1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25 /*
26 * Copyright 2015 by Saso Kiselkov. All rights reserved.
27 */
28
29 #include <sys/types.h>
30 #include <sys/systm.h>
31 #include <sys/ddi.h>
32 #include <sys/sysmacros.h>
33 #include <sys/strsun.h>
34 #include <sys/crypto/spi.h>
35 #include <modes/modes.h>
36 #include <sys/crypto/common.h>
37 #include "des_impl.h"
38 #ifndef _KERNEL
39 #include <strings.h>
40 #include <stdlib.h>
41 #endif /* !_KERNEL */
42
43 #if defined(__i386) || defined(__amd64)
44 #include <sys/byteorder.h>
45 #define UNALIGNED_POINTERS_PERMITTED
46 #endif
47
48 typedef struct keysched_s {
49 uint64_t ksch_encrypt[16];
50 uint64_t ksch_decrypt[16];
51 } keysched_t;
52
53 typedef struct keysched3_s {
54 uint64_t ksch_encrypt[48];
55 uint64_t ksch_decrypt[48];
56 } keysched3_t;
57
58 static void fix_des_parity(uint64_t *);
59
60 #ifndef sun4u
61
62 static const uint64_t sbox_table[8][64]=
63 {
64 /* BEGIN CSTYLED */
65 {
66 0x0000140140020000ULL, 0x0000000000000000ULL, 0x0000000140000000ULL, 0x0000140140020020ULL,
67 0x0000140140000020ULL, 0x0000000140020020ULL, 0x0000000000000020ULL, 0x0000000140000000ULL,
68 0x0000000000020000ULL, 0x0000140140020000ULL, 0x0000140140020020ULL, 0x0000000000020000ULL,
69 0x0000140000020020ULL, 0x0000140140000020ULL, 0x0000140000000000ULL, 0x0000000000000020ULL,
70 0x0000000000020020ULL, 0x0000140000020000ULL, 0x0000140000020000ULL, 0x0000000140020000ULL,
71 0x0000000140020000ULL, 0x0000140140000000ULL, 0x0000140140000000ULL, 0x0000140000020020ULL,
72 0x0000000140000020ULL, 0x0000140000000020ULL, 0x0000140000000020ULL, 0x0000000140000020ULL,
73 0x0000000000000000ULL, 0x0000000000020020ULL, 0x0000000140020020ULL, 0x0000140000000000ULL,
74 0x0000000140000000ULL, 0x0000140140020020ULL, 0x0000000000000020ULL, 0x0000140140000000ULL,
75 0x0000140140020000ULL, 0x0000140000000000ULL, 0x0000140000000000ULL, 0x0000000000020000ULL,
76 0x0000140140000020ULL, 0x0000000140000000ULL, 0x0000000140020000ULL, 0x0000140000000020ULL,
77 0x0000000000020000ULL, 0x0000000000000020ULL, 0x0000140000020020ULL, 0x0000000140020020ULL,
78 0x0000140140020020ULL, 0x0000000140000020ULL, 0x0000140140000000ULL, 0x0000140000020020ULL,
79 0x0000140000000020ULL, 0x0000000000020020ULL, 0x0000000140020020ULL, 0x0000140140020000ULL,
80 0x0000000000020020ULL, 0x0000140000020000ULL, 0x0000140000020000ULL, 0x0000000000000000ULL,
81 0x0000000140000020ULL, 0x0000000140020000ULL, 0x0000000000000000ULL, 0x0000140140000020ULL
82 },
83 {
84 0x2000005020000500ULL, 0x2000000020000000ULL, 0x0000000020000000ULL, 0x0000005020000500ULL,
85 0x0000005000000000ULL, 0x0000000000000500ULL, 0x2000005000000500ULL, 0x2000000020000500ULL,
86 0x2000000000000500ULL, 0x2000005020000500ULL, 0x2000005020000000ULL, 0x2000000000000000ULL,
87 0x2000000020000000ULL, 0x0000005000000000ULL, 0x0000000000000500ULL, 0x2000005000000500ULL,
88 0x0000005020000000ULL, 0x0000005000000500ULL, 0x2000000020000500ULL, 0x0000000000000000ULL,
89 0x2000000000000000ULL, 0x0000000020000000ULL, 0x0000005020000500ULL, 0x2000005000000000ULL,
90 0x0000005000000500ULL, 0x2000000000000500ULL, 0x0000000000000000ULL, 0x0000005020000000ULL,
91 0x0000000020000500ULL, 0x2000005020000000ULL, 0x2000005000000000ULL, 0x0000000020000500ULL,
92 0x0000000000000000ULL, 0x0000005020000500ULL, 0x2000005000000500ULL, 0x0000005000000000ULL,
93 0x2000000020000500ULL, 0x2000005000000000ULL, 0x2000005020000000ULL, 0x0000000020000000ULL,
94 0x2000005000000000ULL, 0x2000000020000000ULL, 0x0000000000000500ULL, 0x2000005020000500ULL,
95 0x0000005020000500ULL, 0x0000000000000500ULL, 0x0000000020000000ULL, 0x2000000000000000ULL,
96 0x0000000020000500ULL, 0x2000005020000000ULL, 0x0000005000000000ULL, 0x2000000000000500ULL,
97 0x0000005000000500ULL, 0x2000000020000500ULL, 0x2000000000000500ULL, 0x0000005000000500ULL,
98 0x0000005020000000ULL, 0x0000000000000000ULL, 0x2000000020000000ULL, 0x0000000020000500ULL,
99 0x2000000000000000ULL, 0x2000005000000500ULL, 0x2000005020000500ULL, 0x0000005020000000ULL
100 },
101 {
102 0x0000000000014040ULL, 0x0000800280014000ULL, 0x0000000000000000ULL, 0x0000800280000040ULL,
103 0x0000800000014000ULL, 0x0000000000000000ULL, 0x0000000280014040ULL, 0x0000800000014000ULL,
104 0x0000000280000040ULL, 0x0000800000000040ULL, 0x0000800000000040ULL, 0x0000000280000000ULL,
105 0x0000800280014040ULL, 0x0000000280000040ULL, 0x0000800280000000ULL, 0x0000000000014040ULL,
106 0x0000800000000000ULL, 0x0000000000000040ULL, 0x0000800280014000ULL, 0x0000000000014000ULL,
107 0x0000000280014000ULL, 0x0000800280000000ULL, 0x0000800280000040ULL, 0x0000000280014040ULL,
108 0x0000800000014040ULL, 0x0000000280014000ULL, 0x0000000280000000ULL, 0x0000800000014040ULL,
109 0x0000000000000040ULL, 0x0000800280014040ULL, 0x0000000000014000ULL, 0x0000800000000000ULL,
110 0x0000800280014000ULL, 0x0000800000000000ULL, 0x0000000280000040ULL, 0x0000000000014040ULL,
111 0x0000000280000000ULL, 0x0000800280014000ULL, 0x0000800000014000ULL, 0x0000000000000000ULL,
112 0x0000000000014000ULL, 0x0000000280000040ULL, 0x0000800280014040ULL, 0x0000800000014000ULL,
113 0x0000800000000040ULL, 0x0000000000014000ULL, 0x0000000000000000ULL, 0x0000800280000040ULL,
114 0x0000800000014040ULL, 0x0000000280000000ULL, 0x0000800000000000ULL, 0x0000800280014040ULL,
115 0x0000000000000040ULL, 0x0000000280014040ULL, 0x0000000280014000ULL, 0x0000800000000040ULL,
116 0x0000800280000000ULL, 0x0000800000014040ULL, 0x0000000000014040ULL, 0x0000800280000000ULL,
117 0x0000000280014040ULL, 0x0000000000000040ULL, 0x0000800280000040ULL, 0x0000000280014000ULL
118 },
119 {
120 0x4000020008100008ULL, 0x4000000008101008ULL, 0x4000000008101008ULL, 0x0000000000001000ULL,
121 0x0000020008101000ULL, 0x4000020000001008ULL, 0x4000020000000008ULL, 0x4000000008100008ULL,
122 0x0000000000000000ULL, 0x0000020008100000ULL, 0x0000020008100000ULL, 0x4000020008101008ULL,
123 0x4000000000001008ULL, 0x0000000000000000ULL, 0x0000020000001000ULL, 0x4000020000000008ULL,
124 0x4000000000000008ULL, 0x0000000008100000ULL, 0x0000020000000000ULL, 0x4000020008100008ULL,
125 0x0000000000001000ULL, 0x0000020000000000ULL, 0x4000000008100008ULL, 0x0000000008101000ULL,
126 0x4000020000001008ULL, 0x4000000000000008ULL, 0x0000000008101000ULL, 0x0000020000001000ULL,
127 0x0000000008100000ULL, 0x0000020008101000ULL, 0x4000020008101008ULL, 0x4000000000001008ULL,
128 0x0000020000001000ULL, 0x4000020000000008ULL, 0x0000020008100000ULL, 0x4000020008101008ULL,
129 0x4000000000001008ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000020008100000ULL,
130 0x0000000008101000ULL, 0x0000020000001000ULL, 0x4000020000001008ULL, 0x4000000000000008ULL,
131 0x4000020008100008ULL, 0x4000000008101008ULL, 0x4000000008101008ULL, 0x0000000000001000ULL,
132 0x4000020008101008ULL, 0x4000000000001008ULL, 0x4000000000000008ULL, 0x0000000008100000ULL,
133 0x4000020000000008ULL, 0x4000000008100008ULL, 0x0000020008101000ULL, 0x4000020000001008ULL,
134 0x4000000008100008ULL, 0x0000000008101000ULL, 0x0000020000000000ULL, 0x4000020008100008ULL,
135 0x0000000000001000ULL, 0x0000020000000000ULL, 0x0000000008100000ULL, 0x0000020008101000ULL
136 },
137 {
138 0x000000000000a000ULL, 0x000028080000a000ULL, 0x0000280800000000ULL, 0x100028000000a000ULL,
139 0x0000000800000000ULL, 0x000000000000a000ULL, 0x1000000000000000ULL, 0x0000280800000000ULL,
140 0x100000080000a000ULL, 0x0000000800000000ULL, 0x000028000000a000ULL, 0x100000080000a000ULL,
141 0x100028000000a000ULL, 0x1000280800000000ULL, 0x000000080000a000ULL, 0x1000000000000000ULL,
142 0x0000280000000000ULL, 0x1000000800000000ULL, 0x1000000800000000ULL, 0x0000000000000000ULL,
143 0x100000000000a000ULL, 0x100028080000a000ULL, 0x100028080000a000ULL, 0x000028000000a000ULL,
144 0x1000280800000000ULL, 0x100000000000a000ULL, 0x0000000000000000ULL, 0x1000280000000000ULL,
145 0x000028080000a000ULL, 0x0000280000000000ULL, 0x1000280000000000ULL, 0x000000080000a000ULL,
146 0x0000000800000000ULL, 0x100028000000a000ULL, 0x000000000000a000ULL, 0x0000280000000000ULL,
147 0x1000000000000000ULL, 0x0000280800000000ULL, 0x100028000000a000ULL, 0x100000080000a000ULL,
148 0x000028000000a000ULL, 0x1000000000000000ULL, 0x1000280800000000ULL, 0x000028080000a000ULL,
149 0x100000080000a000ULL, 0x000000000000a000ULL, 0x0000280000000000ULL, 0x1000280800000000ULL,
150 0x100028080000a000ULL, 0x000000080000a000ULL, 0x1000280000000000ULL, 0x100028080000a000ULL,
151 0x0000280800000000ULL, 0x0000000000000000ULL, 0x1000000800000000ULL, 0x1000280000000000ULL,
152 0x000000080000a000ULL, 0x000028000000a000ULL, 0x100000000000a000ULL, 0x0000000800000000ULL,
153 0x0000000000000000ULL, 0x1000000800000000ULL, 0x000028080000a000ULL, 0x100000000000a000ULL
154 },
155 {
156 0x0802000000000280ULL, 0x0802010000000000ULL, 0x0000000010000000ULL, 0x0802010010000280ULL,
157 0x0802010000000000ULL, 0x0000000000000280ULL, 0x0802010010000280ULL, 0x0000010000000000ULL,
158 0x0802000010000000ULL, 0x0000010010000280ULL, 0x0000010000000000ULL, 0x0802000000000280ULL,
159 0x0000010000000280ULL, 0x0802000010000000ULL, 0x0802000000000000ULL, 0x0000000010000280ULL,
160 0x0000000000000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL, 0x0000000010000000ULL,
161 0x0000010010000000ULL, 0x0802000010000280ULL, 0x0000000000000280ULL, 0x0802010000000280ULL,
162 0x0802010000000280ULL, 0x0000000000000000ULL, 0x0000010010000280ULL, 0x0802010010000000ULL,
163 0x0000000010000280ULL, 0x0000010010000000ULL, 0x0802010010000000ULL, 0x0802000000000000ULL,
164 0x0802000010000000ULL, 0x0000000000000280ULL, 0x0802010000000280ULL, 0x0000010010000000ULL,
165 0x0802010010000280ULL, 0x0000010000000000ULL, 0x0000000010000280ULL, 0x0802000000000280ULL,
166 0x0000010000000000ULL, 0x0802000010000000ULL, 0x0802000000000000ULL, 0x0000000010000280ULL,
167 0x0802000000000280ULL, 0x0802010010000280ULL, 0x0000010010000000ULL, 0x0802010000000000ULL,
168 0x0000010010000280ULL, 0x0802010010000000ULL, 0x0000000000000000ULL, 0x0802010000000280ULL,
169 0x0000000000000280ULL, 0x0000000010000000ULL, 0x0802010000000000ULL, 0x0000010010000280ULL,
170 0x0000000010000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL, 0x0000000000000000ULL,
171 0x0802010010000000ULL, 0x0802000000000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL
172 },
173 {
174 0x000000a000000000ULL, 0x800040a000000010ULL, 0x8000400000040010ULL, 0x0000000000000000ULL,
175 0x0000000000040000ULL, 0x8000400000040010ULL, 0x800000a000040010ULL, 0x000040a000040000ULL,
176 0x800040a000040010ULL, 0x000000a000000000ULL, 0x0000000000000000ULL, 0x8000400000000010ULL,
177 0x8000000000000010ULL, 0x0000400000000000ULL, 0x800040a000000010ULL, 0x8000000000040010ULL,
178 0x0000400000040000ULL, 0x800000a000040010ULL, 0x800000a000000010ULL, 0x0000400000040000ULL,
179 0x8000400000000010ULL, 0x000040a000000000ULL, 0x000040a000040000ULL, 0x800000a000000010ULL,
180 0x000040a000000000ULL, 0x0000000000040000ULL, 0x8000000000040010ULL, 0x800040a000040010ULL,
181 0x000000a000040000ULL, 0x8000000000000010ULL, 0x0000400000000000ULL, 0x000000a000040000ULL,
182 0x0000400000000000ULL, 0x000000a000040000ULL, 0x000000a000000000ULL, 0x8000400000040010ULL,
183 0x8000400000040010ULL, 0x800040a000000010ULL, 0x800040a000000010ULL, 0x8000000000000010ULL,
184 0x800000a000000010ULL, 0x0000400000000000ULL, 0x0000400000040000ULL, 0x000000a000000000ULL,
185 0x000040a000040000ULL, 0x8000000000040010ULL, 0x800000a000040010ULL, 0x000040a000040000ULL,
186 0x8000000000040010ULL, 0x8000400000000010ULL, 0x800040a000040010ULL, 0x000040a000000000ULL,
187 0x000000a000040000ULL, 0x0000000000000000ULL, 0x8000000000000010ULL, 0x800040a000040010ULL,
188 0x0000000000000000ULL, 0x800000a000040010ULL, 0x000040a000000000ULL, 0x0000000000040000ULL,
189 0x8000400000000010ULL, 0x0000400000040000ULL, 0x0000000000040000ULL, 0x800000a000000010ULL
190 },
191 {
192 0x0401000004080800ULL, 0x0000000004080000ULL, 0x0000000400000000ULL, 0x0401000404080800ULL,
193 0x0401000000000000ULL, 0x0401000004080800ULL, 0x0000000000000800ULL, 0x0401000000000000ULL,
194 0x0000000400000800ULL, 0x0401000400000000ULL, 0x0401000404080800ULL, 0x0000000404080000ULL,
195 0x0401000404080000ULL, 0x0000000404080800ULL, 0x0000000004080000ULL, 0x0000000000000800ULL,
196 0x0401000400000000ULL, 0x0401000000000800ULL, 0x0401000004080000ULL, 0x0000000004080800ULL,
197 0x0000000404080000ULL, 0x0000000400000800ULL, 0x0401000400000800ULL, 0x0401000404080000ULL,
198 0x0000000004080800ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0401000400000800ULL,
199 0x0401000000000800ULL, 0x0401000004080000ULL, 0x0000000404080800ULL, 0x0000000400000000ULL,
200 0x0000000404080800ULL, 0x0000000400000000ULL, 0x0401000404080000ULL, 0x0000000004080000ULL,
201 0x0000000000000800ULL, 0x0401000400000800ULL, 0x0000000004080000ULL, 0x0000000404080800ULL,
202 0x0401000004080000ULL, 0x0000000000000800ULL, 0x0401000000000800ULL, 0x0401000400000000ULL,
203 0x0401000400000800ULL, 0x0401000000000000ULL, 0x0000000400000000ULL, 0x0401000004080800ULL,
204 0x0000000000000000ULL, 0x0401000404080800ULL, 0x0000000400000800ULL, 0x0401000000000800ULL,
205 0x0401000400000000ULL, 0x0401000004080000ULL, 0x0401000004080800ULL, 0x0000000000000000ULL,
206 0x0401000404080800ULL, 0x0000000404080000ULL, 0x0000000404080000ULL, 0x0000000004080800ULL,
207 0x0000000004080800ULL, 0x0000000400000800ULL, 0x0401000000000000ULL, 0x0401000404080000ULL
208 }
209 /* END CSTYLED */
210 };
211
212
213 static const uint64_t ip_table[2][256]=
214 {
215 /* BEGIN CSTYLED */
216 {
217 0x0000000000000000ULL, 0x0000000000000400ULL, 0x0080000000000280ULL, 0x0080000000000680ULL,
218 0x0000000000400000ULL, 0x0000000000400400ULL, 0x0080000000400280ULL, 0x0080000000400680ULL,
219 0x0000000000280000ULL, 0x0000000000280400ULL, 0x0080000000280280ULL, 0x0080000000280680ULL,
220 0x0000000000680000ULL, 0x0000000000680400ULL, 0x0080000000680280ULL, 0x0080000000680680ULL,
221 0x0000000400000000ULL, 0x0000000400000400ULL, 0x0080000400000280ULL, 0x0080000400000680ULL,
222 0x0000000400400000ULL, 0x0000000400400400ULL, 0x0080000400400280ULL, 0x0080000400400680ULL,
223 0x0000000400280000ULL, 0x0000000400280400ULL, 0x0080000400280280ULL, 0x0080000400280680ULL,
224 0x0000000400680000ULL, 0x0000000400680400ULL, 0x0080000400680280ULL, 0x0080000400680680ULL,
225 0x0000000280000000ULL, 0x0000000280000400ULL, 0x0080000280000280ULL, 0x0080000280000680ULL,
226 0x0000000280400000ULL, 0x0000000280400400ULL, 0x0080000280400280ULL, 0x0080000280400680ULL,
227 0x0000000280280000ULL, 0x0000000280280400ULL, 0x0080000280280280ULL, 0x0080000280280680ULL,
228 0x0000000280680000ULL, 0x0000000280680400ULL, 0x0080000280680280ULL, 0x0080000280680680ULL,
229 0x0000000680000000ULL, 0x0000000680000400ULL, 0x0080000680000280ULL, 0x0080000680000680ULL,
230 0x0000000680400000ULL, 0x0000000680400400ULL, 0x0080000680400280ULL, 0x0080000680400680ULL,
231 0x0000000680280000ULL, 0x0000000680280400ULL, 0x0080000680280280ULL, 0x0080000680280680ULL,
232 0x0000000680680000ULL, 0x0000000680680400ULL, 0x0080000680680280ULL, 0x0080000680680680ULL,
233 0x0000400000000000ULL, 0x0000400000000400ULL, 0x0080400000000280ULL, 0x0080400000000680ULL,
234 0x0000400000400000ULL, 0x0000400000400400ULL, 0x0080400000400280ULL, 0x0080400000400680ULL,
235 0x0000400000280000ULL, 0x0000400000280400ULL, 0x0080400000280280ULL, 0x0080400000280680ULL,
236 0x0000400000680000ULL, 0x0000400000680400ULL, 0x0080400000680280ULL, 0x0080400000680680ULL,
237 0x0000400400000000ULL, 0x0000400400000400ULL, 0x0080400400000280ULL, 0x0080400400000680ULL,
238 0x0000400400400000ULL, 0x0000400400400400ULL, 0x0080400400400280ULL, 0x0080400400400680ULL,
239 0x0000400400280000ULL, 0x0000400400280400ULL, 0x0080400400280280ULL, 0x0080400400280680ULL,
240 0x0000400400680000ULL, 0x0000400400680400ULL, 0x0080400400680280ULL, 0x0080400400680680ULL,
241 0x0000400280000000ULL, 0x0000400280000400ULL, 0x0080400280000280ULL, 0x0080400280000680ULL,
242 0x0000400280400000ULL, 0x0000400280400400ULL, 0x0080400280400280ULL, 0x0080400280400680ULL,
243 0x0000400280280000ULL, 0x0000400280280400ULL, 0x0080400280280280ULL, 0x0080400280280680ULL,
244 0x0000400280680000ULL, 0x0000400280680400ULL, 0x0080400280680280ULL, 0x0080400280680680ULL,
245 0x0000400680000000ULL, 0x0000400680000400ULL, 0x0080400680000280ULL, 0x0080400680000680ULL,
246 0x0000400680400000ULL, 0x0000400680400400ULL, 0x0080400680400280ULL, 0x0080400680400680ULL,
247 0x0000400680280000ULL, 0x0000400680280400ULL, 0x0080400680280280ULL, 0x0080400680280680ULL,
248 0x0000400680680000ULL, 0x0000400680680400ULL, 0x0080400680680280ULL, 0x0080400680680680ULL,
249 0x0000280000000000ULL, 0x0000280000000400ULL, 0x0080280000000280ULL, 0x0080280000000680ULL,
250 0x0000280000400000ULL, 0x0000280000400400ULL, 0x0080280000400280ULL, 0x0080280000400680ULL,
251 0x0000280000280000ULL, 0x0000280000280400ULL, 0x0080280000280280ULL, 0x0080280000280680ULL,
252 0x0000280000680000ULL, 0x0000280000680400ULL, 0x0080280000680280ULL, 0x0080280000680680ULL,
253 0x0000280400000000ULL, 0x0000280400000400ULL, 0x0080280400000280ULL, 0x0080280400000680ULL,
254 0x0000280400400000ULL, 0x0000280400400400ULL, 0x0080280400400280ULL, 0x0080280400400680ULL,
255 0x0000280400280000ULL, 0x0000280400280400ULL, 0x0080280400280280ULL, 0x0080280400280680ULL,
256 0x0000280400680000ULL, 0x0000280400680400ULL, 0x0080280400680280ULL, 0x0080280400680680ULL,
257 0x0000280280000000ULL, 0x0000280280000400ULL, 0x0080280280000280ULL, 0x0080280280000680ULL,
258 0x0000280280400000ULL, 0x0000280280400400ULL, 0x0080280280400280ULL, 0x0080280280400680ULL,
259 0x0000280280280000ULL, 0x0000280280280400ULL, 0x0080280280280280ULL, 0x0080280280280680ULL,
260 0x0000280280680000ULL, 0x0000280280680400ULL, 0x0080280280680280ULL, 0x0080280280680680ULL,
261 0x0000280680000000ULL, 0x0000280680000400ULL, 0x0080280680000280ULL, 0x0080280680000680ULL,
262 0x0000280680400000ULL, 0x0000280680400400ULL, 0x0080280680400280ULL, 0x0080280680400680ULL,
263 0x0000280680280000ULL, 0x0000280680280400ULL, 0x0080280680280280ULL, 0x0080280680280680ULL,
264 0x0000280680680000ULL, 0x0000280680680400ULL, 0x0080280680680280ULL, 0x0080280680680680ULL,
265 0x0000680000000000ULL, 0x0000680000000400ULL, 0x0080680000000280ULL, 0x0080680000000680ULL,
266 0x0000680000400000ULL, 0x0000680000400400ULL, 0x0080680000400280ULL, 0x0080680000400680ULL,
267 0x0000680000280000ULL, 0x0000680000280400ULL, 0x0080680000280280ULL, 0x0080680000280680ULL,
268 0x0000680000680000ULL, 0x0000680000680400ULL, 0x0080680000680280ULL, 0x0080680000680680ULL,
269 0x0000680400000000ULL, 0x0000680400000400ULL, 0x0080680400000280ULL, 0x0080680400000680ULL,
270 0x0000680400400000ULL, 0x0000680400400400ULL, 0x0080680400400280ULL, 0x0080680400400680ULL,
271 0x0000680400280000ULL, 0x0000680400280400ULL, 0x0080680400280280ULL, 0x0080680400280680ULL,
272 0x0000680400680000ULL, 0x0000680400680400ULL, 0x0080680400680280ULL, 0x0080680400680680ULL,
273 0x0000680280000000ULL, 0x0000680280000400ULL, 0x0080680280000280ULL, 0x0080680280000680ULL,
274 0x0000680280400000ULL, 0x0000680280400400ULL, 0x0080680280400280ULL, 0x0080680280400680ULL,
275 0x0000680280280000ULL, 0x0000680280280400ULL, 0x0080680280280280ULL, 0x0080680280280680ULL,
276 0x0000680280680000ULL, 0x0000680280680400ULL, 0x0080680280680280ULL, 0x0080680280680680ULL,
277 0x0000680680000000ULL, 0x0000680680000400ULL, 0x0080680680000280ULL, 0x0080680680000680ULL,
278 0x0000680680400000ULL, 0x0000680680400400ULL, 0x0080680680400280ULL, 0x0080680680400680ULL,
279 0x0000680680280000ULL, 0x0000680680280400ULL, 0x0080680680280280ULL, 0x0080680680280680ULL,
280 0x0000680680680000ULL, 0x0000680680680400ULL, 0x0080680680680280ULL, 0x0080680680680680ULL
281 },
282 {
283 0x0000000000000000ULL, 0x0000000000005000ULL, 0x0000000000000800ULL, 0x0000000000005800ULL,
284 0x0000000005000000ULL, 0x0000000005005000ULL, 0x0000000005000800ULL, 0x0000000005005800ULL,
285 0x0000000000800000ULL, 0x0000000000805000ULL, 0x0000000000800800ULL, 0x0000000000805800ULL,
286 0x0000000005800000ULL, 0x0000000005805000ULL, 0x0000000005800800ULL, 0x0000000005805800ULL,
287 0x0000005000000000ULL, 0x0000005000005000ULL, 0x0000005000000800ULL, 0x0000005000005800ULL,
288 0x0000005005000000ULL, 0x0000005005005000ULL, 0x0000005005000800ULL, 0x0000005005005800ULL,
289 0x0000005000800000ULL, 0x0000005000805000ULL, 0x0000005000800800ULL, 0x0000005000805800ULL,
290 0x0000005005800000ULL, 0x0000005005805000ULL, 0x0000005005800800ULL, 0x0000005005805800ULL,
291 0x0000000800000000ULL, 0x0000000800005000ULL, 0x0000000800000800ULL, 0x0000000800005800ULL,
292 0x0000000805000000ULL, 0x0000000805005000ULL, 0x0000000805000800ULL, 0x0000000805005800ULL,
293 0x0000000800800000ULL, 0x0000000800805000ULL, 0x0000000800800800ULL, 0x0000000800805800ULL,
294 0x0000000805800000ULL, 0x0000000805805000ULL, 0x0000000805800800ULL, 0x0000000805805800ULL,
295 0x0000005800000000ULL, 0x0000005800005000ULL, 0x0000005800000800ULL, 0x0000005800005800ULL,
296 0x0000005805000000ULL, 0x0000005805005000ULL, 0x0000005805000800ULL, 0x0000005805005800ULL,
297 0x0000005800800000ULL, 0x0000005800805000ULL, 0x0000005800800800ULL, 0x0000005800805800ULL,
298 0x0000005805800000ULL, 0x0000005805805000ULL, 0x0000005805800800ULL, 0x0000005805805800ULL,
299 0x0005000000000004ULL, 0x0005000000005004ULL, 0x0005000000000804ULL, 0x0005000000005804ULL,
300 0x0005000005000004ULL, 0x0005000005005004ULL, 0x0005000005000804ULL, 0x0005000005005804ULL,
301 0x0005000000800004ULL, 0x0005000000805004ULL, 0x0005000000800804ULL, 0x0005000000805804ULL,
302 0x0005000005800004ULL, 0x0005000005805004ULL, 0x0005000005800804ULL, 0x0005000005805804ULL,
303 0x0005005000000004ULL, 0x0005005000005004ULL, 0x0005005000000804ULL, 0x0005005000005804ULL,
304 0x0005005005000004ULL, 0x0005005005005004ULL, 0x0005005005000804ULL, 0x0005005005005804ULL,
305 0x0005005000800004ULL, 0x0005005000805004ULL, 0x0005005000800804ULL, 0x0005005000805804ULL,
306 0x0005005005800004ULL, 0x0005005005805004ULL, 0x0005005005800804ULL, 0x0005005005805804ULL,
307 0x0005000800000004ULL, 0x0005000800005004ULL, 0x0005000800000804ULL, 0x0005000800005804ULL,
308 0x0005000805000004ULL, 0x0005000805005004ULL, 0x0005000805000804ULL, 0x0005000805005804ULL,
309 0x0005000800800004ULL, 0x0005000800805004ULL, 0x0005000800800804ULL, 0x0005000800805804ULL,
310 0x0005000805800004ULL, 0x0005000805805004ULL, 0x0005000805800804ULL, 0x0005000805805804ULL,
311 0x0005005800000004ULL, 0x0005005800005004ULL, 0x0005005800000804ULL, 0x0005005800005804ULL,
312 0x0005005805000004ULL, 0x0005005805005004ULL, 0x0005005805000804ULL, 0x0005005805005804ULL,
313 0x0005005800800004ULL, 0x0005005800805004ULL, 0x0005005800800804ULL, 0x0005005800805804ULL,
314 0x0005005805800004ULL, 0x0005005805805004ULL, 0x0005005805800804ULL, 0x0005005805805804ULL,
315 0x0000800000000000ULL, 0x0000800000005000ULL, 0x0000800000000800ULL, 0x0000800000005800ULL,
316 0x0000800005000000ULL, 0x0000800005005000ULL, 0x0000800005000800ULL, 0x0000800005005800ULL,
317 0x0000800000800000ULL, 0x0000800000805000ULL, 0x0000800000800800ULL, 0x0000800000805800ULL,
318 0x0000800005800000ULL, 0x0000800005805000ULL, 0x0000800005800800ULL, 0x0000800005805800ULL,
319 0x0000805000000000ULL, 0x0000805000005000ULL, 0x0000805000000800ULL, 0x0000805000005800ULL,
320 0x0000805005000000ULL, 0x0000805005005000ULL, 0x0000805005000800ULL, 0x0000805005005800ULL,
321 0x0000805000800000ULL, 0x0000805000805000ULL, 0x0000805000800800ULL, 0x0000805000805800ULL,
322 0x0000805005800000ULL, 0x0000805005805000ULL, 0x0000805005800800ULL, 0x0000805005805800ULL,
323 0x0000800800000000ULL, 0x0000800800005000ULL, 0x0000800800000800ULL, 0x0000800800005800ULL,
324 0x0000800805000000ULL, 0x0000800805005000ULL, 0x0000800805000800ULL, 0x0000800805005800ULL,
325 0x0000800800800000ULL, 0x0000800800805000ULL, 0x0000800800800800ULL, 0x0000800800805800ULL,
326 0x0000800805800000ULL, 0x0000800805805000ULL, 0x0000800805800800ULL, 0x0000800805805800ULL,
327 0x0000805800000000ULL, 0x0000805800005000ULL, 0x0000805800000800ULL, 0x0000805800005800ULL,
328 0x0000805805000000ULL, 0x0000805805005000ULL, 0x0000805805000800ULL, 0x0000805805005800ULL,
329 0x0000805800800000ULL, 0x0000805800805000ULL, 0x0000805800800800ULL, 0x0000805800805800ULL,
330 0x0000805805800000ULL, 0x0000805805805000ULL, 0x0000805805800800ULL, 0x0000805805805800ULL,
331 0x0005800000000004ULL, 0x0005800000005004ULL, 0x0005800000000804ULL, 0x0005800000005804ULL,
332 0x0005800005000004ULL, 0x0005800005005004ULL, 0x0005800005000804ULL, 0x0005800005005804ULL,
333 0x0005800000800004ULL, 0x0005800000805004ULL, 0x0005800000800804ULL, 0x0005800000805804ULL,
334 0x0005800005800004ULL, 0x0005800005805004ULL, 0x0005800005800804ULL, 0x0005800005805804ULL,
335 0x0005805000000004ULL, 0x0005805000005004ULL, 0x0005805000000804ULL, 0x0005805000005804ULL,
336 0x0005805005000004ULL, 0x0005805005005004ULL, 0x0005805005000804ULL, 0x0005805005005804ULL,
337 0x0005805000800004ULL, 0x0005805000805004ULL, 0x0005805000800804ULL, 0x0005805000805804ULL,
338 0x0005805005800004ULL, 0x0005805005805004ULL, 0x0005805005800804ULL, 0x0005805005805804ULL,
339 0x0005800800000004ULL, 0x0005800800005004ULL, 0x0005800800000804ULL, 0x0005800800005804ULL,
340 0x0005800805000004ULL, 0x0005800805005004ULL, 0x0005800805000804ULL, 0x0005800805005804ULL,
341 0x0005800800800004ULL, 0x0005800800805004ULL, 0x0005800800800804ULL, 0x0005800800805804ULL,
342 0x0005800805800004ULL, 0x0005800805805004ULL, 0x0005800805800804ULL, 0x0005800805805804ULL,
343 0x0005805800000004ULL, 0x0005805800005004ULL, 0x0005805800000804ULL, 0x0005805800005804ULL,
344 0x0005805805000004ULL, 0x0005805805005004ULL, 0x0005805805000804ULL, 0x0005805805005804ULL,
345 0x0005805800800004ULL, 0x0005805800805004ULL, 0x0005805800800804ULL, 0x0005805800805804ULL,
346 0x0005805805800004ULL, 0x0005805805805004ULL, 0x0005805805800804ULL, 0x0005805805805804ULL
347 }
348 /* END CSTYLED */
349 };
350
351 static const uint32_t fp_table[256]=
352 {
353 0x00000000, 0x80000000, 0x00800000, 0x80800000,
354 0x00008000, 0x80008000, 0x00808000, 0x80808000,
355 0x00000080, 0x80000080, 0x00800080, 0x80800080,
356 0x00008080, 0x80008080, 0x00808080, 0x80808080,
357 0x40000000, 0xc0000000, 0x40800000, 0xc0800000,
358 0x40008000, 0xc0008000, 0x40808000, 0xc0808000,
359 0x40000080, 0xc0000080, 0x40800080, 0xc0800080,
360 0x40008080, 0xc0008080, 0x40808080, 0xc0808080,
361 0x00400000, 0x80400000, 0x00c00000, 0x80c00000,
362 0x00408000, 0x80408000, 0x00c08000, 0x80c08000,
363 0x00400080, 0x80400080, 0x00c00080, 0x80c00080,
364 0x00408080, 0x80408080, 0x00c08080, 0x80c08080,
365 0x40400000, 0xc0400000, 0x40c00000, 0xc0c00000,
366 0x40408000, 0xc0408000, 0x40c08000, 0xc0c08000,
367 0x40400080, 0xc0400080, 0x40c00080, 0xc0c00080,
368 0x40408080, 0xc0408080, 0x40c08080, 0xc0c08080,
369 0x00004000, 0x80004000, 0x00804000, 0x80804000,
370 0x0000c000, 0x8000c000, 0x0080c000, 0x8080c000,
371 0x00004080, 0x80004080, 0x00804080, 0x80804080,
372 0x0000c080, 0x8000c080, 0x0080c080, 0x8080c080,
373 0x40004000, 0xc0004000, 0x40804000, 0xc0804000,
374 0x4000c000, 0xc000c000, 0x4080c000, 0xc080c000,
375 0x40004080, 0xc0004080, 0x40804080, 0xc0804080,
376 0x4000c080, 0xc000c080, 0x4080c080, 0xc080c080,
377 0x00404000, 0x80404000, 0x00c04000, 0x80c04000,
378 0x0040c000, 0x8040c000, 0x00c0c000, 0x80c0c000,
379 0x00404080, 0x80404080, 0x00c04080, 0x80c04080,
380 0x0040c080, 0x8040c080, 0x00c0c080, 0x80c0c080,
381 0x40404000, 0xc0404000, 0x40c04000, 0xc0c04000,
382 0x4040c000, 0xc040c000, 0x40c0c000, 0xc0c0c000,
383 0x40404080, 0xc0404080, 0x40c04080, 0xc0c04080,
384 0x4040c080, 0xc040c080, 0x40c0c080, 0xc0c0c080,
385 0x00000040, 0x80000040, 0x00800040, 0x80800040,
386 0x00008040, 0x80008040, 0x00808040, 0x80808040,
387 0x000000c0, 0x800000c0, 0x008000c0, 0x808000c0,
388 0x000080c0, 0x800080c0, 0x008080c0, 0x808080c0,
389 0x40000040, 0xc0000040, 0x40800040, 0xc0800040,
390 0x40008040, 0xc0008040, 0x40808040, 0xc0808040,
391 0x400000c0, 0xc00000c0, 0x408000c0, 0xc08000c0,
392 0x400080c0, 0xc00080c0, 0x408080c0, 0xc08080c0,
393 0x00400040, 0x80400040, 0x00c00040, 0x80c00040,
394 0x00408040, 0x80408040, 0x00c08040, 0x80c08040,
395 0x004000c0, 0x804000c0, 0x00c000c0, 0x80c000c0,
396 0x004080c0, 0x804080c0, 0x00c080c0, 0x80c080c0,
397 0x40400040, 0xc0400040, 0x40c00040, 0xc0c00040,
398 0x40408040, 0xc0408040, 0x40c08040, 0xc0c08040,
399 0x404000c0, 0xc04000c0, 0x40c000c0, 0xc0c000c0,
400 0x404080c0, 0xc04080c0, 0x40c080c0, 0xc0c080c0,
401 0x00004040, 0x80004040, 0x00804040, 0x80804040,
402 0x0000c040, 0x8000c040, 0x0080c040, 0x8080c040,
403 0x000040c0, 0x800040c0, 0x008040c0, 0x808040c0,
404 0x0000c0c0, 0x8000c0c0, 0x0080c0c0, 0x8080c0c0,
405 0x40004040, 0xc0004040, 0x40804040, 0xc0804040,
406 0x4000c040, 0xc000c040, 0x4080c040, 0xc080c040,
407 0x400040c0, 0xc00040c0, 0x408040c0, 0xc08040c0,
408 0x4000c0c0, 0xc000c0c0, 0x4080c0c0, 0xc080c0c0,
409 0x00404040, 0x80404040, 0x00c04040, 0x80c04040,
410 0x0040c040, 0x8040c040, 0x00c0c040, 0x80c0c040,
411 0x004040c0, 0x804040c0, 0x00c040c0, 0x80c040c0,
412 0x0040c0c0, 0x8040c0c0, 0x00c0c0c0, 0x80c0c0c0,
413 0x40404040, 0xc0404040, 0x40c04040, 0xc0c04040,
414 0x4040c040, 0xc040c040, 0x40c0c040, 0xc0c0c040,
415 0x404040c0, 0xc04040c0, 0x40c040c0, 0xc0c040c0,
416 0x4040c0c0, 0xc040c0c0, 0x40c0c0c0, 0xc0c0c0c0
417 };
418
419 static const uint64_t all_a = 0xaaaaaaaaaaaaaaaaULL;
420 static const uint64_t all_5 = 0x5555555555555555ULL;
421 static const uint64_t top_1 = 0xfc000000000000ULL;
422 static const uint64_t mid_4 = 0x3fffffc000000ULL;
423 static const uint64_t low_3 = 0x3ffff00ULL;
424
425
426 static void
427 des_ip(uint64_t *l, uint64_t *r, uint64_t pt)
428 {
429 uint64_t a, b;
430
431 a = pt & all_a;
432 b = pt & all_5;
433 a = a | (a << 7);
434 b = b | (b >> 7);
435
436 b = (ip_table[0][(b >> 48) & 255ULL]) |
437 (ip_table[1][(b >> 32) & 255ULL]) |
438 (ip_table[0][(b >> 16) & 255ULL] << 6) |
439 (ip_table[1][b & 255ULL] << 6);
440
441 a = (ip_table[0][(a >> 56) & 255]) |
442 (ip_table[1][(a >> 40) & 255]) |
443 (ip_table[0][(a >> 24) & 255] << 6) |
444 (ip_table[1][(a >> 8) & 255] << 6);
445
446 *l = ((b & top_1) << 8) |
447 (b & mid_4) |
448 ((b & low_3) >> 5);
449
450 *r = ((a & top_1) << 8) |
451 (a & mid_4) |
452 ((a & low_3) >> 5);
453 }
454
455
456 static uint64_t
457 des_fp(uint64_t l, uint64_t r)
458 {
459 uint32_t upper, lower;
460
461 lower = fp_table[((l >> 55) & 240) | ((r >> 59) & 15)] |
462 (fp_table[((l >> 35) & 240) | ((r>>39) & 15)] >> 2) |
463 (fp_table[((l >> 23) & 240) | ((r >> 27) & 15)] >> 4) |
464 (fp_table[((l >> 6) & 240) | ((r >> 10) & 15)] >> 6);
465
466 upper = fp_table[((l >> 41) & 240) | ((r >> 45) & 15)] |
467 (fp_table[((l >> 29) & 240) | ((r >> 33) & 15)] >> 2) |
468 (fp_table[((l >> 12) & 240) | ((r >> 16) & 15)] >> 4) |
469 (fp_table[(l & 240) | (r >> 4) & 15] >> 6);
470
471 return ((((uint64_t)upper) << 32) | (uint64_t)lower);
472
473 }
474
475 uint64_t
476 des_crypt_impl(uint64_t *ks, uint64_t block, int one_or_three)
477 {
478 int i, j;
479 uint64_t l, r, t;
480
481 des_ip(&l, &r, block);
482 for (j = 0; j < one_or_three; j++) {
483 for (i = j * 16; i < (j + 1) * 16; i++) {
484 t = r ^ ks[i];
485 t = sbox_table[0][t >> 58] |
486 sbox_table[1][(t >> 44) & 63] |
487 sbox_table[2][(t >> 38) & 63] |
488 sbox_table[3][(t >> 32) & 63] |
489 sbox_table[4][(t >> 26) & 63] |
490 sbox_table[5][(t >> 15) & 63] |
491 sbox_table[6][(t >> 9) & 63] |
492 sbox_table[7][(t >> 3) & 63];
493 t = t^l;
494 l = r;
495 r = t;
496 }
497 r = l;
498 l = t;
499 }
500
501 return (des_fp(l, r));
502 }
503 #endif /* !sun4u */
504
505 int
506 des3_crunch_block(const void *cookie, const uint8_t block[DES_BLOCK_LEN],
507 uint8_t out_block[DES_BLOCK_LEN], boolean_t decrypt)
508 {
509 keysched3_t *ksch = (keysched3_t *)cookie;
510
511 /*
512 * The code below, that is always executed on LITTLE_ENDIAN machines,
513 * reverses bytes in the block. On BIG_ENDIAN, the same code
514 * copies the block without reversing bytes.
515 */
516 #ifdef _BIG_ENDIAN
517 if (IS_P2ALIGNED(block, sizeof (uint64_t)) &&
518 IS_P2ALIGNED(out_block, sizeof (uint64_t))) {
519 if (decrypt == B_TRUE)
520 /* LINTED */
521 *(uint64_t *)out_block = des_crypt_impl(
522 ksch->ksch_decrypt, /* LINTED */
523 *(uint64_t *)block, 3);
524 else
525 /* LINTED */
526 *(uint64_t *)out_block = des_crypt_impl(
527 ksch->ksch_encrypt, /* LINTED */
528 *(uint64_t *)block, 3);
529 } else
530 #endif /* _BIG_ENDIAN */
531 {
532 uint64_t tmp;
533
534 #ifdef UNALIGNED_POINTERS_PERMITTED
535 tmp = htonll(*(uint64_t *)(void *)&block[0]);
536 #else
537 tmp = (((uint64_t)block[0] << 56) | ((uint64_t)block[1] << 48) |
538 ((uint64_t)block[2] << 40) | ((uint64_t)block[3] << 32) |
539 ((uint64_t)block[4] << 24) | ((uint64_t)block[5] << 16) |
540 ((uint64_t)block[6] << 8) | (uint64_t)block[7]);
541 #endif /* UNALIGNED_POINTERS_PERMITTED */
542
543 if (decrypt == B_TRUE)
544 tmp = des_crypt_impl(ksch->ksch_decrypt, tmp, 3);
545 else
546 tmp = des_crypt_impl(ksch->ksch_encrypt, tmp, 3);
547
548 #ifdef UNALIGNED_POINTERS_PERMITTED
549 *(uint64_t *)(void *)&out_block[0] = htonll(tmp);
550 #else
551 out_block[0] = tmp >> 56;
552 out_block[1] = tmp >> 48;
553 out_block[2] = tmp >> 40;
554 out_block[3] = tmp >> 32;
555 out_block[4] = tmp >> 24;
556 out_block[5] = tmp >> 16;
557 out_block[6] = tmp >> 8;
558 out_block[7] = (uint8_t)tmp;
559 #endif /* UNALIGNED_POINTERS_PERMITTED */
560 }
561 return (CRYPTO_SUCCESS);
562 }
563
564 int
565 des_crunch_block(const void *cookie, const uint8_t block[DES_BLOCK_LEN],
566 uint8_t out_block[DES_BLOCK_LEN], boolean_t decrypt)
567 {
568 keysched_t *ksch = (keysched_t *)cookie;
569
570 /*
571 * The code below, that is always executed on LITTLE_ENDIAN machines,
572 * reverses bytes in the block. On BIG_ENDIAN, the same code
573 * copies the block without reversing bytes.
574 */
575 #ifdef _BIG_ENDIAN
576 if (IS_P2ALIGNED(block, sizeof (uint64_t)) &&
577 IS_P2ALIGNED(out_block, sizeof (uint64_t))) {
578 if (decrypt == B_TRUE)
579 /* LINTED */
580 *(uint64_t *)out_block = des_crypt_impl(
581 ksch->ksch_decrypt, /* LINTED */
582 *(uint64_t *)block, 1);
583 else
584 /* LINTED */
585 *(uint64_t *)out_block = des_crypt_impl(
586 ksch->ksch_encrypt, /* LINTED */
587 *(uint64_t *)block, 1);
588
589 } else
590 #endif /* _BIG_ENDIAN */
591 {
592 uint64_t tmp;
593
594 #ifdef UNALIGNED_POINTERS_PERMITTED
595 tmp = htonll(*(uint64_t *)(void *)&block[0]);
596 #else
597 tmp = (((uint64_t)block[0] << 56) | ((uint64_t)block[1] << 48) |
598 ((uint64_t)block[2] << 40) | ((uint64_t)block[3] << 32) |
599 ((uint64_t)block[4] << 24) | ((uint64_t)block[5] << 16) |
600 ((uint64_t)block[6] << 8) | (uint64_t)block[7]);
601 #endif /* UNALIGNED_POINTERS_PERMITTED */
602
603
604 if (decrypt == B_TRUE)
605 tmp = des_crypt_impl(ksch->ksch_decrypt, tmp, 1);
606 else
607 tmp = des_crypt_impl(ksch->ksch_encrypt, tmp, 1);
608
609 #ifdef UNALIGNED_POINTERS_PERMITTED
610 *(uint64_t *)(void *)&out_block[0] = htonll(tmp);
611 #else
612 out_block[0] = tmp >> 56;
613 out_block[1] = tmp >> 48;
614 out_block[2] = tmp >> 40;
615 out_block[3] = tmp >> 32;
616 out_block[4] = tmp >> 24;
617 out_block[5] = tmp >> 16;
618 out_block[6] = tmp >> 8;
619 out_block[7] = (uint8_t)tmp;
620 #endif /* UNALIGNED_POINTERS_PERMITTED */
621 }
622 return (CRYPTO_SUCCESS);
623 }
624
625 static boolean_t
626 keycheck(uint8_t *key, uint8_t *corrected_key)
627 {
628 uint64_t key_so_far;
629 uint_t i;
630 /*
631 * Table of weak and semi-weak keys. Fortunately, weak keys are
632 * endian-independent, and some semi-weak keys can be paired up in
633 * endian-opposite order. Since keys are stored as uint64_t's,
634 * use the ifdef _LITTLE_ENDIAN where appropriate.
635 */
636 static uint64_t des_weak_keys[] = {
637 /* Really weak keys. Byte-order independent values. */
638 0x0101010101010101ULL,
639 0x1f1f1f1f0e0e0e0eULL,
640 0xe0e0e0e0f1f1f1f1ULL,
641 0xfefefefefefefefeULL,
642
643 /* Semi-weak (and a few possibly-weak) keys. */
644
645 /* Byte-order independent semi-weak keys. */
646 0x01fe01fe01fe01feULL, 0xfe01fe01fe01fe01ULL,
647
648 /* Byte-order dependent semi-weak keys. */
649 #ifdef _LITTLE_ENDIAN
650 0xf10ef10ee01fe01fULL, 0x0ef10ef11fe01fe0ULL,
651 0x01f101f101e001e0ULL, 0xf101f101e001e001ULL,
652 0x0efe0efe1ffe1ffeULL, 0xfe0efe0efe1ffe1fULL,
653 0x010e010e011f011fULL, 0x0e010e011f011f01ULL,
654 0xf1fef1fee0fee0feULL, 0xfef1fef1fee0fee0ULL,
655 #else /* Big endian */
656 0x1fe01fe00ef10ef1ULL, 0xe01fe01ff10ef10eULL,
657 0x01e001e001f101f1ULL, 0xe001e001f101f101ULL,
658 0x1ffe1ffe0efe0efeULL, 0xfe1ffe1ffe0efe0eULL,
659 0x011f011f010e010eULL, 0x1f011f010e010e01ULL,
660 0xe0fee0fef1fef1feULL, 0xfee0fee0fef1fef1ULL,
661 #endif /* _LITTLE_ENDIAN */
662
663 /* We'll save the other possibly-weak keys for the future. */
664 };
665
666 if (key == NULL)
667 return (B_FALSE);
668
669 #ifdef UNALIGNED_POINTERS_PERMITTED
670 key_so_far = htonll(*(uint64_t *)(void *)&key[0]);
671 #else
672 /*
673 * The code below reverses the bytes on LITTLE_ENDIAN machines.
674 * On BIG_ENDIAN, the same code copies without reversing
675 * the bytes.
676 */
677 key_so_far = (((uint64_t)key[0] << 56) | ((uint64_t)key[1] << 48) |
678 ((uint64_t)key[2] << 40) | ((uint64_t)key[3] << 32) |
679 ((uint64_t)key[4] << 24) | ((uint64_t)key[5] << 16) |
680 ((uint64_t)key[6] << 8) | (uint64_t)key[7]);
681 #endif /* UNALIGNED_POINTERS_PERMITTED */
682
683 /*
684 * Fix parity.
685 */
686 fix_des_parity(&key_so_far);
687
688 /* Do weak key check itself. */
689 for (i = 0; i < (sizeof (des_weak_keys) / sizeof (uint64_t)); i++)
690 if (key_so_far == des_weak_keys[i]) {
691 return (B_FALSE);
692 }
693
694 if (corrected_key != NULL) {
695 #ifdef UNALIGNED_POINTERS_PERMITTED
696 *(uint64_t *)(void *)&corrected_key[0] = htonll(key_so_far);
697 #else
698 /*
699 * The code below reverses the bytes on LITTLE_ENDIAN machines.
700 * On BIG_ENDIAN, the same code copies without reversing
701 * the bytes.
702 */
703 corrected_key[0] = key_so_far >> 56;
704 corrected_key[1] = key_so_far >> 48;
705 corrected_key[2] = key_so_far >> 40;
706 corrected_key[3] = key_so_far >> 32;
707 corrected_key[4] = key_so_far >> 24;
708 corrected_key[5] = key_so_far >> 16;
709 corrected_key[6] = key_so_far >> 8;
710 corrected_key[7] = (uint8_t)key_so_far;
711 #endif /* UNALIGNED_POINTERS_PERMITTED */
712 }
713 return (B_TRUE);
714 }
715
716 static boolean_t
717 des23_keycheck(uint8_t *key, uint8_t *corrected_key, boolean_t des3)
718 {
719 uint64_t aligned_key[DES3_KEYSIZE / sizeof (uint64_t)];
720 uint64_t key_so_far, scratch, *currentkey;
721 uint_t j, num_weakkeys = 0;
722 uint8_t keysize = DES3_KEYSIZE;
723 uint8_t checks = 3;
724
725 if (key == NULL) {
726 return (B_FALSE);
727 }
728
729 if (des3 == B_FALSE) {
730 keysize = DES2_KEYSIZE;
731 checks = 2;
732 }
733
734 if (!IS_P2ALIGNED(key, sizeof (uint64_t))) {
735 bcopy(key, aligned_key, keysize);
736 currentkey = (uint64_t *)aligned_key;
737 } else {
738 /* LINTED */
739 currentkey = (uint64_t *)key;
740 }
741
742 for (j = 0; j < checks; j++) {
743 key_so_far = currentkey[j];
744
745 if (!keycheck((uint8_t *)&key_so_far, (uint8_t *)&scratch)) {
746 if (++num_weakkeys > 1) {
747 return (B_FALSE);
748 }
749 /*
750 * We found a weak key, but since
751 * we've only found one weak key,
752 * we can not reject the whole 3DES
753 * set of keys as weak.
754 *
755 * Break from the weak key loop
756 * (since this DES key is weak) and
757 * continue on.
758 */
759 }
760
761 currentkey[j] = scratch;
762 }
763
764 /*
765 * Perform key equivalence checks, now that parity is properly set.
766 * 1st and 2nd keys must be unique, the 3rd key can be the same as
767 * the 1st key for the 2 key variant of 3DES.
768 */
769 if (currentkey[0] == currentkey[1] || currentkey[1] == currentkey[2])
770 return (B_FALSE);
771
772 if (corrected_key != NULL) {
773 bcopy(currentkey, corrected_key, keysize);
774 }
775
776 return (B_TRUE);
777 }
778
779 boolean_t
780 des_keycheck(uint8_t *key, des_strength_t strength, uint8_t *corrected_key)
781 {
782 if (strength == DES) {
783 return (keycheck(key, corrected_key));
784 } else if (strength == DES2) {
785 return (des23_keycheck(key, corrected_key, B_FALSE));
786 } else if (strength == DES3) {
787 return (des23_keycheck(key, corrected_key, B_TRUE));
788 } else {
789 return (B_FALSE);
790 }
791 }
792
793 void
794 des_parity_fix(uint8_t *key, des_strength_t strength, uint8_t *corrected_key)
795 {
796 uint64_t aligned_key[DES3_KEYSIZE / sizeof (uint64_t)];
797 uint8_t *paritied_key;
798 uint64_t key_so_far;
799 int i = 0, offset = 0;
800
801 if (strength == DES)
802 bcopy(key, aligned_key, DES_KEYSIZE);
803 else
804 bcopy(key, aligned_key, DES3_KEYSIZE);
805
806 paritied_key = (uint8_t *)aligned_key;
807 while (strength > i) {
808 offset = 8 * i;
809 #ifdef UNALIGNED_POINTERS_PERMITTED
810 key_so_far = htonll(*(uint64_t *)(void *)&paritied_key[offset]);
811 #else
812 key_so_far = (((uint64_t)paritied_key[offset + 0] << 56) |
813 ((uint64_t)paritied_key[offset + 1] << 48) |
814 ((uint64_t)paritied_key[offset + 2] << 40) |
815 ((uint64_t)paritied_key[offset + 3] << 32) |
816 ((uint64_t)paritied_key[offset + 4] << 24) |
817 ((uint64_t)paritied_key[offset + 5] << 16) |
818 ((uint64_t)paritied_key[offset + 6] << 8) |
819 (uint64_t)paritied_key[offset + 7]);
820 #endif /* UNALIGNED_POINTERS_PERMITTED */
821
822 fix_des_parity(&key_so_far);
823
824 #ifdef UNALIGNED_POINTERS_PERMITTED
825 *(uint64_t *)(void *)&paritied_key[offset] = htonll(key_so_far);
826 #else
827 paritied_key[offset + 0] = key_so_far >> 56;
828 paritied_key[offset + 1] = key_so_far >> 48;
829 paritied_key[offset + 2] = key_so_far >> 40;
830 paritied_key[offset + 3] = key_so_far >> 32;
831 paritied_key[offset + 4] = key_so_far >> 24;
832 paritied_key[offset + 5] = key_so_far >> 16;
833 paritied_key[offset + 6] = key_so_far >> 8;
834 paritied_key[offset + 7] = (uint8_t)key_so_far;
835 #endif /* UNALIGNED_POINTERS_PERMITTED */
836
837 i++;
838 }
839
840 bcopy(paritied_key, corrected_key, DES_KEYSIZE * strength);
841 }
842
843
844 /*
845 * Initialize key schedule for DES, DES2, and DES3
846 */
847 void
848 des_init_keysched(uint8_t *cipherKey, des_strength_t strength, void *ks)
849 {
850 uint64_t *encryption_ks;
851 uint64_t *decryption_ks;
852 uint64_t keysched[48];
853 uint64_t key_uint64[3];
854 uint64_t tmp;
855 uint_t keysize, i, j;
856
857 switch (strength) {
858 case DES:
859 keysize = DES_KEYSIZE;
860 encryption_ks = ((keysched_t *)ks)->ksch_encrypt;
861 decryption_ks = ((keysched_t *)ks)->ksch_decrypt;
862 break;
863 case DES2:
864 keysize = DES2_KEYSIZE;
865 encryption_ks = ((keysched3_t *)ks)->ksch_encrypt;
866 decryption_ks = ((keysched3_t *)ks)->ksch_decrypt;
867 break;
868 case DES3:
869 keysize = DES3_KEYSIZE;
870 encryption_ks = ((keysched3_t *)ks)->ksch_encrypt;
871 decryption_ks = ((keysched3_t *)ks)->ksch_decrypt;
872 }
873
874 /*
875 * The code below, that is always executed on LITTLE_ENDIAN machines,
876 * reverses every 8 bytes in the key. On BIG_ENDIAN, the same code
877 * copies the key without reversing bytes.
878 */
879 #ifdef _BIG_ENDIAN
880 if (IS_P2ALIGNED(cipherKey, sizeof (uint64_t))) {
881 for (i = 0, j = 0; j < keysize; i++, j += 8) {
882 /* LINTED: pointer alignment */
883 key_uint64[i] = *((uint64_t *)&cipherKey[j]);
884 }
885 } else
886 #endif /* _BIG_ENDIAN */
887 {
888 for (i = 0, j = 0; j < keysize; i++, j += 8) {
889 #ifdef UNALIGNED_POINTERS_PERMITTED
890 key_uint64[i] =
891 htonll(*(uint64_t *)(void *)&cipherKey[j]);
892 #else
893 key_uint64[i] = (((uint64_t)cipherKey[j] << 56) |
894 ((uint64_t)cipherKey[j + 1] << 48) |
895 ((uint64_t)cipherKey[j + 2] << 40) |
896 ((uint64_t)cipherKey[j + 3] << 32) |
897 ((uint64_t)cipherKey[j + 4] << 24) |
898 ((uint64_t)cipherKey[j + 5] << 16) |
899 ((uint64_t)cipherKey[j + 6] << 8) |
900 (uint64_t)cipherKey[j + 7]);
901 #endif /* UNALIGNED_POINTERS_PERMITTED */
902 }
903 }
904
905 switch (strength) {
906 case DES:
907 des_ks(keysched, key_uint64[0]);
908 break;
909
910 case DES2:
911 /* DES2 is just DES3 with the first and third keys the same */
912 bcopy(key_uint64, key_uint64 + 2, DES_KEYSIZE);
913 /* FALLTHRU */
914 case DES3:
915 des_ks(keysched, key_uint64[0]);
916 des_ks(keysched + 16, key_uint64[1]);
917 for (i = 0; i < 8; i++) {
918 tmp = keysched[16+i];
919 keysched[16+i] = keysched[31-i];
920 keysched[31-i] = tmp;
921 }
922 des_ks(keysched+32, key_uint64[2]);
923 keysize = DES3_KEYSIZE;
924 }
925
926 /* save the encryption keyschedule */
927 bcopy(keysched, encryption_ks, keysize * 16);
928
929 /* reverse the key schedule */
930 for (i = 0; i < keysize; i++) {
931 tmp = keysched[i];
932 keysched[i] = keysched[2 * keysize - 1 - i];
933 keysched[2 * keysize -1 -i] = tmp;
934 }
935
936 /* save the decryption keyschedule */
937 bcopy(keysched, decryption_ks, keysize * 16);
938 }
939
940 /*
941 * Allocate key schedule.
942 */
943 /*ARGSUSED*/
944 void *
945 des_alloc_keysched(size_t *keysched_size, des_strength_t strength, int kmflag)
946 {
947 void *keysched;
948
949 size_t size;
950
951 switch (strength) {
952 case DES:
953 size = sizeof (keysched_t);
954 break;
955 case DES2:
956 case DES3:
957 size = sizeof (keysched3_t);
958 }
959
960 #ifdef _KERNEL
961 keysched = (keysched_t *)kmem_alloc(size, kmflag);
962 #else /* !_KERNEL */
963 keysched = (keysched_t *)malloc(size);
964 #endif /* _KERNEL */
965
966 if (keysched == NULL)
967 return (NULL);
968
969 if (keysched_size != NULL)
970 *keysched_size = size;
971
972 return (keysched);
973 }
974
975 /*
976 * Replace the LSB of each byte by the xor of the other
977 * 7 bits. The tricky thing is that the original contents of the LSBs
978 * are nullified by including them twice in the xor computation.
979 */
980 static void
981 fix_des_parity(uint64_t *keyp)
982 {
983 uint64_t k = *keyp;
984 k ^= k >> 1;
985 k ^= k >> 2;
986 k ^= k >> 4;
987 *keyp ^= (k & 0x0101010101010101ULL);
988 *keyp ^= 0x0101010101010101ULL;
989 }
990
991 void
992 des_copy_block(const uint8_t *in, uint8_t *out)
993 {
994 if (IS_P2ALIGNED(in, sizeof (uint32_t)) &&
995 IS_P2ALIGNED(out, sizeof (uint32_t))) {
996 /* LINTED: pointer alignment */
997 *(uint32_t *)&out[0] = *(uint32_t *)&in[0];
998 /* LINTED: pointer alignment */
999 *(uint32_t *)&out[4] = *(uint32_t *)&in[4];
1000 } else {
1001 DES_COPY_BLOCK(in, out);
1002 }
1003 }
1004
1005 /* XOR block of data into dest */
1006 void
1007 des_xor_block(const uint8_t *data, uint8_t *dst)
1008 {
1009 if (IS_P2ALIGNED(dst, sizeof (uint32_t)) &&
1010 IS_P2ALIGNED(data, sizeof (uint32_t))) {
1011 /* LINTED: pointer alignment */
1012 *(uint32_t *)&dst[0] ^=
1013 /* LINTED: pointer alignment */
1014 *(uint32_t *)&data[0];
1015 /* LINTED: pointer alignment */
1016 *(uint32_t *)&dst[4] ^=
1017 /* LINTED: pointer alignment */
1018 *(uint32_t *)&data[4];
1019 } else {
1020 DES_XOR_BLOCK(data, dst);
1021 }
1022 }
1023
1024 int
1025 des_encrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1026 {
1027 return (des_crunch_block(keysched, in, out, B_FALSE));
1028 }
1029
1030 int
1031 des3_encrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1032 {
1033 return (des3_crunch_block(keysched, in, out, B_FALSE));
1034 }
1035
1036 int
1037 des_decrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1038 {
1039 return (des_crunch_block(keysched, in, out, B_TRUE));
1040 }
1041
1042 int
1043 des3_decrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1044 {
1045 return (des3_crunch_block(keysched, in, out, B_TRUE));
1046 }
1047
1048 /*
1049 * Encrypt multiple blocks of data according to mode.
1050 */
1051 int
1052 des_encrypt_contiguous_blocks(void *ctx, char *data, size_t length,
1053 crypto_data_t *out)
1054 {
1055 des_ctx_t *des_ctx = ctx;
1056 int rv;
1057
1058 if (des_ctx->dc_flags & DES3_STRENGTH) {
1059 if (des_ctx->dc_flags & CBC_MODE) {
1060 rv = cbc_encrypt_contiguous_blocks(ctx, data,
1061 length, out, DES_BLOCK_LEN, des3_encrypt_block,
1062 des_copy_block, des_xor_block, NULL);
1063 } else {
1064 rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1065 out, DES_BLOCK_LEN, des3_encrypt_block, NULL);
1066 }
1067 } else {
1068 if (des_ctx->dc_flags & CBC_MODE) {
1069 rv = cbc_encrypt_contiguous_blocks(ctx, data,
1070 length, out, DES_BLOCK_LEN, des_encrypt_block,
1071 des_copy_block, des_xor_block, NULL);
1072 } else {
1073 rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1074 out, DES_BLOCK_LEN, des_encrypt_block, NULL);
1075 }
1076 }
1077 return (rv);
1078 }
1079
1080 /*
1081 * Decrypt multiple blocks of data according to mode.
1082 */
1083 int
1084 des_decrypt_contiguous_blocks(void *ctx, char *data, size_t length,
1085 crypto_data_t *out)
1086 {
1087 des_ctx_t *des_ctx = ctx;
1088 int rv;
1089
1090 if (des_ctx->dc_flags & DES3_STRENGTH) {
1091 if (des_ctx->dc_flags & CBC_MODE) {
1092 rv = cbc_decrypt_contiguous_blocks(ctx, data,
1093 length, out, DES_BLOCK_LEN, des3_decrypt_block,
1094 des_copy_block, des_xor_block, NULL, NULL);
1095 } else {
1096 rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1097 out, DES_BLOCK_LEN, des3_decrypt_block, NULL);
1098 if (rv == CRYPTO_DATA_LEN_RANGE)
1099 rv = CRYPTO_ENCRYPTED_DATA_LEN_RANGE;
1100 }
1101 } else {
1102 if (des_ctx->dc_flags & CBC_MODE) {
1103 rv = cbc_decrypt_contiguous_blocks(ctx, data,
1104 length, out, DES_BLOCK_LEN, des_decrypt_block,
1105 des_copy_block, des_xor_block, NULL, NULL);
1106 } else {
1107 rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1108 out, DES_BLOCK_LEN, des_decrypt_block, NULL);
1109 if (rv == CRYPTO_DATA_LEN_RANGE)
1110 rv = CRYPTO_ENCRYPTED_DATA_LEN_RANGE;
1111 }
1112 }
1113 return (rv);
1114 }