xref: /illumos-gate/usr/src/common/crypto/des/des_impl.c (revision 46b592853d0f4f11781b6b0a7533f267c6aee132) 
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 /* EXPORT DELETE START */
46 
47 typedef struct keysched_s {
48 	uint64_t ksch_encrypt[16];
49 	uint64_t ksch_decrypt[16];
50 } keysched_t;
51 
52 typedef struct keysched3_s {
53 	uint64_t ksch_encrypt[48];
54 	uint64_t ksch_decrypt[48];
55 } keysched3_t;
56 
57 static void fix_des_parity(uint64_t *);
58 
59 #ifndef sun4u
60 
61 static const uint64_t sbox_table[8][64]=
62 {
63 /* BEGIN CSTYLED */
64 {
65 0x0000140140020000ULL, 0x0000000000000000ULL, 0x0000000140000000ULL, 0x0000140140020020ULL,
66 0x0000140140000020ULL, 0x0000000140020020ULL, 0x0000000000000020ULL, 0x0000000140000000ULL,
67 0x0000000000020000ULL, 0x0000140140020000ULL, 0x0000140140020020ULL, 0x0000000000020000ULL,
68 0x0000140000020020ULL, 0x0000140140000020ULL, 0x0000140000000000ULL, 0x0000000000000020ULL,
69 0x0000000000020020ULL, 0x0000140000020000ULL, 0x0000140000020000ULL, 0x0000000140020000ULL,
70 0x0000000140020000ULL, 0x0000140140000000ULL, 0x0000140140000000ULL, 0x0000140000020020ULL,
71 0x0000000140000020ULL, 0x0000140000000020ULL, 0x0000140000000020ULL, 0x0000000140000020ULL,
72 0x0000000000000000ULL, 0x0000000000020020ULL, 0x0000000140020020ULL, 0x0000140000000000ULL,
73 0x0000000140000000ULL, 0x0000140140020020ULL, 0x0000000000000020ULL, 0x0000140140000000ULL,
74 0x0000140140020000ULL, 0x0000140000000000ULL, 0x0000140000000000ULL, 0x0000000000020000ULL,
75 0x0000140140000020ULL, 0x0000000140000000ULL, 0x0000000140020000ULL, 0x0000140000000020ULL,
76 0x0000000000020000ULL, 0x0000000000000020ULL, 0x0000140000020020ULL, 0x0000000140020020ULL,
77 0x0000140140020020ULL, 0x0000000140000020ULL, 0x0000140140000000ULL, 0x0000140000020020ULL,
78 0x0000140000000020ULL, 0x0000000000020020ULL, 0x0000000140020020ULL, 0x0000140140020000ULL,
79 0x0000000000020020ULL, 0x0000140000020000ULL, 0x0000140000020000ULL, 0x0000000000000000ULL,
80 0x0000000140000020ULL, 0x0000000140020000ULL, 0x0000000000000000ULL, 0x0000140140000020ULL
81 },
82 {
83 0x2000005020000500ULL, 0x2000000020000000ULL, 0x0000000020000000ULL, 0x0000005020000500ULL,
84 0x0000005000000000ULL, 0x0000000000000500ULL, 0x2000005000000500ULL, 0x2000000020000500ULL,
85 0x2000000000000500ULL, 0x2000005020000500ULL, 0x2000005020000000ULL, 0x2000000000000000ULL,
86 0x2000000020000000ULL, 0x0000005000000000ULL, 0x0000000000000500ULL, 0x2000005000000500ULL,
87 0x0000005020000000ULL, 0x0000005000000500ULL, 0x2000000020000500ULL, 0x0000000000000000ULL,
88 0x2000000000000000ULL, 0x0000000020000000ULL, 0x0000005020000500ULL, 0x2000005000000000ULL,
89 0x0000005000000500ULL, 0x2000000000000500ULL, 0x0000000000000000ULL, 0x0000005020000000ULL,
90 0x0000000020000500ULL, 0x2000005020000000ULL, 0x2000005000000000ULL, 0x0000000020000500ULL,
91 0x0000000000000000ULL, 0x0000005020000500ULL, 0x2000005000000500ULL, 0x0000005000000000ULL,
92 0x2000000020000500ULL, 0x2000005000000000ULL, 0x2000005020000000ULL, 0x0000000020000000ULL,
93 0x2000005000000000ULL, 0x2000000020000000ULL, 0x0000000000000500ULL, 0x2000005020000500ULL,
94 0x0000005020000500ULL, 0x0000000000000500ULL, 0x0000000020000000ULL, 0x2000000000000000ULL,
95 0x0000000020000500ULL, 0x2000005020000000ULL, 0x0000005000000000ULL, 0x2000000000000500ULL,
96 0x0000005000000500ULL, 0x2000000020000500ULL, 0x2000000000000500ULL, 0x0000005000000500ULL,
97 0x0000005020000000ULL, 0x0000000000000000ULL, 0x2000000020000000ULL, 0x0000000020000500ULL,
98 0x2000000000000000ULL, 0x2000005000000500ULL, 0x2000005020000500ULL, 0x0000005020000000ULL
99 },
100 {
101 0x0000000000014040ULL, 0x0000800280014000ULL, 0x0000000000000000ULL, 0x0000800280000040ULL,
102 0x0000800000014000ULL, 0x0000000000000000ULL, 0x0000000280014040ULL, 0x0000800000014000ULL,
103 0x0000000280000040ULL, 0x0000800000000040ULL, 0x0000800000000040ULL, 0x0000000280000000ULL,
104 0x0000800280014040ULL, 0x0000000280000040ULL, 0x0000800280000000ULL, 0x0000000000014040ULL,
105 0x0000800000000000ULL, 0x0000000000000040ULL, 0x0000800280014000ULL, 0x0000000000014000ULL,
106 0x0000000280014000ULL, 0x0000800280000000ULL, 0x0000800280000040ULL, 0x0000000280014040ULL,
107 0x0000800000014040ULL, 0x0000000280014000ULL, 0x0000000280000000ULL, 0x0000800000014040ULL,
108 0x0000000000000040ULL, 0x0000800280014040ULL, 0x0000000000014000ULL, 0x0000800000000000ULL,
109 0x0000800280014000ULL, 0x0000800000000000ULL, 0x0000000280000040ULL, 0x0000000000014040ULL,
110 0x0000000280000000ULL, 0x0000800280014000ULL, 0x0000800000014000ULL, 0x0000000000000000ULL,
111 0x0000000000014000ULL, 0x0000000280000040ULL, 0x0000800280014040ULL, 0x0000800000014000ULL,
112 0x0000800000000040ULL, 0x0000000000014000ULL, 0x0000000000000000ULL, 0x0000800280000040ULL,
113 0x0000800000014040ULL, 0x0000000280000000ULL, 0x0000800000000000ULL, 0x0000800280014040ULL,
114 0x0000000000000040ULL, 0x0000000280014040ULL, 0x0000000280014000ULL, 0x0000800000000040ULL,
115 0x0000800280000000ULL, 0x0000800000014040ULL, 0x0000000000014040ULL, 0x0000800280000000ULL,
116 0x0000000280014040ULL, 0x0000000000000040ULL, 0x0000800280000040ULL, 0x0000000280014000ULL
117 },
118 {
119 0x4000020008100008ULL, 0x4000000008101008ULL, 0x4000000008101008ULL, 0x0000000000001000ULL,
120 0x0000020008101000ULL, 0x4000020000001008ULL, 0x4000020000000008ULL, 0x4000000008100008ULL,
121 0x0000000000000000ULL, 0x0000020008100000ULL, 0x0000020008100000ULL, 0x4000020008101008ULL,
122 0x4000000000001008ULL, 0x0000000000000000ULL, 0x0000020000001000ULL, 0x4000020000000008ULL,
123 0x4000000000000008ULL, 0x0000000008100000ULL, 0x0000020000000000ULL, 0x4000020008100008ULL,
124 0x0000000000001000ULL, 0x0000020000000000ULL, 0x4000000008100008ULL, 0x0000000008101000ULL,
125 0x4000020000001008ULL, 0x4000000000000008ULL, 0x0000000008101000ULL, 0x0000020000001000ULL,
126 0x0000000008100000ULL, 0x0000020008101000ULL, 0x4000020008101008ULL, 0x4000000000001008ULL,
127 0x0000020000001000ULL, 0x4000020000000008ULL, 0x0000020008100000ULL, 0x4000020008101008ULL,
128 0x4000000000001008ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000020008100000ULL,
129 0x0000000008101000ULL, 0x0000020000001000ULL, 0x4000020000001008ULL, 0x4000000000000008ULL,
130 0x4000020008100008ULL, 0x4000000008101008ULL, 0x4000000008101008ULL, 0x0000000000001000ULL,
131 0x4000020008101008ULL, 0x4000000000001008ULL, 0x4000000000000008ULL, 0x0000000008100000ULL,
132 0x4000020000000008ULL, 0x4000000008100008ULL, 0x0000020008101000ULL, 0x4000020000001008ULL,
133 0x4000000008100008ULL, 0x0000000008101000ULL, 0x0000020000000000ULL, 0x4000020008100008ULL,
134 0x0000000000001000ULL, 0x0000020000000000ULL, 0x0000000008100000ULL, 0x0000020008101000ULL
135 },
136 {
137 0x000000000000a000ULL, 0x000028080000a000ULL, 0x0000280800000000ULL, 0x100028000000a000ULL,
138 0x0000000800000000ULL, 0x000000000000a000ULL, 0x1000000000000000ULL, 0x0000280800000000ULL,
139 0x100000080000a000ULL, 0x0000000800000000ULL, 0x000028000000a000ULL, 0x100000080000a000ULL,
140 0x100028000000a000ULL, 0x1000280800000000ULL, 0x000000080000a000ULL, 0x1000000000000000ULL,
141 0x0000280000000000ULL, 0x1000000800000000ULL, 0x1000000800000000ULL, 0x0000000000000000ULL,
142 0x100000000000a000ULL, 0x100028080000a000ULL, 0x100028080000a000ULL, 0x000028000000a000ULL,
143 0x1000280800000000ULL, 0x100000000000a000ULL, 0x0000000000000000ULL, 0x1000280000000000ULL,
144 0x000028080000a000ULL, 0x0000280000000000ULL, 0x1000280000000000ULL, 0x000000080000a000ULL,
145 0x0000000800000000ULL, 0x100028000000a000ULL, 0x000000000000a000ULL, 0x0000280000000000ULL,
146 0x1000000000000000ULL, 0x0000280800000000ULL, 0x100028000000a000ULL, 0x100000080000a000ULL,
147 0x000028000000a000ULL, 0x1000000000000000ULL, 0x1000280800000000ULL, 0x000028080000a000ULL,
148 0x100000080000a000ULL, 0x000000000000a000ULL, 0x0000280000000000ULL, 0x1000280800000000ULL,
149 0x100028080000a000ULL, 0x000000080000a000ULL, 0x1000280000000000ULL, 0x100028080000a000ULL,
150 0x0000280800000000ULL, 0x0000000000000000ULL, 0x1000000800000000ULL, 0x1000280000000000ULL,
151 0x000000080000a000ULL, 0x000028000000a000ULL, 0x100000000000a000ULL, 0x0000000800000000ULL,
152 0x0000000000000000ULL, 0x1000000800000000ULL, 0x000028080000a000ULL, 0x100000000000a000ULL
153 },
154 {
155 0x0802000000000280ULL, 0x0802010000000000ULL, 0x0000000010000000ULL, 0x0802010010000280ULL,
156 0x0802010000000000ULL, 0x0000000000000280ULL, 0x0802010010000280ULL, 0x0000010000000000ULL,
157 0x0802000010000000ULL, 0x0000010010000280ULL, 0x0000010000000000ULL, 0x0802000000000280ULL,
158 0x0000010000000280ULL, 0x0802000010000000ULL, 0x0802000000000000ULL, 0x0000000010000280ULL,
159 0x0000000000000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL, 0x0000000010000000ULL,
160 0x0000010010000000ULL, 0x0802000010000280ULL, 0x0000000000000280ULL, 0x0802010000000280ULL,
161 0x0802010000000280ULL, 0x0000000000000000ULL, 0x0000010010000280ULL, 0x0802010010000000ULL,
162 0x0000000010000280ULL, 0x0000010010000000ULL, 0x0802010010000000ULL, 0x0802000000000000ULL,
163 0x0802000010000000ULL, 0x0000000000000280ULL, 0x0802010000000280ULL, 0x0000010010000000ULL,
164 0x0802010010000280ULL, 0x0000010000000000ULL, 0x0000000010000280ULL, 0x0802000000000280ULL,
165 0x0000010000000000ULL, 0x0802000010000000ULL, 0x0802000000000000ULL, 0x0000000010000280ULL,
166 0x0802000000000280ULL, 0x0802010010000280ULL, 0x0000010010000000ULL, 0x0802010000000000ULL,
167 0x0000010010000280ULL, 0x0802010010000000ULL, 0x0000000000000000ULL, 0x0802010000000280ULL,
168 0x0000000000000280ULL, 0x0000000010000000ULL, 0x0802010000000000ULL, 0x0000010010000280ULL,
169 0x0000000010000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL, 0x0000000000000000ULL,
170 0x0802010010000000ULL, 0x0802000000000000ULL, 0x0000010000000280ULL, 0x0802000010000280ULL
171 },
172 {
173 0x000000a000000000ULL, 0x800040a000000010ULL, 0x8000400000040010ULL, 0x0000000000000000ULL,
174 0x0000000000040000ULL, 0x8000400000040010ULL, 0x800000a000040010ULL, 0x000040a000040000ULL,
175 0x800040a000040010ULL, 0x000000a000000000ULL, 0x0000000000000000ULL, 0x8000400000000010ULL,
176 0x8000000000000010ULL, 0x0000400000000000ULL, 0x800040a000000010ULL, 0x8000000000040010ULL,
177 0x0000400000040000ULL, 0x800000a000040010ULL, 0x800000a000000010ULL, 0x0000400000040000ULL,
178 0x8000400000000010ULL, 0x000040a000000000ULL, 0x000040a000040000ULL, 0x800000a000000010ULL,
179 0x000040a000000000ULL, 0x0000000000040000ULL, 0x8000000000040010ULL, 0x800040a000040010ULL,
180 0x000000a000040000ULL, 0x8000000000000010ULL, 0x0000400000000000ULL, 0x000000a000040000ULL,
181 0x0000400000000000ULL, 0x000000a000040000ULL, 0x000000a000000000ULL, 0x8000400000040010ULL,
182 0x8000400000040010ULL, 0x800040a000000010ULL, 0x800040a000000010ULL, 0x8000000000000010ULL,
183 0x800000a000000010ULL, 0x0000400000000000ULL, 0x0000400000040000ULL, 0x000000a000000000ULL,
184 0x000040a000040000ULL, 0x8000000000040010ULL, 0x800000a000040010ULL, 0x000040a000040000ULL,
185 0x8000000000040010ULL, 0x8000400000000010ULL, 0x800040a000040010ULL, 0x000040a000000000ULL,
186 0x000000a000040000ULL, 0x0000000000000000ULL, 0x8000000000000010ULL, 0x800040a000040010ULL,
187 0x0000000000000000ULL, 0x800000a000040010ULL, 0x000040a000000000ULL, 0x0000000000040000ULL,
188 0x8000400000000010ULL, 0x0000400000040000ULL, 0x0000000000040000ULL, 0x800000a000000010ULL
189 },
190 {
191 0x0401000004080800ULL, 0x0000000004080000ULL, 0x0000000400000000ULL, 0x0401000404080800ULL,
192 0x0401000000000000ULL, 0x0401000004080800ULL, 0x0000000000000800ULL, 0x0401000000000000ULL,
193 0x0000000400000800ULL, 0x0401000400000000ULL, 0x0401000404080800ULL, 0x0000000404080000ULL,
194 0x0401000404080000ULL, 0x0000000404080800ULL, 0x0000000004080000ULL, 0x0000000000000800ULL,
195 0x0401000400000000ULL, 0x0401000000000800ULL, 0x0401000004080000ULL, 0x0000000004080800ULL,
196 0x0000000404080000ULL, 0x0000000400000800ULL, 0x0401000400000800ULL, 0x0401000404080000ULL,
197 0x0000000004080800ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0401000400000800ULL,
198 0x0401000000000800ULL, 0x0401000004080000ULL, 0x0000000404080800ULL, 0x0000000400000000ULL,
199 0x0000000404080800ULL, 0x0000000400000000ULL, 0x0401000404080000ULL, 0x0000000004080000ULL,
200 0x0000000000000800ULL, 0x0401000400000800ULL, 0x0000000004080000ULL, 0x0000000404080800ULL,
201 0x0401000004080000ULL, 0x0000000000000800ULL, 0x0401000000000800ULL, 0x0401000400000000ULL,
202 0x0401000400000800ULL, 0x0401000000000000ULL, 0x0000000400000000ULL, 0x0401000004080800ULL,
203 0x0000000000000000ULL, 0x0401000404080800ULL, 0x0000000400000800ULL, 0x0401000000000800ULL,
204 0x0401000400000000ULL, 0x0401000004080000ULL, 0x0401000004080800ULL, 0x0000000000000000ULL,
205 0x0401000404080800ULL, 0x0000000404080000ULL, 0x0000000404080000ULL, 0x0000000004080800ULL,
206 0x0000000004080800ULL, 0x0000000400000800ULL, 0x0401000000000000ULL, 0x0401000404080000ULL
207 }
208 /* END CSTYLED */
209 };
210 
211 
212 static const uint64_t ip_table[2][256]=
213 {
214 /* BEGIN CSTYLED */
215 {
216 0x0000000000000000ULL, 0x0000000000000400ULL, 0x0080000000000280ULL, 0x0080000000000680ULL,
217 0x0000000000400000ULL, 0x0000000000400400ULL, 0x0080000000400280ULL, 0x0080000000400680ULL,
218 0x0000000000280000ULL, 0x0000000000280400ULL, 0x0080000000280280ULL, 0x0080000000280680ULL,
219 0x0000000000680000ULL, 0x0000000000680400ULL, 0x0080000000680280ULL, 0x0080000000680680ULL,
220 0x0000000400000000ULL, 0x0000000400000400ULL, 0x0080000400000280ULL, 0x0080000400000680ULL,
221 0x0000000400400000ULL, 0x0000000400400400ULL, 0x0080000400400280ULL, 0x0080000400400680ULL,
222 0x0000000400280000ULL, 0x0000000400280400ULL, 0x0080000400280280ULL, 0x0080000400280680ULL,
223 0x0000000400680000ULL, 0x0000000400680400ULL, 0x0080000400680280ULL, 0x0080000400680680ULL,
224 0x0000000280000000ULL, 0x0000000280000400ULL, 0x0080000280000280ULL, 0x0080000280000680ULL,
225 0x0000000280400000ULL, 0x0000000280400400ULL, 0x0080000280400280ULL, 0x0080000280400680ULL,
226 0x0000000280280000ULL, 0x0000000280280400ULL, 0x0080000280280280ULL, 0x0080000280280680ULL,
227 0x0000000280680000ULL, 0x0000000280680400ULL, 0x0080000280680280ULL, 0x0080000280680680ULL,
228 0x0000000680000000ULL, 0x0000000680000400ULL, 0x0080000680000280ULL, 0x0080000680000680ULL,
229 0x0000000680400000ULL, 0x0000000680400400ULL, 0x0080000680400280ULL, 0x0080000680400680ULL,
230 0x0000000680280000ULL, 0x0000000680280400ULL, 0x0080000680280280ULL, 0x0080000680280680ULL,
231 0x0000000680680000ULL, 0x0000000680680400ULL, 0x0080000680680280ULL, 0x0080000680680680ULL,
232 0x0000400000000000ULL, 0x0000400000000400ULL, 0x0080400000000280ULL, 0x0080400000000680ULL,
233 0x0000400000400000ULL, 0x0000400000400400ULL, 0x0080400000400280ULL, 0x0080400000400680ULL,
234 0x0000400000280000ULL, 0x0000400000280400ULL, 0x0080400000280280ULL, 0x0080400000280680ULL,
235 0x0000400000680000ULL, 0x0000400000680400ULL, 0x0080400000680280ULL, 0x0080400000680680ULL,
236 0x0000400400000000ULL, 0x0000400400000400ULL, 0x0080400400000280ULL, 0x0080400400000680ULL,
237 0x0000400400400000ULL, 0x0000400400400400ULL, 0x0080400400400280ULL, 0x0080400400400680ULL,
238 0x0000400400280000ULL, 0x0000400400280400ULL, 0x0080400400280280ULL, 0x0080400400280680ULL,
239 0x0000400400680000ULL, 0x0000400400680400ULL, 0x0080400400680280ULL, 0x0080400400680680ULL,
240 0x0000400280000000ULL, 0x0000400280000400ULL, 0x0080400280000280ULL, 0x0080400280000680ULL,
241 0x0000400280400000ULL, 0x0000400280400400ULL, 0x0080400280400280ULL, 0x0080400280400680ULL,
242 0x0000400280280000ULL, 0x0000400280280400ULL, 0x0080400280280280ULL, 0x0080400280280680ULL,
243 0x0000400280680000ULL, 0x0000400280680400ULL, 0x0080400280680280ULL, 0x0080400280680680ULL,
244 0x0000400680000000ULL, 0x0000400680000400ULL, 0x0080400680000280ULL, 0x0080400680000680ULL,
245 0x0000400680400000ULL, 0x0000400680400400ULL, 0x0080400680400280ULL, 0x0080400680400680ULL,
246 0x0000400680280000ULL, 0x0000400680280400ULL, 0x0080400680280280ULL, 0x0080400680280680ULL,
247 0x0000400680680000ULL, 0x0000400680680400ULL, 0x0080400680680280ULL, 0x0080400680680680ULL,
248 0x0000280000000000ULL, 0x0000280000000400ULL, 0x0080280000000280ULL, 0x0080280000000680ULL,
249 0x0000280000400000ULL, 0x0000280000400400ULL, 0x0080280000400280ULL, 0x0080280000400680ULL,
250 0x0000280000280000ULL, 0x0000280000280400ULL, 0x0080280000280280ULL, 0x0080280000280680ULL,
251 0x0000280000680000ULL, 0x0000280000680400ULL, 0x0080280000680280ULL, 0x0080280000680680ULL,
252 0x0000280400000000ULL, 0x0000280400000400ULL, 0x0080280400000280ULL, 0x0080280400000680ULL,
253 0x0000280400400000ULL, 0x0000280400400400ULL, 0x0080280400400280ULL, 0x0080280400400680ULL,
254 0x0000280400280000ULL, 0x0000280400280400ULL, 0x0080280400280280ULL, 0x0080280400280680ULL,
255 0x0000280400680000ULL, 0x0000280400680400ULL, 0x0080280400680280ULL, 0x0080280400680680ULL,
256 0x0000280280000000ULL, 0x0000280280000400ULL, 0x0080280280000280ULL, 0x0080280280000680ULL,
257 0x0000280280400000ULL, 0x0000280280400400ULL, 0x0080280280400280ULL, 0x0080280280400680ULL,
258 0x0000280280280000ULL, 0x0000280280280400ULL, 0x0080280280280280ULL, 0x0080280280280680ULL,
259 0x0000280280680000ULL, 0x0000280280680400ULL, 0x0080280280680280ULL, 0x0080280280680680ULL,
260 0x0000280680000000ULL, 0x0000280680000400ULL, 0x0080280680000280ULL, 0x0080280680000680ULL,
261 0x0000280680400000ULL, 0x0000280680400400ULL, 0x0080280680400280ULL, 0x0080280680400680ULL,
262 0x0000280680280000ULL, 0x0000280680280400ULL, 0x0080280680280280ULL, 0x0080280680280680ULL,
263 0x0000280680680000ULL, 0x0000280680680400ULL, 0x0080280680680280ULL, 0x0080280680680680ULL,
264 0x0000680000000000ULL, 0x0000680000000400ULL, 0x0080680000000280ULL, 0x0080680000000680ULL,
265 0x0000680000400000ULL, 0x0000680000400400ULL, 0x0080680000400280ULL, 0x0080680000400680ULL,
266 0x0000680000280000ULL, 0x0000680000280400ULL, 0x0080680000280280ULL, 0x0080680000280680ULL,
267 0x0000680000680000ULL, 0x0000680000680400ULL, 0x0080680000680280ULL, 0x0080680000680680ULL,
268 0x0000680400000000ULL, 0x0000680400000400ULL, 0x0080680400000280ULL, 0x0080680400000680ULL,
269 0x0000680400400000ULL, 0x0000680400400400ULL, 0x0080680400400280ULL, 0x0080680400400680ULL,
270 0x0000680400280000ULL, 0x0000680400280400ULL, 0x0080680400280280ULL, 0x0080680400280680ULL,
271 0x0000680400680000ULL, 0x0000680400680400ULL, 0x0080680400680280ULL, 0x0080680400680680ULL,
272 0x0000680280000000ULL, 0x0000680280000400ULL, 0x0080680280000280ULL, 0x0080680280000680ULL,
273 0x0000680280400000ULL, 0x0000680280400400ULL, 0x0080680280400280ULL, 0x0080680280400680ULL,
274 0x0000680280280000ULL, 0x0000680280280400ULL, 0x0080680280280280ULL, 0x0080680280280680ULL,
275 0x0000680280680000ULL, 0x0000680280680400ULL, 0x0080680280680280ULL, 0x0080680280680680ULL,
276 0x0000680680000000ULL, 0x0000680680000400ULL, 0x0080680680000280ULL, 0x0080680680000680ULL,
277 0x0000680680400000ULL, 0x0000680680400400ULL, 0x0080680680400280ULL, 0x0080680680400680ULL,
278 0x0000680680280000ULL, 0x0000680680280400ULL, 0x0080680680280280ULL, 0x0080680680280680ULL,
279 0x0000680680680000ULL, 0x0000680680680400ULL, 0x0080680680680280ULL, 0x0080680680680680ULL
280 },
281 {
282 0x0000000000000000ULL, 0x0000000000005000ULL, 0x0000000000000800ULL, 0x0000000000005800ULL,
283 0x0000000005000000ULL, 0x0000000005005000ULL, 0x0000000005000800ULL, 0x0000000005005800ULL,
284 0x0000000000800000ULL, 0x0000000000805000ULL, 0x0000000000800800ULL, 0x0000000000805800ULL,
285 0x0000000005800000ULL, 0x0000000005805000ULL, 0x0000000005800800ULL, 0x0000000005805800ULL,
286 0x0000005000000000ULL, 0x0000005000005000ULL, 0x0000005000000800ULL, 0x0000005000005800ULL,
287 0x0000005005000000ULL, 0x0000005005005000ULL, 0x0000005005000800ULL, 0x0000005005005800ULL,
288 0x0000005000800000ULL, 0x0000005000805000ULL, 0x0000005000800800ULL, 0x0000005000805800ULL,
289 0x0000005005800000ULL, 0x0000005005805000ULL, 0x0000005005800800ULL, 0x0000005005805800ULL,
290 0x0000000800000000ULL, 0x0000000800005000ULL, 0x0000000800000800ULL, 0x0000000800005800ULL,
291 0x0000000805000000ULL, 0x0000000805005000ULL, 0x0000000805000800ULL, 0x0000000805005800ULL,
292 0x0000000800800000ULL, 0x0000000800805000ULL, 0x0000000800800800ULL, 0x0000000800805800ULL,
293 0x0000000805800000ULL, 0x0000000805805000ULL, 0x0000000805800800ULL, 0x0000000805805800ULL,
294 0x0000005800000000ULL, 0x0000005800005000ULL, 0x0000005800000800ULL, 0x0000005800005800ULL,
295 0x0000005805000000ULL, 0x0000005805005000ULL, 0x0000005805000800ULL, 0x0000005805005800ULL,
296 0x0000005800800000ULL, 0x0000005800805000ULL, 0x0000005800800800ULL, 0x0000005800805800ULL,
297 0x0000005805800000ULL, 0x0000005805805000ULL, 0x0000005805800800ULL, 0x0000005805805800ULL,
298 0x0005000000000004ULL, 0x0005000000005004ULL, 0x0005000000000804ULL, 0x0005000000005804ULL,
299 0x0005000005000004ULL, 0x0005000005005004ULL, 0x0005000005000804ULL, 0x0005000005005804ULL,
300 0x0005000000800004ULL, 0x0005000000805004ULL, 0x0005000000800804ULL, 0x0005000000805804ULL,
301 0x0005000005800004ULL, 0x0005000005805004ULL, 0x0005000005800804ULL, 0x0005000005805804ULL,
302 0x0005005000000004ULL, 0x0005005000005004ULL, 0x0005005000000804ULL, 0x0005005000005804ULL,
303 0x0005005005000004ULL, 0x0005005005005004ULL, 0x0005005005000804ULL, 0x0005005005005804ULL,
304 0x0005005000800004ULL, 0x0005005000805004ULL, 0x0005005000800804ULL, 0x0005005000805804ULL,
305 0x0005005005800004ULL, 0x0005005005805004ULL, 0x0005005005800804ULL, 0x0005005005805804ULL,
306 0x0005000800000004ULL, 0x0005000800005004ULL, 0x0005000800000804ULL, 0x0005000800005804ULL,
307 0x0005000805000004ULL, 0x0005000805005004ULL, 0x0005000805000804ULL, 0x0005000805005804ULL,
308 0x0005000800800004ULL, 0x0005000800805004ULL, 0x0005000800800804ULL, 0x0005000800805804ULL,
309 0x0005000805800004ULL, 0x0005000805805004ULL, 0x0005000805800804ULL, 0x0005000805805804ULL,
310 0x0005005800000004ULL, 0x0005005800005004ULL, 0x0005005800000804ULL, 0x0005005800005804ULL,
311 0x0005005805000004ULL, 0x0005005805005004ULL, 0x0005005805000804ULL, 0x0005005805005804ULL,
312 0x0005005800800004ULL, 0x0005005800805004ULL, 0x0005005800800804ULL, 0x0005005800805804ULL,
313 0x0005005805800004ULL, 0x0005005805805004ULL, 0x0005005805800804ULL, 0x0005005805805804ULL,
314 0x0000800000000000ULL, 0x0000800000005000ULL, 0x0000800000000800ULL, 0x0000800000005800ULL,
315 0x0000800005000000ULL, 0x0000800005005000ULL, 0x0000800005000800ULL, 0x0000800005005800ULL,
316 0x0000800000800000ULL, 0x0000800000805000ULL, 0x0000800000800800ULL, 0x0000800000805800ULL,
317 0x0000800005800000ULL, 0x0000800005805000ULL, 0x0000800005800800ULL, 0x0000800005805800ULL,
318 0x0000805000000000ULL, 0x0000805000005000ULL, 0x0000805000000800ULL, 0x0000805000005800ULL,
319 0x0000805005000000ULL, 0x0000805005005000ULL, 0x0000805005000800ULL, 0x0000805005005800ULL,
320 0x0000805000800000ULL, 0x0000805000805000ULL, 0x0000805000800800ULL, 0x0000805000805800ULL,
321 0x0000805005800000ULL, 0x0000805005805000ULL, 0x0000805005800800ULL, 0x0000805005805800ULL,
322 0x0000800800000000ULL, 0x0000800800005000ULL, 0x0000800800000800ULL, 0x0000800800005800ULL,
323 0x0000800805000000ULL, 0x0000800805005000ULL, 0x0000800805000800ULL, 0x0000800805005800ULL,
324 0x0000800800800000ULL, 0x0000800800805000ULL, 0x0000800800800800ULL, 0x0000800800805800ULL,
325 0x0000800805800000ULL, 0x0000800805805000ULL, 0x0000800805800800ULL, 0x0000800805805800ULL,
326 0x0000805800000000ULL, 0x0000805800005000ULL, 0x0000805800000800ULL, 0x0000805800005800ULL,
327 0x0000805805000000ULL, 0x0000805805005000ULL, 0x0000805805000800ULL, 0x0000805805005800ULL,
328 0x0000805800800000ULL, 0x0000805800805000ULL, 0x0000805800800800ULL, 0x0000805800805800ULL,
329 0x0000805805800000ULL, 0x0000805805805000ULL, 0x0000805805800800ULL, 0x0000805805805800ULL,
330 0x0005800000000004ULL, 0x0005800000005004ULL, 0x0005800000000804ULL, 0x0005800000005804ULL,
331 0x0005800005000004ULL, 0x0005800005005004ULL, 0x0005800005000804ULL, 0x0005800005005804ULL,
332 0x0005800000800004ULL, 0x0005800000805004ULL, 0x0005800000800804ULL, 0x0005800000805804ULL,
333 0x0005800005800004ULL, 0x0005800005805004ULL, 0x0005800005800804ULL, 0x0005800005805804ULL,
334 0x0005805000000004ULL, 0x0005805000005004ULL, 0x0005805000000804ULL, 0x0005805000005804ULL,
335 0x0005805005000004ULL, 0x0005805005005004ULL, 0x0005805005000804ULL, 0x0005805005005804ULL,
336 0x0005805000800004ULL, 0x0005805000805004ULL, 0x0005805000800804ULL, 0x0005805000805804ULL,
337 0x0005805005800004ULL, 0x0005805005805004ULL, 0x0005805005800804ULL, 0x0005805005805804ULL,
338 0x0005800800000004ULL, 0x0005800800005004ULL, 0x0005800800000804ULL, 0x0005800800005804ULL,
339 0x0005800805000004ULL, 0x0005800805005004ULL, 0x0005800805000804ULL, 0x0005800805005804ULL,
340 0x0005800800800004ULL, 0x0005800800805004ULL, 0x0005800800800804ULL, 0x0005800800805804ULL,
341 0x0005800805800004ULL, 0x0005800805805004ULL, 0x0005800805800804ULL, 0x0005800805805804ULL,
342 0x0005805800000004ULL, 0x0005805800005004ULL, 0x0005805800000804ULL, 0x0005805800005804ULL,
343 0x0005805805000004ULL, 0x0005805805005004ULL, 0x0005805805000804ULL, 0x0005805805005804ULL,
344 0x0005805800800004ULL, 0x0005805800805004ULL, 0x0005805800800804ULL, 0x0005805800805804ULL,
345 0x0005805805800004ULL, 0x0005805805805004ULL, 0x0005805805800804ULL, 0x0005805805805804ULL
346 }
347 /* END CSTYLED */
348 };
349 
350 static const uint32_t fp_table[256]=
351 {
352 0x00000000, 0x80000000, 0x00800000, 0x80800000,
353 0x00008000, 0x80008000, 0x00808000, 0x80808000,
354 0x00000080, 0x80000080, 0x00800080, 0x80800080,
355 0x00008080, 0x80008080, 0x00808080, 0x80808080,
356 0x40000000, 0xc0000000, 0x40800000, 0xc0800000,
357 0x40008000, 0xc0008000, 0x40808000, 0xc0808000,
358 0x40000080, 0xc0000080, 0x40800080, 0xc0800080,
359 0x40008080, 0xc0008080, 0x40808080, 0xc0808080,
360 0x00400000, 0x80400000, 0x00c00000, 0x80c00000,
361 0x00408000, 0x80408000, 0x00c08000, 0x80c08000,
362 0x00400080, 0x80400080, 0x00c00080, 0x80c00080,
363 0x00408080, 0x80408080, 0x00c08080, 0x80c08080,
364 0x40400000, 0xc0400000, 0x40c00000, 0xc0c00000,
365 0x40408000, 0xc0408000, 0x40c08000, 0xc0c08000,
366 0x40400080, 0xc0400080, 0x40c00080, 0xc0c00080,
367 0x40408080, 0xc0408080, 0x40c08080, 0xc0c08080,
368 0x00004000, 0x80004000, 0x00804000, 0x80804000,
369 0x0000c000, 0x8000c000, 0x0080c000, 0x8080c000,
370 0x00004080, 0x80004080, 0x00804080, 0x80804080,
371 0x0000c080, 0x8000c080, 0x0080c080, 0x8080c080,
372 0x40004000, 0xc0004000, 0x40804000, 0xc0804000,
373 0x4000c000, 0xc000c000, 0x4080c000, 0xc080c000,
374 0x40004080, 0xc0004080, 0x40804080, 0xc0804080,
375 0x4000c080, 0xc000c080, 0x4080c080, 0xc080c080,
376 0x00404000, 0x80404000, 0x00c04000, 0x80c04000,
377 0x0040c000, 0x8040c000, 0x00c0c000, 0x80c0c000,
378 0x00404080, 0x80404080, 0x00c04080, 0x80c04080,
379 0x0040c080, 0x8040c080, 0x00c0c080, 0x80c0c080,
380 0x40404000, 0xc0404000, 0x40c04000, 0xc0c04000,
381 0x4040c000, 0xc040c000, 0x40c0c000, 0xc0c0c000,
382 0x40404080, 0xc0404080, 0x40c04080, 0xc0c04080,
383 0x4040c080, 0xc040c080, 0x40c0c080, 0xc0c0c080,
384 0x00000040, 0x80000040, 0x00800040, 0x80800040,
385 0x00008040, 0x80008040, 0x00808040, 0x80808040,
386 0x000000c0, 0x800000c0, 0x008000c0, 0x808000c0,
387 0x000080c0, 0x800080c0, 0x008080c0, 0x808080c0,
388 0x40000040, 0xc0000040, 0x40800040, 0xc0800040,
389 0x40008040, 0xc0008040, 0x40808040, 0xc0808040,
390 0x400000c0, 0xc00000c0, 0x408000c0, 0xc08000c0,
391 0x400080c0, 0xc00080c0, 0x408080c0, 0xc08080c0,
392 0x00400040, 0x80400040, 0x00c00040, 0x80c00040,
393 0x00408040, 0x80408040, 0x00c08040, 0x80c08040,
394 0x004000c0, 0x804000c0, 0x00c000c0, 0x80c000c0,
395 0x004080c0, 0x804080c0, 0x00c080c0, 0x80c080c0,
396 0x40400040, 0xc0400040, 0x40c00040, 0xc0c00040,
397 0x40408040, 0xc0408040, 0x40c08040, 0xc0c08040,
398 0x404000c0, 0xc04000c0, 0x40c000c0, 0xc0c000c0,
399 0x404080c0, 0xc04080c0, 0x40c080c0, 0xc0c080c0,
400 0x00004040, 0x80004040, 0x00804040, 0x80804040,
401 0x0000c040, 0x8000c040, 0x0080c040, 0x8080c040,
402 0x000040c0, 0x800040c0, 0x008040c0, 0x808040c0,
403 0x0000c0c0, 0x8000c0c0, 0x0080c0c0, 0x8080c0c0,
404 0x40004040, 0xc0004040, 0x40804040, 0xc0804040,
405 0x4000c040, 0xc000c040, 0x4080c040, 0xc080c040,
406 0x400040c0, 0xc00040c0, 0x408040c0, 0xc08040c0,
407 0x4000c0c0, 0xc000c0c0, 0x4080c0c0, 0xc080c0c0,
408 0x00404040, 0x80404040, 0x00c04040, 0x80c04040,
409 0x0040c040, 0x8040c040, 0x00c0c040, 0x80c0c040,
410 0x004040c0, 0x804040c0, 0x00c040c0, 0x80c040c0,
411 0x0040c0c0, 0x8040c0c0, 0x00c0c0c0, 0x80c0c0c0,
412 0x40404040, 0xc0404040, 0x40c04040, 0xc0c04040,
413 0x4040c040, 0xc040c040, 0x40c0c040, 0xc0c0c040,
414 0x404040c0, 0xc04040c0, 0x40c040c0, 0xc0c040c0,
415 0x4040c0c0, 0xc040c0c0, 0x40c0c0c0, 0xc0c0c0c0
416 };
417 
418 static const uint64_t all_a = 0xaaaaaaaaaaaaaaaaULL;
419 static const uint64_t all_5 = 0x5555555555555555ULL;
420 static const uint64_t top_1 = 0xfc000000000000ULL;
421 static const uint64_t mid_4 = 0x3fffffc000000ULL;
422 static const uint64_t low_3 = 0x3ffff00ULL;
423 
424 
425 static void
426 des_ip(uint64_t *l, uint64_t *r, uint64_t pt)
427 {
428 	uint64_t a, b;
429 
430 	a = pt & all_a;
431 	b = pt & all_5;
432 	a = a | (a << 7);
433 	b = b | (b >> 7);
434 
435 	b = (ip_table[0][(b >> 48) & 255ULL]) |
436 	    (ip_table[1][(b >> 32) & 255ULL]) |
437 	    (ip_table[0][(b >> 16) & 255ULL] << 6) |
438 	    (ip_table[1][b & 255ULL] << 6);
439 
440 	a = (ip_table[0][(a >> 56) & 255]) |
441 	    (ip_table[1][(a >> 40) & 255]) |
442 	    (ip_table[0][(a >> 24) & 255] << 6) |
443 	    (ip_table[1][(a >> 8) & 255] << 6);
444 
445 	*l = ((b & top_1) << 8) |
446 	    (b & mid_4) |
447 	    ((b & low_3) >> 5);
448 
449 	*r = ((a & top_1) << 8) |
450 	    (a & mid_4) |
451 	    ((a & low_3) >> 5);
452 }
453 
454 
455 static uint64_t
456 des_fp(uint64_t l, uint64_t r)
457 {
458 	uint32_t upper, lower;
459 
460 	lower = fp_table[((l >> 55) & 240) | ((r >> 59) & 15)] |
461 	    (fp_table[((l >> 35) & 240) | ((r>>39) & 15)] >> 2) |
462 	    (fp_table[((l >> 23) & 240) | ((r >> 27) & 15)] >> 4) |
463 	    (fp_table[((l >> 6) & 240) | ((r >> 10) & 15)] >> 6);
464 
465 	upper = fp_table[((l >> 41) & 240) | ((r >> 45) & 15)] |
466 	    (fp_table[((l >> 29) & 240) | ((r >> 33) & 15)] >> 2) |
467 	    (fp_table[((l >> 12) & 240) | ((r >> 16) & 15)] >> 4) |
468 	    (fp_table[(l & 240) | (r >> 4) & 15] >> 6);
469 
470 	return ((((uint64_t)upper) << 32) | (uint64_t)lower);
471 
472 }
473 
474 uint64_t
475 des_crypt_impl(uint64_t *ks, uint64_t block, int one_or_three)
476 {
477 	int i, j;
478 	uint64_t l, r, t;
479 
480 	des_ip(&l, &r, block);
481 	for (j = 0; j < one_or_three; j++) {
482 		for (i = j * 16; i < (j + 1) * 16; i++) {
483 			t = r ^ ks[i];
484 			t = sbox_table[0][t >> 58] |
485 			    sbox_table[1][(t >> 44) & 63] |
486 			    sbox_table[2][(t >> 38) & 63] |
487 			    sbox_table[3][(t >> 32) & 63] |
488 			    sbox_table[4][(t >> 26) & 63] |
489 			    sbox_table[5][(t >> 15) & 63] |
490 			    sbox_table[6][(t >> 9) & 63] |
491 			    sbox_table[7][(t >> 3) & 63];
492 			t = t^l;
493 			l = r;
494 			r = t;
495 		}
496 		r = l;
497 		l = t;
498 	}
499 
500 	return (des_fp(l, r));
501 }
502 #endif /* !sun4u */
503 
504 /* EXPORT DELETE END */
505 
506 int
507 des3_crunch_block(const void *cookie, const uint8_t block[DES_BLOCK_LEN],
508     uint8_t out_block[DES_BLOCK_LEN], boolean_t decrypt)
509 {
510 /* EXPORT DELETE START */
511 	keysched3_t *ksch = (keysched3_t *)cookie;
512 
513 	/*
514 	 * The code below, that is always executed on LITTLE_ENDIAN machines,
515 	 * reverses bytes in the block.  On BIG_ENDIAN, the same code
516 	 * copies the block without reversing bytes.
517 	 */
518 #ifdef _BIG_ENDIAN
519 	if (IS_P2ALIGNED(block, sizeof (uint64_t)) &&
520 	    IS_P2ALIGNED(out_block, sizeof (uint64_t))) {
521 		if (decrypt == B_TRUE)
522 			/* LINTED */
523 			*(uint64_t *)out_block = des_crypt_impl(
524 			    ksch->ksch_decrypt, /* LINTED */
525 			    *(uint64_t *)block, 3);
526 		else
527 			/* LINTED */
528 			*(uint64_t *)out_block = des_crypt_impl(
529 			    ksch->ksch_encrypt, /* LINTED */
530 			    *(uint64_t *)block, 3);
531 	} else
532 #endif	/* _BIG_ENDIAN */
533 	{
534 		uint64_t tmp;
535 
536 #ifdef UNALIGNED_POINTERS_PERMITTED
537 		tmp = htonll(*(uint64_t *)(void *)&block[0]);
538 #else
539 		tmp = (((uint64_t)block[0] << 56) | ((uint64_t)block[1] << 48) |
540 		    ((uint64_t)block[2] << 40) | ((uint64_t)block[3] << 32) |
541 		    ((uint64_t)block[4] << 24) | ((uint64_t)block[5] << 16) |
542 		    ((uint64_t)block[6] << 8) | (uint64_t)block[7]);
543 #endif	/* UNALIGNED_POINTERS_PERMITTED */
544 
545 		if (decrypt == B_TRUE)
546 			tmp = des_crypt_impl(ksch->ksch_decrypt, tmp, 3);
547 		else
548 			tmp = des_crypt_impl(ksch->ksch_encrypt, tmp, 3);
549 
550 #ifdef UNALIGNED_POINTERS_PERMITTED
551 		*(uint64_t *)(void *)&out_block[0] = htonll(tmp);
552 #else
553 		out_block[0] = tmp >> 56;
554 		out_block[1] = tmp >> 48;
555 		out_block[2] = tmp >> 40;
556 		out_block[3] = tmp >> 32;
557 		out_block[4] = tmp >> 24;
558 		out_block[5] = tmp >> 16;
559 		out_block[6] = tmp >> 8;
560 		out_block[7] = (uint8_t)tmp;
561 #endif	/* UNALIGNED_POINTERS_PERMITTED */
562 	}
563 /* EXPORT DELETE END */
564 	return (CRYPTO_SUCCESS);
565 }
566 
567 int
568 des_crunch_block(const void *cookie, const uint8_t block[DES_BLOCK_LEN],
569     uint8_t out_block[DES_BLOCK_LEN], boolean_t decrypt)
570 {
571 /* EXPORT DELETE START */
572 	keysched_t *ksch = (keysched_t *)cookie;
573 
574 	/*
575 	 * The code below, that is always executed on LITTLE_ENDIAN machines,
576 	 * reverses bytes in the block.  On BIG_ENDIAN, the same code
577 	 * copies the block without reversing bytes.
578 	 */
579 #ifdef _BIG_ENDIAN
580 	if (IS_P2ALIGNED(block, sizeof (uint64_t)) &&
581 	    IS_P2ALIGNED(out_block, sizeof (uint64_t))) {
582 		if (decrypt == B_TRUE)
583 			/* LINTED */
584 			*(uint64_t *)out_block = des_crypt_impl(
585 			    ksch->ksch_decrypt, /* LINTED */
586 			    *(uint64_t *)block, 1);
587 		else
588 			/* LINTED */
589 			*(uint64_t *)out_block = des_crypt_impl(
590 			    ksch->ksch_encrypt, /* LINTED */
591 			    *(uint64_t *)block, 1);
592 
593 	} else
594 #endif	/* _BIG_ENDIAN */
595 	{
596 		uint64_t tmp;
597 
598 #ifdef UNALIGNED_POINTERS_PERMITTED
599 		tmp = htonll(*(uint64_t *)(void *)&block[0]);
600 #else
601 		tmp = (((uint64_t)block[0] << 56) | ((uint64_t)block[1] << 48) |
602 		    ((uint64_t)block[2] << 40) | ((uint64_t)block[3] << 32) |
603 		    ((uint64_t)block[4] << 24) | ((uint64_t)block[5] << 16) |
604 		    ((uint64_t)block[6] << 8) | (uint64_t)block[7]);
605 #endif	/* UNALIGNED_POINTERS_PERMITTED */
606 
607 
608 		if (decrypt == B_TRUE)
609 			tmp = des_crypt_impl(ksch->ksch_decrypt, tmp, 1);
610 		else
611 			tmp = des_crypt_impl(ksch->ksch_encrypt, tmp, 1);
612 
613 #ifdef UNALIGNED_POINTERS_PERMITTED
614 		*(uint64_t *)(void *)&out_block[0] = htonll(tmp);
615 #else
616 		out_block[0] = tmp >> 56;
617 		out_block[1] = tmp >> 48;
618 		out_block[2] = tmp >> 40;
619 		out_block[3] = tmp >> 32;
620 		out_block[4] = tmp >> 24;
621 		out_block[5] = tmp >> 16;
622 		out_block[6] = tmp >> 8;
623 		out_block[7] = (uint8_t)tmp;
624 #endif	/* UNALIGNED_POINTERS_PERMITTED */
625 	}
626 /* EXPORT DELETE END */
627 	return (CRYPTO_SUCCESS);
628 }
629 
630 static boolean_t
631 keycheck(uint8_t *key, uint8_t *corrected_key)
632 {
633 /* EXPORT DELETE START */
634 	uint64_t key_so_far;
635 	uint_t i;
636 	/*
637 	 * Table of weak and semi-weak keys.  Fortunately, weak keys are
638 	 * endian-independent, and some semi-weak keys can be paired up in
639 	 * endian-opposite order.  Since keys are stored as uint64_t's,
640 	 * use the ifdef _LITTLE_ENDIAN where appropriate.
641 	 */
642 	static uint64_t des_weak_keys[] = {
643 		/* Really weak keys.  Byte-order independent values. */
644 		0x0101010101010101ULL,
645 		0x1f1f1f1f0e0e0e0eULL,
646 		0xe0e0e0e0f1f1f1f1ULL,
647 		0xfefefefefefefefeULL,
648 
649 		/* Semi-weak (and a few possibly-weak) keys. */
650 
651 		/* Byte-order independent semi-weak keys. */
652 		0x01fe01fe01fe01feULL,	0xfe01fe01fe01fe01ULL,
653 
654 		/* Byte-order dependent semi-weak keys. */
655 #ifdef _LITTLE_ENDIAN
656 		0xf10ef10ee01fe01fULL,	0x0ef10ef11fe01fe0ULL,
657 		0x01f101f101e001e0ULL,	0xf101f101e001e001ULL,
658 		0x0efe0efe1ffe1ffeULL,	0xfe0efe0efe1ffe1fULL,
659 		0x010e010e011f011fULL,	0x0e010e011f011f01ULL,
660 		0xf1fef1fee0fee0feULL,	0xfef1fef1fee0fee0ULL,
661 #else	/* Big endian */
662 		0x1fe01fe00ef10ef1ULL,	0xe01fe01ff10ef10eULL,
663 		0x01e001e001f101f1ULL,	0xe001e001f101f101ULL,
664 		0x1ffe1ffe0efe0efeULL,	0xfe1ffe1ffe0efe0eULL,
665 		0x011f011f010e010eULL,	0x1f011f010e010e01ULL,
666 		0xe0fee0fef1fef1feULL,	0xfee0fee0fef1fef1ULL,
667 #endif	/* _LITTLE_ENDIAN */
668 
669 		/* We'll save the other possibly-weak keys for the future. */
670 	};
671 
672 	if (key == NULL)
673 		return (B_FALSE);
674 
675 #ifdef UNALIGNED_POINTERS_PERMITTED
676 	key_so_far = htonll(*(uint64_t *)(void *)&key[0]);
677 #else
678 	/*
679 	 * The code below reverses the bytes on LITTLE_ENDIAN machines.
680 	 * On BIG_ENDIAN, the same code copies without reversing
681 	 * the bytes.
682 	 */
683 	key_so_far = (((uint64_t)key[0] << 56) | ((uint64_t)key[1] << 48) |
684 	    ((uint64_t)key[2] << 40) | ((uint64_t)key[3] << 32) |
685 	    ((uint64_t)key[4] << 24) | ((uint64_t)key[5] << 16) |
686 	    ((uint64_t)key[6] << 8) | (uint64_t)key[7]);
687 #endif	/* UNALIGNED_POINTERS_PERMITTED */
688 
689 	/*
690 	 * Fix parity.
691 	 */
692 	fix_des_parity(&key_so_far);
693 
694 	/* Do weak key check itself. */
695 	for (i = 0; i < (sizeof (des_weak_keys) / sizeof (uint64_t)); i++)
696 		if (key_so_far == des_weak_keys[i]) {
697 			return (B_FALSE);
698 		}
699 
700 	if (corrected_key != NULL) {
701 #ifdef UNALIGNED_POINTERS_PERMITTED
702 		*(uint64_t *)(void *)&corrected_key[0] = htonll(key_so_far);
703 #else
704 		/*
705 		 * The code below reverses the bytes on LITTLE_ENDIAN machines.
706 		 * On BIG_ENDIAN, the same code copies without reversing
707 		 * the bytes.
708 		 */
709 		corrected_key[0] = key_so_far >> 56;
710 		corrected_key[1] = key_so_far >> 48;
711 		corrected_key[2] = key_so_far >> 40;
712 		corrected_key[3] = key_so_far >> 32;
713 		corrected_key[4] = key_so_far >> 24;
714 		corrected_key[5] = key_so_far >> 16;
715 		corrected_key[6] = key_so_far >> 8;
716 		corrected_key[7] = (uint8_t)key_so_far;
717 #endif	/* UNALIGNED_POINTERS_PERMITTED */
718 	}
719 /* EXPORT DELETE END */
720 	return (B_TRUE);
721 }
722 
723 static boolean_t
724 des23_keycheck(uint8_t *key, uint8_t *corrected_key, boolean_t des3)
725 {
726 /* EXPORT DELETE START */
727 	uint64_t aligned_key[DES3_KEYSIZE / sizeof (uint64_t)];
728 	uint64_t key_so_far, scratch, *currentkey;
729 	uint_t j, num_weakkeys = 0;
730 	uint8_t keysize = DES3_KEYSIZE;
731 	uint8_t checks = 3;
732 
733 	if (key == NULL) {
734 		return (B_FALSE);
735 	}
736 
737 	if (des3 == B_FALSE) {
738 		keysize = DES2_KEYSIZE;
739 		checks = 2;
740 	}
741 
742 	if (!IS_P2ALIGNED(key, sizeof (uint64_t))) {
743 		bcopy(key, aligned_key, keysize);
744 		currentkey = (uint64_t *)aligned_key;
745 	} else {
746 		/* LINTED */
747 		currentkey = (uint64_t *)key;
748 	}
749 
750 	for (j = 0; j < checks; j++) {
751 		key_so_far = currentkey[j];
752 
753 		if (!keycheck((uint8_t *)&key_so_far, (uint8_t *)&scratch)) {
754 			if (++num_weakkeys > 1) {
755 				return (B_FALSE);
756 			}
757 			/*
758 			 * We found a weak key, but since
759 			 * we've only found one weak key,
760 			 * we can not reject the whole 3DES
761 			 * set of keys as weak.
762 			 *
763 			 * Break from the weak key loop
764 			 * (since this DES key is weak) and
765 			 * continue on.
766 			 */
767 		}
768 
769 		currentkey[j] = scratch;
770 	}
771 
772 	/*
773 	 * Perform key equivalence checks, now that parity is properly set.
774 	 * 1st and 2nd keys must be unique, the 3rd key can be the same as
775 	 * the 1st key for the 2 key variant of 3DES.
776 	 */
777 	if (currentkey[0] == currentkey[1] || currentkey[1] == currentkey[2])
778 		return (B_FALSE);
779 
780 	if (corrected_key != NULL) {
781 		bcopy(currentkey, corrected_key, keysize);
782 	}
783 
784 /* EXPORT DELETE END */
785 	return (B_TRUE);
786 }
787 
788 boolean_t
789 des_keycheck(uint8_t *key, des_strength_t strength, uint8_t *corrected_key)
790 {
791 	if (strength == DES) {
792 		return (keycheck(key, corrected_key));
793 	} else if (strength == DES2) {
794 		return (des23_keycheck(key, corrected_key, B_FALSE));
795 	} else if (strength == DES3) {
796 		return (des23_keycheck(key, corrected_key, B_TRUE));
797 	} else {
798 		return (B_FALSE);
799 	}
800 }
801 
802 void
803 des_parity_fix(uint8_t *key, des_strength_t strength, uint8_t *corrected_key)
804 {
805 /* EXPORT DELETE START */
806 	uint64_t aligned_key[DES3_KEYSIZE / sizeof (uint64_t)];
807 	uint8_t *paritied_key;
808 	uint64_t key_so_far;
809 	int i = 0, offset = 0;
810 
811 	if (strength == DES)
812 		bcopy(key, aligned_key, DES_KEYSIZE);
813 	else
814 		bcopy(key, aligned_key, DES3_KEYSIZE);
815 
816 	paritied_key = (uint8_t *)aligned_key;
817 	while (strength > i) {
818 		offset = 8 * i;
819 #ifdef UNALIGNED_POINTERS_PERMITTED
820 		key_so_far = htonll(*(uint64_t *)(void *)&paritied_key[offset]);
821 #else
822 		key_so_far = (((uint64_t)paritied_key[offset + 0] << 56) |
823 		    ((uint64_t)paritied_key[offset + 1] << 48) |
824 		    ((uint64_t)paritied_key[offset + 2] << 40) |
825 		    ((uint64_t)paritied_key[offset + 3] << 32) |
826 		    ((uint64_t)paritied_key[offset + 4] << 24) |
827 		    ((uint64_t)paritied_key[offset + 5] << 16) |
828 		    ((uint64_t)paritied_key[offset + 6] << 8) |
829 		    (uint64_t)paritied_key[offset + 7]);
830 #endif	/* UNALIGNED_POINTERS_PERMITTED */
831 
832 		fix_des_parity(&key_so_far);
833 
834 #ifdef UNALIGNED_POINTERS_PERMITTED
835 		*(uint64_t *)(void *)&paritied_key[offset] = htonll(key_so_far);
836 #else
837 		paritied_key[offset + 0] = key_so_far >> 56;
838 		paritied_key[offset + 1] = key_so_far >> 48;
839 		paritied_key[offset + 2] = key_so_far >> 40;
840 		paritied_key[offset + 3] = key_so_far >> 32;
841 		paritied_key[offset + 4] = key_so_far >> 24;
842 		paritied_key[offset + 5] = key_so_far >> 16;
843 		paritied_key[offset + 6] = key_so_far >> 8;
844 		paritied_key[offset + 7] = (uint8_t)key_so_far;
845 #endif	/* UNALIGNED_POINTERS_PERMITTED */
846 
847 		i++;
848 	}
849 
850 	bcopy(paritied_key, corrected_key, DES_KEYSIZE * strength);
851 /* EXPORT DELETE END */
852 }
853 
854 
855 /*
856  * Initialize key schedule for DES, DES2, and DES3
857  */
858 void
859 des_init_keysched(uint8_t *cipherKey, des_strength_t strength, void *ks)
860 {
861 /* EXPORT DELETE START */
862 	uint64_t *encryption_ks;
863 	uint64_t *decryption_ks;
864 	uint64_t keysched[48];
865 	uint64_t key_uint64[3];
866 	uint64_t tmp;
867 	uint_t keysize, i, j;
868 
869 	switch (strength) {
870 	case DES:
871 		keysize = DES_KEYSIZE;
872 		encryption_ks = ((keysched_t *)ks)->ksch_encrypt;
873 		decryption_ks = ((keysched_t *)ks)->ksch_decrypt;
874 		break;
875 	case DES2:
876 		keysize = DES2_KEYSIZE;
877 		encryption_ks = ((keysched3_t *)ks)->ksch_encrypt;
878 		decryption_ks = ((keysched3_t *)ks)->ksch_decrypt;
879 		break;
880 	case DES3:
881 		keysize = DES3_KEYSIZE;
882 		encryption_ks = ((keysched3_t *)ks)->ksch_encrypt;
883 		decryption_ks = ((keysched3_t *)ks)->ksch_decrypt;
884 	}
885 
886 	/*
887 	 * The code below, that is always executed on LITTLE_ENDIAN machines,
888 	 * reverses every 8 bytes in the key.  On BIG_ENDIAN, the same code
889 	 * copies the key without reversing bytes.
890 	 */
891 #ifdef _BIG_ENDIAN
892 	if (IS_P2ALIGNED(cipherKey, sizeof (uint64_t))) {
893 		for (i = 0, j = 0; j < keysize; i++, j += 8) {
894 			/* LINTED: pointer alignment */
895 			key_uint64[i] = *((uint64_t *)&cipherKey[j]);
896 		}
897 	} else
898 #endif	/* _BIG_ENDIAN */
899 	{
900 		for (i = 0, j = 0; j < keysize; i++, j += 8) {
901 #ifdef UNALIGNED_POINTERS_PERMITTED
902 			key_uint64[i] =
903 			    htonll(*(uint64_t *)(void *)&cipherKey[j]);
904 #else
905 			key_uint64[i] = (((uint64_t)cipherKey[j] << 56) |
906 			    ((uint64_t)cipherKey[j + 1] << 48) |
907 			    ((uint64_t)cipherKey[j + 2] << 40) |
908 			    ((uint64_t)cipherKey[j + 3] << 32) |
909 			    ((uint64_t)cipherKey[j + 4] << 24) |
910 			    ((uint64_t)cipherKey[j + 5] << 16) |
911 			    ((uint64_t)cipherKey[j + 6] << 8) |
912 			    (uint64_t)cipherKey[j + 7]);
913 #endif	/* UNALIGNED_POINTERS_PERMITTED */
914 		}
915 	}
916 
917 	switch (strength) {
918 	case DES:
919 		des_ks(keysched, key_uint64[0]);
920 		break;
921 
922 	case DES2:
923 		/* DES2 is just DES3 with the first and third keys the same */
924 		bcopy(key_uint64, key_uint64 + 2, DES_KEYSIZE);
925 		/* FALLTHRU */
926 	case DES3:
927 		des_ks(keysched, key_uint64[0]);
928 		des_ks(keysched + 16, key_uint64[1]);
929 		for (i = 0; i < 8; i++) {
930 			tmp = keysched[16+i];
931 			keysched[16+i] = keysched[31-i];
932 			keysched[31-i] = tmp;
933 		}
934 		des_ks(keysched+32, key_uint64[2]);
935 		keysize = DES3_KEYSIZE;
936 	}
937 
938 	/* save the encryption keyschedule */
939 	bcopy(keysched, encryption_ks, keysize * 16);
940 
941 	/* reverse the key schedule */
942 	for (i = 0; i < keysize; i++) {
943 		tmp = keysched[i];
944 		keysched[i] = keysched[2 * keysize - 1 - i];
945 		keysched[2 * keysize -1 -i] = tmp;
946 	}
947 
948 	/* save the decryption keyschedule */
949 	bcopy(keysched, decryption_ks, keysize * 16);
950 /* EXPORT DELETE END */
951 }
952 
953 /*
954  * Allocate key schedule.
955  */
956 /*ARGSUSED*/
957 void *
958 des_alloc_keysched(size_t *keysched_size, des_strength_t strength, int kmflag)
959 {
960 	void *keysched;
961 
962 /* EXPORT DELETE START */
963 
964 	size_t size;
965 
966 	switch (strength) {
967 	case DES:
968 		size = sizeof (keysched_t);
969 		break;
970 	case DES2:
971 	case DES3:
972 		size = sizeof (keysched3_t);
973 	}
974 
975 #ifdef	_KERNEL
976 	keysched = (keysched_t *)kmem_alloc(size, kmflag);
977 #else	/* !_KERNEL */
978 	keysched = (keysched_t *)malloc(size);
979 #endif	/* _KERNEL */
980 
981 	if (keysched == NULL)
982 		return (NULL);
983 
984 	if (keysched_size != NULL)
985 		*keysched_size = size;
986 
987 /* EXPORT DELETE END */
988 
989 	return (keysched);
990 }
991 
992 /*
993  * Replace the LSB of each byte by the xor of the other
994  * 7 bits.  The tricky thing is that the original contents of the LSBs
995  * are nullified by including them twice in the xor computation.
996  */
997 static void
998 fix_des_parity(uint64_t *keyp)
999 {
1000 /* EXPORT DELETE START */
1001 	uint64_t k = *keyp;
1002 	k ^= k >> 1;
1003 	k ^= k >> 2;
1004 	k ^= k >> 4;
1005 	*keyp ^= (k & 0x0101010101010101ULL);
1006 	*keyp ^= 0x0101010101010101ULL;
1007 /* EXPORT DELETE END */
1008 }
1009 
1010 void
1011 des_copy_block(uint8_t *in, uint8_t *out)
1012 {
1013 	if (IS_P2ALIGNED(in, sizeof (uint32_t)) &&
1014 	    IS_P2ALIGNED(out, sizeof (uint32_t))) {
1015 		/* LINTED: pointer alignment */
1016 		*(uint32_t *)&out[0] = *(uint32_t *)&in[0];
1017 		/* LINTED: pointer alignment */
1018 		*(uint32_t *)&out[4] = *(uint32_t *)&in[4];
1019 	} else {
1020 		DES_COPY_BLOCK(in, out);
1021 	}
1022 }
1023 
1024 /* XOR block of data into dest */
1025 void
1026 des_xor_block(uint8_t *data, uint8_t *dst)
1027 {
1028 	if (IS_P2ALIGNED(dst, sizeof (uint32_t)) &&
1029 	    IS_P2ALIGNED(data, sizeof (uint32_t))) {
1030 		/* LINTED: pointer alignment */
1031 		*(uint32_t *)&dst[0] ^=
1032 		    /* LINTED: pointer alignment */
1033 		    *(uint32_t *)&data[0];
1034 		    /* LINTED: pointer alignment */
1035 		*(uint32_t *)&dst[4] ^=
1036 		    /* LINTED: pointer alignment */
1037 		    *(uint32_t *)&data[4];
1038 	} else {
1039 		DES_XOR_BLOCK(data, dst);
1040 	}
1041 }
1042 
1043 int
1044 des_encrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1045 {
1046 	return (des_crunch_block(keysched, in, out, B_FALSE));
1047 }
1048 
1049 int
1050 des3_encrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1051 {
1052 	return (des3_crunch_block(keysched, in, out, B_FALSE));
1053 }
1054 
1055 int
1056 des_decrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1057 {
1058 	return (des_crunch_block(keysched, in, out, B_TRUE));
1059 }
1060 
1061 int
1062 des3_decrypt_block(const void *keysched, const uint8_t *in, uint8_t *out)
1063 {
1064 	return (des3_crunch_block(keysched, in, out, B_TRUE));
1065 }
1066 
1067 /*
1068  * Encrypt multiple blocks of data according to mode.
1069  */
1070 int
1071 des_encrypt_contiguous_blocks(void *ctx, char *data, size_t length,
1072     crypto_data_t *out)
1073 {
1074 	des_ctx_t *des_ctx = ctx;
1075 	int rv;
1076 
1077 	if (des_ctx->dc_flags & DES3_STRENGTH) {
1078 		if (des_ctx->dc_flags & CBC_MODE) {
1079 			rv = cbc_encrypt_contiguous_blocks(ctx, data,
1080 			    length, out, DES_BLOCK_LEN, des3_encrypt_block,
1081 			    des_copy_block, des_xor_block);
1082 		} else {
1083 			rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1084 			    out, DES_BLOCK_LEN, des3_encrypt_block);
1085 		}
1086 	} else {
1087 		if (des_ctx->dc_flags & CBC_MODE) {
1088 			rv = cbc_encrypt_contiguous_blocks(ctx, data,
1089 			    length, out, DES_BLOCK_LEN, des_encrypt_block,
1090 			    des_copy_block, des_xor_block);
1091 		} else {
1092 			rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1093 			    out, DES_BLOCK_LEN, des_encrypt_block);
1094 		}
1095 	}
1096 	return (rv);
1097 }
1098 
1099 /*
1100  * Decrypt multiple blocks of data according to mode.
1101  */
1102 int
1103 des_decrypt_contiguous_blocks(void *ctx, char *data, size_t length,
1104     crypto_data_t *out)
1105 {
1106 	des_ctx_t *des_ctx = ctx;
1107 	int rv;
1108 
1109 	if (des_ctx->dc_flags & DES3_STRENGTH) {
1110 		if (des_ctx->dc_flags & CBC_MODE) {
1111 			rv = cbc_decrypt_contiguous_blocks(ctx, data,
1112 			    length, out, DES_BLOCK_LEN, des3_decrypt_block,
1113 			    des_copy_block, des_xor_block);
1114 		} else {
1115 			rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1116 			    out, DES_BLOCK_LEN, des3_decrypt_block);
1117 			if (rv == CRYPTO_DATA_LEN_RANGE)
1118 				rv = CRYPTO_ENCRYPTED_DATA_LEN_RANGE;
1119 		}
1120 	} else {
1121 		if (des_ctx->dc_flags & CBC_MODE) {
1122 			rv = cbc_decrypt_contiguous_blocks(ctx, data,
1123 			    length, out, DES_BLOCK_LEN, des_decrypt_block,
1124 			    des_copy_block, des_xor_block);
1125 		} else {
1126 			rv = ecb_cipher_contiguous_blocks(ctx, data, length,
1127 			    out, DES_BLOCK_LEN, des_decrypt_block);
1128 			if (rv == CRYPTO_DATA_LEN_RANGE)
1129 				rv = CRYPTO_ENCRYPTED_DATA_LEN_RANGE;
1130 		}
1131 	}
1132 	return (rv);
1133 }
1134