xref: /illumos-gate/usr/src/common/crypto/des/des_impl.c (revision 0dee7919e2f2a6479d16b370af93747b9416b242)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <sys/types.h>
30 #include <sys/systm.h>
31 #include <sys/ddi.h>
32 #include <sys/sysmacros.h>
33 #include <sys/strsun.h>
34 #include <sys/note.h>
35 #include <sys/crypto/common.h>
36 #include "des_impl.h"
37 #ifndef	_KERNEL
38 #include <strings.h>
39 #include <stdlib.h>
40 #endif	/* !_KERNEL */
41 
42 /* EXPORT DELETE START */
43 
44 typedef struct keysched_s {
45 	uint64_t ksch_encrypt[16];
46 	uint64_t ksch_decrypt[16];
47 } keysched_t;
48 
49 typedef struct keysched3_s {
50 	uint64_t ksch_encrypt[48];
51 	uint64_t ksch_decrypt[48];
52 } keysched3_t;
53 
54 static void fix_des_parity(uint64_t *);
55 
56 #ifndef sun4u
57 
58 static const uint64_t sbox_table[8][64]=
59 {
60 /* BEGIN CSTYLED */
61 {
62 0x0000140140020000ULL, 0x0000000000000000ULL, 0x0000000140000000ULL, 0x0000140140020020ULL,
63 0x0000140140000020ULL, 0x0000000140020020ULL, 0x0000000000000020ULL, 0x0000000140000000ULL,
64 0x0000000000020000ULL, 0x0000140140020000ULL, 0x0000140140020020ULL, 0x0000000000020000ULL,
65 0x0000140000020020ULL, 0x0000140140000020ULL, 0x0000140000000000ULL, 0x0000000000000020ULL,
66 0x0000000000020020ULL, 0x0000140000020000ULL, 0x0000140000020000ULL, 0x0000000140020000ULL,
67 0x0000000140020000ULL, 0x0000140140000000ULL, 0x0000140140000000ULL, 0x0000140000020020ULL,
68 0x0000000140000020ULL, 0x0000140000000020ULL, 0x0000140000000020ULL, 0x0000000140000020ULL,
69 0x0000000000000000ULL, 0x0000000000020020ULL, 0x0000000140020020ULL, 0x0000140000000000ULL,
70 0x0000000140000000ULL, 0x0000140140020020ULL, 0x0000000000000020ULL, 0x0000140140000000ULL,
71 0x0000140140020000ULL, 0x0000140000000000ULL, 0x0000140000000000ULL, 0x0000000000020000ULL,
72 0x0000140140000020ULL, 0x0000000140000000ULL, 0x0000000140020000ULL, 0x0000140000000020ULL,
73 0x0000000000020000ULL, 0x0000000000000020ULL, 0x0000140000020020ULL, 0x0000000140020020ULL,
74 0x0000140140020020ULL, 0x0000000140000020ULL, 0x0000140140000000ULL, 0x0000140000020020ULL,
75 0x0000140000000020ULL, 0x0000000000020020ULL, 0x0000000140020020ULL, 0x0000140140020000ULL,
76 0x0000000000020020ULL, 0x0000140000020000ULL, 0x0000140000020000ULL, 0x0000000000000000ULL,
77 0x0000000140000020ULL, 0x0000000140020000ULL, 0x0000000000000000ULL, 0x0000140140000020ULL
78 },
79 {
80 0x2000005020000500ULL, 0x2000000020000000ULL, 0x0000000020000000ULL, 0x0000005020000500ULL,
81 0x0000005000000000ULL, 0x0000000000000500ULL, 0x2000005000000500ULL, 0x2000000020000500ULL,
82 0x2000000000000500ULL, 0x2000005020000500ULL, 0x2000005020000000ULL, 0x2000000000000000ULL,
83 0x2000000020000000ULL, 0x0000005000000000ULL, 0x0000000000000500ULL, 0x2000005000000500ULL,
84 0x0000005020000000ULL, 0x0000005000000500ULL, 0x2000000020000500ULL, 0x0000000000000000ULL,
85 0x2000000000000000ULL, 0x0000000020000000ULL, 0x0000005020000500ULL, 0x2000005000000000ULL,
86 0x0000005000000500ULL, 0x2000000000000500ULL, 0x0000000000000000ULL, 0x0000005020000000ULL,
87 0x0000000020000500ULL, 0x2000005020000000ULL, 0x2000005000000000ULL, 0x0000000020000500ULL,
88 0x0000000000000000ULL, 0x0000005020000500ULL, 0x2000005000000500ULL, 0x0000005000000000ULL,
89 0x2000000020000500ULL, 0x2000005000000000ULL, 0x2000005020000000ULL, 0x0000000020000000ULL,
90 0x2000005000000000ULL, 0x2000000020000000ULL, 0x0000000000000500ULL, 0x2000005020000500ULL,
91 0x0000005020000500ULL, 0x0000000000000500ULL, 0x0000000020000000ULL, 0x2000000000000000ULL,
92 0x0000000020000500ULL, 0x2000005020000000ULL, 0x0000005000000000ULL, 0x2000000000000500ULL,
93 0x0000005000000500ULL, 0x2000000020000500ULL, 0x2000000000000500ULL, 0x0000005000000500ULL,
94 0x0000005020000000ULL, 0x0000000000000000ULL, 0x2000000020000000ULL, 0x0000000020000500ULL,
95 0x2000000000000000ULL, 0x2000005000000500ULL, 0x2000005020000500ULL, 0x0000005020000000ULL
96 },
97 {
98 0x0000000000014040ULL, 0x0000800280014000ULL, 0x0000000000000000ULL, 0x0000800280000040ULL,
99 0x0000800000014000ULL, 0x0000000000000000ULL, 0x0000000280014040ULL, 0x0000800000014000ULL,
100 0x0000000280000040ULL, 0x0000800000000040ULL, 0x0000800000000040ULL, 0x0000000280000000ULL,
101 0x0000800280014040ULL, 0x0000000280000040ULL, 0x0000800280000000ULL, 0x0000000000014040ULL,
102 0x0000800000000000ULL, 0x0000000000000040ULL, 0x0000800280014000ULL, 0x0000000000014000ULL,
103 0x0000000280014000ULL, 0x0000800280000000ULL, 0x0000800280000040ULL, 0x0000000280014040ULL,
104 0x0000800000014040ULL, 0x0000000280014000ULL, 0x0000000280000000ULL, 0x0000800000014040ULL,
105 0x0000000000000040ULL, 0x0000800280014040ULL, 0x0000000000014000ULL, 0x0000800000000000ULL,
106 0x0000800280014000ULL, 0x0000800000000000ULL, 0x0000000280000040ULL, 0x0000000000014040ULL,
107 0x0000000280000000ULL, 0x0000800280014000ULL, 0x0000800000014000ULL, 0x0000000000000000ULL,
108 0x0000000000014000ULL, 0x0000000280000040ULL, 0x0000800280014040ULL, 0x0000800000014000ULL,
109 0x0000800000000040ULL, 0x0000000000014000ULL, 0x0000000000000000ULL, 0x0000800280000040ULL,
110 0x0000800000014040ULL, 0x0000000280000000ULL, 0x0000800000000000ULL, 0x0000800280014040ULL,
111 0x0000000000000040ULL, 0x0000000280014040ULL, 0x0000000280014000ULL, 0x0000800000000040ULL,
112 0x0000800280000000ULL, 0x0000800000014040ULL, 0x0000000000014040ULL, 0x0000800280000000ULL,
113 0x0000000280014040ULL, 0x0000000000000040ULL, 0x0000800280000040ULL, 0x0000000280014000ULL
114 },
115 {
116 0x4000020008100008ULL, 0x4000000008101008ULL, 0x4000000008101008ULL, 0x0000000000001000ULL,
117 0x0000020008101000ULL, 0x4000020000001008ULL, 0x4000020000000008ULL, 0x4000000008100008ULL,
118 0x0000000000000000ULL, 0x0000020008100000ULL, 0x0000020008100000ULL, 0x4000020008101008ULL,
119 0x4000000000001008ULL, 0x0000000000000000ULL, 0x0000020000001000ULL, 0x4000020000000008ULL,
120 0x4000000000000008ULL, 0x0000000008100000ULL, 0x0000020000000000ULL, 0x4000020008100008ULL,
121 0x0000000000001000ULL, 0x0000020000000000ULL, 0x4000000008100008ULL, 0x0000000008101000ULL,
122 0x4000020000001008ULL, 0x4000000000000008ULL, 0x0000000008101000ULL, 0x0000020000001000ULL,
123 0x0000000008100000ULL, 0x0000020008101000ULL, 0x4000020008101008ULL, 0x4000000000001008ULL,
124 0x0000020000001000ULL, 0x4000020000000008ULL, 0x0000020008100000ULL, 0x4000020008101008ULL,
125 0x4000000000001008ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000020008100000ULL,
126 0x0000000008101000ULL, 0x0000020000001000ULL, 0x4000020000001008ULL, 0x4000000000000008ULL,
127 0x4000020008100008ULL, 0x4000000008101008ULL, 0x4000000008101008ULL, 0x0000000000001000ULL,
128 0x4000020008101008ULL, 0x4000000000001008ULL, 0x4000000000000008ULL, 0x0000000008100000ULL,
129 0x4000020000000008ULL, 0x4000000008100008ULL, 0x0000020008101000ULL, 0x4000020000001008ULL,
130 0x4000000008100008ULL, 0x0000000008101000ULL, 0x0000020000000000ULL, 0x4000020008100008ULL,
131 0x0000000000001000ULL, 0x0000020000000000ULL, 0x0000000008100000ULL, 0x0000020008101000ULL
132 },
133 {
134 0x000000000000a000ULL, 0x000028080000a000ULL, 0x0000280800000000ULL, 0x100028000000a000ULL,
135 0x0000000800000000ULL, 0x000000000000a000ULL, 0x1000000000000000ULL, 0x0000280800000000ULL,
136 0x100000080000a000ULL, 0x0000000800000000ULL, 0x000028000000a000ULL, 0x100000080000a000ULL,
137 0x100028000000a000ULL, 0x1000280800000000ULL, 0x000000080000a000ULL, 0x1000000000000000ULL,
138 0x0000280000000000ULL, 0x1000000800000000ULL, 0x1000000800000000ULL, 0x0000000000000000ULL,
139 0x100000000000a000ULL, 0x100028080000a000ULL, 0x100028080000a000ULL, 0x000028000000a000ULL,
140 0x1000280800000000ULL, 0x100000000000a000ULL, 0x0000000000000000ULL, 0x1000280000000000ULL,
141 0x000028080000a000ULL, 0x0000280000000000ULL, 0x1000280000000000ULL, 0x000000080000a000ULL,
142 0x0000000800000000ULL, 0x100028000000a000ULL, 0x000000000000a000ULL, 0x0000280000000000ULL,
143 0x1000000000000000ULL, 0x0000280800000000ULL, 0x100028000000a000ULL, 0x100000080000a000ULL,
144 0x000028000000a000ULL, 0x1000000000000000ULL, 0x1000280800000000ULL, 0x000028080000a000ULL,
145 0x100000080000a000ULL, 0x000000000000a000ULL, 0x0000280000000000ULL, 0x1000280800000000ULL,
146 0x100028080000a000ULL, 0x000000080000a000ULL, 0x1000280000000000ULL, 0x100028080000a000ULL,
147 0x0000280800000000ULL, 0x0000000000000000ULL, 0x1000000800000000ULL, 0x1000280000000000ULL,
148 0x000000080000a000ULL, 0x000028000000a000ULL, 0x100000000000a000ULL, 0x0000000800000000ULL,
149 0x0000000000000000ULL, 0x1000000800000000ULL, 0x000028080000a000ULL, 0x100000000000a000ULL
150 },
151 {
152 0x0802000000000280ULL, 0x0802010000000000ULL, 0x0000000010000000ULL, 0x0802010010000280ULL,
153 0x0802010000000000ULL, 0x0000000000000280ULL, 0x0802010010000280ULL, 0x0000010000000000ULL,
154 0x0802000010000000ULL, 0x0000010010000280ULL, 0x0000010000000000ULL, 0x0802000000000280ULL,
155 0x0000010000000280ULL, 0x0802000010000000ULL, 0x0802000000000000ULL, 0x0000000010000280ULL,
156 0x0000000000000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL, 0x0000000010000000ULL,
157 0x0000010010000000ULL, 0x0802000010000280ULL, 0x0000000000000280ULL, 0x0802010000000280ULL,
158 0x0802010000000280ULL, 0x0000000000000000ULL, 0x0000010010000280ULL, 0x0802010010000000ULL,
159 0x0000000010000280ULL, 0x0000010010000000ULL, 0x0802010010000000ULL, 0x0802000000000000ULL,
160 0x0802000010000000ULL, 0x0000000000000280ULL, 0x0802010000000280ULL, 0x0000010010000000ULL,
161 0x0802010010000280ULL, 0x0000010000000000ULL, 0x0000000010000280ULL, 0x0802000000000280ULL,
162 0x0000010000000000ULL, 0x0802000010000000ULL, 0x0802000000000000ULL, 0x0000000010000280ULL,
163 0x0802000000000280ULL, 0x0802010010000280ULL, 0x0000010010000000ULL, 0x0802010000000000ULL,
164 0x0000010010000280ULL, 0x0802010010000000ULL, 0x0000000000000000ULL, 0x0802010000000280ULL,
165 0x0000000000000280ULL, 0x0000000010000000ULL, 0x0802010000000000ULL, 0x0000010010000280ULL,
166 0x0000000010000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL, 0x0000000000000000ULL,
167 0x0802010010000000ULL, 0x0802000000000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL
168 },
169 {
170 0x000000a000000000ULL, 0x800040a000000010ULL, 0x8000400000040010ULL, 0x0000000000000000ULL,
171 0x0000000000040000ULL, 0x8000400000040010ULL, 0x800000a000040010ULL, 0x000040a000040000ULL,
172 0x800040a000040010ULL, 0x000000a000000000ULL, 0x0000000000000000ULL, 0x8000400000000010ULL,
173 0x8000000000000010ULL, 0x0000400000000000ULL, 0x800040a000000010ULL, 0x8000000000040010ULL,
174 0x0000400000040000ULL, 0x800000a000040010ULL, 0x800000a000000010ULL, 0x0000400000040000ULL,
175 0x8000400000000010ULL, 0x000040a000000000ULL, 0x000040a000040000ULL, 0x800000a000000010ULL,
176 0x000040a000000000ULL, 0x0000000000040000ULL, 0x8000000000040010ULL, 0x800040a000040010ULL,
177 0x000000a000040000ULL, 0x8000000000000010ULL, 0x0000400000000000ULL, 0x000000a000040000ULL,
178 0x0000400000000000ULL, 0x000000a000040000ULL, 0x000000a000000000ULL, 0x8000400000040010ULL,
179 0x8000400000040010ULL, 0x800040a000000010ULL, 0x800040a000000010ULL, 0x8000000000000010ULL,
180 0x800000a000000010ULL, 0x0000400000000000ULL, 0x0000400000040000ULL, 0x000000a000000000ULL,
181 0x000040a000040000ULL, 0x8000000000040010ULL, 0x800000a000040010ULL, 0x000040a000040000ULL,
182 0x8000000000040010ULL, 0x8000400000000010ULL, 0x800040a000040010ULL, 0x000040a000000000ULL,
183 0x000000a000040000ULL, 0x0000000000000000ULL, 0x8000000000000010ULL, 0x800040a000040010ULL,
184 0x0000000000000000ULL, 0x800000a000040010ULL, 0x000040a000000000ULL, 0x0000000000040000ULL,
185 0x8000400000000010ULL, 0x0000400000040000ULL, 0x0000000000040000ULL, 0x800000a000000010ULL
186 },
187 {
188 0x0401000004080800ULL, 0x0000000004080000ULL, 0x0000000400000000ULL, 0x0401000404080800ULL,
189 0x0401000000000000ULL, 0x0401000004080800ULL, 0x0000000000000800ULL, 0x0401000000000000ULL,
190 0x0000000400000800ULL, 0x0401000400000000ULL, 0x0401000404080800ULL, 0x0000000404080000ULL,
191 0x0401000404080000ULL, 0x0000000404080800ULL, 0x0000000004080000ULL, 0x0000000000000800ULL,
192 0x0401000400000000ULL, 0x0401000000000800ULL, 0x0401000004080000ULL, 0x0000000004080800ULL,
193 0x0000000404080000ULL, 0x0000000400000800ULL, 0x0401000400000800ULL, 0x0401000404080000ULL,
194 0x0000000004080800ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0401000400000800ULL,
195 0x0401000000000800ULL, 0x0401000004080000ULL, 0x0000000404080800ULL, 0x0000000400000000ULL,
196 0x0000000404080800ULL, 0x0000000400000000ULL, 0x0401000404080000ULL, 0x0000000004080000ULL,
197 0x0000000000000800ULL, 0x0401000400000800ULL, 0x0000000004080000ULL, 0x0000000404080800ULL,
198 0x0401000004080000ULL, 0x0000000000000800ULL, 0x0401000000000800ULL, 0x0401000400000000ULL,
199 0x0401000400000800ULL, 0x0401000000000000ULL, 0x0000000400000000ULL, 0x0401000004080800ULL,
200 0x0000000000000000ULL, 0x0401000404080800ULL, 0x0000000400000800ULL, 0x0401000000000800ULL,
201 0x0401000400000000ULL, 0x0401000004080000ULL, 0x0401000004080800ULL, 0x0000000000000000ULL,
202 0x0401000404080800ULL, 0x0000000404080000ULL, 0x0000000404080000ULL, 0x0000000004080800ULL,
203 0x0000000004080800ULL, 0x0000000400000800ULL, 0x0401000000000000ULL, 0x0401000404080000ULL
204 }
205 /* END CSTYLED */
206 };
207 
208 
209 static const uint64_t ip_table[2][256]=
210 {
211 /* BEGIN CSTYLED */
212 {
213 0x0000000000000000ULL, 0x0000000000000400ULL, 0x0080000000000280ULL, 0x0080000000000680ULL,
214 0x0000000000400000ULL, 0x0000000000400400ULL, 0x0080000000400280ULL, 0x0080000000400680ULL,
215 0x0000000000280000ULL, 0x0000000000280400ULL, 0x0080000000280280ULL, 0x0080000000280680ULL,
216 0x0000000000680000ULL, 0x0000000000680400ULL, 0x0080000000680280ULL, 0x0080000000680680ULL,
217 0x0000000400000000ULL, 0x0000000400000400ULL, 0x0080000400000280ULL, 0x0080000400000680ULL,
218 0x0000000400400000ULL, 0x0000000400400400ULL, 0x0080000400400280ULL, 0x0080000400400680ULL,
219 0x0000000400280000ULL, 0x0000000400280400ULL, 0x0080000400280280ULL, 0x0080000400280680ULL,
220 0x0000000400680000ULL, 0x0000000400680400ULL, 0x0080000400680280ULL, 0x0080000400680680ULL,
221 0x0000000280000000ULL, 0x0000000280000400ULL, 0x0080000280000280ULL, 0x0080000280000680ULL,
222 0x0000000280400000ULL, 0x0000000280400400ULL, 0x0080000280400280ULL, 0x0080000280400680ULL,
223 0x0000000280280000ULL, 0x0000000280280400ULL, 0x0080000280280280ULL, 0x0080000280280680ULL,
224 0x0000000280680000ULL, 0x0000000280680400ULL, 0x0080000280680280ULL, 0x0080000280680680ULL,
225 0x0000000680000000ULL, 0x0000000680000400ULL, 0x0080000680000280ULL, 0x0080000680000680ULL,
226 0x0000000680400000ULL, 0x0000000680400400ULL, 0x0080000680400280ULL, 0x0080000680400680ULL,
227 0x0000000680280000ULL, 0x0000000680280400ULL, 0x0080000680280280ULL, 0x0080000680280680ULL,
228 0x0000000680680000ULL, 0x0000000680680400ULL, 0x0080000680680280ULL, 0x0080000680680680ULL,
229 0x0000400000000000ULL, 0x0000400000000400ULL, 0x0080400000000280ULL, 0x0080400000000680ULL,
230 0x0000400000400000ULL, 0x0000400000400400ULL, 0x0080400000400280ULL, 0x0080400000400680ULL,
231 0x0000400000280000ULL, 0x0000400000280400ULL, 0x0080400000280280ULL, 0x0080400000280680ULL,
232 0x0000400000680000ULL, 0x0000400000680400ULL, 0x0080400000680280ULL, 0x0080400000680680ULL,
233 0x0000400400000000ULL, 0x0000400400000400ULL, 0x0080400400000280ULL, 0x0080400400000680ULL,
234 0x0000400400400000ULL, 0x0000400400400400ULL, 0x0080400400400280ULL, 0x0080400400400680ULL,
235 0x0000400400280000ULL, 0x0000400400280400ULL, 0x0080400400280280ULL, 0x0080400400280680ULL,
236 0x0000400400680000ULL, 0x0000400400680400ULL, 0x0080400400680280ULL, 0x0080400400680680ULL,
237 0x0000400280000000ULL, 0x0000400280000400ULL, 0x0080400280000280ULL, 0x0080400280000680ULL,
238 0x0000400280400000ULL, 0x0000400280400400ULL, 0x0080400280400280ULL, 0x0080400280400680ULL,
239 0x0000400280280000ULL, 0x0000400280280400ULL, 0x0080400280280280ULL, 0x0080400280280680ULL,
240 0x0000400280680000ULL, 0x0000400280680400ULL, 0x0080400280680280ULL, 0x0080400280680680ULL,
241 0x0000400680000000ULL, 0x0000400680000400ULL, 0x0080400680000280ULL, 0x0080400680000680ULL,
242 0x0000400680400000ULL, 0x0000400680400400ULL, 0x0080400680400280ULL, 0x0080400680400680ULL,
243 0x0000400680280000ULL, 0x0000400680280400ULL, 0x0080400680280280ULL, 0x0080400680280680ULL,
244 0x0000400680680000ULL, 0x0000400680680400ULL, 0x0080400680680280ULL, 0x0080400680680680ULL,
245 0x0000280000000000ULL, 0x0000280000000400ULL, 0x0080280000000280ULL, 0x0080280000000680ULL,
246 0x0000280000400000ULL, 0x0000280000400400ULL, 0x0080280000400280ULL, 0x0080280000400680ULL,
247 0x0000280000280000ULL, 0x0000280000280400ULL, 0x0080280000280280ULL, 0x0080280000280680ULL,
248 0x0000280000680000ULL, 0x0000280000680400ULL, 0x0080280000680280ULL, 0x0080280000680680ULL,
249 0x0000280400000000ULL, 0x0000280400000400ULL, 0x0080280400000280ULL, 0x0080280400000680ULL,
250 0x0000280400400000ULL, 0x0000280400400400ULL, 0x0080280400400280ULL, 0x0080280400400680ULL,
251 0x0000280400280000ULL, 0x0000280400280400ULL, 0x0080280400280280ULL, 0x0080280400280680ULL,
252 0x0000280400680000ULL, 0x0000280400680400ULL, 0x0080280400680280ULL, 0x0080280400680680ULL,
253 0x0000280280000000ULL, 0x0000280280000400ULL, 0x0080280280000280ULL, 0x0080280280000680ULL,
254 0x0000280280400000ULL, 0x0000280280400400ULL, 0x0080280280400280ULL, 0x0080280280400680ULL,
255 0x0000280280280000ULL, 0x0000280280280400ULL, 0x0080280280280280ULL, 0x0080280280280680ULL,
256 0x0000280280680000ULL, 0x0000280280680400ULL, 0x0080280280680280ULL, 0x0080280280680680ULL,
257 0x0000280680000000ULL, 0x0000280680000400ULL, 0x0080280680000280ULL, 0x0080280680000680ULL,
258 0x0000280680400000ULL, 0x0000280680400400ULL, 0x0080280680400280ULL, 0x0080280680400680ULL,
259 0x0000280680280000ULL, 0x0000280680280400ULL, 0x0080280680280280ULL, 0x0080280680280680ULL,
260 0x0000280680680000ULL, 0x0000280680680400ULL, 0x0080280680680280ULL, 0x0080280680680680ULL,
261 0x0000680000000000ULL, 0x0000680000000400ULL, 0x0080680000000280ULL, 0x0080680000000680ULL,
262 0x0000680000400000ULL, 0x0000680000400400ULL, 0x0080680000400280ULL, 0x0080680000400680ULL,
263 0x0000680000280000ULL, 0x0000680000280400ULL, 0x0080680000280280ULL, 0x0080680000280680ULL,
264 0x0000680000680000ULL, 0x0000680000680400ULL, 0x0080680000680280ULL, 0x0080680000680680ULL,
265 0x0000680400000000ULL, 0x0000680400000400ULL, 0x0080680400000280ULL, 0x0080680400000680ULL,
266 0x0000680400400000ULL, 0x0000680400400400ULL, 0x0080680400400280ULL, 0x0080680400400680ULL,
267 0x0000680400280000ULL, 0x0000680400280400ULL, 0x0080680400280280ULL, 0x0080680400280680ULL,
268 0x0000680400680000ULL, 0x0000680400680400ULL, 0x0080680400680280ULL, 0x0080680400680680ULL,
269 0x0000680280000000ULL, 0x0000680280000400ULL, 0x0080680280000280ULL, 0x0080680280000680ULL,
270 0x0000680280400000ULL, 0x0000680280400400ULL, 0x0080680280400280ULL, 0x0080680280400680ULL,
271 0x0000680280280000ULL, 0x0000680280280400ULL, 0x0080680280280280ULL, 0x0080680280280680ULL,
272 0x0000680280680000ULL, 0x0000680280680400ULL, 0x0080680280680280ULL, 0x0080680280680680ULL,
273 0x0000680680000000ULL, 0x0000680680000400ULL, 0x0080680680000280ULL, 0x0080680680000680ULL,
274 0x0000680680400000ULL, 0x0000680680400400ULL, 0x0080680680400280ULL, 0x0080680680400680ULL,
275 0x0000680680280000ULL, 0x0000680680280400ULL, 0x0080680680280280ULL, 0x0080680680280680ULL,
276 0x0000680680680000ULL, 0x0000680680680400ULL, 0x0080680680680280ULL, 0x0080680680680680ULL
277 },
278 {
279 0x0000000000000000ULL, 0x0000000000005000ULL, 0x0000000000000800ULL, 0x0000000000005800ULL,
280 0x0000000005000000ULL, 0x0000000005005000ULL, 0x0000000005000800ULL, 0x0000000005005800ULL,
281 0x0000000000800000ULL, 0x0000000000805000ULL, 0x0000000000800800ULL, 0x0000000000805800ULL,
282 0x0000000005800000ULL, 0x0000000005805000ULL, 0x0000000005800800ULL, 0x0000000005805800ULL,
283 0x0000005000000000ULL, 0x0000005000005000ULL, 0x0000005000000800ULL, 0x0000005000005800ULL,
284 0x0000005005000000ULL, 0x0000005005005000ULL, 0x0000005005000800ULL, 0x0000005005005800ULL,
285 0x0000005000800000ULL, 0x0000005000805000ULL, 0x0000005000800800ULL, 0x0000005000805800ULL,
286 0x0000005005800000ULL, 0x0000005005805000ULL, 0x0000005005800800ULL, 0x0000005005805800ULL,
287 0x0000000800000000ULL, 0x0000000800005000ULL, 0x0000000800000800ULL, 0x0000000800005800ULL,
288 0x0000000805000000ULL, 0x0000000805005000ULL, 0x0000000805000800ULL, 0x0000000805005800ULL,
289 0x0000000800800000ULL, 0x0000000800805000ULL, 0x0000000800800800ULL, 0x0000000800805800ULL,
290 0x0000000805800000ULL, 0x0000000805805000ULL, 0x0000000805800800ULL, 0x0000000805805800ULL,
291 0x0000005800000000ULL, 0x0000005800005000ULL, 0x0000005800000800ULL, 0x0000005800005800ULL,
292 0x0000005805000000ULL, 0x0000005805005000ULL, 0x0000005805000800ULL, 0x0000005805005800ULL,
293 0x0000005800800000ULL, 0x0000005800805000ULL, 0x0000005800800800ULL, 0x0000005800805800ULL,
294 0x0000005805800000ULL, 0x0000005805805000ULL, 0x0000005805800800ULL, 0x0000005805805800ULL,
295 0x0005000000000004ULL, 0x0005000000005004ULL, 0x0005000000000804ULL, 0x0005000000005804ULL,
296 0x0005000005000004ULL, 0x0005000005005004ULL, 0x0005000005000804ULL, 0x0005000005005804ULL,
297 0x0005000000800004ULL, 0x0005000000805004ULL, 0x0005000000800804ULL, 0x0005000000805804ULL,
298 0x0005000005800004ULL, 0x0005000005805004ULL, 0x0005000005800804ULL, 0x0005000005805804ULL,
299 0x0005005000000004ULL, 0x0005005000005004ULL, 0x0005005000000804ULL, 0x0005005000005804ULL,
300 0x0005005005000004ULL, 0x0005005005005004ULL, 0x0005005005000804ULL, 0x0005005005005804ULL,
301 0x0005005000800004ULL, 0x0005005000805004ULL, 0x0005005000800804ULL, 0x0005005000805804ULL,
302 0x0005005005800004ULL, 0x0005005005805004ULL, 0x0005005005800804ULL, 0x0005005005805804ULL,
303 0x0005000800000004ULL, 0x0005000800005004ULL, 0x0005000800000804ULL, 0x0005000800005804ULL,
304 0x0005000805000004ULL, 0x0005000805005004ULL, 0x0005000805000804ULL, 0x0005000805005804ULL,
305 0x0005000800800004ULL, 0x0005000800805004ULL, 0x0005000800800804ULL, 0x0005000800805804ULL,
306 0x0005000805800004ULL, 0x0005000805805004ULL, 0x0005000805800804ULL, 0x0005000805805804ULL,
307 0x0005005800000004ULL, 0x0005005800005004ULL, 0x0005005800000804ULL, 0x0005005800005804ULL,
308 0x0005005805000004ULL, 0x0005005805005004ULL, 0x0005005805000804ULL, 0x0005005805005804ULL,
309 0x0005005800800004ULL, 0x0005005800805004ULL, 0x0005005800800804ULL, 0x0005005800805804ULL,
310 0x0005005805800004ULL, 0x0005005805805004ULL, 0x0005005805800804ULL, 0x0005005805805804ULL,
311 0x0000800000000000ULL, 0x0000800000005000ULL, 0x0000800000000800ULL, 0x0000800000005800ULL,
312 0x0000800005000000ULL, 0x0000800005005000ULL, 0x0000800005000800ULL, 0x0000800005005800ULL,
313 0x0000800000800000ULL, 0x0000800000805000ULL, 0x0000800000800800ULL, 0x0000800000805800ULL,
314 0x0000800005800000ULL, 0x0000800005805000ULL, 0x0000800005800800ULL, 0x0000800005805800ULL,
315 0x0000805000000000ULL, 0x0000805000005000ULL, 0x0000805000000800ULL, 0x0000805000005800ULL,
316 0x0000805005000000ULL, 0x0000805005005000ULL, 0x0000805005000800ULL, 0x0000805005005800ULL,
317 0x0000805000800000ULL, 0x0000805000805000ULL, 0x0000805000800800ULL, 0x0000805000805800ULL,
318 0x0000805005800000ULL, 0x0000805005805000ULL, 0x0000805005800800ULL, 0x0000805005805800ULL,
319 0x0000800800000000ULL, 0x0000800800005000ULL, 0x0000800800000800ULL, 0x0000800800005800ULL,
320 0x0000800805000000ULL, 0x0000800805005000ULL, 0x0000800805000800ULL, 0x0000800805005800ULL,
321 0x0000800800800000ULL, 0x0000800800805000ULL, 0x0000800800800800ULL, 0x0000800800805800ULL,
322 0x0000800805800000ULL, 0x0000800805805000ULL, 0x0000800805800800ULL, 0x0000800805805800ULL,
323 0x0000805800000000ULL, 0x0000805800005000ULL, 0x0000805800000800ULL, 0x0000805800005800ULL,
324 0x0000805805000000ULL, 0x0000805805005000ULL, 0x0000805805000800ULL, 0x0000805805005800ULL,
325 0x0000805800800000ULL, 0x0000805800805000ULL, 0x0000805800800800ULL, 0x0000805800805800ULL,
326 0x0000805805800000ULL, 0x0000805805805000ULL, 0x0000805805800800ULL, 0x0000805805805800ULL,
327 0x0005800000000004ULL, 0x0005800000005004ULL, 0x0005800000000804ULL, 0x0005800000005804ULL,
328 0x0005800005000004ULL, 0x0005800005005004ULL, 0x0005800005000804ULL, 0x0005800005005804ULL,
329 0x0005800000800004ULL, 0x0005800000805004ULL, 0x0005800000800804ULL, 0x0005800000805804ULL,
330 0x0005800005800004ULL, 0x0005800005805004ULL, 0x0005800005800804ULL, 0x0005800005805804ULL,
331 0x0005805000000004ULL, 0x0005805000005004ULL, 0x0005805000000804ULL, 0x0005805000005804ULL,
332 0x0005805005000004ULL, 0x0005805005005004ULL, 0x0005805005000804ULL, 0x0005805005005804ULL,
333 0x0005805000800004ULL, 0x0005805000805004ULL, 0x0005805000800804ULL, 0x0005805000805804ULL,
334 0x0005805005800004ULL, 0x0005805005805004ULL, 0x0005805005800804ULL, 0x0005805005805804ULL,
335 0x0005800800000004ULL, 0x0005800800005004ULL, 0x0005800800000804ULL, 0x0005800800005804ULL,
336 0x0005800805000004ULL, 0x0005800805005004ULL, 0x0005800805000804ULL, 0x0005800805005804ULL,
337 0x0005800800800004ULL, 0x0005800800805004ULL, 0x0005800800800804ULL, 0x0005800800805804ULL,
338 0x0005800805800004ULL, 0x0005800805805004ULL, 0x0005800805800804ULL, 0x0005800805805804ULL,
339 0x0005805800000004ULL, 0x0005805800005004ULL, 0x0005805800000804ULL, 0x0005805800005804ULL,
340 0x0005805805000004ULL, 0x0005805805005004ULL, 0x0005805805000804ULL, 0x0005805805005804ULL,
341 0x0005805800800004ULL, 0x0005805800805004ULL, 0x0005805800800804ULL, 0x0005805800805804ULL,
342 0x0005805805800004ULL, 0x0005805805805004ULL, 0x0005805805800804ULL, 0x0005805805805804ULL
343 }
344 /* END CSTYLED */
345 };
346 
347 static const uint32_t fp_table[256]=
348 {
349 0x00000000, 0x80000000, 0x00800000, 0x80800000,
350 0x00008000, 0x80008000, 0x00808000, 0x80808000,
351 0x00000080, 0x80000080, 0x00800080, 0x80800080,
352 0x00008080, 0x80008080, 0x00808080, 0x80808080,
353 0x40000000, 0xc0000000, 0x40800000, 0xc0800000,
354 0x40008000, 0xc0008000, 0x40808000, 0xc0808000,
355 0x40000080, 0xc0000080, 0x40800080, 0xc0800080,
356 0x40008080, 0xc0008080, 0x40808080, 0xc0808080,
357 0x00400000, 0x80400000, 0x00c00000, 0x80c00000,
358 0x00408000, 0x80408000, 0x00c08000, 0x80c08000,
359 0x00400080, 0x80400080, 0x00c00080, 0x80c00080,
360 0x00408080, 0x80408080, 0x00c08080, 0x80c08080,
361 0x40400000, 0xc0400000, 0x40c00000, 0xc0c00000,
362 0x40408000, 0xc0408000, 0x40c08000, 0xc0c08000,
363 0x40400080, 0xc0400080, 0x40c00080, 0xc0c00080,
364 0x40408080, 0xc0408080, 0x40c08080, 0xc0c08080,
365 0x00004000, 0x80004000, 0x00804000, 0x80804000,
366 0x0000c000, 0x8000c000, 0x0080c000, 0x8080c000,
367 0x00004080, 0x80004080, 0x00804080, 0x80804080,
368 0x0000c080, 0x8000c080, 0x0080c080, 0x8080c080,
369 0x40004000, 0xc0004000, 0x40804000, 0xc0804000,
370 0x4000c000, 0xc000c000, 0x4080c000, 0xc080c000,
371 0x40004080, 0xc0004080, 0x40804080, 0xc0804080,
372 0x4000c080, 0xc000c080, 0x4080c080, 0xc080c080,
373 0x00404000, 0x80404000, 0x00c04000, 0x80c04000,
374 0x0040c000, 0x8040c000, 0x00c0c000, 0x80c0c000,
375 0x00404080, 0x80404080, 0x00c04080, 0x80c04080,
376 0x0040c080, 0x8040c080, 0x00c0c080, 0x80c0c080,
377 0x40404000, 0xc0404000, 0x40c04000, 0xc0c04000,
378 0x4040c000, 0xc040c000, 0x40c0c000, 0xc0c0c000,
379 0x40404080, 0xc0404080, 0x40c04080, 0xc0c04080,
380 0x4040c080, 0xc040c080, 0x40c0c080, 0xc0c0c080,
381 0x00000040, 0x80000040, 0x00800040, 0x80800040,
382 0x00008040, 0x80008040, 0x00808040, 0x80808040,
383 0x000000c0, 0x800000c0, 0x008000c0, 0x808000c0,
384 0x000080c0, 0x800080c0, 0x008080c0, 0x808080c0,
385 0x40000040, 0xc0000040, 0x40800040, 0xc0800040,
386 0x40008040, 0xc0008040, 0x40808040, 0xc0808040,
387 0x400000c0, 0xc00000c0, 0x408000c0, 0xc08000c0,
388 0x400080c0, 0xc00080c0, 0x408080c0, 0xc08080c0,
389 0x00400040, 0x80400040, 0x00c00040, 0x80c00040,
390 0x00408040, 0x80408040, 0x00c08040, 0x80c08040,
391 0x004000c0, 0x804000c0, 0x00c000c0, 0x80c000c0,
392 0x004080c0, 0x804080c0, 0x00c080c0, 0x80c080c0,
393 0x40400040, 0xc0400040, 0x40c00040, 0xc0c00040,
394 0x40408040, 0xc0408040, 0x40c08040, 0xc0c08040,
395 0x404000c0, 0xc04000c0, 0x40c000c0, 0xc0c000c0,
396 0x404080c0, 0xc04080c0, 0x40c080c0, 0xc0c080c0,
397 0x00004040, 0x80004040, 0x00804040, 0x80804040,
398 0x0000c040, 0x8000c040, 0x0080c040, 0x8080c040,
399 0x000040c0, 0x800040c0, 0x008040c0, 0x808040c0,
400 0x0000c0c0, 0x8000c0c0, 0x0080c0c0, 0x8080c0c0,
401 0x40004040, 0xc0004040, 0x40804040, 0xc0804040,
402 0x4000c040, 0xc000c040, 0x4080c040, 0xc080c040,
403 0x400040c0, 0xc00040c0, 0x408040c0, 0xc08040c0,
404 0x4000c0c0, 0xc000c0c0, 0x4080c0c0, 0xc080c0c0,
405 0x00404040, 0x80404040, 0x00c04040, 0x80c04040,
406 0x0040c040, 0x8040c040, 0x00c0c040, 0x80c0c040,
407 0x004040c0, 0x804040c0, 0x00c040c0, 0x80c040c0,
408 0x0040c0c0, 0x8040c0c0, 0x00c0c0c0, 0x80c0c0c0,
409 0x40404040, 0xc0404040, 0x40c04040, 0xc0c04040,
410 0x4040c040, 0xc040c040, 0x40c0c040, 0xc0c0c040,
411 0x404040c0, 0xc04040c0, 0x40c040c0, 0xc0c040c0,
412 0x4040c0c0, 0xc040c0c0, 0x40c0c0c0, 0xc0c0c0c0
413 };
414 
415 static const uint64_t all_a = 0xaaaaaaaaaaaaaaaaULL;
416 static const uint64_t all_5 = 0x5555555555555555ULL;
417 static const uint64_t top_1 = 0xfc000000000000ULL;
418 static const uint64_t mid_4 = 0x3fffffc000000ULL;
419 static const uint64_t low_3 = 0x3ffff00ULL;
420 
421 
422 static void
423 des_ip(uint64_t *l, uint64_t *r, uint64_t pt)
424 {
425 	uint64_t a, b;
426 
427 	a = pt & all_a;
428 	b = pt & all_5;
429 	a = a | (a << 7);
430 	b = b | (b >> 7);
431 
432 	b = (ip_table[0][(b >> 48) & 255ULL]) |
433 		(ip_table[1][(b >> 32) & 255ULL]) |
434 		(ip_table[0][(b >> 16) & 255ULL] << 6) |
435 		(ip_table[1][b & 255ULL] << 6);
436 
437 	a = (ip_table[0][(a >> 56) & 255]) |
438 		(ip_table[1][(a >> 40) & 255]) |
439 		(ip_table[0][(a >> 24) & 255] << 6) |
440 		(ip_table[1][(a >> 8) & 255] << 6);
441 
442 	*l = ((b & top_1) << 8) |
443 		(b & mid_4) |
444 		((b & low_3) >> 5);
445 
446 	*r = ((a & top_1) << 8) |
447 		(a & mid_4) |
448 		((a & low_3) >> 5);
449 }
450 
451 
452 static uint64_t
453 des_fp(uint64_t l, uint64_t r)
454 {
455 	uint32_t upper, lower;
456 
457 	lower = fp_table[((l >> 55) & 240) | ((r >> 59) & 15)] |
458 		(fp_table[((l >> 35) & 240) | ((r>>39) & 15)] >> 2) |
459 		(fp_table[((l >> 23) & 240) | ((r >> 27) & 15)] >> 4) |
460 		(fp_table[((l >> 6) & 240) | ((r >> 10) & 15)] >> 6);
461 
462 	upper = fp_table[((l >> 41) & 240) | ((r >> 45) & 15)] |
463 		(fp_table[((l >> 29) & 240) | ((r >> 33) & 15)] >> 2) |
464 		(fp_table[((l >> 12) & 240) | ((r >> 16) & 15)] >> 4) |
465 		(fp_table[(l & 240) | (r >> 4) & 15] >> 6);
466 
467 	return ((((uint64_t)upper) << 32) | (uint64_t)lower);
468 
469 }
470 
471 uint64_t
472 des_crypt_impl(uint64_t *ks, uint64_t block, int one_or_three)
473 {
474 	int i, j;
475 	uint64_t l, r, t;
476 
477 	des_ip(&l, &r, block);
478 	for (j = 0; j < one_or_three; j++) {
479 		for (i = j * 16; i < (j + 1) * 16; i++) {
480 			t = r ^ ks[i];
481 			t = sbox_table[0][t >> 58] |
482 				sbox_table[1][(t >> 44) & 63] |
483 				sbox_table[2][(t >> 38) & 63] |
484 				sbox_table[3][(t >> 32) & 63] |
485 				sbox_table[4][(t >> 26) & 63] |
486 				sbox_table[5][(t >> 15) & 63] |
487 				sbox_table[6][(t >> 9) & 63] |
488 				sbox_table[7][(t >> 3) & 63];
489 			t = t^l;
490 			l = r;
491 			r = t;
492 		}
493 		r = l;
494 		l = t;
495 	}
496 
497 	return (des_fp(l, r));
498 }
499 #endif /* !sun4u */
500 
501 /* EXPORT DELETE END */
502 
503 void
504 des3_crunch_block(void *cookie, uint8_t block[DES_BLOCK_LEN],
505     uint8_t out_block[DES_BLOCK_LEN], boolean_t decrypt)
506 {
507 /* EXPORT DELETE START */
508 	keysched3_t *ksch = (keysched3_t *)cookie;
509 
510 	/*
511 	 * The code below, that is always executed on LITTLE_ENDIAN machines,
512 	 * reverses bytes in the block.  On BIG_ENDIAN, the same code
513 	 * copies the block without reversing bytes.
514 	 */
515 #ifdef _BIG_ENDIAN
516 	if (IS_P2ALIGNED(block, sizeof (uint64_t)) &&
517 	    IS_P2ALIGNED(out_block, sizeof (uint64_t))) {
518 		if (decrypt == B_TRUE)
519 			/* LINTED */
520 			*(uint64_t *)out_block = des_crypt_impl(
521 			    ksch->ksch_decrypt,
522 			    /* LINTED */
523 			    *(uint64_t *)block, 3);
524 		else
525 			/* LINTED */
526 			*(uint64_t *)out_block = des_crypt_impl(
527 			    ksch->ksch_encrypt,
528 			    /* LINTED */
529 			    *(uint64_t *)block, 3);
530 	} else {
531 #endif
532 		uint64_t tmp;
533 
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 
539 		if (decrypt == B_TRUE)
540 			tmp = des_crypt_impl(ksch->ksch_decrypt, tmp, 3);
541 		else
542 			tmp = des_crypt_impl(ksch->ksch_encrypt, tmp, 3);
543 
544 		out_block[0] = tmp >> 56;
545 		out_block[1] = tmp >> 48;
546 		out_block[2] = tmp >> 40;
547 		out_block[3] = tmp >> 32;
548 		out_block[4] = tmp >> 24;
549 		out_block[5] = tmp >> 16;
550 		out_block[6] = tmp >> 8;
551 		out_block[7] = (uint8_t)tmp;
552 #ifdef _BIG_ENDIAN
553 	}
554 #endif
555 /* EXPORT DELETE END */
556 }
557 
558 void
559 des_crunch_block(void *cookie, uint8_t block[DES_BLOCK_LEN],
560     uint8_t out_block[DES_BLOCK_LEN], boolean_t decrypt)
561 {
562 /* EXPORT DELETE START */
563 	keysched_t *ksch = (keysched_t *)cookie;
564 
565 	/*
566 	 * The code below, that is always executed on LITTLE_ENDIAN machines,
567 	 * reverses bytes in the block.  On BIG_ENDIAN, the same code
568 	 * copies the block without reversing bytes.
569 	 */
570 #ifdef _BIG_ENDIAN
571 	if (IS_P2ALIGNED(block, sizeof (uint64_t)) &&
572 	    IS_P2ALIGNED(out_block, sizeof (uint64_t))) {
573 		if (decrypt == B_TRUE)
574 			/* LINTED */
575 			*(uint64_t *)out_block = des_crypt_impl(
576 			    ksch->ksch_decrypt,
577 			    /* LINTED */
578 			    *(uint64_t *)block, 1);
579 		else
580 			/* LINTED */
581 			*(uint64_t *)out_block = des_crypt_impl(
582 			    ksch->ksch_encrypt,
583 			    /* LINTED */
584 			    *(uint64_t *)block, 1);
585 
586 	} else {
587 #endif
588 		uint64_t tmp;
589 
590 		tmp = (((uint64_t)block[0] << 56) | ((uint64_t)block[1] << 48) |
591 		    ((uint64_t)block[2] << 40) | ((uint64_t)block[3] << 32) |
592 		    ((uint64_t)block[4] << 24) | ((uint64_t)block[5] << 16) |
593 		    ((uint64_t)block[6] << 8) | (uint64_t)block[7]);
594 
595 		if (decrypt == B_TRUE)
596 			tmp = des_crypt_impl(ksch->ksch_decrypt, tmp, 1);
597 		else
598 			tmp = des_crypt_impl(ksch->ksch_encrypt, tmp, 1);
599 
600 		out_block[0] = tmp >> 56;
601 		out_block[1] = tmp >> 48;
602 		out_block[2] = tmp >> 40;
603 		out_block[3] = tmp >> 32;
604 		out_block[4] = tmp >> 24;
605 		out_block[5] = tmp >> 16;
606 		out_block[6] = tmp >> 8;
607 		out_block[7] = (uint8_t)tmp;
608 #ifdef _BIG_ENDIAN
609 	}
610 #endif
611 /* EXPORT DELETE END */
612 }
613 
614 static boolean_t
615 keycheck(uint8_t *key, uint8_t *corrected_key)
616 {
617 /* EXPORT DELETE START */
618 	uint64_t key_so_far;
619 	uint_t i;
620 	/*
621 	 * Table of weak and semi-weak keys.  Fortunately, weak keys are
622 	 * endian-independent, and some semi-weak keys can be paired up in
623 	 * endian-opposite order.  Since keys are stored as uint64_t's,
624 	 * use the ifdef _LITTLE_ENDIAN where appropriate.
625 	 */
626 	static uint64_t des_weak_keys[] = {
627 		/* Really weak keys.  Byte-order independent values. */
628 		0x0101010101010101ULL,
629 		0x1f1f1f1f0e0e0e0eULL,
630 		0xe0e0e0e0f1f1f1f1ULL,
631 		0xfefefefefefefefeULL,
632 
633 		/* Semi-weak (and a few possibly-weak) keys. */
634 
635 		/* Byte-order independent semi-weak keys. */
636 		0x01fe01fe01fe01feULL,	0xfe01fe01fe01fe01ULL,
637 
638 		/* Byte-order dependent semi-weak keys. */
639 #ifdef _LITTLE_ENDIAN
640 		0xf10ef10ee01fe01fULL,	0x0ef10ef11fe01fe0ULL,
641 		0x01f101f101e001e0ULL,	0xf101f101e001e001ULL,
642 		0x0efe0efe1ffe1ffeULL,	0xfe0efe0efe1ffe1fULL,
643 		0x010e010e011f011fULL,	0x0e010e011f011f01ULL,
644 		0xf1fef1fee0fee0feULL,	0xfef1fef1fee0fee0ULL,
645 #else	/* Big endian */
646 		0x1fe01fe00ef10ef1ULL,	0xe01fe01ff10ef10eULL,
647 		0x01e001e001f101f1ULL,	0xe001e001f101f101ULL,
648 		0x1ffe1ffe0efe0efeULL,	0xfe1ffe1ffe0efe0eULL,
649 		0x011f011f010e010eULL,	0x1f011f010e010e01ULL,
650 		0xe0fee0fef1fef1feULL,	0xfee0fee0fef1fef1ULL,
651 #endif
652 
653 		/* We'll save the other possibly-weak keys for the future. */
654 	};
655 
656 	if (key == NULL)
657 		return (B_FALSE);
658 
659 	/*
660 	 * The code below reverses the bytes on LITTLE_ENDIAN machines.
661 	 * On BIG_ENDIAN, the same code copies without reversing
662 	 * the bytes.
663 	 */
664 	key_so_far = (((uint64_t)key[0] << 56) | ((uint64_t)key[1] << 48) |
665 	    ((uint64_t)key[2] << 40) | ((uint64_t)key[3] << 32) |
666 	    ((uint64_t)key[4] << 24) | ((uint64_t)key[5] << 16) |
667 	    ((uint64_t)key[6] << 8) | (uint64_t)key[7]);
668 
669 	/*
670 	 * Fix parity.
671 	 */
672 	fix_des_parity(&key_so_far);
673 	key_so_far ^= 0x0101010101010101ULL;
674 
675 	/* Do weak key check itself. */
676 	for (i = 0; i < (sizeof (des_weak_keys) / sizeof (uint64_t)); i++)
677 		if (key_so_far == des_weak_keys[i]) {
678 			return (B_FALSE);
679 		}
680 
681 	if (corrected_key != NULL) {
682 		/*
683 		 * The code below reverses the bytes on LITTLE_ENDIAN machines.
684 		 * On BIG_ENDIAN, the same code copies without reversing
685 		 * the bytes.
686 		 */
687 		corrected_key[0] = key_so_far >> 56;
688 		corrected_key[1] = key_so_far >> 48;
689 		corrected_key[2] = key_so_far >> 40;
690 		corrected_key[3] = key_so_far >> 32;
691 		corrected_key[4] = key_so_far >> 24;
692 		corrected_key[5] = key_so_far >> 16;
693 		corrected_key[6] = key_so_far >> 8;
694 		corrected_key[7] = (uint8_t)key_so_far;
695 	}
696 /* EXPORT DELETE END */
697 	return (B_TRUE);
698 }
699 
700 static boolean_t
701 des3_keycheck(uint8_t *key, uint8_t *corrected_key)
702 {
703 /* EXPORT DELETE START */
704 	uint64_t aligned_key[DES3_KEYSIZE / sizeof (uint64_t)];
705 	uint64_t key_so_far, scratch, *currentkey;
706 	uint_t j, num_weakkeys = 0;
707 
708 	if (key == NULL) {
709 		return (B_FALSE);
710 	}
711 
712 	if (!IS_P2ALIGNED(key, sizeof (uint64_t))) {
713 		bcopy(key, aligned_key, DES3_KEYSIZE);
714 		currentkey = (uint64_t *)aligned_key;
715 	} else {
716 		/* LINTED */
717 		currentkey = (uint64_t *)key;
718 	}
719 
720 	for (j = 0; j < 3; j++) {
721 		key_so_far = currentkey[j];
722 
723 		if (!keycheck((uint8_t *)&key_so_far, (uint8_t *)&scratch)) {
724 			if (++num_weakkeys > 1) {
725 				return (B_FALSE);
726 			}
727 			/*
728 			 * We found a weak key, but since
729 			 * we've only found one weak key,
730 			 * we can not reject the whole 3DES
731 			 * set of keys as weak.
732 			 *
733 			 * Break from the weak key loop
734 			 * (since this DES key is weak) and
735 			 * continue on.
736 			 */
737 		}
738 
739 		currentkey[j] = scratch;
740 	}
741 
742 	/*
743 	 * Perform key equivalence checks, now that parity is properly set.
744 	 * All three keys must be unique.
745 	 */
746 	if (currentkey[0] == currentkey[1] || currentkey[1] == currentkey[2] ||
747 	    currentkey[2] == currentkey[0])
748 		return (B_FALSE);
749 
750 	if (corrected_key != NULL) {
751 		bcopy(currentkey, corrected_key, DES3_KEYSIZE);
752 	}
753 /* EXPORT DELETE END */
754 	return (B_TRUE);
755 }
756 
757 boolean_t
758 des_keycheck(uint8_t *key, des_strength_t strength, uint8_t *corrected_key)
759 {
760 	if (strength == DES) {
761 		return (keycheck(key, corrected_key));
762 	} else if (strength == DES3) {
763 		return (des3_keycheck(key, corrected_key));
764 	} else {
765 		return (B_FALSE);
766 	}
767 }
768 
769 /*
770  * Initialize key schedule for DES, DES2, and DES3
771  */
772 void
773 des_init_keysched(uint8_t *cipherKey, des_strength_t strength, void *ks)
774 {
775 /* EXPORT DELETE START */
776 	uint64_t *encryption_ks;
777 	uint64_t *decryption_ks;
778 	uint64_t keysched[48];
779 	uint64_t key_uint64[3];
780 	uint64_t tmp;
781 	uint_t keysize, i, j;
782 
783 	switch (strength) {
784 	case DES:
785 		keysize = DES_KEYSIZE;
786 		encryption_ks = ((keysched_t *)ks)->ksch_encrypt;
787 		decryption_ks = ((keysched_t *)ks)->ksch_decrypt;
788 		break;
789 	case DES2:
790 		keysize = DES2_KEYSIZE;
791 		encryption_ks = ((keysched3_t *)ks)->ksch_encrypt;
792 		decryption_ks = ((keysched3_t *)ks)->ksch_decrypt;
793 		break;
794 	case DES3:
795 		keysize = DES3_KEYSIZE;
796 		encryption_ks = ((keysched3_t *)ks)->ksch_encrypt;
797 		decryption_ks = ((keysched3_t *)ks)->ksch_decrypt;
798 	}
799 
800 	/*
801 	 * The code below, that is always executed on LITTLE_ENDIAN machines,
802 	 * reverses every 8 bytes in the key.  On BIG_ENDIAN, the same code
803 	 * copies the key without reversing bytes.
804 	 */
805 #ifdef _BIG_ENDIAN
806 	if (IS_P2ALIGNED(cipherKey, sizeof (uint64_t))) {
807 		for (i = 0, j = 0; j < keysize; i++, j += 8) {
808 			/* LINTED: pointer alignment */
809 			key_uint64[i] = *((uint64_t *)&cipherKey[j]);
810 		}
811 	} else {
812 #endif
813 	{
814 		for (i = 0, j = 0; j < keysize; i++, j += 8) {
815 			key_uint64[i] = (((uint64_t)cipherKey[j] << 56) |
816 			    ((uint64_t)cipherKey[j + 1] << 48) |
817 			    ((uint64_t)cipherKey[j + 2] << 40) |
818 			    ((uint64_t)cipherKey[j + 3] << 32) |
819 			    ((uint64_t)cipherKey[j + 4] << 24) |
820 			    ((uint64_t)cipherKey[j + 5] << 16) |
821 			    ((uint64_t)cipherKey[j + 6] << 8) |
822 			    (uint64_t)cipherKey[j + 7]);
823 		}
824 	}
825 #ifdef _BIG_ENDIAN
826 	}
827 #endif
828 
829 	switch (strength) {
830 	case DES:
831 		des_ks(keysched, key_uint64[0]);
832 		break;
833 
834 	case DES2:
835 		/* DES2 is just DES3 with the first and third keys the same */
836 		bcopy(key_uint64, key_uint64 + 2, DES_KEYSIZE);
837 		/* FALLTHRU */
838 	case DES3:
839 		des_ks(keysched, key_uint64[0]);
840 		des_ks(keysched + 16, key_uint64[1]);
841 		for (i = 0; i < 8; i++) {
842 			tmp = keysched[16+i];
843 			keysched[16+i] = keysched[31-i];
844 			keysched[31-i] = tmp;
845 		}
846 		des_ks(keysched+32, key_uint64[2]);
847 		keysize = DES3_KEYSIZE;
848 	}
849 
850 	/* save the encryption keyschedule */
851 	bcopy(keysched, encryption_ks, keysize * 16);
852 
853 	/* reverse the key schedule */
854 	for (i = 0; i < keysize; i++) {
855 		tmp = keysched[i];
856 		keysched[i] = keysched[2 * keysize - 1 - i];
857 		keysched[2 * keysize -1 -i] = tmp;
858 	}
859 
860 	/* save the decryption keyschedule */
861 	bcopy(keysched, decryption_ks, keysize * 16);
862 /* EXPORT DELETE END */
863 }
864 
865 /*
866  * Allocate key schedule.
867  */
868 /*ARGSUSED*/
869 void *
870 des_alloc_keysched(size_t *keysched_size, des_strength_t strength, int kmflag)
871 {
872 	void *keysched;
873 
874 /* EXPORT DELETE START */
875 
876 	size_t size;
877 
878 	switch (strength) {
879 	case DES:
880 		size = sizeof (keysched_t);
881 		break;
882 	case DES2:
883 	case DES3:
884 		size = sizeof (keysched3_t);
885 	}
886 
887 #ifdef	_KERNEL
888 	keysched = (keysched_t *)kmem_alloc(size, kmflag);
889 #else	/* !_KERNEL */
890 	keysched = (keysched_t *)malloc(size);
891 #endif	/* _KERNEL */
892 
893 	if (keysched == NULL)
894 		return (NULL);
895 
896 	if (keysched_size != NULL)
897 		*keysched_size = size;
898 
899 /* EXPORT DELETE END */
900 
901 	return (keysched);
902 }
903 
904 /*
905  * Replace the LSB of each byte by the xor of the other
906  * 7 bits.  The tricky thing is that the original contents of the LSBs
907  * are nullifed by including them twice in the xor computation.
908  */
909 static void
910 fix_des_parity(uint64_t *keyp)
911 {
912 /* EXPORT DELETE START */
913 	uint64_t k = *keyp;
914 	k ^= k >> 1;
915 	k ^= k >> 2;
916 	k ^= k >> 4;
917 	*keyp ^= (k & 0x0101010101010101ULL);
918 /* EXPORT DELETE END */
919 }
920