 8; |
922 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
923 | z >>= 8; |
924 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
925 | z >>= 8; |
926 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
927 | z = expkey[6]; |
928 | z ^= y; |
929 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
930 | z >>= 8; |
931 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
932 | z >>= 8; |
933 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
934 | z >>= 8; |
935 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
936 | z = expkey[5]; |
937 | z ^= x; |
938 | z = z << 4 | z >> 28; |
939 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
940 | z >>= 8; |
941 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
942 | z >>= 8; |
943 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
944 | z >>= 8; |
945 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
946 | z = expkey[4]; |
947 | z ^= x; |
948 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
949 | z >>= 8; |
950 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
951 | z >>= 8; |
952 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
953 | z >>= 8; |
954 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
955 | z = expkey[3]; |
956 | z ^= y; |
957 | z = z << 4 | z >> 28; |
958 | x ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
959 | z >>= 8; |
960 | x ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
961 | z >>= 8; |
962 | x ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
963 | z >>= 8; |
964 | x ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
965 | z = expkey[2]; |
966 | z ^= y; |
967 | x ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
968 | z >>= 8; |
969 | x ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
970 | z >>= 8; |
971 | x ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
972 | z >>= 8; |
973 | x ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
974 | z = expkey[1]; |
975 | z ^= x; |
976 | z = z << 4 | z >> 28; |
977 | y ^= * (u32 *) ((u8 *) (des_keymap + 448) + (0xFC & z)); |
978 | z >>= 8; |
979 | y ^= * (u32 *) ((u8 *) (des_keymap + 384) + (0xFC & z)); |
980 | z >>= 8; |
981 | y ^= * (u32 *) ((u8 *) (des_keymap + 320) + (0xFC & z)); |
982 | z >>= 8; |
983 | y ^= * (u32 *) ((u8 *) (des_keymap + 256) + (0xFC & z)); |
984 | z = expkey[0]; |
985 | z ^= x; |
986 | y ^= * (u32 *) ((u8 *) (des_keymap + 192) + (0xFC & z)); |
987 | z >>= 8; |
988 | y ^= * (u32 *) ((u8 *) (des_keymap + 128) + (0xFC & z)); |
989 | z >>= 8; |
990 | y ^= * (u32 *) ((u8 *) (des_keymap + 64) + (0xFC & z)); |
991 | z >>= 8; |
992 | y ^= * (u32 *) ((u8 *) des_keymap + (0xFC & z)); |
993 | x = x << 1 | x >> 31; |
994 | z = (x ^ y) & 0x55555555L; |
995 | y ^= z; |
996 | x ^= z; |
997 | y = y << 1 | y >> 31; |
998 | z = ((x >> 010) ^ y) & 0x00FF00FFL; |
999 | x ^= z << 010; |
1000 | y ^= z; |
1001 | z = ((y >> 002) ^ x) & 0x33333333L; |
1002 | y ^= z << 002; |
1003 | x ^= z; |
1004 | z = ((x >> 020) ^ y) & 0x0000FFFFL; |
1005 | x ^= z << 020; |
1006 | y ^= z; |
1007 | z = ((y >> 004) ^ x) & 0x0F0F0F0FL; |
1008 | y ^= z << 004; |
1009 | x ^= z; |
1010 | dst[0] = x; |
1011 | x >>= 8; |
1012 | dst[1] = x; |
1013 | x >>= 8; |
1014 | dst[2] = x; |
1015 | x >>= 8; |
1016 | dst[3] = x; |
1017 | dst[4] = y; |
1018 | y >>= 8; |
1019 | dst[5] = y; |
1020 | y >>= 8; |
1021 | dst[6] = y; |
1022 | y >>= 8; |
1023 | dst[7] = y; |
1024 | } |
1025 | |
1026 | /* |
1027 | * RFC2451: Weak key checks SHOULD be performed. |
1028 | */ |
1029 | static int setkey(u32 *expkey, const u8 *key, unsigned int keylen, u32 *flags) |
1030 | { |
1031 | const u8 *k; |
1032 | u8 *b0, *b1; |
1033 | u32 n, w; |
1034 | u8 bits0[56], bits1[56]; |
1035 | |
1036 | n = parity[key[0]]; n <<= 4; |
1037 | n |= parity[key[1]]; n <<= 4; |
1038 | n |= parity[key[2]]; n <<= 4; |
1039 | n |= parity[key[3]]; n <<= 4; |
1040 | n |= parity[key[4]]; n <<= 4; |
1041 | n |= parity[key[5]]; n <<= 4; |
1042 | n |= parity[key[6]]; n <<= 4; |
1043 | n |= parity[key[7]]; |
1044 | w = 0x88888888L; |
1045 | |
1046 | if ((*flags & CRYPTO_TFM_REQ_WEAK_KEY) |
1047 | && !((n - (w >> 3)) & w)) { /* 1 in 10^10 keys passes this test */ |
1048 | if (n < 0x41415151) { |
1049 | if (n < 0x31312121) { |
1050 | if (n < 0x14141515) { |
1051 | /* 01 01 01 01 01 01 01 01 */ |
1052 | if (n == 0x11111111) goto weak; |
1053 | /* 01 1F 01 1F 01 0E 01 0E */ |
1054 | if (n == 0x13131212) goto weak; |
1055 | } else { |
1056 | /* 01 E0 01 E0 01 F1 01 F1 */ |
1057 | if (n == 0x14141515) goto weak; |
1058 | /* 01 FE 01 FE 01 FE 01 FE */ |
1059 | if (n == 0x16161616) goto weak; |
1060 | } |
1061 | } else { |
1062 | if (n < 0x34342525) { |
1063 | /* 1F 01 1F 01 0E 01 0E 01 */ |
1064 | if (n == 0x31312121) goto weak; |
1065 | /* 1F 1F 1F 1F 0E 0E 0E 0E (?) */ |
1066 | if (n == 0x33332222) goto weak; |
1067 | } else { |
1068 | /* 1F E0 1F E0 0E F1 0E F1 */ |
1069 | if (n == 0x34342525) goto weak; |
1070 | /* 1F FE 1F FE 0E FE 0E FE */ |
1071 | if (n == 0x36362626) goto weak; |
1072 | } |
1073 | } |
1074 | } else { |
1075 | if (n < 0x61616161) { |
1076 | if (n < 0x44445555) { |
1077 | /* E0 01 E0 01 F1 01 F1 01 */ |
1078 | if (n == 0x41415151) goto weak; |
1079 | /* E0 1F E0 1F F1 0E F1 0E */ |
1080 | if (n == 0x43435252) goto weak; |
1081 | } else { |
1082 | /* E0 E0 E0 E0 F1 F1 F1 F1 (?) */ |
1083 | if (n == 0x44445555) goto weak; |
1084 | /* E0 FE E0 FE F1 FE F1 FE */ |
1085 | if (n == 0x46465656) goto weak; |
1086 | } |
1087 | } else { |
1088 | if (n < 0x64646565) { |
1089 | /* FE 01 FE 01 FE 01 FE 01 */ |
1090 | if (n == 0x61616161) goto weak; |
1091 | /* FE 1F FE 1F FE 0E FE 0E */ |
1092 | if (n == 0x63636262) goto weak; |
1093 | } else { |
1094 | /* FE E0 FE E0 FE F1 FE F1 */ |
1095 | if (n == 0x64646565) goto weak; |
1096 | /* FE FE FE FE FE FE FE FE */ |
1097 | if (n == 0x66666666) goto weak; |
1098 | } |
1099 | } |
1100 | } |
1101 | |
1102 | goto not_weak; |
1103 | weak: |
1104 | *flags |= CRYPTO_TFM_RES_WEAK_KEY; |
1105 | return -EINVAL; |
1106 | } |
1107 | |
1108 | not_weak: |
1109 | |
1110 | /* explode the bits */ |
1111 | n = 56; |
1112 | b0 = bits0; |
1113 | b1 = bits1; |
1114 | |
1115 | do { |
1116 | w = (256 | *key++) << 2; |
1117 | do { |
1118 | --n; |
1119 | b1[n] = 8 & w; |
1120 | w >>= 1; |
1121 | b0[n] = 4 & w; |
1122 | } while ( w >= 16 ); |
1123 | } while ( n ); |
1124 | |
1125 | /* put the bits in the correct places */ |
1126 | n = 16; |
1127 | k = rotors; |
1128 | |
1129 | do { |
1130 | w = (b1[k[ 0 ]] | b0[k[ 1 ]]) << 4; |
1131 | w |= (b1[k[ 2 ]] | b0[k[ 3 ]]) << 2; |
1132 | w |= b1[k[ 4 ]] | b0[k[ 5 ]]; |
1133 | w <<= 8; |
1134 | w |= (b1[k[ 6 ]] | b0[k[ 7 ]]) << 4; |
1135 | w |= (b1[k[ 8 ]] | b0[k[ 9 ]]) << 2; |
1136 | w |= b1[k[10 ]] | b0[k[11 ]]; |
1137 | w <<= 8; |
1138 | w |= (b1[k[12 ]] | b0[k[13 ]]) << 4; |
1139 | w |= (b1[k[14 ]] | b0[k[15 ]]) << 2; |
1140 | w |= b1[k[16 ]] | b0[k[17 ]]; |
1141 | w <<= 8; |
1142 | w |= (b1[k[18 ]] | b0[k[19 ]]) << 4; |
1143 | w |= (b1[k[20 ]] | b0[k[21 ]]) << 2; |
1144 | w |= b1[k[22 ]] | b0[k[23 ]]; |
1145 | expkey[0] = w; |
1146 | |
1147 | w = (b1[k[ 0+24]] | b0[k[ 1+24]]) << 4; |
1148 | w |= (b1[k[ 2+24]] | b0[k[ 3+24]]) << 2; |
1149 | w |= b1[k[ 4+24]] | b0[k[ 5+24]]; |
1150 | w <<= 8; |
1151 | w |= (b1[k[ 6+24]] | b0[k[ 7+24]]) << 4; |
1152 | w |= (b1[k[ 8+24]] | b0[k[ 9+24]]) << 2; |
1153 | w |= b1[k[10+24]] | b0[k[11+24]]; |
1154 | w <<= 8; |
1155 | w |= (b1[k[12+24]] | b0[k[13+24]]) << 4; |
1156 | w |= (b1[k[14+24]] | b0[k[15+24]]) << 2; |
1157 | w |= b1[k[16+24]] | b0[k[17+24]]; |
1158 | w <<= 8; |
1159 | w |= (b1[k[18+24]] | b0[k[19+24]]) << 4; |
1160 | w |= (b1[k[20+24]] | b0[k[21+24]]) << 2; |
1161 | w |= b1[k[22+24]] | b0[k[23+24]]; |
1162 | |
1163 | ROR(w, 4, 28); /* could be eliminated */ |
1164 | expkey[1] = w; |
1165 | |
1166 | k += 48; |
1167 | expkey += 2; |
1168 | } while (--n); |
1169 | |
1170 | return 0; |
1171 | } |
1172 | |
1173 | static int des_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags) |
1174 | { |
1175 | return setkey(((struct des_ctx *)ctx)->expkey, key, keylen, flags); |
1176 | } |
1177 | |
1178 | static void des_encrypt(void *ctx, u8 *dst, const u8 *src) |
1179 | { |
1180 | des_small_fips_encrypt(((struct des_ctx *)ctx)->expkey, dst, src); |
1181 | } |
1182 | |
1183 | static void des_decrypt(void *ctx, u8 *dst, const u8 *src) |
1184 | { |
1185 | des_small_fips_decrypt(((struct des_ctx *)ctx)->expkey, dst, src); |
1186 | } |
1187 | |
1188 | /* |
1189 | * RFC2451: |
1190 | * |
1191 | * For DES-EDE3, there is no known need to reject weak or |
1192 | * complementation keys. Any weakness is obviated by the use of |
1193 | * multiple keys. |
1194 | * |
1195 | * However, if the first two or last two independent 64-bit keys are |
1196 | * equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the |
1197 | * same as DES. Implementers MUST reject keys that exhibit this |
1198 | * property. |
1199 | * |
1200 | */ |
1201 | static int des3_ede_setkey(void *ctx, const u8 *key, |
1202 | unsigned int keylen, u32 *flags) |
1203 | { |
1204 | unsigned int i, off; |
1205 | struct des3_ede_ctx *dctx = ctx; |
1206 | |
1207 | if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) && |
1208 | memcmp(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2], |
1209 | DES_KEY_SIZE))) { |
1210 | |
1211 | *flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED; |
1212 | return -EINVAL; |
1213 | } |
1214 | |
1215 | for (i = 0, off = 0; i < 3; i++, off += DES_EXPKEY_WORDS, |
1216 | key += DES_KEY_SIZE) { |
1217 | int ret = setkey(&dctx->expkey[off], key, DES_KEY_SIZE, flags); |
1218 | if (ret < 0) |
1219 | return ret; |
1220 | } |
1221 | return 0; |
1222 | } |
1223 | |
1224 | static void des3_ede_encrypt(void *ctx, u8 *dst, const u8 *src) |
1225 | { |
1226 | struct des3_ede_ctx *dctx = ctx; |
1227 | |
1228 | des_small_fips_encrypt(dctx->expkey, dst, src); |
1229 | des_small_fips_decrypt(&dctx->expkey[DES_EXPKEY_WORDS], dst, dst); |
1230 | des_small_fips_encrypt(&dctx->expkey[DES_EXPKEY_WORDS * 2], dst, dst); |
1231 | } |
1232 | |
1233 | static void des3_ede_decrypt(void *ctx, u8 *dst, const u8 *src) |
1234 | { |
1235 | struct des3_ede_ctx *dctx = ctx; |
1236 | |
1237 | des_small_fips_decrypt(&dctx->expkey[DES_EXPKEY_WORDS * 2], dst, src); |
1238 | des_small_fips_encrypt(&dctx->expkey[DES_EXPKEY_WORDS], dst, dst); |
1239 | des_small_fips_decrypt(dctx->expkey, dst, dst); |
1240 | } |
1241 | |
1242 | static struct crypto_alg des_alg = { |
1243 | .cra_name = "des", |
1244 | .cra_flags = CRYPTO_ALG_TYPE_CIPHER, |
1245 | .cra_blocksize = DES_BLOCK_SIZE, |
1246 | .cra_ctxsize = sizeof(struct des_ctx), |
1247 | .cra_module = THIS_MODULE, |
1248 | .cra_list = LIST_HEAD_INIT(des_alg.cra_list), |
1249 | .cra_u = { .cipher = { |
1250 | .cia_min_keysize = DES_KEY_SIZE, |
1251 | .cia_max_keysize = DES_KEY_SIZE, |
1252 | .cia_setkey = des_setkey, |
1253 | .cia_encrypt = des_encrypt, |
1254 | .cia_decrypt = des_decrypt } } |
1255 | }; |
1256 | |
1257 | static struct crypto_alg des3_ede_alg = { |
1258 | .cra_name = "des3_ede", |
1259 | .cra_flags = CRYPTO_ALG_TYPE_CIPHER, |
1260 | .cra_blocksize = DES3_EDE_BLOCK_SIZE, |
1261 | .cra_ctxsize = sizeof(struct des3_ede_ctx), |
1262 | .cra_module = THIS_MODULE, |
1263 | .cra_list = LIST_HEAD_INIT(des3_ede_alg.cra_list), |
1264 | .cra_u = { .cipher = { |
1265 | .cia_min_keysize = DES3_EDE_KEY_SIZE, |
1266 | .cia_max_keysize = DES3_EDE_KEY_SIZE, |
1267 | .cia_setkey = des3_ede_setkey, |
1268 | .cia_encrypt = des3_ede_encrypt, |
1269 | .cia_decrypt = des3_ede_decrypt } } |
1270 | }; |
1271 | |
1272 | MODULE_ALIAS("des3_ede"); |
1273 | |
1274 | static int __init init(void) |
1275 | { |
1276 | int ret = 0; |
1277 | |
1278 | ret = crypto_register_alg(&des_alg); |
1279 | if (ret < 0) |
1280 | goto out; |
1281 | |
1282 | ret = crypto_register_alg(&des3_ede_alg); |
1283 | if (ret < 0) |
1284 | crypto_unregister_alg(&des_alg); |
1285 | out: |
1286 | return ret; |
1287 | } |
1288 | |
1289 | static void __exit fini(void) |
1290 | { |
1291 | crypto_unregister_alg(&des3_ede_alg); |
1292 | crypto_unregister_alg(&des_alg); |
1293 | } |
1294 | |
1295 | module_init(init); |
1296 | module_exit(fini); |
1297 | |
1298 | MODULE_LICENSE("GPL"); |
1299 | MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms"); |