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8322 nl: misleading-indentation
[unleashed/tickless.git] / usr / src / common / crypto / des / des_impl.c
blobc88d558b6da5d1d45f50b67109a10a8a8d25d832
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 #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 typedef struct keysched_s {
46 uint64_t ksch_encrypt[16];
47 uint64_t ksch_decrypt[16];
48 } keysched_t;
49
50 typedef struct keysched3_s {
51 uint64_t ksch_encrypt[48];
52 uint64_t ksch_decrypt[48];
53 } keysched3_t;
54
55 static void fix_des_parity(uint64_t *);
56
57 #ifndef sun4u
58
59 static const uint64_t sbox_table[8][64]=
60 {
61 /* BEGIN CSTYLED */
62 {
63 0x0000140140020000ULL, 0x0000000000000000ULL, 0x0000000140000000ULL, 0x0000140140020020ULL,
64 0x0000140140000020ULL, 0x0000000140020020ULL, 0x0000000000000020ULL, 0x0000000140000000ULL,
65 0x0000000000020000ULL, 0x0000140140020000ULL, 0x0000140140020020ULL, 0x0000000000020000ULL,
66 0x0000140000020020ULL, 0x0000140140000020ULL, 0x0000140000000000ULL, 0x0000000000000020ULL,
67 0x0000000000020020ULL, 0x0000140000020000ULL, 0x0000140000020000ULL, 0x0000000140020000ULL,
68 0x0000000140020000ULL, 0x0000140140000000ULL, 0x0000140140000000ULL, 0x0000140000020020ULL,
69 0x0000000140000020ULL, 0x0000140000000020ULL, 0x0000140000000020ULL, 0x0000000140000020ULL,
70 0x0000000000000000ULL, 0x0000000000020020ULL, 0x0000000140020020ULL, 0x0000140000000000ULL,
71 0x0000000140000000ULL, 0x0000140140020020ULL, 0x0000000000000020ULL, 0x0000140140000000ULL,
72 0x0000140140020000ULL, 0x0000140000000000ULL, 0x0000140000000000ULL, 0x0000000000020000ULL,
73 0x0000140140000020ULL, 0x0000000140000000ULL, 0x0000000140020000ULL, 0x0000140000000020ULL,
74 0x0000000000020000ULL, 0x0000000000000020ULL, 0x0000140000020020ULL, 0x0000000140020020ULL,
75 0x0000140140020020ULL, 0x0000000140000020ULL, 0x0000140140000000ULL, 0x0000140000020020ULL,
76 0x0000140000000020ULL, 0x0000000000020020ULL, 0x0000000140020020ULL, 0x0000140140020000ULL,
77 0x0000000000020020ULL, 0x0000140000020000ULL, 0x0000140000020000ULL, 0x0000000000000000ULL,
78 0x0000000140000020ULL, 0x0000000140020000ULL, 0x0000000000000000ULL, 0x0000140140000020ULL
79 },
80 {
81 0x2000005020000500ULL, 0x2000000020000000ULL, 0x0000000020000000ULL, 0x0000005020000500ULL,
82 0x0000005000000000ULL, 0x0000000000000500ULL, 0x2000005000000500ULL, 0x2000000020000500ULL,
83 0x2000000000000500ULL, 0x2000005020000500ULL, 0x2000005020000000ULL, 0x2000000000000000ULL,
84 0x2000000020000000ULL, 0x0000005000000000ULL, 0x0000000000000500ULL, 0x2000005000000500ULL,
85 0x0000005020000000ULL, 0x0000005000000500ULL, 0x2000000020000500ULL, 0x0000000000000000ULL,
86 0x2000000000000000ULL, 0x0000000020000000ULL, 0x0000005020000500ULL, 0x2000005000000000ULL,
87 0x0000005000000500ULL, 0x2000000000000500ULL, 0x0000000000000000ULL, 0x0000005020000000ULL,
88 0x0000000020000500ULL, 0x2000005020000000ULL, 0x2000005000000000ULL, 0x0000000020000500ULL,
89 0x0000000000000000ULL, 0x0000005020000500ULL, 0x2000005000000500ULL, 0x0000005000000000ULL,
90 0x2000000020000500ULL, 0x2000005000000000ULL, 0x2000005020000000ULL, 0x0000000020000000ULL,
91 0x2000005000000000ULL, 0x2000000020000000ULL, 0x0000000000000500ULL, 0x2000005020000500ULL,
92 0x0000005020000500ULL, 0x0000000000000500ULL, 0x0000000020000000ULL, 0x2000000000000000ULL,
93 0x0000000020000500ULL, 0x2000005020000000ULL, 0x0000005000000000ULL, 0x2000000000000500ULL,
94 0x0000005000000500ULL, 0x2000000020000500ULL, 0x2000000000000500ULL, 0x0000005000000500ULL,
95 0x0000005020000000ULL, 0x0000000000000000ULL, 0x2000000020000000ULL, 0x0000000020000500ULL,
96 0x2000000000000000ULL, 0x2000005000000500ULL, 0x2000005020000500ULL, 0x0000005020000000ULL
97 },
98 {
99 0x0000000000014040ULL, 0x0000800280014000ULL, 0x0000000000000000ULL, 0x0000800280000040ULL,
100 0x0000800000014000ULL, 0x0000000000000000ULL, 0x0000000280014040ULL, 0x0000800000014000ULL,
101 0x0000000280000040ULL, 0x0000800000000040ULL, 0x0000800000000040ULL, 0x0000000280000000ULL,
102 0x0000800280014040ULL, 0x0000000280000040ULL, 0x0000800280000000ULL, 0x0000000000014040ULL,
103 0x0000800000000000ULL, 0x0000000000000040ULL, 0x0000800280014000ULL, 0x0000000000014000ULL,
104 0x0000000280014000ULL, 0x0000800280000000ULL, 0x0000800280000040ULL, 0x0000000280014040ULL,
105 0x0000800000014040ULL, 0x0000000280014000ULL, 0x0000000280000000ULL, 0x0000800000014040ULL,
106 0x0000000000000040ULL, 0x0000800280014040ULL, 0x0000000000014000ULL, 0x0000800000000000ULL,
107 0x0000800280014000ULL, 0x0000800000000000ULL, 0x0000000280000040ULL, 0x0000000000014040ULL,
108 0x0000000280000000ULL, 0x0000800280014000ULL, 0x0000800000014000ULL, 0x0000000000000000ULL,
109 0x0000000000014000ULL, 0x0000000280000040ULL, 0x0000800280014040ULL, 0x0000800000014000ULL,
110 0x0000800000000040ULL, 0x0000000000014000ULL, 0x0000000000000000ULL, 0x0000800280000040ULL,
111 0x0000800000014040ULL, 0x0000000280000000ULL, 0x0000800000000000ULL, 0x0000800280014040ULL,
112 0x0000000000000040ULL, 0x0000000280014040ULL, 0x0000000280014000ULL, 0x0000800000000040ULL,
113 0x0000800280000000ULL, 0x0000800000014040ULL, 0x0000000000014040ULL, 0x0000800280000000ULL,
114 0x0000000280014040ULL, 0x0000000000000040ULL, 0x0000800280000040ULL, 0x0000000280014000ULL
115 },
116 {
117 0x4000020008100008ULL, 0x4000000008101008ULL, 0x4000000008101008ULL, 0x0000000000001000ULL,
118 0x0000020008101000ULL, 0x4000020000001008ULL, 0x4000020000000008ULL, 0x4000000008100008ULL,
119 0x0000000000000000ULL, 0x0000020008100000ULL, 0x0000020008100000ULL, 0x4000020008101008ULL,
120 0x4000000000001008ULL, 0x0000000000000000ULL, 0x0000020000001000ULL, 0x4000020000000008ULL,
121 0x4000000000000008ULL, 0x0000000008100000ULL, 0x0000020000000000ULL, 0x4000020008100008ULL,
122 0x0000000000001000ULL, 0x0000020000000000ULL, 0x4000000008100008ULL, 0x0000000008101000ULL,
123 0x4000020000001008ULL, 0x4000000000000008ULL, 0x0000000008101000ULL, 0x0000020000001000ULL,
124 0x0000000008100000ULL, 0x0000020008101000ULL, 0x4000020008101008ULL, 0x4000000000001008ULL,
125 0x0000020000001000ULL, 0x4000020000000008ULL, 0x0000020008100000ULL, 0x4000020008101008ULL,
126 0x4000000000001008ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000020008100000ULL,
127 0x0000000008101000ULL, 0x0000020000001000ULL, 0x4000020000001008ULL, 0x4000000000000008ULL,
128 0x4000020008100008ULL, 0x4000000008101008ULL, 0x4000000008101008ULL, 0x0000000000001000ULL,
129 0x4000020008101008ULL, 0x4000000000001008ULL, 0x4000000000000008ULL, 0x0000000008100000ULL,
130 0x4000020000000008ULL, 0x4000000008100008ULL, 0x0000020008101000ULL, 0x4000020000001008ULL,
131 0x4000000008100008ULL, 0x0000000008101000ULL, 0x0000020000000000ULL, 0x4000020008100008ULL,
132 0x0000000000001000ULL, 0x0000020000000000ULL, 0x0000000008100000ULL, 0x0000020008101000ULL
133 },
134 {
135 0x000000000000a000ULL, 0x000028080000a000ULL, 0x0000280800000000ULL, 0x100028000000a000ULL,
136 0x0000000800000000ULL, 0x000000000000a000ULL, 0x1000000000000000ULL, 0x0000280800000000ULL,
137 0x100000080000a000ULL, 0x0000000800000000ULL, 0x000028000000a000ULL, 0x100000080000a000ULL,
138 0x100028000000a000ULL, 0x1000280800000000ULL, 0x000000080000a000ULL, 0x1000000000000000ULL,
139 0x0000280000000000ULL, 0x1000000800000000ULL, 0x1000000800000000ULL, 0x0000000000000000ULL,
140 0x100000000000a000ULL, 0x100028080000a000ULL, 0x100028080000a000ULL, 0x000028000000a000ULL,
141 0x1000280800000000ULL, 0x100000000000a000ULL, 0x0000000000000000ULL, 0x1000280000000000ULL,
142 0x000028080000a000ULL, 0x0000280000000000ULL, 0x1000280000000000ULL, 0x000000080000a000ULL,
143 0x0000000800000000ULL, 0x100028000000a000ULL, 0x000000000000a000ULL, 0x0000280000000000ULL,
144 0x1000000000000000ULL, 0x0000280800000000ULL, 0x100028000000a000ULL, 0x100000080000a000ULL,
145 0x000028000000a000ULL, 0x1000000000000000ULL, 0x1000280800000000ULL, 0x000028080000a000ULL,
146 0x100000080000a000ULL, 0x000000000000a000ULL, 0x0000280000000000ULL, 0x1000280800000000ULL,
147 0x100028080000a000ULL, 0x000000080000a000ULL, 0x1000280000000000ULL, 0x100028080000a000ULL,
148 0x0000280800000000ULL, 0x0000000000000000ULL, 0x1000000800000000ULL, 0x1000280000000000ULL,
149 0x000000080000a000ULL, 0x000028000000a000ULL, 0x100000000000a000ULL, 0x0000000800000000ULL,
150 0x0000000000000000ULL, 0x1000000800000000ULL, 0x000028080000a000ULL, 0x100000000000a000ULL
151 },
152 {
153 0x0802000000000280ULL, 0x0802010000000000ULL, 0x0000000010000000ULL, 0x0802010010000280ULL,
154 0x0802010000000000ULL, 0x0000000000000280ULL, 0x0802010010000280ULL, 0x0000010000000000ULL,
155 0x0802000010000000ULL, 0x0000010010000280ULL, 0x0000010000000000ULL, 0x0802000000000280ULL,
156 0x0000010000000280ULL, 0x0802000010000000ULL, 0x0802000000000000ULL, 0x0000000010000280ULL,
157 0x0000000000000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL, 0x0000000010000000ULL,
158 0x0000010010000000ULL, 0x0802000010000280ULL, 0x0000000000000280ULL, 0x0802010000000280ULL,
159 0x0802010000000280ULL, 0x0000000000000000ULL, 0x0000010010000280ULL, 0x0802010010000000ULL,
160 0x0000000010000280ULL, 0x0000010010000000ULL, 0x0802010010000000ULL, 0x0802000000000000ULL,
161 0x0802000010000000ULL, 0x0000000000000280ULL, 0x0802010000000280ULL, 0x0000010010000000ULL,
162 0x0802010010000280ULL, 0x0000010000000000ULL, 0x0000000010000280ULL, 0x0802000000000280ULL,
163 0x0000010000000000ULL, 0x0802000010000000ULL, 0x0802000000000000ULL, 0x0000000010000280ULL,
164 0x0802000000000280ULL, 0x0802010010000280ULL, 0x0000010010000000ULL, 0x0802010000000000ULL,
165 0x0000010010000280ULL, 0x0802010010000000ULL, 0x0000000000000000ULL, 0x0802010000000280ULL,
166 0x0000000000000280ULL, 0x0000000010000000ULL, 0x0802010000000000ULL, 0x0000010010000280ULL,
167 0x0000000010000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL, 0x0000000000000000ULL,
168 0x0802010010000000ULL, 0x0802000000000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL
169 },
170 {
171 0x000000a000000000ULL, 0x800040a000000010ULL, 0x8000400000040010ULL, 0x0000000000000000ULL,
172 0x0000000000040000ULL, 0x8000400000040010ULL, 0x800000a000040010ULL, 0x000040a000040000ULL,
173 0x800040a000040010ULL, 0x000000a000000000ULL, 0x0000000000000000ULL, 0x8000400000000010ULL,
174 0x8000000000000010ULL, 0x0000400000000000ULL, 0x800040a000000010ULL, 0x8000000000040010ULL,
175 0x0000400000040000ULL, 0x800000a000040010ULL, 0x800000a000000010ULL, 0x0000400000040000ULL,
176 0x8000400000000010ULL, 0x000040a000000000ULL, 0x000040a000040000ULL, 0x800000a000000010ULL,
177 0x000040a000000000ULL, 0x0000000000040000ULL, 0x8000000000040010ULL, 0x800040a000040010ULL,
178 0x000000a000040000ULL, 0x8000000000000010ULL, 0x0000400000000000ULL, 0x000000a000040000ULL,
179 0x0000400000000000ULL, 0x000000a000040000ULL, 0x000000a000000000ULL, 0x8000400000040010ULL,
180 0x8000400000040010ULL, 0x800040a000000010ULL, 0x800040a000000010ULL, 0x8000000000000010ULL,
181 0x800000a000000010ULL, 0x0000400000000000ULL, 0x0000400000040000ULL, 0x000000a000000000ULL,
182 0x000040a000040000ULL, 0x8000000000040010ULL, 0x800000a000040010ULL, 0x000040a000040000ULL,
183 0x8000000000040010ULL, 0x8000400000000010ULL, 0x800040a000040010ULL, 0x000040a000000000ULL,
184 0x000000a000040000ULL, 0x0000000000000000ULL, 0x8000000000000010ULL, 0x800040a000040010ULL,
185 0x0000000000000000ULL, 0x800000a000040010ULL, 0x000040a000000000ULL, 0x0000000000040000ULL,
186 0x8000400000000010ULL, 0x0000400000040000ULL, 0x0000000000040000ULL, 0x800000a000000010ULL
187 },
188 {
189 0x0401000004080800ULL, 0x0000000004080000ULL, 0x0000000400000000ULL, 0x0401000404080800ULL,
190 0x0401000000000000ULL, 0x0401000004080800ULL, 0x0000000000000800ULL, 0x0401000000000000ULL,
191 0x0000000400000800ULL, 0x0401000400000000ULL, 0x0401000404080800ULL, 0x0000000404080000ULL,
192 0x0401000404080000ULL, 0x0000000404080800ULL, 0x0000000004080000ULL, 0x0000000000000800ULL,
193 0x0401000400000000ULL, 0x0401000000000800ULL, 0x0401000004080000ULL, 0x0000000004080800ULL,
194 0x0000000404080000ULL, 0x0000000400000800ULL, 0x0401000400000800ULL, 0x0401000404080000ULL,
195 0x0000000004080800ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0401000400000800ULL,
196 0x0401000000000800ULL, 0x0401000004080000ULL, 0x0000000404080800ULL, 0x0000000400000000ULL,
197 0x0000000404080800ULL, 0x0000000400000000ULL, 0x0401000404080000ULL, 0x0000000004080000ULL,
198 0x0000000000000800ULL, 0x0401000400000800ULL, 0x0000000004080000ULL, 0x0000000404080800ULL,
199 0x0401000004080000ULL, 0x0000000000000800ULL, 0x0401000000000800ULL, 0x0401000400000000ULL,
200 0x0401000400000800ULL, 0x0401000000000000ULL, 0x0000000400000000ULL, 0x0401000004080800ULL,
201 0x0000000000000000ULL, 0x0401000404080800ULL, 0x0000000400000800ULL, 0x0401000000000800ULL,
202 0x0401000400000000ULL, 0x0401000004080000ULL, 0x0401000004080800ULL, 0x0000000000000000ULL,
203 0x0401000404080800ULL, 0x0000000404080000ULL, 0x0000000404080000ULL, 0x0000000004080800ULL,
204 0x0000000004080800ULL, 0x0000000400000800ULL, 0x0401000000000000ULL, 0x0401000404080000ULL
205 }
206 /* END CSTYLED */
207 };
208
209
210 static const uint64_t ip_table[2][256]=
211 {
212 /* BEGIN CSTYLED */
213 {
214 0x0000000000000000ULL, 0x0000000000000400ULL, 0x0080000000000280ULL, 0x0080000000000680ULL,
215 0x0000000000400000ULL, 0x0000000000400400ULL, 0x0080000000400280ULL, 0x0080000000400680ULL,
216 0x0000000000280000ULL, 0x0000000000280400ULL, 0x0080000000280280ULL, 0x0080000000280680ULL,
217 0x0000000000680000ULL, 0x0000000000680400ULL, 0x0080000000680280ULL, 0x0080000000680680ULL,
218 0x0000000400000000ULL, 0x0000000400000400ULL, 0x0080000400000280ULL, 0x0080000400000680ULL,
219 0x0000000400400000ULL, 0x0000000400400400ULL, 0x0080000400400280ULL, 0x0080000400400680ULL,
220 0x0000000400280000ULL, 0x0000000400280400ULL, 0x0080000400280280ULL, 0x0080000400280680ULL,
221 0x0000000400680000ULL, 0x0000000400680400ULL, 0x0080000400680280ULL, 0x0080000400680680ULL,
222 0x0000000280000000ULL, 0x0000000280000400ULL, 0x0080000280000280ULL, 0x0080000280000680ULL,
223 0x0000000280400000ULL, 0x0000000280400400ULL, 0x0080000280400280ULL, 0x0080000280400680ULL,
224 0x0000000280280000ULL, 0x0000000280280400ULL, 0x0080000280280280ULL, 0x0080000280280680ULL,
225 0x0000000280680000ULL, 0x0000000280680400ULL, 0x0080000280680280ULL, 0x0080000280680680ULL,
226 0x0000000680000000ULL, 0x0000000680000400ULL, 0x0080000680000280ULL, 0x0080000680000680ULL,
227 0x0000000680400000ULL, 0x0000000680400400ULL, 0x0080000680400280ULL, 0x0080000680400680ULL,
228 0x0000000680280000ULL, 0x0000000680280400ULL, 0x0080000680280280ULL, 0x0080000680280680ULL,
229 0x0000000680680000ULL, 0x0000000680680400ULL, 0x0080000680680280ULL, 0x0080000680680680ULL,
230 0x0000400000000000ULL, 0x0000400000000400ULL, 0x0080400000000280ULL, 0x0080400000000680ULL,
231 0x0000400000400000ULL, 0x0000400000400400ULL, 0x0080400000400280ULL, 0x0080400000400680ULL,
232 0x0000400000280000ULL, 0x0000400000280400ULL, 0x0080400000280280ULL, 0x0080400000280680ULL,
233 0x0000400000680000ULL, 0x0000400000680400ULL, 0x0080400000680280ULL, 0x0080400000680680ULL,
234 0x0000400400000000ULL, 0x0000400400000400ULL, 0x0080400400000280ULL, 0x0080400400000680ULL,
235 0x0000400400400000ULL, 0x0000400400400400ULL, 0x0080400400400280ULL, 0x0080400400400680ULL,
236 0x0000400400280000ULL, 0x0000400400280400ULL, 0x0080400400280280ULL, 0x0080400400280680ULL,
237 0x0000400400680000ULL, 0x0000400400680400ULL, 0x0080400400680280ULL, 0x0080400400680680ULL,
238 0x0000400280000000ULL, 0x0000400280000400ULL, 0x0080400280000280ULL, 0x0080400280000680ULL,
239 0x0000400280400000ULL, 0x0000400280400400ULL, 0x0080400280400280ULL, 0x0080400280400680ULL,
240 0x0000400280280000ULL, 0x0000400280280400ULL, 0x0080400280280280ULL, 0x0080400280280680ULL,
241 0x0000400280680000ULL, 0x0000400280680400ULL, 0x0080400280680280ULL, 0x0080400280680680ULL,
242 0x0000400680000000ULL, 0x0000400680000400ULL, 0x0080400680000280ULL, 0x0080400680000680ULL,
243 0x0000400680400000ULL, 0x0000400680400400ULL, 0x0080400680400280ULL, 0x0080400680400680ULL,
244 0x0000400680280000ULL, 0x0000400680280400ULL, 0x0080400680280280ULL, 0x0080400680280680ULL,
245 0x0000400680680000ULL, 0x0000400680680400ULL, 0x0080400680680280ULL, 0x0080400680680680ULL,
246 0x0000280000000000ULL, 0x0000280000000400ULL, 0x0080280000000280ULL, 0x0080280000000680ULL,
247 0x0000280000400000ULL, 0x0000280000400400ULL, 0x0080280000400280ULL, 0x0080280000400680ULL,
248 0x0000280000280000ULL, 0x0000280000280400ULL, 0x0080280000280280ULL, 0x0080280000280680ULL,
249 0x0000280000680000ULL, 0x0000280000680400ULL, 0x0080280000680280ULL, 0x0080280000680680ULL,
250 0x0000280400000000ULL, 0x0000280400000400ULL, 0x0080280400000280ULL, 0x0080280400000680ULL,
251 0x0000280400400000ULL, 0x0000280400400400ULL, 0x0080280400400280ULL, 0x0080280400400680ULL,
252 0x0000280400280000ULL, 0x0000280400280400ULL, 0x0080280400280280ULL, 0x0080280400280680ULL,
253 0x0000280400680000ULL, 0x0000280400680400ULL, 0x0080280400680280ULL, 0x0080280400680680ULL,
254 0x0000280280000000ULL, 0x0000280280000400ULL, 0x0080280280000280ULL, 0x0080280280000680ULL,
255 0x0000280280400000ULL, 0x0000280280400400ULL, 0x0080280280400280ULL, 0x0080280280400680ULL,
256 0x0000280280280000ULL, 0x0000280280280400ULL, 0x0080280280280280ULL, 0x0080280280280680ULL,
257 0x0000280280680000ULL, 0x0000280280680400ULL, 0x0080280280680280ULL, 0x0080280280680680ULL,
258 0x0000280680000000ULL, 0x0000280680000400ULL, 0x0080280680000280ULL, 0x0080280680000680ULL,
259 0x0000280680400000ULL, 0x0000280680400400ULL, 0x0080280680400280ULL, 0x0080280680400680ULL,
260 0x0000280680280000ULL, 0x0000280680280400ULL, 0x0080280680280280ULL, 0x0080280680280680ULL,
261 0x0000280680680000ULL, 0x0000280680680400ULL, 0x0080280680680280ULL, 0x0080280680680680ULL,
262 0x0000680000000000ULL, 0x0000680000000400ULL, 0x0080680000000280ULL, 0x0080680000000680ULL,
263 0x0000680000400000ULL, 0x0000680000400400ULL, 0x0080680000400280ULL, 0x0080680000400680ULL,
264 0x0000680000280000ULL, 0x0000680000280400ULL, 0x0080680000280280ULL, 0x0080680000280680ULL,
265 0x0000680000680000ULL, 0x0000680000680400ULL, 0x0080680000680280ULL, 0x0080680000680680ULL,
266 0x0000680400000000ULL, 0x0000680400000400ULL, 0x0080680400000280ULL, 0x0080680400000680ULL,
267 0x0000680400400000ULL, 0x0000680400400400ULL, 0x0080680400400280ULL, 0x0080680400400680ULL,
268 0x0000680400280000ULL, 0x0000680400280400ULL, 0x0080680400280280ULL, 0x0080680400280680ULL,
269 0x0000680400680000ULL, 0x0000680400680400ULL, 0x0080680400680280ULL, 0x0080680400680680ULL,
270 0x0000680280000000ULL, 0x0000680280000400ULL, 0x0080680280000280ULL, 0x0080680280000680ULL,
271 0x0000680280400000ULL, 0x0000680280400400ULL, 0x0080680280400280ULL, 0x0080680280400680ULL,
272 0x0000680280280000ULL, 0x0000680280280400ULL, 0x0080680280280280ULL, 0x0080680280280680ULL,
273 0x0000680280680000ULL, 0x0000680280680400ULL, 0x0080680280680280ULL, 0x0080680280680680ULL,
274 0x0000680680000000ULL, 0x0000680680000400ULL, 0x0080680680000280ULL, 0x0080680680000680ULL,
275 0x0000680680400000ULL, 0x0000680680400400ULL, 0x0080680680400280ULL, 0x0080680680400680ULL,
276 0x0000680680280000ULL, 0x0000680680280400ULL, 0x0080680680280280ULL, 0x0080680680280680ULL,
277 0x0000680680680000ULL, 0x0000680680680400ULL, 0x0080680680680280ULL, 0x0080680680680680ULL
278 },
279 {
280 0x0000000000000000ULL, 0x0000000000005000ULL, 0x0000000000000800ULL, 0x0000000000005800ULL,
281 0x0000000005000000ULL, 0x0000000005005000ULL, 0x0000000005000800ULL, 0x0000000005005800ULL,
282 0x0000000000800000ULL, 0x0000000000805000ULL, 0x0000000000800800ULL, 0x0000000000805800ULL,
283 0x0000000005800000ULL, 0x0000000005805000ULL, 0x0000000005800800ULL, 0x0000000005805800ULL,
284 0x0000005000000000ULL, 0x0000005000005000ULL, 0x0000005000000800ULL, 0x0000005000005800ULL,
285 0x0000005005000000ULL, 0x0000005005005000ULL, 0x0000005005000800ULL, 0x0000005005005800ULL,
286 0x0000005000800000ULL, 0x0000005000805000ULL, 0x0000005000800800ULL, 0x0000005000805800ULL,
287 0x0000005005800000ULL, 0x0000005005805000ULL, 0x0000005005800800ULL, 0x0000005005805800ULL,
288 0x0000000800000000ULL, 0x0000000800005000ULL, 0x0000000800000800ULL, 0x0000000800005800ULL,
289 0x0000000805000000ULL, 0x0000000805005000ULL, 0x0000000805000800ULL, 0x0000000805005800ULL,
290 0x0000000800800000ULL, 0x0000000800805000ULL, 0x0000000800800800ULL, 0x0000000800805800ULL,
291 0x0000000805800000ULL, 0x0000000805805000ULL, 0x0000000805800800ULL, 0x0000000805805800ULL,
292 0x0000005800000000ULL, 0x0000005800005000ULL, 0x0000005800000800ULL, 0x0000005800005800ULL,
293 0x0000005805000000ULL, 0x0000005805005000ULL, 0x0000005805000800ULL, 0x0000005805005800ULL,
294 0x0000005800800000ULL, 0x0000005800805000ULL, 0x0000005800800800ULL, 0x0000005800805800ULL,
295 0x0000005805800000ULL, 0x0000005805805000ULL, 0x0000005805800800ULL, 0x0000005805805800ULL,
296 0x0005000000000004ULL, 0x0005000000005004ULL, 0x0005000000000804ULL, 0x0005000000005804ULL,
297 0x0005000005000004ULL, 0x0005000005005004ULL, 0x0005000005000804ULL, 0x0005000005005804ULL,
298 0x0005000000800004ULL, 0x0005000000805004ULL, 0x0005000000800804ULL, 0x0005000000805804ULL,
299 0x0005000005800004ULL, 0x0005000005805004ULL, 0x0005000005800804ULL, 0x0005000005805804ULL,
300 0x0005005000000004ULL, 0x0005005000005004ULL, 0x0005005000000804ULL, 0x0005005000005804ULL,
301 0x0005005005000004ULL, 0x0005005005005004ULL, 0x0005005005000804ULL, 0x0005005005005804ULL,
302 0x0005005000800004ULL, 0x0005005000805004ULL, 0x0005005000800804ULL, 0x0005005000805804ULL,
303 0x0005005005800004ULL, 0x0005005005805004ULL, 0x0005005005800804ULL, 0x0005005005805804ULL,
304 0x0005000800000004ULL, 0x0005000800005004ULL, 0x0005000800000804ULL, 0x0005000800005804ULL,
305 0x0005000805000004ULL, 0x0005000805005004ULL, 0x0005000805000804ULL, 0x0005000805005804ULL,
306 0x0005000800800004ULL, 0x0005000800805004ULL, 0x0005000800800804ULL, 0x0005000800805804ULL,
307 0x0005000805800004ULL, 0x0005000805805004ULL, 0x0005000805800804ULL, 0x0005000805805804ULL,
308 0x0005005800000004ULL, 0x0005005800005004ULL, 0x0005005800000804ULL, 0x0005005800005804ULL,
309 0x0005005805000004ULL, 0x0005005805005004ULL, 0x0005005805000804ULL, 0x0005005805005804ULL,
310 0x0005005800800004ULL, 0x0005005800805004ULL, 0x0005005800800804ULL, 0x0005005800805804ULL,
311 0x0005005805800004ULL, 0x0005005805805004ULL, 0x0005005805800804ULL, 0x0005005805805804ULL,
312 0x0000800000000000ULL, 0x0000800000005000ULL, 0x0000800000000800ULL, 0x0000800000005800ULL,
313 0x0000800005000000ULL, 0x0000800005005000ULL, 0x0000800005000800ULL, 0x0000800005005800ULL,
314 0x0000800000800000ULL, 0x0000800000805000ULL, 0x0000800000800800ULL, 0x0000800000805800ULL,
315 0x0000800005800000ULL, 0x0000800005805000ULL, 0x0000800005800800ULL, 0x0000800005805800ULL,
316 0x0000805000000000ULL, 0x0000805000005000ULL, 0x0000805000000800ULL, 0x0000805000005800ULL,
317 0x0000805005000000ULL, 0x0000805005005000ULL, 0x0000805005000800ULL, 0x0000805005005800ULL,
318 0x0000805000800000ULL, 0x0000805000805000ULL, 0x0000805000800800ULL, 0x0000805000805800ULL,
319 0x0000805005800000ULL, 0x0000805005805000ULL, 0x0000805005800800ULL, 0x0000805005805800ULL,
320 0x0000800800000000ULL, 0x0000800800005000ULL, 0x0000800800000800ULL, 0x0000800800005800ULL,
321 0x0000800805000000ULL, 0x0000800805005000ULL, 0x0000800805000800ULL, 0x0000800805005800ULL,
322 0x0000800800800000ULL, 0x0000800800805000ULL, 0x0000800800800800ULL, 0x0000800800805800ULL,
323 0x0000800805800000ULL, 0x0000800805805000ULL, 0x0000800805800800ULL, 0x0000800805805800ULL,
324 0x0000805800000000ULL, 0x0000805800005000ULL, 0x0000805800000800ULL, 0x0000805800005800ULL,
325 0x0000805805000000ULL, 0x0000805805005000ULL, 0x0000805805000800ULL, 0x0000805805005800ULL,
326 0x0000805800800000ULL, 0x0000805800805000ULL, 0x0000805800800800ULL, 0x0000805800805800ULL,
327 0x0000805805800000ULL, 0x0000805805805000ULL, 0x0000805805800800ULL, 0x0000805805805800ULL,
328 0x0005800000000004ULL, 0x0005800000005004ULL, 0x0005800000000804ULL, 0x0005800000005804ULL,
329 0x0005800005000004ULL, 0x0005800005005004ULL, 0x0005800005000804ULL, 0x0005800005005804ULL,
330 0x0005800000800004ULL, 0x0005800000805004ULL, 0x0005800000800804ULL, 0x0005800000805804ULL,
331 0x0005800005800004ULL, 0x0005800005805004ULL, 0x0005800005800804ULL, 0x0005800005805804ULL,
332 0x0005805000000004ULL, 0x0005805000005004ULL, 0x0005805000000804ULL, 0x0005805000005804ULL,
333 0x0005805005000004ULL, 0x0005805005005004ULL, 0x0005805005000804ULL, 0x0005805005005804ULL,
334 0x0005805000800004ULL, 0x0005805000805004ULL, 0x0005805000800804ULL, 0x0005805000805804ULL,
335 0x0005805005800004ULL, 0x0005805005805004ULL, 0x0005805005800804ULL, 0x0005805005805804ULL,
336 0x0005800800000004ULL, 0x0005800800005004ULL, 0x0005800800000804ULL, 0x0005800800005804ULL,
337 0x0005800805000004ULL, 0x0005800805005004ULL, 0x0005800805000804ULL, 0x0005800805005804ULL,
338 0x0005800800800004ULL, 0x0005800800805004ULL, 0x0005800800800804ULL, 0x0005800800805804ULL,
339 0x0005800805800004ULL, 0x0005800805805004ULL, 0x0005800805800804ULL, 0x0005800805805804ULL,
340 0x0005805800000004ULL, 0x0005805800005004ULL, 0x0005805800000804ULL, 0x0005805800005804ULL,
341 0x0005805805000004ULL, 0x0005805805005004ULL, 0x0005805805000804ULL, 0x0005805805005804ULL,
342 0x0005805800800004ULL, 0x0005805800805004ULL, 0x0005805800800804ULL, 0x0005805800805804ULL,
343 0x0005805805800004ULL, 0x0005805805805004ULL, 0x0005805805800804ULL, 0x0005805805805804ULL
344 }
345 /* END CSTYLED */
346 };
347
348 static const uint32_t fp_table[256]=
349 {
350 0x00000000, 0x80000000, 0x00800000, 0x80800000,
351 0x00008000, 0x80008000, 0x00808000, 0x80808000,
352 0x00000080, 0x80000080, 0x00800080, 0x80800080,
353 0x00008080, 0x80008080, 0x00808080, 0x80808080,
354 0x40000000, 0xc0000000, 0x40800000, 0xc0800000,
355 0x40008000, 0xc0008000, 0x40808000, 0xc0808000,
356 0x40000080, 0xc0000080, 0x40800080, 0xc0800080,
357 0x40008080, 0xc0008080, 0x40808080, 0xc0808080,
358 0x00400000, 0x80400000, 0x00c00000, 0x80c00000,
359 0x00408000, 0x80408000, 0x00c08000, 0x80c08000,
360 0x00400080, 0x80400080, 0x00c00080, 0x80c00080,
361 0x00408080, 0x80408080, 0x00c08080, 0x80c08080,
362 0x40400000, 0xc0400000, 0x40c00000, 0xc0c00000,
363 0x40408000, 0xc0408000, 0x40c08000, 0xc0c08000,
364 0x40400080, 0xc0400080, 0x40c00080, 0xc0c00080,
365 0x40408080, 0xc0408080, 0x40c08080, 0xc0c08080,
366 0x00004000, 0x80004000, 0x00804000, 0x80804000,
367 0x0000c000, 0x8000c000, 0x0080c000, 0x8080c000,
368 0x00004080, 0x80004080, 0x00804080, 0x80804080,
369 0x0000c080, 0x8000c080, 0x0080c080, 0x8080c080,
370 0x40004000, 0xc0004000, 0x40804000, 0xc0804000,
371 0x4000c000, 0xc000c000, 0x4080c000, 0xc080c000,
372 0x40004080, 0xc0004080, 0x40804080, 0xc0804080,
373 0x4000c080, 0xc000c080, 0x4080c080, 0xc080c080,
374 0x00404000, 0x80404000, 0x00c04000, 0x80c04000,
375 0x0040c000, 0x8040c000, 0x00c0c000, 0x80c0c000,
376 0x00404080, 0x80404080, 0x00c04080, 0x80c04080,
377 0x0040c080, 0x8040c080, 0x00c0c080, 0x80c0c080,
378 0x40404000, 0xc0404000, 0x40c04000, 0xc0c04000,
379 0x4040c000, 0xc040c000, 0x40c0c000, 0xc0c0c000,
380 0x40404080, 0xc0404080, 0x40c04080, 0xc0c04080,
381 0x4040c080, 0xc040c080, 0x40c0c080, 0xc0c0c080,
382 0x00000040, 0x80000040, 0x00800040, 0x80800040,
383 0x00008040, 0x80008040, 0x00808040, 0x80808040,
384 0x000000c0, 0x800000c0, 0x008000c0, 0x808000c0,
385 0x000080c0, 0x800080c0, 0x008080c0, 0x808080c0,
386 0x40000040, 0xc0000040, 0x40800040, 0xc0800040,
387 0x40008040, 0xc0008040, 0x40808040, 0xc0808040,
388 0x400000c0, 0xc00000c0, 0x408000c0, 0xc08000c0,
389 0x400080c0, 0xc00080c0, 0x408080c0, 0xc08080c0,
390 0x00400040, 0x80400040, 0x00c00040, 0x80c00040,
391 0x00408040, 0x80408040, 0x00c08040, 0x80c08040,
392 0x004000c0, 0x804000c0, 0x00c000c0, 0x80c000c0,
393 0x004080c0, 0x804080c0, 0x00c080c0, 0x80c080c0,
394 0x40400040, 0xc0400040, 0x40c00040, 0xc0c00040,
395 0x40408040, 0xc0408040, 0x40c08040, 0xc0c08040,
396 0x404000c0, 0xc04000c0, 0x40c000c0, 0xc0c000c0,
397 0x404080c0, 0xc04080c0, 0x40c080c0, 0xc0c080c0,
398 0x00004040, 0x80004040, 0x00804040, 0x80804040,
399 0x0000c040, 0x8000c040, 0x0080c040, 0x8080c040,
400 0x000040c0, 0x800040c0, 0x008040c0, 0x808040c0,
401 0x0000c0c0, 0x8000c0c0, 0x0080c0c0, 0x8080c0c0,
402 0x40004040, 0xc0004040, 0x40804040, 0xc0804040,
403 0x4000c040, 0xc000c040, 0x4080c040, 0xc080c040,
404 0x400040c0, 0xc00040c0, 0x408040c0, 0xc08040c0,
405 0x4000c0c0, 0xc000c0c0, 0x4080c0c0, 0xc080c0c0,
406 0x00404040, 0x80404040, 0x00c04040, 0x80c04040,
407 0x0040c040, 0x8040c040, 0x00c0c040, 0x80c0c040,
408 0x004040c0, 0x804040c0, 0x00c040c0, 0x80c040c0,
409 0x0040c0c0, 0x8040c0c0, 0x00c0c0c0, 0x80c0c0c0,
410 0x40404040, 0xc0404040, 0x40c04040, 0xc0c04040,
411 0x4040c040, 0xc040c040, 0x40c0c040, 0xc0c0c040,
412 0x404040c0, 0xc04040c0, 0x40c040c0, 0xc0c040c0,
413 0x4040c0c0, 0xc040c0c0, 0x40c0c0c0, 0xc0c0c0c0
414 };
415
416 static const uint64_t all_a = 0xaaaaaaaaaaaaaaaaULL;
417 static const uint64_t all_5 = 0x5555555555555555ULL;
418 static const uint64_t top_1 = 0xfc000000000000ULL;
419 static const uint64_t mid_4 = 0x3fffffc000000ULL;
420 static const uint64_t low_3 = 0x3ffff00ULL;
421
422
423 static void
424 des_ip(uint64_t *l, uint64_t *r, uint64_t pt)
425 {
426 uint64_t a, b;
427
428 a = pt & all_a;
429 b = pt & all_5;
430 a = a | (a << 7);
431 b = b | (b >> 7);
432
433 b = (ip_table[0][(b >> 48) & 255ULL]) |
434 (ip_table[1][(b >> 32) & 255ULL]) |
435 (ip_table[0][(b >> 16) & 255ULL] << 6) |
436 (ip_table[1][b & 255ULL] << 6);
437
438 a = (ip_table[0][(a >> 56) & 255]) |
439 (ip_table[1][(a >> 40) & 255]) |
440 (ip_table[0][(a >> 24) & 255] << 6) |
441 (ip_table[1][(a >> 8) & 255] << 6);
442
443 *l = ((b & top_1) << 8) |
444 (b & mid_4) |
445 ((b & low_3) >> 5);
446
447 *r = ((a & top_1) << 8) |
448 (a & mid_4) |
449 ((a & low_3) >> 5);
450 }
451
452
453 static uint64_t
454 des_fp(uint64_t l, uint64_t r)
455 {
456 uint32_t upper, lower;
457
458 lower = fp_table[((l >> 55) & 240) | ((r >> 59) & 15)] |
459 (fp_table[((l >> 35) & 240) | ((r>>39) & 15)] >> 2) |
460 (fp_table[((l >> 23) & 240) | ((r >> 27) & 15)] >> 4) |
461 (fp_table[((l >> 6) & 240) | ((r >> 10) & 15)] >> 6);
462
463 upper = fp_table[((l >> 41) & 240) | ((r >> 45) & 15)] |
464 (fp_table[((l >> 29) & 240) | ((r >> 33) & 15)] >> 2) |
465 (fp_table[((l >> 12) & 240) | ((r >> 16) & 15)] >> 4) |
466 (fp_table[(l & 240) | (r >> 4) & 15] >> 6);
467
468 return ((((uint64_t)upper) << 32) | (uint64_t)lower);
469
470 }
471
472 uint64_t
473 des_crypt_impl(uint64_t *ks, uint64_t block, int one_or_three)
474 {
475 int i, j;
476 uint64_t l, r, t;
477
478 des_ip(&l, &r, block);
479 for (j = 0; j < one_or_three; j++) {
480 for (i = j * 16; i < (j + 1) * 16; i++) {
481 t = r ^ ks[i];
482 t = sbox_table[0][t >> 58] |
483 sbox_table[1][(t >> 44) & 63] |
484 sbox_table[2][(t >> 38) & 63] |
485 sbox_table[3][(t >> 32) & 63] |
486 sbox_table[4][(t >> 26) & 63] |
487 sbox_table[5][(t >> 15) & 63] |
488 sbox_table[6][(t >> 9) & 63] |
489 sbox_table[7][(t >> 3) & 63];
490 t = t^l;
491 l = r;
492 r = t;
493 }
494 r = l;
495 l = t;
496 }
497
498 return (des_fp(l, r));
499 }
500 #endif /* !sun4u */
501
502 int
503 des3_crunch_block(const void *cookie, const uint8_t block[DES_BLOCK_LEN],
504 uint8_t out_block[DES_BLOCK_LEN], boolean_t decrypt)
505 {
506 keysched3_t *ksch = (keysched3_t *)cookie;
507
508 /*
509 * The code below, that is always executed on LITTLE_ENDIAN machines,
510 * reverses bytes in the block. On BIG_ENDIAN, the same code
511 * copies the block without reversing bytes.
512 */
513 #ifdef _BIG_ENDIAN
514 if (IS_P2ALIGNED(block, sizeof (uint64_t)) &&
515 IS_P2ALIGNED(out_block, sizeof (uint64_t))) {
516 if (decrypt == B_TRUE)
517 /* LINTED */
518 *(uint64_t *)out_block = des_crypt_impl(
519 ksch->ksch_decrypt, /* LINTED */
520 *(uint64_t *)block, 3);
521 else
522 /* LINTED */
523 *(uint64_t *)out_block = des_crypt_impl(
524 ksch->ksch_encrypt, /* LINTED */
525 *(uint64_t *)block, 3);
526 } else
527 #endif /* _BIG_ENDIAN */
528 {
529 uint64_t tmp;
530
531 #ifdef UNALIGNED_POINTERS_PERMITTED
532 tmp = htonll(*(uint64_t *)(void *)&block[0]);
533 #else
534 tmp = (((uint64_t)block[0] << 56) | ((uint64_t)block[1] << 48) |
535 ((uint64_t)block[2] << 40) | ((uint64_t)block[3] << 32) |
536 ((uint64_t)block[4] << 24) | ((uint64_t)block[5] << 16) |
537 ((uint64_t)block[6] << 8) | (uint64_t)block[7]);
538 #endif /* UNALIGNED_POINTERS_PERMITTED */
539
540 if (decrypt == B_TRUE)
541 tmp = des_crypt_impl(ksch->ksch_decrypt, tmp, 3);
542 else
543 tmp = des_crypt_impl(ksch->ksch_encrypt, tmp, 3);
544
545 #ifdef UNALIGNED_POINTERS_PERMITTED
546 *(uint64_t *)(void *)&out_block[0] = htonll(tmp);
547 #else
548 out_block[0] = tmp >> 56;
549 out_block[1] = tmp >> 48;
550 out_block[2] = tmp >> 40;
551 out_block[3] = tmp >> 32;
552 out_block[4] = tmp >> 24;
553 out_block[5] = tmp >> 16;
554 out_block[6] = tmp >> 8;
555 out_block[7] = (uint8_t)tmp;
556 #endif /* UNALIGNED_POINTERS_PERMITTED */
557 }
558 return (CRYPTO_SUCCESS);
559 }
560
561 int
562 des_crunch_block(const void *cookie, const uint8_t block[DES_BLOCK_LEN],
563 uint8_t out_block[DES_BLOCK_LEN], boolean_t decrypt)
564 {
565 keysched_t *ksch = (keysched_t *)cookie;
566
567 /*
568 * The code below, that is always executed on LITTLE_ENDIAN machines,
569 * reverses bytes in the block. On BIG_ENDIAN, the same code
570 * copies the block without reversing bytes.
571 */
572 #ifdef _BIG_ENDIAN
573 if (IS_P2ALIGNED(block, sizeof (uint64_t)) &&
574 IS_P2ALIGNED(out_block, sizeof (uint64_t))) {
575 if (decrypt == B_TRUE)
576 /* LINTED */
577 *(uint64_t *)out_block = des_crypt_impl(
578 ksch->ksch_decrypt, /* LINTED */
579 *(uint64_t *)block, 1);
580 else
581 /* LINTED */
582 *(uint64_t *)out_block = des_crypt_impl(
583 ksch->ksch_encrypt, /* LINTED */
584 *(uint64_t *)block, 1);
585
586 } else
587 #endif /* _BIG_ENDIAN */
588 {
589 uint64_t tmp;
590
591 #ifdef UNALIGNED_POINTERS_PERMITTED
592 tmp = htonll(*(uint64_t *)(void *)&block[0]);
593 #else
594 tmp = (((uint64_t)block[0] << 56) | ((uint64_t)block[1] << 48) |
595 ((uint64_t)block[2] << 40) | ((uint64_t)block[3] << 32) |
596 ((uint64_t)block[4] << 24) | ((uint64_t)block[5] << 16) |
597 ((uint64_t)block[6] << 8) | (uint64_t)block[7]);
598 #endif /* UNALIGNED_POINTERS_PERMITTED */
599
600
601 if (decrypt == B_TRUE)
602 tmp = des_crypt_impl(ksch->ksch_decrypt, tmp, 1);
603 else
604 tmp = des_crypt_impl(ksch->ksch_encrypt, tmp, 1);
605
606 #ifdef UNALIGNED_POINTERS_PERMITTED
607 *(uint64_t *)(void *)&out_block[0] = htonll(tmp);
608 #else
609 out_block[0] = tmp >> 56;
610 out_block[1] = tmp >> 48;
611 out_block[2] = tmp >> 40;
612 out_block[3] = tmp >> 32;
613 out_block[4] = tmp >> 24;
614 out_block[5] = tmp >> 16;
615 out_block[6] = tmp >> 8;
616 out_block[7] = (uint8_t)tmp;
617 #endif /* UNALIGNED_POINTERS_PERMITTED */
618 }
619 return (CRYPTO_SUCCESS);
620 }
621
622 static boolean_t
623 keycheck(uint8_t *key, uint8_t *corrected_key)
624 {
625 uint64_t key_so_far;
626 uint_t i;
627 /*
628 * Table of weak and semi-weak keys. Fortunately, weak keys are
629 * endian-independent, and some semi-weak keys can be paired up in
630 * endian-opposite order. Since keys are stored as uint64_t's,
631 * use the ifdef _LITTLE_ENDIAN where appropriate.
632 */
633 static uint64_t des_weak_keys[] = {
634 /* Really weak keys. Byte-order independent values. */
635 0x0101010101010101ULL,
636 0x1f1f1f1f0e0e0e0eULL,
637 0xe0e0e0e0f1f1f1f1ULL,
638 0xfefefefefefefefeULL,
639
640 /* Semi-weak (and a few possibly-weak) keys. */
641
642 /* Byte-order independent semi-weak keys. */
643 0x01fe01fe01fe01feULL, 0xfe01fe01fe01fe01ULL,
644
645 /* Byte-order dependent semi-weak keys. */
646 #ifdef _LITTLE_ENDIAN
647 0xf10ef10ee01fe01fULL, 0x0ef10ef11fe01fe0ULL,
648 0x01f101f101e001e0ULL, 0xf101f101e001e001ULL,
649 0x0efe0efe1ffe1ffeULL, 0xfe0efe0efe1ffe1fULL,
650 0x010e010e011f011fULL, 0x0e010e011f011f01ULL,
651 0xf1fef1fee0fee0feULL, 0xfef1fef1fee0fee0ULL,
652 #else /* Big endian */
653 0x1fe01fe00ef10ef1ULL, 0xe01fe01ff10ef10eULL,
654 0x01e001e001f101f1ULL, 0xe001e001f101f101ULL,
655 0x1ffe1ffe0efe0efeULL, 0xfe1ffe1ffe0efe0eULL,
656 0x011f011f010e010eULL, 0x1f011f010e010e01ULL,
657 0xe0fee0fef1fef1feULL, 0xfee0fee0fef1fef1ULL,
658 #endif /* _LITTLE_ENDIAN */
659
660 /* We'll save the other possibly-weak keys for the future. */
661 };
662
663 if (key == NULL)
664 return (B_FALSE);
665
666 #ifdef UNALIGNED_POINTERS_PERMITTED
667 key_so_far = htonll(*(uint64_t *)(void *)&key[0]);
668 #else
669 /*
670 * The code below reverses the bytes on LITTLE_ENDIAN machines.
671 * On BIG_ENDIAN, the same code copies without reversing
672 * the bytes.
673 */
674 key_so_far = (((uint64_t)key[0] << 56) | ((uint64_t)key[1] << 48) |
675 ((uint64_t)key[2] << 40) | ((uint64_t)key[3] << 32) |
676 ((uint64_t)key[4] << 24) | ((uint64_t)key[5] << 16) |
677 ((uint64_t)key[6] << 8) | (uint64_t)key[7]);
678 #endif /* UNALIGNED_POINTERS_PERMITTED */
679
680 /*
681 * Fix parity.
682 */
683 fix_des_parity(&key_so_far);
684
685 /* Do weak key check itself. */
686 for (i = 0; i < (sizeof (des_weak_keys) / sizeof (uint64_t)); i++)
687 if (key_so_far == des_weak_keys[i]) {
688 return (B_FALSE);
689 }
690
691 if (corrected_key != NULL) {
692 #ifdef UNALIGNED_POINTERS_PERMITTED
693 *(uint64_t *)(void *)&corrected_key[0] = htonll(key_so_far);
694 #else
695 /*
696 * The code below reverses the bytes on LITTLE_ENDIAN machines.
697 * On BIG_ENDIAN, the same code copies without reversing
698 * the bytes.
699 */
700 corrected_key[0] = key_so_far >> 56;
701 corrected_key[1] = key_so_far >> 48;
702 corrected_key[2] = key_so_far >> 40;
703 corrected_key[3] = key_so_far >> 32;
704 corrected_key[4] = key_so_far >> 24;
705 corrected_key[5] = key_so_far >> 16;
706 corrected_key[6] = key_so_far >> 8;
707 corrected_key[7] = (uint8_t)key_so_far;
708 #endif /* UNALIGNED_POINTERS_PERMITTED */
709 }
710 return (B_TRUE);
711 }
712
713 static boolean_t
714 des23_keycheck(uint8_t *key, uint8_t *corrected_key, boolean_t des3)
715 {
716 uint64_t aligned_key[DES3_KEYSIZE / sizeof (uint64_t)];
717 uint64_t key_so_far, scratch, *currentkey;
718 uint_t j, num_weakkeys = 0;
719 uint8_t keysize = DES3_KEYSIZE;
720 uint8_t checks = 3;
721
722 if (key == NULL) {
723 return (B_FALSE);
724 }
725
726 if (des3 == B_FALSE) {
727 keysize = DES2_KEYSIZE;
728 checks = 2;
729 }
730
731 if (!IS_P2ALIGNED(key, sizeof (uint64_t))) {
732 bcopy(key, aligned_key, keysize);
733 currentkey = (uint64_t *)aligned_key;
734 } else {
735 /* LINTED */
736 currentkey = (uint64_t *)key;
737 }
738
739 for (j = 0; j < checks; j++) {
740 key_so_far = currentkey[j];
741
742 if (!keycheck((uint8_t *)&key_so_far, (uint8_t *)&scratch)) {
743 if (++num_weakkeys > 1) {
744 return (B_FALSE);
745 }
746 /*
747 * We found a weak key, but since
748 * we've only found one weak key,
749 * we can not reject the whole 3DES
750 * set of keys as weak.
751 *
752 * Break from the weak key loop
753 * (since this DES key is weak) and
754 * continue on.
755 */
756 }
757
758 currentkey[j] = scratch;
759 }
760
761 /*
762 * Perform key equivalence checks, now that parity is properly set.
763 * 1st and 2nd keys must be unique, the 3rd key can be the same as
764 * the 1st key for the 2 key variant of 3DES.
765 */
766 if (currentkey[0] == currentkey[1] || currentkey[1] == currentkey[2])
767 return (B_FALSE);
768
769 if (corrected_key != NULL) {
770 bcopy(currentkey, corrected_key, keysize);
771 }
772
773 return (B_TRUE);
774 }
775
776 boolean_t
777 des_keycheck(uint8_t *key, des_strength_t strength, uint8_t *corrected_key)
778 {
779 if (strength == DES) {
780 return (keycheck(key, corrected_key));
781 } else if (strength == DES2) {
782 return (des23_keycheck(key, corrected_key, B_FALSE));
783 } else if (strength == DES3) {
784 return (des23_keycheck(key, corrected_key, B_TRUE));
785 } else {
786 return (B_FALSE);
787 }
788 }
789
790 void
791 des_parity_fix(uint8_t *key, des_strength_t strength, uint8_t *corrected_key)
792 {
793 uint64_t aligned_key[DES3_KEYSIZE / sizeof (uint64_t)];
794 uint8_t *paritied_key;
795 uint64_t key_so_far;
796 int i = 0, offset = 0;
797
798 if (strength == DES)
799 bcopy(key, aligned_key, DES_KEYSIZE);
800 else
801 bcopy(key, aligned_key, DES3_KEYSIZE);
802
803 paritied_key = (uint8_t *)aligned_key;
804 while (strength > i) {
805 offset = 8 * i;
806 #ifdef UNALIGNED_POINTERS_PERMITTED
807 key_so_far = htonll(*(uint64_t *)(void *)&paritied_key[offset]);
808 #else
809 key_so_far = (((uint64_t)paritied_key[offset + 0] << 56) |
810 ((uint64_t)paritied_key[offset + 1] << 48) |
811 ((uint64_t)paritied_key[offset + 2] << 40) |
812 ((uint64_t)paritied_key[offset + 3] << 32) |
813 ((uint64_t)paritied_key[offset + 4] << 24) |
814 ((uint64_t)paritied_key[offset + 5] << 16) |
815 ((uint64_t)paritied_key[offset + 6] << 8) |
816 (uint64_t)paritied_key[offset + 7]);
817 #endif /* UNALIGNED_POINTERS_PERMITTED */
818
819 fix_des_parity(&key_so_far);
820
821 #ifdef UNALIGNED_POINTERS_PERMITTED
822 *(uint64_t *)(void *)&paritied_key[offset] = htonll(key_so_far);
823 #else
824 paritied_key[offset + 0] = key_so_far >> 56;
825 paritied_key[offset + 1] = key_so_far >> 48;
826 paritied_key[offset + 2] = key_so_far >> 40;
827 paritied_key[offset + 3] = key_so_far >> 32;
828 paritied_key[offset + 4] = key_so_far >> 24;
829 paritied_key[offset + 5] = key_so_far >> 16;
830 paritied_key[offset + 6] = key_so_far >> 8;
831 paritied_key[offset + 7] = (uint8_t)key_so_far;
832 #endif /* UNALIGNED_POINTERS_PERMITTED */
833
834 i++;
835 }
836
837 bcopy(paritied_key, corrected_key, DES_KEYSIZE * strength);
838 }
839
840
841 /*
842 * Initialize key schedule for DES, DES2, and DES3
843 */
844 void
845 des_init_keysched(uint8_t *cipherKey, des_strength_t strength, void *ks)
846 {
847 uint64_t *encryption_ks;
848 uint64_t *decryption_ks;
849 uint64_t keysched[48];
850 uint64_t key_uint64[3];
851 uint64_t tmp;
852 uint_t keysize, i, j;
853
854 switch (strength) {
855 case DES:
856 keysize = DES_KEYSIZE;
857 encryption_ks = ((keysched_t *)ks)->ksch_encrypt;
858 decryption_ks = ((keysched_t *)ks)->ksch_decrypt;
859 break;
860 case DES2:
861 keysize = DES2_KEYSIZE;
862 encryption_ks = ((keysched3_t *)ks)->ksch_encrypt;
863 decryption_ks = ((keysched3_t *)ks)->ksch_decrypt;
864 break;
865 case DES3:
866 keysize = DES3_KEYSIZE;
867 encryption_ks = ((keysched3_t *)ks)->ksch_encrypt;
868 decryption_ks = ((keysched3_t *)ks)->ksch_decrypt;
869 }
870
871 /*
872 * The code below, that is always executed on LITTLE_ENDIAN machines,
873 * reverses every 8 bytes in the key. On BIG_ENDIAN, the same code
874 * copies the key without reversing bytes.
875 */
876 #ifdef _BIG_ENDIAN
877 if (IS_P2ALIGNED(cipherKey, sizeof (uint64_t))) {
878 for (i = 0, j = 0; j < keysize; i++, j += 8) {
879 /* LINTED: pointer alignment */
880 key_uint64[i] = *((uint64_t *)&cipherKey[j]);
881 }
882 } else
883 #endif /* _BIG_ENDIAN */
884 {
885 for (i = 0, j = 0; j < keysize; i++, j += 8) {
886 #ifdef UNALIGNED_POINTERS_PERMITTED
887 key_uint64[i] =
888 htonll(*(uint64_t *)(void *)&cipherKey[j]);
889 #else
890 key_uint64[i] = (((uint64_t)cipherKey[j] << 56) |
891 ((uint64_t)cipherKey[j + 1] << 48) |
892 ((uint64_t)cipherKey[j + 2] << 40) |
893 ((uint64_t)cipherKey[j + 3] << 32) |
894 ((uint64_t)cipherKey[j + 4] << 24) |
895 ((uint64_t)cipherKey[j + 5] << 16) |
896 ((uint64_t)cipherKey[j + 6] << 8) |
897 (uint64_t)cipherKey[j + 7]);
898 #endif /* UNALIGNED_POINTERS_PERMITTED */
899 }
900 }
901
902 switch (strength) {
903 case DES:
904 des_ks(keysched, key_uint64[0]);
905 break;
906
907 case DES2:
908 /* DES2 is just DES3 with the first and third keys the same */
909 bcopy(key_uint64, key_uint64 + 2, DES_KEYSIZE);
910 /* FALLTHRU */
911 case DES3:
912 des_ks(keysched, key_uint64[0]);
913 des_ks(keysched + 16, key_uint64[1]);
914 for (i = 0; i < 8; i++) {
915 tmp = keysched[16+i];
916 keysched[16+i] = keysched[31-i];
917 keysched[31-i] = tmp;
918 }
919 des_ks(keysched+32, key_uint64[2]);
920 keysize = DES3_KEYSIZE;
921 }
922
923 /* save the encryption keyschedule */
924 bcopy(keysched, encryption_ks, keysize * 16);
925
926 /* reverse the key schedule */
927 for (i = 0; i < keysize; i++) {
928 tmp = keysched[i];
929 keysched[i] = keysched[2 * keysize - 1 - i];
930 keysched[2 * keysize -1 -i] = tmp;
931 }
932
933 /* save the decryption keyschedule */
934 bcopy(keysched, decryption_ks, keysize * 16);
935 }
936
937 /*
938 * Allocate key schedule.
939 */
940 /*ARGSUSED*/
941 void *
942 des_alloc_keysched(size_t *keysched_size, des_strength_t strength, int kmflag)
943 {
944 void *keysched;
945
946 size_t size;
947
948 switch (strength) {
949 case DES:
950 size = sizeof (keysched_t);
951 break;
952 case DES2:
953 case DES3:
954 size = sizeof (keysched3_t);
955 }
956
957 #ifdef _KERNEL
958 keysched = (keysched_t *)kmem_alloc(size, kmflag);
959 #else /* !_KERNEL */
960 keysched = (keysched_t *)malloc(size);
961 #endif /* _KERNEL */
962
963 if (keysched == NULL)
964 return (NULL);
965
966 if (keysched_size != NULL)
967 *keysched_size = size;
968
969 return (keysched);
970 }
971
972 /*
973 * Replace the LSB of each byte by the xor of the other
974 * 7 bits. The tricky thing is that the original contents of the LSBs
975 * are nullified by including them twice in the xor computation.
976 */
977 static void
978 fix_des_parity(uint64_t *keyp)
979 {
980 uint64_t k = *keyp;
981 k ^= k >> 1;
982 k ^= k >> 2;
983 k ^= k >> 4;
984 *keyp ^= (k & 0x0101010101010101ULL);
985 *keyp ^= 0x0101010101010101ULL;
986 }
987
988 void
989 des_copy_block(uint8_t *in, uint8_t *out)
990 {
991 if (IS_P2ALIGNED(in, sizeof (uint32_t)) &&
992 IS_P2ALIGNED(out, sizeof (uint32_t))) {
993 /* LINTED: pointer alignment */
994 *(uint32_t *)&out[0] = *(uint32_t *)&in[0];
995 /* LINTED: pointer alignment */
996 *(uint32_t *)&out[4] = *(uint32_t *)&in[4];
997 } else {
998 DES_COPY_BLOCK(in, out);
999 }
1000 }
1001
1002 /* XOR block of data into dest */
1003 void
1004 des_xor_block(uint8_t *data, uint8_t *dst)
1005 {
1006 if (IS_P2ALIGNED(dst, sizeof (uint32_t)) &&
1007 IS_P2ALIGNED(data, sizeof (uint32_t))) {
1008 /* LINTED: pointer alignment */
1009 *(uint32_t *)&dst[0] ^=
1010 /* LINTED: pointer alignment */
1011 *(uint32_t *)&data[0];
1012 /* LINTED: pointer alignment */
1013 *(uint32_t *)&dst[4] ^=
1014 /* LINTED: pointer alignment */
1015 *(uint32_t *)&data[4];
1016 } else {
1017 DES_XOR_BLOCK(data, dst);
1018 }
1019 }
1020
1021 int
1022 des_encrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1023 {
1024 return (des_crunch_block(keysched, in, out, B_FALSE));
1025 }
1026
1027 int
1028 des3_encrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1029 {
1030 return (des3_crunch_block(keysched, in, out, B_FALSE));
1031 }
1032
1033 int
1034 des_decrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1035 {
1036 return (des_crunch_block(keysched, in, out, B_TRUE));
1037 }
1038
1039 int
1040 des3_decrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1041 {
1042 return (des3_crunch_block(keysched, in, out, B_TRUE));
1043 }
1044
1045 /*
1046 * Encrypt multiple blocks of data according to mode.
1047 */
1048 int
1049 des_encrypt_contiguous_blocks(void *ctx, char *data, size_t length,
1050 crypto_data_t *out)
1051 {
1052 des_ctx_t *des_ctx = ctx;
1053 int rv;
1054
1055 if (des_ctx->dc_flags & DES3_STRENGTH) {
1056 if (des_ctx->dc_flags & CBC_MODE) {
1057 rv = cbc_encrypt_contiguous_blocks(ctx, data,
1058 length, out, DES_BLOCK_LEN, des3_encrypt_block,
1059 des_copy_block, des_xor_block);
1060 } else {
1061 rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1062 out, DES_BLOCK_LEN, des3_encrypt_block);
1063 }
1064 } else {
1065 if (des_ctx->dc_flags & CBC_MODE) {
1066 rv = cbc_encrypt_contiguous_blocks(ctx, data,
1067 length, out, DES_BLOCK_LEN, des_encrypt_block,
1068 des_copy_block, des_xor_block);
1069 } else {
1070 rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1071 out, DES_BLOCK_LEN, des_encrypt_block);
1072 }
1073 }
1074 return (rv);
1075 }
1076
1077 /*
1078 * Decrypt multiple blocks of data according to mode.
1079 */
1080 int
1081 des_decrypt_contiguous_blocks(void *ctx, char *data, size_t length,
1082 crypto_data_t *out)
1083 {
1084 des_ctx_t *des_ctx = ctx;
1085 int rv;
1086
1087 if (des_ctx->dc_flags & DES3_STRENGTH) {
1088 if (des_ctx->dc_flags & CBC_MODE) {
1089 rv = cbc_decrypt_contiguous_blocks(ctx, data,
1090 length, out, DES_BLOCK_LEN, des3_decrypt_block,
1091 des_copy_block, des_xor_block);
1092 } else {
1093 rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1094 out, DES_BLOCK_LEN, des3_decrypt_block);
1095 if (rv == CRYPTO_DATA_LEN_RANGE)
1096 rv = CRYPTO_ENCRYPTED_DATA_LEN_RANGE;
1097 }
1098 } else {
1099 if (des_ctx->dc_flags & CBC_MODE) {
1100 rv = cbc_decrypt_contiguous_blocks(ctx, data,
1101 length, out, DES_BLOCK_LEN, des_decrypt_block,
1102 des_copy_block, des_xor_block);
1103 } else {
1104 rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1105 out, DES_BLOCK_LEN, des_decrypt_block);
1106 if (rv == CRYPTO_DATA_LEN_RANGE)
1107 rv = CRYPTO_ENCRYPTED_DATA_LEN_RANGE;
1108 }
1109 }
1110 return (rv);
1111 }
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