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 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #include <sys/types.h>
27 #include <sys/systm.h>
28 #include <sys/ddi.h>
29 #include <sys/sysmacros.h>
30 #include <sys/strsun.h>
31 #include <sys/crypto/spi.h>
32 #include <modes/modes.h>
33 #include <sys/crypto/common.h>
34 #include "des_impl.h"
35 #ifndef _KERNEL
36 #include <strings.h>
37 #include <stdlib.h>
38 #endif /* !_KERNEL */
39
40 #if defined(__i386) || defined(__amd64)
41 #include <sys/byteorder.h>
42 #define UNALIGNED_POINTERS_PERMITTED
43 #endif
44
45 /* EXPORT DELETE START */
46
47 typedef struct keysched_s {
48 uint64_t ksch_encrypt[16];
49 uint64_t ksch_decrypt[16];
50 } keysched_t;
51
52 typedef struct keysched3_s {
53 uint64_t ksch_encrypt[48];
54 uint64_t ksch_decrypt[48];
55 } keysched3_t;
56
57 static void fix_des_parity(uint64_t *);
58
59 #ifndef sun4u
60
61 static const uint64_t sbox_table[8][64]=
62 {
63 /* BEGIN CSTYLED */
64 {
65 0x0000140140020000ULL, 0x0000000000000000ULL, 0x0000000140000000ULL, 0x0000140140020020ULL,
66 0x0000140140000020ULL, 0x0000000140020020ULL, 0x0000000000000020ULL, 0x0000000140000000ULL,
67 0x0000000000020000ULL, 0x0000140140020000ULL, 0x0000140140020020ULL, 0x0000000000020000ULL,
68 0x0000140000020020ULL, 0x0000140140000020ULL, 0x0000140000000000ULL, 0x0000000000000020ULL,
69 0x0000000000020020ULL, 0x0000140000020000ULL, 0x0000140000020000ULL, 0x0000000140020000ULL,
70 0x0000000140020000ULL, 0x0000140140000000ULL, 0x0000140140000000ULL, 0x0000140000020020ULL,
71 0x0000000140000020ULL, 0x0000140000000020ULL, 0x0000140000000020ULL, 0x0000000140000020ULL,
72 0x0000000000000000ULL, 0x0000000000020020ULL, 0x0000000140020020ULL, 0x0000140000000000ULL,
73 0x0000000140000000ULL, 0x0000140140020020ULL, 0x0000000000000020ULL, 0x0000140140000000ULL,
74 0x0000140140020000ULL, 0x0000140000000000ULL, 0x0000140000000000ULL, 0x0000000000020000ULL,
75 0x0000140140000020ULL, 0x0000000140000000ULL, 0x0000000140020000ULL, 0x0000140000000020ULL,
76 0x0000000000020000ULL, 0x0000000000000020ULL, 0x0000140000020020ULL, 0x0000000140020020ULL,
77 0x0000140140020020ULL, 0x0000000140000020ULL, 0x0000140140000000ULL, 0x0000140000020020ULL,
78 0x0000140000000020ULL, 0x0000000000020020ULL, 0x0000000140020020ULL, 0x0000140140020000ULL,
79 0x0000000000020020ULL, 0x0000140000020000ULL, 0x0000140000020000ULL, 0x0000000000000000ULL,
80 0x0000000140000020ULL, 0x0000000140020000ULL, 0x0000000000000000ULL, 0x0000140140000020ULL
81 },
82 {
83 0x2000005020000500ULL, 0x2000000020000000ULL, 0x0000000020000000ULL, 0x0000005020000500ULL,
84 0x0000005000000000ULL, 0x0000000000000500ULL, 0x2000005000000500ULL, 0x2000000020000500ULL,
85 0x2000000000000500ULL, 0x2000005020000500ULL, 0x2000005020000000ULL, 0x2000000000000000ULL,
86 0x2000000020000000ULL, 0x0000005000000000ULL, 0x0000000000000500ULL, 0x2000005000000500ULL,
87 0x0000005020000000ULL, 0x0000005000000500ULL, 0x2000000020000500ULL, 0x0000000000000000ULL,
88 0x2000000000000000ULL, 0x0000000020000000ULL, 0x0000005020000500ULL, 0x2000005000000000ULL,
89 0x0000005000000500ULL, 0x2000000000000500ULL, 0x0000000000000000ULL, 0x0000005020000000ULL,
90 0x0000000020000500ULL, 0x2000005020000000ULL, 0x2000005000000000ULL, 0x0000000020000500ULL,
91 0x0000000000000000ULL, 0x0000005020000500ULL, 0x2000005000000500ULL, 0x0000005000000000ULL,
92 0x2000000020000500ULL, 0x2000005000000000ULL, 0x2000005020000000ULL, 0x0000000020000000ULL,
93 0x2000005000000000ULL, 0x2000000020000000ULL, 0x0000000000000500ULL, 0x2000005020000500ULL,
94 0x0000005020000500ULL, 0x0000000000000500ULL, 0x0000000020000000ULL, 0x2000000000000000ULL,
95 0x0000000020000500ULL, 0x2000005020000000ULL, 0x0000005000000000ULL, 0x2000000000000500ULL,
96 0x0000005000000500ULL, 0x2000000020000500ULL, 0x2000000000000500ULL, 0x0000005000000500ULL,
97 0x0000005020000000ULL, 0x0000000000000000ULL, 0x2000000020000000ULL, 0x0000000020000500ULL,
98 0x2000000000000000ULL, 0x2000005000000500ULL, 0x2000005020000500ULL, 0x0000005020000000ULL
99 },
100 {
101 0x0000000000014040ULL, 0x0000800280014000ULL, 0x0000000000000000ULL, 0x0000800280000040ULL,
102 0x0000800000014000ULL, 0x0000000000000000ULL, 0x0000000280014040ULL, 0x0000800000014000ULL,
103 0x0000000280000040ULL, 0x0000800000000040ULL, 0x0000800000000040ULL, 0x0000000280000000ULL,
104 0x0000800280014040ULL, 0x0000000280000040ULL, 0x0000800280000000ULL, 0x0000000000014040ULL,
105 0x0000800000000000ULL, 0x0000000000000040ULL, 0x0000800280014000ULL, 0x0000000000014000ULL,
106 0x0000000280014000ULL, 0x0000800280000000ULL, 0x0000800280000040ULL, 0x0000000280014040ULL,
107 0x0000800000014040ULL, 0x0000000280014000ULL, 0x0000000280000000ULL, 0x0000800000014040ULL,
108 0x0000000000000040ULL, 0x0000800280014040ULL, 0x0000000000014000ULL, 0x0000800000000000ULL,
109 0x0000800280014000ULL, 0x0000800000000000ULL, 0x0000000280000040ULL, 0x0000000000014040ULL,
110 0x0000000280000000ULL, 0x0000800280014000ULL, 0x0000800000014000ULL, 0x0000000000000000ULL,
111 0x0000000000014000ULL, 0x0000000280000040ULL, 0x0000800280014040ULL, 0x0000800000014000ULL,
112 0x0000800000000040ULL, 0x0000000000014000ULL, 0x0000000000000000ULL, 0x0000800280000040ULL,
113 0x0000800000014040ULL, 0x0000000280000000ULL, 0x0000800000000000ULL, 0x0000800280014040ULL,
114 0x0000000000000040ULL, 0x0000000280014040ULL, 0x0000000280014000ULL, 0x0000800000000040ULL,
115 0x0000800280000000ULL, 0x0000800000014040ULL, 0x0000000000014040ULL, 0x0000800280000000ULL,
116 0x0000000280014040ULL, 0x0000000000000040ULL, 0x0000800280000040ULL, 0x0000000280014000ULL
117 },
118 {
119 0x4000020008100008ULL, 0x4000000008101008ULL, 0x4000000008101008ULL, 0x0000000000001000ULL,
120 0x0000020008101000ULL, 0x4000020000001008ULL, 0x4000020000000008ULL, 0x4000000008100008ULL,
121 0x0000000000000000ULL, 0x0000020008100000ULL, 0x0000020008100000ULL, 0x4000020008101008ULL,
122 0x4000000000001008ULL, 0x0000000000000000ULL, 0x0000020000001000ULL, 0x4000020000000008ULL,
123 0x4000000000000008ULL, 0x0000000008100000ULL, 0x0000020000000000ULL, 0x4000020008100008ULL,
124 0x0000000000001000ULL, 0x0000020000000000ULL, 0x4000000008100008ULL, 0x0000000008101000ULL,
125 0x4000020000001008ULL, 0x4000000000000008ULL, 0x0000000008101000ULL, 0x0000020000001000ULL,
126 0x0000000008100000ULL, 0x0000020008101000ULL, 0x4000020008101008ULL, 0x4000000000001008ULL,
127 0x0000020000001000ULL, 0x4000020000000008ULL, 0x0000020008100000ULL, 0x4000020008101008ULL,
128 0x4000000000001008ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000020008100000ULL,
129 0x0000000008101000ULL, 0x0000020000001000ULL, 0x4000020000001008ULL, 0x4000000000000008ULL,
130 0x4000020008100008ULL, 0x4000000008101008ULL, 0x4000000008101008ULL, 0x0000000000001000ULL,
131 0x4000020008101008ULL, 0x4000000000001008ULL, 0x4000000000000008ULL, 0x0000000008100000ULL,
132 0x4000020000000008ULL, 0x4000000008100008ULL, 0x0000020008101000ULL, 0x4000020000001008ULL,
133 0x4000000008100008ULL, 0x0000000008101000ULL, 0x0000020000000000ULL, 0x4000020008100008ULL,
134 0x0000000000001000ULL, 0x0000020000000000ULL, 0x0000000008100000ULL, 0x0000020008101000ULL
135 },
136 {
137 0x000000000000a000ULL, 0x000028080000a000ULL, 0x0000280800000000ULL, 0x100028000000a000ULL,
138 0x0000000800000000ULL, 0x000000000000a000ULL, 0x1000000000000000ULL, 0x0000280800000000ULL,
139 0x100000080000a000ULL, 0x0000000800000000ULL, 0x000028000000a000ULL, 0x100000080000a000ULL,
140 0x100028000000a000ULL, 0x1000280800000000ULL, 0x000000080000a000ULL, 0x1000000000000000ULL,
141 0x0000280000000000ULL, 0x1000000800000000ULL, 0x1000000800000000ULL, 0x0000000000000000ULL,
142 0x100000000000a000ULL, 0x100028080000a000ULL, 0x100028080000a000ULL, 0x000028000000a000ULL,
143 0x1000280800000000ULL, 0x100000000000a000ULL, 0x0000000000000000ULL, 0x1000280000000000ULL,
144 0x000028080000a000ULL, 0x0000280000000000ULL, 0x1000280000000000ULL, 0x000000080000a000ULL,
145 0x0000000800000000ULL, 0x100028000000a000ULL, 0x000000000000a000ULL, 0x0000280000000000ULL,
146 0x1000000000000000ULL, 0x0000280800000000ULL, 0x100028000000a000ULL, 0x100000080000a000ULL,
147 0x000028000000a000ULL, 0x1000000000000000ULL, 0x1000280800000000ULL, 0x000028080000a000ULL,
148 0x100000080000a000ULL, 0x000000000000a000ULL, 0x0000280000000000ULL, 0x1000280800000000ULL,
149 0x100028080000a000ULL, 0x000000080000a000ULL, 0x1000280000000000ULL, 0x100028080000a000ULL,
150 0x0000280800000000ULL, 0x0000000000000000ULL, 0x1000000800000000ULL, 0x1000280000000000ULL,
151 0x000000080000a000ULL, 0x000028000000a000ULL, 0x100000000000a000ULL, 0x0000000800000000ULL,
152 0x0000000000000000ULL, 0x1000000800000000ULL, 0x000028080000a000ULL, 0x100000000000a000ULL
153 },
154 {
155 0x0802000000000280ULL, 0x0802010000000000ULL, 0x0000000010000000ULL, 0x0802010010000280ULL,
156 0x0802010000000000ULL, 0x0000000000000280ULL, 0x0802010010000280ULL, 0x0000010000000000ULL,
157 0x0802000010000000ULL, 0x0000010010000280ULL, 0x0000010000000000ULL, 0x0802000000000280ULL,
158 0x0000010000000280ULL, 0x0802000010000000ULL, 0x0802000000000000ULL, 0x0000000010000280ULL,
159 0x0000000000000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL, 0x0000000010000000ULL,
160 0x0000010010000000ULL, 0x0802000010000280ULL, 0x0000000000000280ULL, 0x0802010000000280ULL,
161 0x0802010000000280ULL, 0x0000000000000000ULL, 0x0000010010000280ULL, 0x0802010010000000ULL,
162 0x0000000010000280ULL, 0x0000010010000000ULL, 0x0802010010000000ULL, 0x0802000000000000ULL,
163 0x0802000010000000ULL, 0x0000000000000280ULL, 0x0802010000000280ULL, 0x0000010010000000ULL,
164 0x0802010010000280ULL, 0x0000010000000000ULL, 0x0000000010000280ULL, 0x0802000000000280ULL,
165 0x0000010000000000ULL, 0x0802000010000000ULL, 0x0802000000000000ULL, 0x0000000010000280ULL,
166 0x0802000000000280ULL, 0x0802010010000280ULL, 0x0000010010000000ULL, 0x0802010000000000ULL,
167 0x0000010010000280ULL, 0x0802010010000000ULL, 0x0000000000000000ULL, 0x0802010000000280ULL,
168 0x0000000000000280ULL, 0x0000000010000000ULL, 0x0802010000000000ULL, 0x0000010010000280ULL,
169 0x0000000010000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL, 0x0000000000000000ULL,
170 0x0802010010000000ULL, 0x0802000000000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL
171 },
172 {
173 0x000000a000000000ULL, 0x800040a000000010ULL, 0x8000400000040010ULL, 0x0000000000000000ULL,
174 0x0000000000040000ULL, 0x8000400000040010ULL, 0x800000a000040010ULL, 0x000040a000040000ULL,
175 0x800040a000040010ULL, 0x000000a000000000ULL, 0x0000000000000000ULL, 0x8000400000000010ULL,
176 0x8000000000000010ULL, 0x0000400000000000ULL, 0x800040a000000010ULL, 0x8000000000040010ULL,
177 0x0000400000040000ULL, 0x800000a000040010ULL, 0x800000a000000010ULL, 0x0000400000040000ULL,
178 0x8000400000000010ULL, 0x000040a000000000ULL, 0x000040a000040000ULL, 0x800000a000000010ULL,
179 0x000040a000000000ULL, 0x0000000000040000ULL, 0x8000000000040010ULL, 0x800040a000040010ULL,
180 0x000000a000040000ULL, 0x8000000000000010ULL, 0x0000400000000000ULL, 0x000000a000040000ULL,
181 0x0000400000000000ULL, 0x000000a000040000ULL, 0x000000a000000000ULL, 0x8000400000040010ULL,
182 0x8000400000040010ULL, 0x800040a000000010ULL, 0x800040a000000010ULL, 0x8000000000000010ULL,
183 0x800000a000000010ULL, 0x0000400000000000ULL, 0x0000400000040000ULL, 0x000000a000000000ULL,
184 0x000040a000040000ULL, 0x8000000000040010ULL, 0x800000a000040010ULL, 0x000040a000040000ULL,
185 0x8000000000040010ULL, 0x8000400000000010ULL, 0x800040a000040010ULL, 0x000040a000000000ULL,
186 0x000000a000040000ULL, 0x0000000000000000ULL, 0x8000000000000010ULL, 0x800040a000040010ULL,
187 0x0000000000000000ULL, 0x800000a000040010ULL, 0x000040a000000000ULL, 0x0000000000040000ULL,
188 0x8000400000000010ULL, 0x0000400000040000ULL, 0x0000000000040000ULL, 0x800000a000000010ULL
189 },
190 {
191 0x0401000004080800ULL, 0x0000000004080000ULL, 0x0000000400000000ULL, 0x0401000404080800ULL,
192 0x0401000000000000ULL, 0x0401000004080800ULL, 0x0000000000000800ULL, 0x0401000000000000ULL,
193 0x0000000400000800ULL, 0x0401000400000000ULL, 0x0401000404080800ULL, 0x0000000404080000ULL,
194 0x0401000404080000ULL, 0x0000000404080800ULL, 0x0000000004080000ULL, 0x0000000000000800ULL,
195 0x0401000400000000ULL, 0x0401000000000800ULL, 0x0401000004080000ULL, 0x0000000004080800ULL,
196 0x0000000404080000ULL, 0x0000000400000800ULL, 0x0401000400000800ULL, 0x0401000404080000ULL,
197 0x0000000004080800ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0401000400000800ULL,
198 0x0401000000000800ULL, 0x0401000004080000ULL, 0x0000000404080800ULL, 0x0000000400000000ULL,
199 0x0000000404080800ULL, 0x0000000400000000ULL, 0x0401000404080000ULL, 0x0000000004080000ULL,
200 0x0000000000000800ULL, 0x0401000400000800ULL, 0x0000000004080000ULL, 0x0000000404080800ULL,
201 0x0401000004080000ULL, 0x0000000000000800ULL, 0x0401000000000800ULL, 0x0401000400000000ULL,
202 0x0401000400000800ULL, 0x0401000000000000ULL, 0x0000000400000000ULL, 0x0401000004080800ULL,
203 0x0000000000000000ULL, 0x0401000404080800ULL, 0x0000000400000800ULL, 0x0401000000000800ULL,
204 0x0401000400000000ULL, 0x0401000004080000ULL, 0x0401000004080800ULL, 0x0000000000000000ULL,
205 0x0401000404080800ULL, 0x0000000404080000ULL, 0x0000000404080000ULL, 0x0000000004080800ULL,
206 0x0000000004080800ULL, 0x0000000400000800ULL, 0x0401000000000000ULL, 0x0401000404080000ULL
207 }
208 /* END CSTYLED */
209 };
210
211
212 static const uint64_t ip_table[2][256]=
213 {
214 /* BEGIN CSTYLED */
215 {
216 0x0000000000000000ULL, 0x0000000000000400ULL, 0x0080000000000280ULL, 0x0080000000000680ULL,
217 0x0000000000400000ULL, 0x0000000000400400ULL, 0x0080000000400280ULL, 0x0080000000400680ULL,
218 0x0000000000280000ULL, 0x0000000000280400ULL, 0x0080000000280280ULL, 0x0080000000280680ULL,
219 0x0000000000680000ULL, 0x0000000000680400ULL, 0x0080000000680280ULL, 0x0080000000680680ULL,
220 0x0000000400000000ULL, 0x0000000400000400ULL, 0x0080000400000280ULL, 0x0080000400000680ULL,
221 0x0000000400400000ULL, 0x0000000400400400ULL, 0x0080000400400280ULL, 0x0080000400400680ULL,
222 0x0000000400280000ULL, 0x0000000400280400ULL, 0x0080000400280280ULL, 0x0080000400280680ULL,
223 0x0000000400680000ULL, 0x0000000400680400ULL, 0x0080000400680280ULL, 0x0080000400680680ULL,
224 0x0000000280000000ULL, 0x0000000280000400ULL, 0x0080000280000280ULL, 0x0080000280000680ULL,
225 0x0000000280400000ULL, 0x0000000280400400ULL, 0x0080000280400280ULL, 0x0080000280400680ULL,
226 0x0000000280280000ULL, 0x0000000280280400ULL, 0x0080000280280280ULL, 0x0080000280280680ULL,
227 0x0000000280680000ULL, 0x0000000280680400ULL, 0x0080000280680280ULL, 0x0080000280680680ULL,
228 0x0000000680000000ULL, 0x0000000680000400ULL, 0x0080000680000280ULL, 0x0080000680000680ULL,
229 0x0000000680400000ULL, 0x0000000680400400ULL, 0x0080000680400280ULL, 0x0080000680400680ULL,
230 0x0000000680280000ULL, 0x0000000680280400ULL, 0x0080000680280280ULL, 0x0080000680280680ULL,
231 0x0000000680680000ULL, 0x0000000680680400ULL, 0x0080000680680280ULL, 0x0080000680680680ULL,
232 0x0000400000000000ULL, 0x0000400000000400ULL, 0x0080400000000280ULL, 0x0080400000000680ULL,
233 0x0000400000400000ULL, 0x0000400000400400ULL, 0x0080400000400280ULL, 0x0080400000400680ULL,
234 0x0000400000280000ULL, 0x0000400000280400ULL, 0x0080400000280280ULL, 0x0080400000280680ULL,
235 0x0000400000680000ULL, 0x0000400000680400ULL, 0x0080400000680280ULL, 0x0080400000680680ULL,
236 0x0000400400000000ULL, 0x0000400400000400ULL, 0x0080400400000280ULL, 0x0080400400000680ULL,
237 0x0000400400400000ULL, 0x0000400400400400ULL, 0x0080400400400280ULL, 0x0080400400400680ULL,
238 0x0000400400280000ULL, 0x0000400400280400ULL, 0x0080400400280280ULL, 0x0080400400280680ULL,
239 0x0000400400680000ULL, 0x0000400400680400ULL, 0x0080400400680280ULL, 0x0080400400680680ULL,
240 0x0000400280000000ULL, 0x0000400280000400ULL, 0x0080400280000280ULL, 0x0080400280000680ULL,
241 0x0000400280400000ULL, 0x0000400280400400ULL, 0x0080400280400280ULL, 0x0080400280400680ULL,
242 0x0000400280280000ULL, 0x0000400280280400ULL, 0x0080400280280280ULL, 0x0080400280280680ULL,
243 0x0000400280680000ULL, 0x0000400280680400ULL, 0x0080400280680280ULL, 0x0080400280680680ULL,
244 0x0000400680000000ULL, 0x0000400680000400ULL, 0x0080400680000280ULL, 0x0080400680000680ULL,
245 0x0000400680400000ULL, 0x0000400680400400ULL, 0x0080400680400280ULL, 0x0080400680400680ULL,
246 0x0000400680280000ULL, 0x0000400680280400ULL, 0x0080400680280280ULL, 0x0080400680280680ULL,
247 0x0000400680680000ULL, 0x0000400680680400ULL, 0x0080400680680280ULL, 0x0080400680680680ULL,
248 0x0000280000000000ULL, 0x0000280000000400ULL, 0x0080280000000280ULL, 0x0080280000000680ULL,
249 0x0000280000400000ULL, 0x0000280000400400ULL, 0x0080280000400280ULL, 0x0080280000400680ULL,
250 0x0000280000280000ULL, 0x0000280000280400ULL, 0x0080280000280280ULL, 0x0080280000280680ULL,
251 0x0000280000680000ULL, 0x0000280000680400ULL, 0x0080280000680280ULL, 0x0080280000680680ULL,
252 0x0000280400000000ULL, 0x0000280400000400ULL, 0x0080280400000280ULL, 0x0080280400000680ULL,
253 0x0000280400400000ULL, 0x0000280400400400ULL, 0x0080280400400280ULL, 0x0080280400400680ULL,
254 0x0000280400280000ULL, 0x0000280400280400ULL, 0x0080280400280280ULL, 0x0080280400280680ULL,
255 0x0000280400680000ULL, 0x0000280400680400ULL, 0x0080280400680280ULL, 0x0080280400680680ULL,
256 0x0000280280000000ULL, 0x0000280280000400ULL, 0x0080280280000280ULL, 0x0080280280000680ULL,
257 0x0000280280400000ULL, 0x0000280280400400ULL, 0x0080280280400280ULL, 0x0080280280400680ULL,
258 0x0000280280280000ULL, 0x0000280280280400ULL, 0x0080280280280280ULL, 0x0080280280280680ULL,
259 0x0000280280680000ULL, 0x0000280280680400ULL, 0x0080280280680280ULL, 0x0080280280680680ULL,
260 0x0000280680000000ULL, 0x0000280680000400ULL, 0x0080280680000280ULL, 0x0080280680000680ULL,
261 0x0000280680400000ULL, 0x0000280680400400ULL, 0x0080280680400280ULL, 0x0080280680400680ULL,
262 0x0000280680280000ULL, 0x0000280680280400ULL, 0x0080280680280280ULL, 0x0080280680280680ULL,
263 0x0000280680680000ULL, 0x0000280680680400ULL, 0x0080280680680280ULL, 0x0080280680680680ULL,
264 0x0000680000000000ULL, 0x0000680000000400ULL, 0x0080680000000280ULL, 0x0080680000000680ULL,
265 0x0000680000400000ULL, 0x0000680000400400ULL, 0x0080680000400280ULL, 0x0080680000400680ULL,
266 0x0000680000280000ULL, 0x0000680000280400ULL, 0x0080680000280280ULL, 0x0080680000280680ULL,
267 0x0000680000680000ULL, 0x0000680000680400ULL, 0x0080680000680280ULL, 0x0080680000680680ULL,
268 0x0000680400000000ULL, 0x0000680400000400ULL, 0x0080680400000280ULL, 0x0080680400000680ULL,
269 0x0000680400400000ULL, 0x0000680400400400ULL, 0x0080680400400280ULL, 0x0080680400400680ULL,
270 0x0000680400280000ULL, 0x0000680400280400ULL, 0x0080680400280280ULL, 0x0080680400280680ULL,
271 0x0000680400680000ULL, 0x0000680400680400ULL, 0x0080680400680280ULL, 0x0080680400680680ULL,
272 0x0000680280000000ULL, 0x0000680280000400ULL, 0x0080680280000280ULL, 0x0080680280000680ULL,
273 0x0000680280400000ULL, 0x0000680280400400ULL, 0x0080680280400280ULL, 0x0080680280400680ULL,
274 0x0000680280280000ULL, 0x0000680280280400ULL, 0x0080680280280280ULL, 0x0080680280280680ULL,
275 0x0000680280680000ULL, 0x0000680280680400ULL, 0x0080680280680280ULL, 0x0080680280680680ULL,
276 0x0000680680000000ULL, 0x0000680680000400ULL, 0x0080680680000280ULL, 0x0080680680000680ULL,
277 0x0000680680400000ULL, 0x0000680680400400ULL, 0x0080680680400280ULL, 0x0080680680400680ULL,
278 0x0000680680280000ULL, 0x0000680680280400ULL, 0x0080680680280280ULL, 0x0080680680280680ULL,
279 0x0000680680680000ULL, 0x0000680680680400ULL, 0x0080680680680280ULL, 0x0080680680680680ULL
280 },
281 {
282 0x0000000000000000ULL, 0x0000000000005000ULL, 0x0000000000000800ULL, 0x0000000000005800ULL,
283 0x0000000005000000ULL, 0x0000000005005000ULL, 0x0000000005000800ULL, 0x0000000005005800ULL,
284 0x0000000000800000ULL, 0x0000000000805000ULL, 0x0000000000800800ULL, 0x0000000000805800ULL,
285 0x0000000005800000ULL, 0x0000000005805000ULL, 0x0000000005800800ULL, 0x0000000005805800ULL,
286 0x0000005000000000ULL, 0x0000005000005000ULL, 0x0000005000000800ULL, 0x0000005000005800ULL,
287 0x0000005005000000ULL, 0x0000005005005000ULL, 0x0000005005000800ULL, 0x0000005005005800ULL,
288 0x0000005000800000ULL, 0x0000005000805000ULL, 0x0000005000800800ULL, 0x0000005000805800ULL,
289 0x0000005005800000ULL, 0x0000005005805000ULL, 0x0000005005800800ULL, 0x0000005005805800ULL,
290 0x0000000800000000ULL, 0x0000000800005000ULL, 0x0000000800000800ULL, 0x0000000800005800ULL,
291 0x0000000805000000ULL, 0x0000000805005000ULL, 0x0000000805000800ULL, 0x0000000805005800ULL,
292 0x0000000800800000ULL, 0x0000000800805000ULL, 0x0000000800800800ULL, 0x0000000800805800ULL,
293 0x0000000805800000ULL, 0x0000000805805000ULL, 0x0000000805800800ULL, 0x0000000805805800ULL,
294 0x0000005800000000ULL, 0x0000005800005000ULL, 0x0000005800000800ULL, 0x0000005800005800ULL,
295 0x0000005805000000ULL, 0x0000005805005000ULL, 0x0000005805000800ULL, 0x0000005805005800ULL,
296 0x0000005800800000ULL, 0x0000005800805000ULL, 0x0000005800800800ULL, 0x0000005800805800ULL,
297 0x0000005805800000ULL, 0x0000005805805000ULL, 0x0000005805800800ULL, 0x0000005805805800ULL,
298 0x0005000000000004ULL, 0x0005000000005004ULL, 0x0005000000000804ULL, 0x0005000000005804ULL,
299 0x0005000005000004ULL, 0x0005000005005004ULL, 0x0005000005000804ULL, 0x0005000005005804ULL,
300 0x0005000000800004ULL, 0x0005000000805004ULL, 0x0005000000800804ULL, 0x0005000000805804ULL,
301 0x0005000005800004ULL, 0x0005000005805004ULL, 0x0005000005800804ULL, 0x0005000005805804ULL,
302 0x0005005000000004ULL, 0x0005005000005004ULL, 0x0005005000000804ULL, 0x0005005000005804ULL,
303 0x0005005005000004ULL, 0x0005005005005004ULL, 0x0005005005000804ULL, 0x0005005005005804ULL,
304 0x0005005000800004ULL, 0x0005005000805004ULL, 0x0005005000800804ULL, 0x0005005000805804ULL,
305 0x0005005005800004ULL, 0x0005005005805004ULL, 0x0005005005800804ULL, 0x0005005005805804ULL,
306 0x0005000800000004ULL, 0x0005000800005004ULL, 0x0005000800000804ULL, 0x0005000800005804ULL,
307 0x0005000805000004ULL, 0x0005000805005004ULL, 0x0005000805000804ULL, 0x0005000805005804ULL,
308 0x0005000800800004ULL, 0x0005000800805004ULL, 0x0005000800800804ULL, 0x0005000800805804ULL,
309 0x0005000805800004ULL, 0x0005000805805004ULL, 0x0005000805800804ULL, 0x0005000805805804ULL,
310 0x0005005800000004ULL, 0x0005005800005004ULL, 0x0005005800000804ULL, 0x0005005800005804ULL,
311 0x0005005805000004ULL, 0x0005005805005004ULL, 0x0005005805000804ULL, 0x0005005805005804ULL,
312 0x0005005800800004ULL, 0x0005005800805004ULL, 0x0005005800800804ULL, 0x0005005800805804ULL,
313 0x0005005805800004ULL, 0x0005005805805004ULL, 0x0005005805800804ULL, 0x0005005805805804ULL,
314 0x0000800000000000ULL, 0x0000800000005000ULL, 0x0000800000000800ULL, 0x0000800000005800ULL,
315 0x0000800005000000ULL, 0x0000800005005000ULL, 0x0000800005000800ULL, 0x0000800005005800ULL,
316 0x0000800000800000ULL, 0x0000800000805000ULL, 0x0000800000800800ULL, 0x0000800000805800ULL,
317 0x0000800005800000ULL, 0x0000800005805000ULL, 0x0000800005800800ULL, 0x0000800005805800ULL,
318 0x0000805000000000ULL, 0x0000805000005000ULL, 0x0000805000000800ULL, 0x0000805000005800ULL,
319 0x0000805005000000ULL, 0x0000805005005000ULL, 0x0000805005000800ULL, 0x0000805005005800ULL,
320 0x0000805000800000ULL, 0x0000805000805000ULL, 0x0000805000800800ULL, 0x0000805000805800ULL,
321 0x0000805005800000ULL, 0x0000805005805000ULL, 0x0000805005800800ULL, 0x0000805005805800ULL,
322 0x0000800800000000ULL, 0x0000800800005000ULL, 0x0000800800000800ULL, 0x0000800800005800ULL,
323 0x0000800805000000ULL, 0x0000800805005000ULL, 0x0000800805000800ULL, 0x0000800805005800ULL,
324 0x0000800800800000ULL, 0x0000800800805000ULL, 0x0000800800800800ULL, 0x0000800800805800ULL,
325 0x0000800805800000ULL, 0x0000800805805000ULL, 0x0000800805800800ULL, 0x0000800805805800ULL,
326 0x0000805800000000ULL, 0x0000805800005000ULL, 0x0000805800000800ULL, 0x0000805800005800ULL,
327 0x0000805805000000ULL, 0x0000805805005000ULL, 0x0000805805000800ULL, 0x0000805805005800ULL,
328 0x0000805800800000ULL, 0x0000805800805000ULL, 0x0000805800800800ULL, 0x0000805800805800ULL,
329 0x0000805805800000ULL, 0x0000805805805000ULL, 0x0000805805800800ULL, 0x0000805805805800ULL,
330 0x0005800000000004ULL, 0x0005800000005004ULL, 0x0005800000000804ULL, 0x0005800000005804ULL,
331 0x0005800005000004ULL, 0x0005800005005004ULL, 0x0005800005000804ULL, 0x0005800005005804ULL,
332 0x0005800000800004ULL, 0x0005800000805004ULL, 0x0005800000800804ULL, 0x0005800000805804ULL,
333 0x0005800005800004ULL, 0x0005800005805004ULL, 0x0005800005800804ULL, 0x0005800005805804ULL,
334 0x0005805000000004ULL, 0x0005805000005004ULL, 0x0005805000000804ULL, 0x0005805000005804ULL,
335 0x0005805005000004ULL, 0x0005805005005004ULL, 0x0005805005000804ULL, 0x0005805005005804ULL,
336 0x0005805000800004ULL, 0x0005805000805004ULL, 0x0005805000800804ULL, 0x0005805000805804ULL,
337 0x0005805005800004ULL, 0x0005805005805004ULL, 0x0005805005800804ULL, 0x0005805005805804ULL,
338 0x0005800800000004ULL, 0x0005800800005004ULL, 0x0005800800000804ULL, 0x0005800800005804ULL,
339 0x0005800805000004ULL, 0x0005800805005004ULL, 0x0005800805000804ULL, 0x0005800805005804ULL,
340 0x0005800800800004ULL, 0x0005800800805004ULL, 0x0005800800800804ULL, 0x0005800800805804ULL,
341 0x0005800805800004ULL, 0x0005800805805004ULL, 0x0005800805800804ULL, 0x0005800805805804ULL,
342 0x0005805800000004ULL, 0x0005805800005004ULL, 0x0005805800000804ULL, 0x0005805800005804ULL,
343 0x0005805805000004ULL, 0x0005805805005004ULL, 0x0005805805000804ULL, 0x0005805805005804ULL,
344 0x0005805800800004ULL, 0x0005805800805004ULL, 0x0005805800800804ULL, 0x0005805800805804ULL,
345 0x0005805805800004ULL, 0x0005805805805004ULL, 0x0005805805800804ULL, 0x0005805805805804ULL
346 }
347 /* END CSTYLED */
348 };
349
350 static const uint32_t fp_table[256]=
351 {
352 0x00000000, 0x80000000, 0x00800000, 0x80800000,
353 0x00008000, 0x80008000, 0x00808000, 0x80808000,
354 0x00000080, 0x80000080, 0x00800080, 0x80800080,
355 0x00008080, 0x80008080, 0x00808080, 0x80808080,
356 0x40000000, 0xc0000000, 0x40800000, 0xc0800000,
357 0x40008000, 0xc0008000, 0x40808000, 0xc0808000,
358 0x40000080, 0xc0000080, 0x40800080, 0xc0800080,
359 0x40008080, 0xc0008080, 0x40808080, 0xc0808080,
360 0x00400000, 0x80400000, 0x00c00000, 0x80c00000,
361 0x00408000, 0x80408000, 0x00c08000, 0x80c08000,
362 0x00400080, 0x80400080, 0x00c00080, 0x80c00080,
363 0x00408080, 0x80408080, 0x00c08080, 0x80c08080,
364 0x40400000, 0xc0400000, 0x40c00000, 0xc0c00000,
365 0x40408000, 0xc0408000, 0x40c08000, 0xc0c08000,
366 0x40400080, 0xc0400080, 0x40c00080, 0xc0c00080,
367 0x40408080, 0xc0408080, 0x40c08080, 0xc0c08080,
368 0x00004000, 0x80004000, 0x00804000, 0x80804000,
369 0x0000c000, 0x8000c000, 0x0080c000, 0x8080c000,
370 0x00004080, 0x80004080, 0x00804080, 0x80804080,
371 0x0000c080, 0x8000c080, 0x0080c080, 0x8080c080,
372 0x40004000, 0xc0004000, 0x40804000, 0xc0804000,
373 0x4000c000, 0xc000c000, 0x4080c000, 0xc080c000,
374 0x40004080, 0xc0004080, 0x40804080, 0xc0804080,
375 0x4000c080, 0xc000c080, 0x4080c080, 0xc080c080,
376 0x00404000, 0x80404000, 0x00c04000, 0x80c04000,
377 0x0040c000, 0x8040c000, 0x00c0c000, 0x80c0c000,
378 0x00404080, 0x80404080, 0x00c04080, 0x80c04080,
379 0x0040c080, 0x8040c080, 0x00c0c080, 0x80c0c080,
380 0x40404000, 0xc0404000, 0x40c04000, 0xc0c04000,
381 0x4040c000, 0xc040c000, 0x40c0c000, 0xc0c0c000,
382 0x40404080, 0xc0404080, 0x40c04080, 0xc0c04080,
383 0x4040c080, 0xc040c080, 0x40c0c080, 0xc0c0c080,
384 0x00000040, 0x80000040, 0x00800040, 0x80800040,
385 0x00008040, 0x80008040, 0x00808040, 0x80808040,
386 0x000000c0, 0x800000c0, 0x008000c0, 0x808000c0,
387 0x000080c0, 0x800080c0, 0x008080c0, 0x808080c0,
388 0x40000040, 0xc0000040, 0x40800040, 0xc0800040,
389 0x40008040, 0xc0008040, 0x40808040, 0xc0808040,
390 0x400000c0, 0xc00000c0, 0x408000c0, 0xc08000c0,
391 0x400080c0, 0xc00080c0, 0x408080c0, 0xc08080c0,
392 0x00400040, 0x80400040, 0x00c00040, 0x80c00040,
393 0x00408040, 0x80408040, 0x00c08040, 0x80c08040,
394 0x004000c0, 0x804000c0, 0x00c000c0, 0x80c000c0,
395 0x004080c0, 0x804080c0, 0x00c080c0, 0x80c080c0,
396 0x40400040, 0xc0400040, 0x40c00040, 0xc0c00040,
397 0x40408040, 0xc0408040, 0x40c08040, 0xc0c08040,
398 0x404000c0, 0xc04000c0, 0x40c000c0, 0xc0c000c0,
399 0x404080c0, 0xc04080c0, 0x40c080c0, 0xc0c080c0,
400 0x00004040, 0x80004040, 0x00804040, 0x80804040,
401 0x0000c040, 0x8000c040, 0x0080c040, 0x8080c040,
402 0x000040c0, 0x800040c0, 0x008040c0, 0x808040c0,
403 0x0000c0c0, 0x8000c0c0, 0x0080c0c0, 0x8080c0c0,
404 0x40004040, 0xc0004040, 0x40804040, 0xc0804040,
405 0x4000c040, 0xc000c040, 0x4080c040, 0xc080c040,
406 0x400040c0, 0xc00040c0, 0x408040c0, 0xc08040c0,
407 0x4000c0c0, 0xc000c0c0, 0x4080c0c0, 0xc080c0c0,
408 0x00404040, 0x80404040, 0x00c04040, 0x80c04040,
409 0x0040c040, 0x8040c040, 0x00c0c040, 0x80c0c040,
410 0x004040c0, 0x804040c0, 0x00c040c0, 0x80c040c0,
411 0x0040c0c0, 0x8040c0c0, 0x00c0c0c0, 0x80c0c0c0,
412 0x40404040, 0xc0404040, 0x40c04040, 0xc0c04040,
413 0x4040c040, 0xc040c040, 0x40c0c040, 0xc0c0c040,
414 0x404040c0, 0xc04040c0, 0x40c040c0, 0xc0c040c0,
415 0x4040c0c0, 0xc040c0c0, 0x40c0c0c0, 0xc0c0c0c0
416 };
417
418 static const uint64_t all_a = 0xaaaaaaaaaaaaaaaaULL;
419 static const uint64_t all_5 = 0x5555555555555555ULL;
420 static const uint64_t top_1 = 0xfc000000000000ULL;
421 static const uint64_t mid_4 = 0x3fffffc000000ULL;
422 static const uint64_t low_3 = 0x3ffff00ULL;
423
424
425 static void
426 des_ip(uint64_t *l, uint64_t *r, uint64_t pt)
427 {
428 uint64_t a, b;
429
430 a = pt & all_a;
431 b = pt & all_5;
432 a = a | (a << 7);
433 b = b | (b >> 7);
434
435 b = (ip_table[0][(b >> 48) & 255ULL]) |
436 (ip_table[1][(b >> 32) & 255ULL]) |
437 (ip_table[0][(b >> 16) & 255ULL] << 6) |
438 (ip_table[1][b & 255ULL] << 6);
439
440 a = (ip_table[0][(a >> 56) & 255]) |
441 (ip_table[1][(a >> 40) & 255]) |
442 (ip_table[0][(a >> 24) & 255] << 6) |
443 (ip_table[1][(a >> 8) & 255] << 6);
444
445 *l = ((b & top_1) << 8) |
446 (b & mid_4) |
447 ((b & low_3) >> 5);
448
449 *r = ((a & top_1) << 8) |
450 (a & mid_4) |
451 ((a & low_3) >> 5);
452 }
453
454
455 static uint64_t
456 des_fp(uint64_t l, uint64_t r)
457 {
458 uint32_t upper, lower;
459
460 lower = fp_table[((l >> 55) & 240) | ((r >> 59) & 15)] |
461 (fp_table[((l >> 35) & 240) | ((r>>39) & 15)] >> 2) |
462 (fp_table[((l >> 23) & 240) | ((r >> 27) & 15)] >> 4) |
463 (fp_table[((l >> 6) & 240) | ((r >> 10) & 15)] >> 6);
464
465 upper = fp_table[((l >> 41) & 240) | ((r >> 45) & 15)] |
466 (fp_table[((l >> 29) & 240) | ((r >> 33) & 15)] >> 2) |
467 (fp_table[((l >> 12) & 240) | ((r >> 16) & 15)] >> 4) |
468 (fp_table[(l & 240) | (r >> 4) & 15] >> 6);
469
470 return ((((uint64_t)upper) << 32) | (uint64_t)lower);
471
472 }
473
474 uint64_t
475 des_crypt_impl(uint64_t *ks, uint64_t block, int one_or_three)
476 {
477 int i, j;
478 uint64_t l, r, t;
479
480 des_ip(&l, &r, block);
481 for (j = 0; j < one_or_three; j++) {
482 for (i = j * 16; i < (j + 1) * 16; i++) {
483 t = r ^ ks[i];
484 t = sbox_table[0][t >> 58] |
485 sbox_table[1][(t >> 44) & 63] |
486 sbox_table[2][(t >> 38) & 63] |
487 sbox_table[3][(t >> 32) & 63] |
488 sbox_table[4][(t >> 26) & 63] |
489 sbox_table[5][(t >> 15) & 63] |
490 sbox_table[6][(t >> 9) & 63] |
491 sbox_table[7][(t >> 3) & 63];
492 t = t^l;
493 l = r;
494 r = t;
495 }
496 r = l;
497 l = t;
498 }
499
500 return (des_fp(l, r));
501 }
502 #endif /* !sun4u */
503
504 /* EXPORT DELETE END */
505
506 int
507 des3_crunch_block(const void *cookie, const uint8_t block[DES_BLOCK_LEN],
508 uint8_t out_block[DES_BLOCK_LEN], boolean_t decrypt)
509 {
510 /* EXPORT DELETE START */
511 keysched3_t *ksch = (keysched3_t *)cookie;
512
513 /*
514 * The code below, that is always executed on LITTLE_ENDIAN machines,
515 * reverses bytes in the block. On BIG_ENDIAN, the same code
516 * copies the block without reversing bytes.
517 */
518 #ifdef _BIG_ENDIAN
519 if (IS_P2ALIGNED(block, sizeof (uint64_t)) &&
520 IS_P2ALIGNED(out_block, sizeof (uint64_t))) {
521 if (decrypt == B_TRUE)
522 /* LINTED */
523 *(uint64_t *)out_block = des_crypt_impl(
524 ksch->ksch_decrypt, /* LINTED */
525 *(uint64_t *)block, 3);
526 else
527 /* LINTED */
528 *(uint64_t *)out_block = des_crypt_impl(
529 ksch->ksch_encrypt, /* LINTED */
530 *(uint64_t *)block, 3);
531 } else
532 #endif /* _BIG_ENDIAN */
533 {
534 uint64_t tmp;
535
536 #ifdef UNALIGNED_POINTERS_PERMITTED
537 tmp = htonll(*(uint64_t *)&block[0]);
538 #else
539 tmp = (((uint64_t)block[0] << 56) | ((uint64_t)block[1] << 48) |
540 ((uint64_t)block[2] << 40) | ((uint64_t)block[3] << 32) |
541 ((uint64_t)block[4] << 24) | ((uint64_t)block[5] << 16) |
542 ((uint64_t)block[6] << 8) | (uint64_t)block[7]);
543 #endif /* UNALIGNED_POINTERS_PERMITTED */
544
545 if (decrypt == B_TRUE)
546 tmp = des_crypt_impl(ksch->ksch_decrypt, tmp, 3);
547 else
548 tmp = des_crypt_impl(ksch->ksch_encrypt, tmp, 3);
549
550 #ifdef UNALIGNED_POINTERS_PERMITTED
551 *(uint64_t *)&out_block[0] = htonll(tmp);
552 #else
553 out_block[0] = tmp >> 56;
554 out_block[1] = tmp >> 48;
555 out_block[2] = tmp >> 40;
556 out_block[3] = tmp >> 32;
557 out_block[4] = tmp >> 24;
558 out_block[5] = tmp >> 16;
559 out_block[6] = tmp >> 8;
560 out_block[7] = (uint8_t)tmp;
561 #endif /* UNALIGNED_POINTERS_PERMITTED */
562 }
563 /* EXPORT DELETE END */
564 return (CRYPTO_SUCCESS);
565 }
566
567 int
568 des_crunch_block(const void *cookie, const uint8_t block[DES_BLOCK_LEN],
569 uint8_t out_block[DES_BLOCK_LEN], boolean_t decrypt)
570 {
571 /* EXPORT DELETE START */
572 keysched_t *ksch = (keysched_t *)cookie;
573
574 /*
575 * The code below, that is always executed on LITTLE_ENDIAN machines,
576 * reverses bytes in the block. On BIG_ENDIAN, the same code
577 * copies the block without reversing bytes.
578 */
579 #ifdef _BIG_ENDIAN
580 if (IS_P2ALIGNED(block, sizeof (uint64_t)) &&
581 IS_P2ALIGNED(out_block, sizeof (uint64_t))) {
582 if (decrypt == B_TRUE)
583 /* LINTED */
584 *(uint64_t *)out_block = des_crypt_impl(
585 ksch->ksch_decrypt, /* LINTED */
586 *(uint64_t *)block, 1);
587 else
588 /* LINTED */
589 *(uint64_t *)out_block = des_crypt_impl(
590 ksch->ksch_encrypt, /* LINTED */
591 *(uint64_t *)block, 1);
592
593 } else
594 #endif /* _BIG_ENDIAN */
595 {
596 uint64_t tmp;
597
598 #ifdef UNALIGNED_POINTERS_PERMITTED
599 tmp = htonll(*(uint64_t *)&block[0]);
600 #else
601 tmp = (((uint64_t)block[0] << 56) | ((uint64_t)block[1] << 48) |
602 ((uint64_t)block[2] << 40) | ((uint64_t)block[3] << 32) |
603 ((uint64_t)block[4] << 24) | ((uint64_t)block[5] << 16) |
604 ((uint64_t)block[6] << 8) | (uint64_t)block[7]);
605 #endif /* UNALIGNED_POINTERS_PERMITTED */
606
607
608 if (decrypt == B_TRUE)
609 tmp = des_crypt_impl(ksch->ksch_decrypt, tmp, 1);
610 else
611 tmp = des_crypt_impl(ksch->ksch_encrypt, tmp, 1);
612
613 #ifdef UNALIGNED_POINTERS_PERMITTED
614 *(uint64_t *)&out_block[0] = htonll(tmp);
615 #else
616 out_block[0] = tmp >> 56;
617 out_block[1] = tmp >> 48;
618 out_block[2] = tmp >> 40;
619 out_block[3] = tmp >> 32;
620 out_block[4] = tmp >> 24;
621 out_block[5] = tmp >> 16;
622 out_block[6] = tmp >> 8;
623 out_block[7] = (uint8_t)tmp;
624 #endif /* UNALIGNED_POINTERS_PERMITTED */
625 }
626 /* EXPORT DELETE END */
627 return (CRYPTO_SUCCESS);
628 }
629
630 static boolean_t
631 keycheck(uint8_t *key, uint8_t *corrected_key)
632 {
633 /* EXPORT DELETE START */
634 uint64_t key_so_far;
635 uint_t i;
636 /*
637 * Table of weak and semi-weak keys. Fortunately, weak keys are
638 * endian-independent, and some semi-weak keys can be paired up in
639 * endian-opposite order. Since keys are stored as uint64_t's,
640 * use the ifdef _LITTLE_ENDIAN where appropriate.
641 */
642 static uint64_t des_weak_keys[] = {
643 /* Really weak keys. Byte-order independent values. */
644 0x0101010101010101ULL,
645 0x1f1f1f1f0e0e0e0eULL,
646 0xe0e0e0e0f1f1f1f1ULL,
647 0xfefefefefefefefeULL,
648
649 /* Semi-weak (and a few possibly-weak) keys. */
650
651 /* Byte-order independent semi-weak keys. */
652 0x01fe01fe01fe01feULL, 0xfe01fe01fe01fe01ULL,
653
654 /* Byte-order dependent semi-weak keys. */
655 #ifdef _LITTLE_ENDIAN
656 0xf10ef10ee01fe01fULL, 0x0ef10ef11fe01fe0ULL,
657 0x01f101f101e001e0ULL, 0xf101f101e001e001ULL,
658 0x0efe0efe1ffe1ffeULL, 0xfe0efe0efe1ffe1fULL,
659 0x010e010e011f011fULL, 0x0e010e011f011f01ULL,
660 0xf1fef1fee0fee0feULL, 0xfef1fef1fee0fee0ULL,
661 #else /* Big endian */
662 0x1fe01fe00ef10ef1ULL, 0xe01fe01ff10ef10eULL,
663 0x01e001e001f101f1ULL, 0xe001e001f101f101ULL,
664 0x1ffe1ffe0efe0efeULL, 0xfe1ffe1ffe0efe0eULL,
665 0x011f011f010e010eULL, 0x1f011f010e010e01ULL,
666 0xe0fee0fef1fef1feULL, 0xfee0fee0fef1fef1ULL,
667 #endif /* _LITTLE_ENDIAN */
668
669 /* We'll save the other possibly-weak keys for the future. */
670 };
671
672 if (key == NULL)
673 return (B_FALSE);
674
675 #ifdef UNALIGNED_POINTERS_PERMITTED
676 key_so_far = htonll(*(uint64_t *)&key[0]);
677 #else
678 /*
679 * The code below reverses the bytes on LITTLE_ENDIAN machines.
680 * On BIG_ENDIAN, the same code copies without reversing
681 * the bytes.
682 */
683 key_so_far = (((uint64_t)key[0] << 56) | ((uint64_t)key[1] << 48) |
684 ((uint64_t)key[2] << 40) | ((uint64_t)key[3] << 32) |
685 ((uint64_t)key[4] << 24) | ((uint64_t)key[5] << 16) |
686 ((uint64_t)key[6] << 8) | (uint64_t)key[7]);
687 #endif /* UNALIGNED_POINTERS_PERMITTED */
688
689 /*
690 * Fix parity.
691 */
692 fix_des_parity(&key_so_far);
693
694 /* Do weak key check itself. */
695 for (i = 0; i < (sizeof (des_weak_keys) / sizeof (uint64_t)); i++)
696 if (key_so_far == des_weak_keys[i]) {
697 return (B_FALSE);
698 }
699
700 if (corrected_key != NULL) {
701 #ifdef UNALIGNED_POINTERS_PERMITTED
702 *(uint64_t *)&corrected_key[0] = htonll(key_so_far);
703 #else
704 /*
705 * The code below reverses the bytes on LITTLE_ENDIAN machines.
706 * On BIG_ENDIAN, the same code copies without reversing
707 * the bytes.
708 */
709 corrected_key[0] = key_so_far >> 56;
710 corrected_key[1] = key_so_far >> 48;
711 corrected_key[2] = key_so_far >> 40;
712 corrected_key[3] = key_so_far >> 32;
713 corrected_key[4] = key_so_far >> 24;
714 corrected_key[5] = key_so_far >> 16;
715 corrected_key[6] = key_so_far >> 8;
716 corrected_key[7] = (uint8_t)key_so_far;
717 #endif /* UNALIGNED_POINTERS_PERMITTED */
718 }
719 /* EXPORT DELETE END */
720 return (B_TRUE);
721 }
722
723 static boolean_t
724 des3_keycheck(uint8_t *key, uint8_t *corrected_key)
725 {
726 /* EXPORT DELETE START */
727 uint64_t aligned_key[DES3_KEYSIZE / sizeof (uint64_t)];
728 uint64_t key_so_far, scratch, *currentkey;
729 uint_t j, num_weakkeys = 0;
730
731 if (key == NULL) {
732 return (B_FALSE);
733 }
734
735 if (!IS_P2ALIGNED(key, sizeof (uint64_t))) {
736 bcopy(key, aligned_key, DES3_KEYSIZE);
737 currentkey = (uint64_t *)aligned_key;
738 } else {
739 /* LINTED */
740 currentkey = (uint64_t *)key;
741 }
742
743 for (j = 0; j < 3; j++) {
744 key_so_far = currentkey[j];
745
746 if (!keycheck((uint8_t *)&key_so_far, (uint8_t *)&scratch)) {
747 if (++num_weakkeys > 1) {
748 return (B_FALSE);
749 }
750 /*
751 * We found a weak key, but since
752 * we've only found one weak key,
753 * we can not reject the whole 3DES
754 * set of keys as weak.
755 *
756 * Break from the weak key loop
757 * (since this DES key is weak) and
758 * continue on.
759 */
760 }
761
762 currentkey[j] = scratch;
763 }
764
765 /*
766 * Perform key equivalence checks, now that parity is properly set.
767 * 1st and 2nd keys must be unique, the 3rd key can be the same as
768 * the 1st key for the 2 key variant of 3DES.
769 */
770 if (currentkey[0] == currentkey[1] || currentkey[1] == currentkey[2])
771 return (B_FALSE);
772
773 if (corrected_key != NULL) {
774 bcopy(currentkey, corrected_key, DES3_KEYSIZE);
775 }
776
777 /* EXPORT DELETE END */
778 return (B_TRUE);
779 }
780
781 boolean_t
782 des_keycheck(uint8_t *key, des_strength_t strength, uint8_t *corrected_key)
783 {
784 if (strength == DES) {
785 return (keycheck(key, corrected_key));
786 } else if (strength == DES3) {
787 return (des3_keycheck(key, corrected_key));
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 /* EXPORT DELETE START */
797 uint64_t aligned_key[DES3_KEYSIZE / sizeof (uint64_t)];
798 uint8_t *paritied_key;
799 uint64_t key_so_far;
800 int i = 0, offset = 0;
801
802 if (strength == DES)
803 bcopy(key, aligned_key, DES_KEYSIZE);
804 else
805 bcopy(key, aligned_key, DES3_KEYSIZE);
806
807 paritied_key = (uint8_t *)aligned_key;
808 while (strength > i) {
809 offset = 8 * i;
810 #ifdef UNALIGNED_POINTERS_PERMITTED
811 key_so_far = htonll(*(uint64_t *)&paritied_key[offset]);
812 #else
813 key_so_far = (((uint64_t)paritied_key[offset + 0] << 56) |
814 ((uint64_t)paritied_key[offset + 1] << 48) |
815 ((uint64_t)paritied_key[offset + 2] << 40) |
816 ((uint64_t)paritied_key[offset + 3] << 32) |
817 ((uint64_t)paritied_key[offset + 4] << 24) |
818 ((uint64_t)paritied_key[offset + 5] << 16) |
819 ((uint64_t)paritied_key[offset + 6] << 8) |
820 (uint64_t)paritied_key[offset + 7]);
821 #endif /* UNALIGNED_POINTERS_PERMITTED */
822
823 fix_des_parity(&key_so_far);
824
825 #ifdef UNALIGNED_POINTERS_PERMITTED
826 *(uint64_t *)&paritied_key[offset] = htonll(key_so_far);
827 #else
828 paritied_key[offset + 0] = key_so_far >> 56;
829 paritied_key[offset + 1] = key_so_far >> 48;
830 paritied_key[offset + 2] = key_so_far >> 40;
831 paritied_key[offset + 3] = key_so_far >> 32;
832 paritied_key[offset + 4] = key_so_far >> 24;
833 paritied_key[offset + 5] = key_so_far >> 16;
834 paritied_key[offset + 6] = key_so_far >> 8;
835 paritied_key[offset + 7] = (uint8_t)key_so_far;
836 #endif /* UNALIGNED_POINTERS_PERMITTED */
837
838 i++;
839 }
840
841 bcopy(paritied_key, corrected_key, DES_KEYSIZE * strength);
842 /* EXPORT DELETE END */
843 }
844
845
846 /*
847 * Initialize key schedule for DES, DES2, and DES3
848 */
849 void
850 des_init_keysched(uint8_t *cipherKey, des_strength_t strength, void *ks)
851 {
852 /* EXPORT DELETE START */
853 uint64_t *encryption_ks;
854 uint64_t *decryption_ks;
855 uint64_t keysched[48];
856 uint64_t key_uint64[3];
857 uint64_t tmp;
858 uint_t keysize, i, j;
859
860 switch (strength) {
861 case DES:
862 keysize = DES_KEYSIZE;
863 encryption_ks = ((keysched_t *)ks)->ksch_encrypt;
864 decryption_ks = ((keysched_t *)ks)->ksch_decrypt;
865 break;
866 case DES2:
867 keysize = DES2_KEYSIZE;
868 encryption_ks = ((keysched3_t *)ks)->ksch_encrypt;
869 decryption_ks = ((keysched3_t *)ks)->ksch_decrypt;
870 break;
871 case DES3:
872 keysize = DES3_KEYSIZE;
873 encryption_ks = ((keysched3_t *)ks)->ksch_encrypt;
874 decryption_ks = ((keysched3_t *)ks)->ksch_decrypt;
875 }
876
877 /*
878 * The code below, that is always executed on LITTLE_ENDIAN machines,
879 * reverses every 8 bytes in the key. On BIG_ENDIAN, the same code
880 * copies the key without reversing bytes.
881 */
882 #ifdef _BIG_ENDIAN
883 if (IS_P2ALIGNED(cipherKey, sizeof (uint64_t))) {
884 for (i = 0, j = 0; j < keysize; i++, j += 8) {
885 /* LINTED: pointer alignment */
886 key_uint64[i] = *((uint64_t *)&cipherKey[j]);
887 }
888 } else
889 #endif /* _BIG_ENDIAN */
890 {
891 for (i = 0, j = 0; j < keysize; i++, j += 8) {
892 #ifdef UNALIGNED_POINTERS_PERMITTED
893 key_uint64[i] = htonll(*(uint64_t *)&cipherKey[j]);
894 #else
895 key_uint64[i] = (((uint64_t)cipherKey[j] << 56) |
896 ((uint64_t)cipherKey[j + 1] << 48) |
897 ((uint64_t)cipherKey[j + 2] << 40) |
898 ((uint64_t)cipherKey[j + 3] << 32) |
899 ((uint64_t)cipherKey[j + 4] << 24) |
900 ((uint64_t)cipherKey[j + 5] << 16) |
901 ((uint64_t)cipherKey[j + 6] << 8) |
902 (uint64_t)cipherKey[j + 7]);
903 #endif /* UNALIGNED_POINTERS_PERMITTED */
904 }
905 }
906
907 switch (strength) {
908 case DES:
909 des_ks(keysched, key_uint64[0]);
910 break;
911
912 case DES2:
913 /* DES2 is just DES3 with the first and third keys the same */
914 bcopy(key_uint64, key_uint64 + 2, DES_KEYSIZE);
915 /* FALLTHRU */
916 case DES3:
917 des_ks(keysched, key_uint64[0]);
918 des_ks(keysched + 16, key_uint64[1]);
919 for (i = 0; i < 8; i++) {
920 tmp = keysched[16+i];
921 keysched[16+i] = keysched[31-i];
922 keysched[31-i] = tmp;
923 }
924 des_ks(keysched+32, key_uint64[2]);
925 keysize = DES3_KEYSIZE;
926 }
927
928 /* save the encryption keyschedule */
929 bcopy(keysched, encryption_ks, keysize * 16);
930
931 /* reverse the key schedule */
932 for (i = 0; i < keysize; i++) {
933 tmp = keysched[i];
934 keysched[i] = keysched[2 * keysize - 1 - i];
935 keysched[2 * keysize -1 -i] = tmp;
936 }
937
938 /* save the decryption keyschedule */
939 bcopy(keysched, decryption_ks, keysize * 16);
940 /* EXPORT DELETE END */
941 }
942
943 /*
944 * Allocate key schedule.
945 */
946 /*ARGSUSED*/
947 void *
948 des_alloc_keysched(size_t *keysched_size, des_strength_t strength, int kmflag)
949 {
950 void *keysched;
951
952 /* EXPORT DELETE START */
953
954 size_t size;
955
956 switch (strength) {
957 case DES:
958 size = sizeof (keysched_t);
959 break;
960 case DES2:
961 case DES3:
962 size = sizeof (keysched3_t);
963 }
964
965 #ifdef _KERNEL
966 keysched = (keysched_t *)kmem_alloc(size, kmflag);
967 #else /* !_KERNEL */
968 keysched = (keysched_t *)malloc(size);
969 #endif /* _KERNEL */
970
971 if (keysched == NULL)
972 return (NULL);
973
974 if (keysched_size != NULL)
975 *keysched_size = size;
976
977 /* EXPORT DELETE END */
978
979 return (keysched);
980 }
981
982 /*
983 * Replace the LSB of each byte by the xor of the other
984 * 7 bits. The tricky thing is that the original contents of the LSBs
985 * are nullified by including them twice in the xor computation.
986 */
987 static void
988 fix_des_parity(uint64_t *keyp)
989 {
990 /* EXPORT DELETE START */
991 uint64_t k = *keyp;
992 k ^= k >> 1;
993 k ^= k >> 2;
994 k ^= k >> 4;
995 *keyp ^= (k & 0x0101010101010101ULL);
996 *keyp ^= 0x0101010101010101ULL;
997 /* EXPORT DELETE END */
998 }
999
1000 void
1001 des_copy_block(uint8_t *in, uint8_t *out)
1002 {
1003 if (IS_P2ALIGNED(in, sizeof (uint32_t)) &&
1004 IS_P2ALIGNED(out, sizeof (uint32_t))) {
1005 /* LINTED: pointer alignment */
1006 *(uint32_t *)&out[0] = *(uint32_t *)&in[0];
1007 /* LINTED: pointer alignment */
1008 *(uint32_t *)&out[4] = *(uint32_t *)&in[4];
1009 } else {
1010 DES_COPY_BLOCK(in, out);
1011 }
1012 }
1013
1014 /* XOR block of data into dest */
1015 void
1016 des_xor_block(uint8_t *data, uint8_t *dst)
1017 {
1018 if (IS_P2ALIGNED(dst, sizeof (uint32_t)) &&
1019 IS_P2ALIGNED(data, sizeof (uint32_t))) {
1020 /* LINTED: pointer alignment */
1021 *(uint32_t *)&dst[0] ^=
1022 /* LINTED: pointer alignment */
1023 *(uint32_t *)&data[0];
1024 /* LINTED: pointer alignment */
1025 *(uint32_t *)&dst[4] ^=
1026 /* LINTED: pointer alignment */
1027 *(uint32_t *)&data[4];
1028 } else {
1029 DES_XOR_BLOCK(data, dst);
1030 }
1031 }
1032
1033 int
1034 des_encrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1035 {
1036 return (des_crunch_block(keysched, in, out, B_FALSE));
1037 }
1038
1039 int
1040 des3_encrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1041 {
1042 return (des3_crunch_block(keysched, in, out, B_FALSE));
1043 }
1044
1045 int
1046 des_decrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1047 {
1048 return (des_crunch_block(keysched, in, out, B_TRUE));
1049 }
1050
1051 int
1052 des3_decrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1053 {
1054 return (des3_crunch_block(keysched, in, out, B_TRUE));
1055 }
1056
1057 /*
1058 * Encrypt multiple blocks of data according to mode.
1059 */
1060 int
1061 des_encrypt_contiguous_blocks(void *ctx, char *data, size_t length,
1062 crypto_data_t *out)
1063 {
1064 des_ctx_t *des_ctx = ctx;
1065 int rv;
1066
1067 if (des_ctx->dc_flags & DES3_STRENGTH) {
1068 if (des_ctx->dc_flags & CBC_MODE) {
1069 rv = cbc_encrypt_contiguous_blocks(ctx, data,
1070 length, out, DES_BLOCK_LEN, des3_encrypt_block,
1071 des_copy_block, des_xor_block);
1072 } else {
1073 rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1074 out, DES_BLOCK_LEN, des3_encrypt_block);
1075 }
1076 } else {
1077 if (des_ctx->dc_flags & CBC_MODE) {
1078 rv = cbc_encrypt_contiguous_blocks(ctx, data,
1079 length, out, DES_BLOCK_LEN, des_encrypt_block,
1080 des_copy_block, des_xor_block);
1081 } else {
1082 rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1083 out, DES_BLOCK_LEN, des_encrypt_block);
1084 }
1085 }
1086 return (rv);
1087 }
1088
1089 /*
1090 * Decrypt multiple blocks of data according to mode.
1091 */
1092 int
1093 des_decrypt_contiguous_blocks(void *ctx, char *data, size_t length,
1094 crypto_data_t *out)
1095 {
1096 des_ctx_t *des_ctx = ctx;
1097 int rv;
1098
1099 if (des_ctx->dc_flags & DES3_STRENGTH) {
1100 if (des_ctx->dc_flags & CBC_MODE) {
1101 rv = cbc_decrypt_contiguous_blocks(ctx, data,
1102 length, out, DES_BLOCK_LEN, des3_decrypt_block,
1103 des_copy_block, des_xor_block);
1104 } else {
1105 rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1106 out, DES_BLOCK_LEN, des3_decrypt_block);
1107 if (rv == CRYPTO_DATA_LEN_RANGE)
1108 rv = CRYPTO_ENCRYPTED_DATA_LEN_RANGE;
1109 }
1110 } else {
1111 if (des_ctx->dc_flags & CBC_MODE) {
1112 rv = cbc_decrypt_contiguous_blocks(ctx, data,
1113 length, out, DES_BLOCK_LEN, des_decrypt_block,
1114 des_copy_block, des_xor_block);
1115 } else {
1116 rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1117 out, DES_BLOCK_LEN, des_decrypt_block);
1118 if (rv == CRYPTO_DATA_LEN_RANGE)
1119 rv = CRYPTO_ENCRYPTED_DATA_LEN_RANGE;
1120 }
1121 }
1122 return (rv);
1123 }