xref: /titanic_50/usr/src/common/crypto/blowfish/blowfish_impl.c (revision a90d965d832a5578dbfc2eadd1617e8cccf25264)
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 /*
30  * Blowfish encryption/decryption and keyschedule code.
31  */
32 
33 #include <sys/types.h>
34 #include <sys/systm.h>
35 #include <sys/ddi.h>
36 #include <sys/sysmacros.h>
37 #include <sys/strsun.h>
38 #include <sys/note.h>
39 #include <sys/byteorder.h>
40 #include <sys/crypto/common.h>
41 #include "blowfish_impl.h"
42 
43 #ifdef _KERNEL
44 
45 #define	BLOWFISH_ASSERT(x)	ASSERT(x)
46 
47 #else /* !_KERNEL */
48 
49 #include <strings.h>
50 #include <stdlib.h>
51 #define	BLOWFISH_ASSERT(x)
52 
53 #endif /* _KERNEL */
54 
55 /* EXPORT DELETE START */
56 
57 /*
58  * Blowfish initial P box and S boxes, derived from the hex digits of PI.
59  *
60  * NOTE:  S boxes are placed into one large array.
61  */
62 static const uint32_t init_P[] = {
63 	0x243f6a88U, 0x85a308d3U, 0x13198a2eU,
64 	0x03707344U, 0xa4093822U, 0x299f31d0U,
65 	0x082efa98U, 0xec4e6c89U, 0x452821e6U,
66 	0x38d01377U, 0xbe5466cfU, 0x34e90c6cU,
67 	0xc0ac29b7U, 0xc97c50ddU, 0x3f84d5b5U,
68 	0xb5470917U, 0x9216d5d9U, 0x8979fb1bU
69 };
70 
71 static const uint32_t init_S[] = {
72 	/* S-Box 0. */
73 	0xd1310ba6U, 0x98dfb5acU, 0x2ffd72dbU, 0xd01adfb7U,
74 	0xb8e1afedU, 0x6a267e96U, 0xba7c9045U, 0xf12c7f99U,
75 	0x24a19947U, 0xb3916cf7U, 0x0801f2e2U, 0x858efc16U,
76 	0x636920d8U, 0x71574e69U, 0xa458fea3U, 0xf4933d7eU,
77 	0x0d95748fU, 0x728eb658U, 0x718bcd58U, 0x82154aeeU,
78 	0x7b54a41dU, 0xc25a59b5U, 0x9c30d539U, 0x2af26013U,
79 	0xc5d1b023U, 0x286085f0U, 0xca417918U, 0xb8db38efU,
80 	0x8e79dcb0U, 0x603a180eU, 0x6c9e0e8bU, 0xb01e8a3eU,
81 	0xd71577c1U, 0xbd314b27U, 0x78af2fdaU, 0x55605c60U,
82 	0xe65525f3U, 0xaa55ab94U, 0x57489862U, 0x63e81440U,
83 	0x55ca396aU, 0x2aab10b6U, 0xb4cc5c34U, 0x1141e8ceU,
84 	0xa15486afU, 0x7c72e993U, 0xb3ee1411U, 0x636fbc2aU,
85 	0x2ba9c55dU, 0x741831f6U, 0xce5c3e16U, 0x9b87931eU,
86 	0xafd6ba33U, 0x6c24cf5cU, 0x7a325381U, 0x28958677U,
87 	0x3b8f4898U, 0x6b4bb9afU, 0xc4bfe81bU, 0x66282193U,
88 	0x61d809ccU, 0xfb21a991U, 0x487cac60U, 0x5dec8032U,
89 	0xef845d5dU, 0xe98575b1U, 0xdc262302U, 0xeb651b88U,
90 	0x23893e81U, 0xd396acc5U, 0x0f6d6ff3U, 0x83f44239U,
91 	0x2e0b4482U, 0xa4842004U, 0x69c8f04aU, 0x9e1f9b5eU,
92 	0x21c66842U, 0xf6e96c9aU, 0x670c9c61U, 0xabd388f0U,
93 	0x6a51a0d2U, 0xd8542f68U, 0x960fa728U, 0xab5133a3U,
94 	0x6eef0b6cU, 0x137a3be4U, 0xba3bf050U, 0x7efb2a98U,
95 	0xa1f1651dU, 0x39af0176U, 0x66ca593eU, 0x82430e88U,
96 	0x8cee8619U, 0x456f9fb4U, 0x7d84a5c3U, 0x3b8b5ebeU,
97 	0xe06f75d8U, 0x85c12073U, 0x401a449fU, 0x56c16aa6U,
98 	0x4ed3aa62U, 0x363f7706U, 0x1bfedf72U, 0x429b023dU,
99 	0x37d0d724U, 0xd00a1248U, 0xdb0fead3U, 0x49f1c09bU,
100 	0x075372c9U, 0x80991b7bU, 0x25d479d8U, 0xf6e8def7U,
101 	0xe3fe501aU, 0xb6794c3bU, 0x976ce0bdU, 0x04c006baU,
102 	0xc1a94fb6U, 0x409f60c4U, 0x5e5c9ec2U, 0x196a2463U,
103 	0x68fb6fafU, 0x3e6c53b5U, 0x1339b2ebU, 0x3b52ec6fU,
104 	0x6dfc511fU, 0x9b30952cU, 0xcc814544U, 0xaf5ebd09U,
105 	0xbee3d004U, 0xde334afdU, 0x660f2807U, 0x192e4bb3U,
106 	0xc0cba857U, 0x45c8740fU, 0xd20b5f39U, 0xb9d3fbdbU,
107 	0x5579c0bdU, 0x1a60320aU, 0xd6a100c6U, 0x402c7279U,
108 	0x679f25feU, 0xfb1fa3ccU, 0x8ea5e9f8U, 0xdb3222f8U,
109 	0x3c7516dfU, 0xfd616b15U, 0x2f501ec8U, 0xad0552abU,
110 	0x323db5faU, 0xfd238760U, 0x53317b48U, 0x3e00df82U,
111 	0x9e5c57bbU, 0xca6f8ca0U, 0x1a87562eU, 0xdf1769dbU,
112 	0xd542a8f6U, 0x287effc3U, 0xac6732c6U, 0x8c4f5573U,
113 	0x695b27b0U, 0xbbca58c8U, 0xe1ffa35dU, 0xb8f011a0U,
114 	0x10fa3d98U, 0xfd2183b8U, 0x4afcb56cU, 0x2dd1d35bU,
115 	0x9a53e479U, 0xb6f84565U, 0xd28e49bcU, 0x4bfb9790U,
116 	0xe1ddf2daU, 0xa4cb7e33U, 0x62fb1341U, 0xcee4c6e8U,
117 	0xef20cadaU, 0x36774c01U, 0xd07e9efeU, 0x2bf11fb4U,
118 	0x95dbda4dU, 0xae909198U, 0xeaad8e71U, 0x6b93d5a0U,
119 	0xd08ed1d0U, 0xafc725e0U, 0x8e3c5b2fU, 0x8e7594b7U,
120 	0x8ff6e2fbU, 0xf2122b64U, 0x8888b812U, 0x900df01cU,
121 	0x4fad5ea0U, 0x688fc31cU, 0xd1cff191U, 0xb3a8c1adU,
122 	0x2f2f2218U, 0xbe0e1777U, 0xea752dfeU, 0x8b021fa1U,
123 	0xe5a0cc0fU, 0xb56f74e8U, 0x18acf3d6U, 0xce89e299U,
124 	0xb4a84fe0U, 0xfd13e0b7U, 0x7cc43b81U, 0xd2ada8d9U,
125 	0x165fa266U, 0x80957705U, 0x93cc7314U, 0x211a1477U,
126 	0xe6ad2065U, 0x77b5fa86U, 0xc75442f5U, 0xfb9d35cfU,
127 	0xebcdaf0cU, 0x7b3e89a0U, 0xd6411bd3U, 0xae1e7e49U,
128 	0x00250e2dU, 0x2071b35eU, 0x226800bbU, 0x57b8e0afU,
129 	0x2464369bU, 0xf009b91eU, 0x5563911dU, 0x59dfa6aaU,
130 	0x78c14389U, 0xd95a537fU, 0x207d5ba2U, 0x02e5b9c5U,
131 	0x83260376U, 0x6295cfa9U, 0x11c81968U, 0x4e734a41U,
132 	0xb3472dcaU, 0x7b14a94aU, 0x1b510052U, 0x9a532915U,
133 	0xd60f573fU, 0xbc9bc6e4U, 0x2b60a476U, 0x81e67400U,
134 	0x08ba6fb5U, 0x571be91fU, 0xf296ec6bU, 0x2a0dd915U,
135 	0xb6636521U, 0xe7b9f9b6U, 0xff34052eU, 0xc5855664U,
136 	0x53b02d5dU, 0xa99f8fa1U, 0x08ba4799U, 0x6e85076aU,
137 
138 	/* S-Box 1. */
139 	0x4b7a70e9U, 0xb5b32944U, 0xdb75092eU, 0xc4192623U,
140 	0xad6ea6b0U, 0x49a7df7dU, 0x9cee60b8U, 0x8fedb266U,
141 	0xecaa8c71U, 0x699a17ffU, 0x5664526cU, 0xc2b19ee1U,
142 	0x193602a5U, 0x75094c29U, 0xa0591340U, 0xe4183a3eU,
143 	0x3f54989aU, 0x5b429d65U, 0x6b8fe4d6U, 0x99f73fd6U,
144 	0xa1d29c07U, 0xefe830f5U, 0x4d2d38e6U, 0xf0255dc1U,
145 	0x4cdd2086U, 0x8470eb26U, 0x6382e9c6U, 0x021ecc5eU,
146 	0x09686b3fU, 0x3ebaefc9U, 0x3c971814U, 0x6b6a70a1U,
147 	0x687f3584U, 0x52a0e286U, 0xb79c5305U, 0xaa500737U,
148 	0x3e07841cU, 0x7fdeae5cU, 0x8e7d44ecU, 0x5716f2b8U,
149 	0xb03ada37U, 0xf0500c0dU, 0xf01c1f04U, 0x0200b3ffU,
150 	0xae0cf51aU, 0x3cb574b2U, 0x25837a58U, 0xdc0921bdU,
151 	0xd19113f9U, 0x7ca92ff6U, 0x94324773U, 0x22f54701U,
152 	0x3ae5e581U, 0x37c2dadcU, 0xc8b57634U, 0x9af3dda7U,
153 	0xa9446146U, 0x0fd0030eU, 0xecc8c73eU, 0xa4751e41U,
154 	0xe238cd99U, 0x3bea0e2fU, 0x3280bba1U, 0x183eb331U,
155 	0x4e548b38U, 0x4f6db908U, 0x6f420d03U, 0xf60a04bfU,
156 	0x2cb81290U, 0x24977c79U, 0x5679b072U, 0xbcaf89afU,
157 	0xde9a771fU, 0xd9930810U, 0xb38bae12U, 0xdccf3f2eU,
158 	0x5512721fU, 0x2e6b7124U, 0x501adde6U, 0x9f84cd87U,
159 	0x7a584718U, 0x7408da17U, 0xbc9f9abcU, 0xe94b7d8cU,
160 	0xec7aec3aU, 0xdb851dfaU, 0x63094366U, 0xc464c3d2U,
161 	0xef1c1847U, 0x3215d908U, 0xdd433b37U, 0x24c2ba16U,
162 	0x12a14d43U, 0x2a65c451U, 0x50940002U, 0x133ae4ddU,
163 	0x71dff89eU, 0x10314e55U, 0x81ac77d6U, 0x5f11199bU,
164 	0x043556f1U, 0xd7a3c76bU, 0x3c11183bU, 0x5924a509U,
165 	0xf28fe6edU, 0x97f1fbfaU, 0x9ebabf2cU, 0x1e153c6eU,
166 	0x86e34570U, 0xeae96fb1U, 0x860e5e0aU, 0x5a3e2ab3U,
167 	0x771fe71cU, 0x4e3d06faU, 0x2965dcb9U, 0x99e71d0fU,
168 	0x803e89d6U, 0x5266c825U, 0x2e4cc978U, 0x9c10b36aU,
169 	0xc6150ebaU, 0x94e2ea78U, 0xa5fc3c53U, 0x1e0a2df4U,
170 	0xf2f74ea7U, 0x361d2b3dU, 0x1939260fU, 0x19c27960U,
171 	0x5223a708U, 0xf71312b6U, 0xebadfe6eU, 0xeac31f66U,
172 	0xe3bc4595U, 0xa67bc883U, 0xb17f37d1U, 0x018cff28U,
173 	0xc332ddefU, 0xbe6c5aa5U, 0x65582185U, 0x68ab9802U,
174 	0xeecea50fU, 0xdb2f953bU, 0x2aef7dadU, 0x5b6e2f84U,
175 	0x1521b628U, 0x29076170U, 0xecdd4775U, 0x619f1510U,
176 	0x13cca830U, 0xeb61bd96U, 0x0334fe1eU, 0xaa0363cfU,
177 	0xb5735c90U, 0x4c70a239U, 0xd59e9e0bU, 0xcbaade14U,
178 	0xeecc86bcU, 0x60622ca7U, 0x9cab5cabU, 0xb2f3846eU,
179 	0x648b1eafU, 0x19bdf0caU, 0xa02369b9U, 0x655abb50U,
180 	0x40685a32U, 0x3c2ab4b3U, 0x319ee9d5U, 0xc021b8f7U,
181 	0x9b540b19U, 0x875fa099U, 0x95f7997eU, 0x623d7da8U,
182 	0xf837889aU, 0x97e32d77U, 0x11ed935fU, 0x16681281U,
183 	0x0e358829U, 0xc7e61fd6U, 0x96dedfa1U, 0x7858ba99U,
184 	0x57f584a5U, 0x1b227263U, 0x9b83c3ffU, 0x1ac24696U,
185 	0xcdb30aebU, 0x532e3054U, 0x8fd948e4U, 0x6dbc3128U,
186 	0x58ebf2efU, 0x34c6ffeaU, 0xfe28ed61U, 0xee7c3c73U,
187 	0x5d4a14d9U, 0xe864b7e3U, 0x42105d14U, 0x203e13e0U,
188 	0x45eee2b6U, 0xa3aaabeaU, 0xdb6c4f15U, 0xfacb4fd0U,
189 	0xc742f442U, 0xef6abbb5U, 0x654f3b1dU, 0x41cd2105U,
190 	0xd81e799eU, 0x86854dc7U, 0xe44b476aU, 0x3d816250U,
191 	0xcf62a1f2U, 0x5b8d2646U, 0xfc8883a0U, 0xc1c7b6a3U,
192 	0x7f1524c3U, 0x69cb7492U, 0x47848a0bU, 0x5692b285U,
193 	0x095bbf00U, 0xad19489dU, 0x1462b174U, 0x23820e00U,
194 	0x58428d2aU, 0x0c55f5eaU, 0x1dadf43eU, 0x233f7061U,
195 	0x3372f092U, 0x8d937e41U, 0xd65fecf1U, 0x6c223bdbU,
196 	0x7cde3759U, 0xcbee7460U, 0x4085f2a7U, 0xce77326eU,
197 	0xa6078084U, 0x19f8509eU, 0xe8efd855U, 0x61d99735U,
198 	0xa969a7aaU, 0xc50c06c2U, 0x5a04abfcU, 0x800bcadcU,
199 	0x9e447a2eU, 0xc3453484U, 0xfdd56705U, 0x0e1e9ec9U,
200 	0xdb73dbd3U, 0x105588cdU, 0x675fda79U, 0xe3674340U,
201 	0xc5c43465U, 0x713e38d8U, 0x3d28f89eU, 0xf16dff20U,
202 	0x153e21e7U, 0x8fb03d4aU, 0xe6e39f2bU, 0xdb83adf7U,
203 
204 	/* S-Box 2. */
205 	0xe93d5a68U, 0x948140f7U, 0xf64c261cU, 0x94692934U,
206 	0x411520f7U, 0x7602d4f7U, 0xbcf46b2eU, 0xd4a20068U,
207 	0xd4082471U, 0x3320f46aU, 0x43b7d4b7U, 0x500061afU,
208 	0x1e39f62eU, 0x97244546U, 0x14214f74U, 0xbf8b8840U,
209 	0x4d95fc1dU, 0x96b591afU, 0x70f4ddd3U, 0x66a02f45U,
210 	0xbfbc09ecU, 0x03bd9785U, 0x7fac6dd0U, 0x31cb8504U,
211 	0x96eb27b3U, 0x55fd3941U, 0xda2547e6U, 0xabca0a9aU,
212 	0x28507825U, 0x530429f4U, 0x0a2c86daU, 0xe9b66dfbU,
213 	0x68dc1462U, 0xd7486900U, 0x680ec0a4U, 0x27a18deeU,
214 	0x4f3ffea2U, 0xe887ad8cU, 0xb58ce006U, 0x7af4d6b6U,
215 	0xaace1e7cU, 0xd3375fecU, 0xce78a399U, 0x406b2a42U,
216 	0x20fe9e35U, 0xd9f385b9U, 0xee39d7abU, 0x3b124e8bU,
217 	0x1dc9faf7U, 0x4b6d1856U, 0x26a36631U, 0xeae397b2U,
218 	0x3a6efa74U, 0xdd5b4332U, 0x6841e7f7U, 0xca7820fbU,
219 	0xfb0af54eU, 0xd8feb397U, 0x454056acU, 0xba489527U,
220 	0x55533a3aU, 0x20838d87U, 0xfe6ba9b7U, 0xd096954bU,
221 	0x55a867bcU, 0xa1159a58U, 0xcca92963U, 0x99e1db33U,
222 	0xa62a4a56U, 0x3f3125f9U, 0x5ef47e1cU, 0x9029317cU,
223 	0xfdf8e802U, 0x04272f70U, 0x80bb155cU, 0x05282ce3U,
224 	0x95c11548U, 0xe4c66d22U, 0x48c1133fU, 0xc70f86dcU,
225 	0x07f9c9eeU, 0x41041f0fU, 0x404779a4U, 0x5d886e17U,
226 	0x325f51ebU, 0xd59bc0d1U, 0xf2bcc18fU, 0x41113564U,
227 	0x257b7834U, 0x602a9c60U, 0xdff8e8a3U, 0x1f636c1bU,
228 	0x0e12b4c2U, 0x02e1329eU, 0xaf664fd1U, 0xcad18115U,
229 	0x6b2395e0U, 0x333e92e1U, 0x3b240b62U, 0xeebeb922U,
230 	0x85b2a20eU, 0xe6ba0d99U, 0xde720c8cU, 0x2da2f728U,
231 	0xd0127845U, 0x95b794fdU, 0x647d0862U, 0xe7ccf5f0U,
232 	0x5449a36fU, 0x877d48faU, 0xc39dfd27U, 0xf33e8d1eU,
233 	0x0a476341U, 0x992eff74U, 0x3a6f6eabU, 0xf4f8fd37U,
234 	0xa812dc60U, 0xa1ebddf8U, 0x991be14cU, 0xdb6e6b0dU,
235 	0xc67b5510U, 0x6d672c37U, 0x2765d43bU, 0xdcd0e804U,
236 	0xf1290dc7U, 0xcc00ffa3U, 0xb5390f92U, 0x690fed0bU,
237 	0x667b9ffbU, 0xcedb7d9cU, 0xa091cf0bU, 0xd9155ea3U,
238 	0xbb132f88U, 0x515bad24U, 0x7b9479bfU, 0x763bd6ebU,
239 	0x37392eb3U, 0xcc115979U, 0x8026e297U, 0xf42e312dU,
240 	0x6842ada7U, 0xc66a2b3bU, 0x12754cccU, 0x782ef11cU,
241 	0x6a124237U, 0xb79251e7U, 0x06a1bbe6U, 0x4bfb6350U,
242 	0x1a6b1018U, 0x11caedfaU, 0x3d25bdd8U, 0xe2e1c3c9U,
243 	0x44421659U, 0x0a121386U, 0xd90cec6eU, 0xd5abea2aU,
244 	0x64af674eU, 0xda86a85fU, 0xbebfe988U, 0x64e4c3feU,
245 	0x9dbc8057U, 0xf0f7c086U, 0x60787bf8U, 0x6003604dU,
246 	0xd1fd8346U, 0xf6381fb0U, 0x7745ae04U, 0xd736fcccU,
247 	0x83426b33U, 0xf01eab71U, 0xb0804187U, 0x3c005e5fU,
248 	0x77a057beU, 0xbde8ae24U, 0x55464299U, 0xbf582e61U,
249 	0x4e58f48fU, 0xf2ddfda2U, 0xf474ef38U, 0x8789bdc2U,
250 	0x5366f9c3U, 0xc8b38e74U, 0xb475f255U, 0x46fcd9b9U,
251 	0x7aeb2661U, 0x8b1ddf84U, 0x846a0e79U, 0x915f95e2U,
252 	0x466e598eU, 0x20b45770U, 0x8cd55591U, 0xc902de4cU,
253 	0xb90bace1U, 0xbb8205d0U, 0x11a86248U, 0x7574a99eU,
254 	0xb77f19b6U, 0xe0a9dc09U, 0x662d09a1U, 0xc4324633U,
255 	0xe85a1f02U, 0x09f0be8cU, 0x4a99a025U, 0x1d6efe10U,
256 	0x1ab93d1dU, 0x0ba5a4dfU, 0xa186f20fU, 0x2868f169U,
257 	0xdcb7da83U, 0x573906feU, 0xa1e2ce9bU, 0x4fcd7f52U,
258 	0x50115e01U, 0xa70683faU, 0xa002b5c4U, 0x0de6d027U,
259 	0x9af88c27U, 0x773f8641U, 0xc3604c06U, 0x61a806b5U,
260 	0xf0177a28U, 0xc0f586e0U, 0x006058aaU, 0x30dc7d62U,
261 	0x11e69ed7U, 0x2338ea63U, 0x53c2dd94U, 0xc2c21634U,
262 	0xbbcbee56U, 0x90bcb6deU, 0xebfc7da1U, 0xce591d76U,
263 	0x6f05e409U, 0x4b7c0188U, 0x39720a3dU, 0x7c927c24U,
264 	0x86e3725fU, 0x724d9db9U, 0x1ac15bb4U, 0xd39eb8fcU,
265 	0xed545578U, 0x08fca5b5U, 0xd83d7cd3U, 0x4dad0fc4U,
266 	0x1e50ef5eU, 0xb161e6f8U, 0xa28514d9U, 0x6c51133cU,
267 	0x6fd5c7e7U, 0x56e14ec4U, 0x362abfceU, 0xddc6c837U,
268 	0xd79a3234U, 0x92638212U, 0x670efa8eU, 0x406000e0U,
269 
270 	/* S-Box 3. */
271 	0x3a39ce37U, 0xd3faf5cfU, 0xabc27737U, 0x5ac52d1bU,
272 	0x5cb0679eU, 0x4fa33742U, 0xd3822740U, 0x99bc9bbeU,
273 	0xd5118e9dU, 0xbf0f7315U, 0xd62d1c7eU, 0xc700c47bU,
274 	0xb78c1b6bU, 0x21a19045U, 0xb26eb1beU, 0x6a366eb4U,
275 	0x5748ab2fU, 0xbc946e79U, 0xc6a376d2U, 0x6549c2c8U,
276 	0x530ff8eeU, 0x468dde7dU, 0xd5730a1dU, 0x4cd04dc6U,
277 	0x2939bbdbU, 0xa9ba4650U, 0xac9526e8U, 0xbe5ee304U,
278 	0xa1fad5f0U, 0x6a2d519aU, 0x63ef8ce2U, 0x9a86ee22U,
279 	0xc089c2b8U, 0x43242ef6U, 0xa51e03aaU, 0x9cf2d0a4U,
280 	0x83c061baU, 0x9be96a4dU, 0x8fe51550U, 0xba645bd6U,
281 	0x2826a2f9U, 0xa73a3ae1U, 0x4ba99586U, 0xef5562e9U,
282 	0xc72fefd3U, 0xf752f7daU, 0x3f046f69U, 0x77fa0a59U,
283 	0x80e4a915U, 0x87b08601U, 0x9b09e6adU, 0x3b3ee593U,
284 	0xe990fd5aU, 0x9e34d797U, 0x2cf0b7d9U, 0x022b8b51U,
285 	0x96d5ac3aU, 0x017da67dU, 0xd1cf3ed6U, 0x7c7d2d28U,
286 	0x1f9f25cfU, 0xadf2b89bU, 0x5ad6b472U, 0x5a88f54cU,
287 	0xe029ac71U, 0xe019a5e6U, 0x47b0acfdU, 0xed93fa9bU,
288 	0xe8d3c48dU, 0x283b57ccU, 0xf8d56629U, 0x79132e28U,
289 	0x785f0191U, 0xed756055U, 0xf7960e44U, 0xe3d35e8cU,
290 	0x15056dd4U, 0x88f46dbaU, 0x03a16125U, 0x0564f0bdU,
291 	0xc3eb9e15U, 0x3c9057a2U, 0x97271aecU, 0xa93a072aU,
292 	0x1b3f6d9bU, 0x1e6321f5U, 0xf59c66fbU, 0x26dcf319U,
293 	0x7533d928U, 0xb155fdf5U, 0x03563482U, 0x8aba3cbbU,
294 	0x28517711U, 0xc20ad9f8U, 0xabcc5167U, 0xccad925fU,
295 	0x4de81751U, 0x3830dc8eU, 0x379d5862U, 0x9320f991U,
296 	0xea7a90c2U, 0xfb3e7bceU, 0x5121ce64U, 0x774fbe32U,
297 	0xa8b6e37eU, 0xc3293d46U, 0x48de5369U, 0x6413e680U,
298 	0xa2ae0810U, 0xdd6db224U, 0x69852dfdU, 0x09072166U,
299 	0xb39a460aU, 0x6445c0ddU, 0x586cdecfU, 0x1c20c8aeU,
300 	0x5bbef7ddU, 0x1b588d40U, 0xccd2017fU, 0x6bb4e3bbU,
301 	0xdda26a7eU, 0x3a59ff45U, 0x3e350a44U, 0xbcb4cdd5U,
302 	0x72eacea8U, 0xfa6484bbU, 0x8d6612aeU, 0xbf3c6f47U,
303 	0xd29be463U, 0x542f5d9eU, 0xaec2771bU, 0xf64e6370U,
304 	0x740e0d8dU, 0xe75b1357U, 0xf8721671U, 0xaf537d5dU,
305 	0x4040cb08U, 0x4eb4e2ccU, 0x34d2466aU, 0x0115af84U,
306 	0xe1b00428U, 0x95983a1dU, 0x06b89fb4U, 0xce6ea048U,
307 	0x6f3f3b82U, 0x3520ab82U, 0x011a1d4bU, 0x277227f8U,
308 	0x611560b1U, 0xe7933fdcU, 0xbb3a792bU, 0x344525bdU,
309 	0xa08839e1U, 0x51ce794bU, 0x2f32c9b7U, 0xa01fbac9U,
310 	0xe01cc87eU, 0xbcc7d1f6U, 0xcf0111c3U, 0xa1e8aac7U,
311 	0x1a908749U, 0xd44fbd9aU, 0xd0dadecbU, 0xd50ada38U,
312 	0x0339c32aU, 0xc6913667U, 0x8df9317cU, 0xe0b12b4fU,
313 	0xf79e59b7U, 0x43f5bb3aU, 0xf2d519ffU, 0x27d9459cU,
314 	0xbf97222cU, 0x15e6fc2aU, 0x0f91fc71U, 0x9b941525U,
315 	0xfae59361U, 0xceb69cebU, 0xc2a86459U, 0x12baa8d1U,
316 	0xb6c1075eU, 0xe3056a0cU, 0x10d25065U, 0xcb03a442U,
317 	0xe0ec6e0eU, 0x1698db3bU, 0x4c98a0beU, 0x3278e964U,
318 	0x9f1f9532U, 0xe0d392dfU, 0xd3a0342bU, 0x8971f21eU,
319 	0x1b0a7441U, 0x4ba3348cU, 0xc5be7120U, 0xc37632d8U,
320 	0xdf359f8dU, 0x9b992f2eU, 0xe60b6f47U, 0x0fe3f11dU,
321 	0xe54cda54U, 0x1edad891U, 0xce6279cfU, 0xcd3e7e6fU,
322 	0x1618b166U, 0xfd2c1d05U, 0x848fd2c5U, 0xf6fb2299U,
323 	0xf523f357U, 0xa6327623U, 0x93a83531U, 0x56cccd02U,
324 	0xacf08162U, 0x5a75ebb5U, 0x6e163697U, 0x88d273ccU,
325 	0xde966292U, 0x81b949d0U, 0x4c50901bU, 0x71c65614U,
326 	0xe6c6c7bdU, 0x327a140aU, 0x45e1d006U, 0xc3f27b9aU,
327 	0xc9aa53fdU, 0x62a80f00U, 0xbb25bfe2U, 0x35bdd2f6U,
328 	0x71126905U, 0xb2040222U, 0xb6cbcf7cU, 0xcd769c2bU,
329 	0x53113ec0U, 0x1640e3d3U, 0x38abbd60U, 0x2547adf0U,
330 	0xba38209cU, 0xf746ce76U, 0x77afa1c5U, 0x20756060U,
331 	0x85cbfe4eU, 0x8ae88dd8U, 0x7aaaf9b0U, 0x4cf9aa7eU,
332 	0x1948c25cU, 0x02fb8a8cU, 0x01c36ae4U, 0xd6ebe1f9U,
333 	0x90d4f869U, 0xa65cdea0U, 0x3f09252dU, 0xc208e69fU,
334 	0xb74e6132U, 0xce77e25bU, 0x578fdfe3U, 0x3ac372e6U,
335 };
336 
337 typedef struct keysched_s {
338 	uint32_t ksch_S[1024];	/* The 4 S boxes are 256 32-bit words. */
339 	uint32_t ksch_P[18];	/* P box is 18 32-bit words. */
340 } keysched_t;
341 
342 /*
343  * Since ROUND() is a macro, make sure that the things inside can be
344  * evaluated more than once.  Especially when calling F().
345  * Assume the presence of local variables:
346  *
347  *	uint32_t *P;
348  *	uint32_t *S;
349  *	uint32_t tmp;
350  *
351  *
352  * And to Microsoft interview survivors out there, perhaps I should do the
353  * XOR swap trick, or at least #ifdef (__i386) the tmp = ... = tmp; stuff.
354  */
355 
356 #define	F(word) \
357 	(((S[(word >> 24) & 0xff] + S[256 + ((word >> 16) & 0xff)]) ^ \
358 		S[512 + ((word >> 8) & 0xff)]) + S[768 + (word & 0xff)])
359 
360 #define	ROUND(left, right, i) \
361 	(left) ^= P[i]; \
362 	(right) ^= F((left)); \
363 	tmp = (left); \
364 	(left) = (right); \
365 	(right) = tmp;
366 
367 /* EXPORT DELETE END */
368 
369 /*
370  * Encrypt a block of data.  Because of addition operations, convert blocks
371  * to their big-endian representation, even on Intel boxen.
372  */
373 void
374 blowfish_encrypt_block(void *cookie, uint8_t *block, uint8_t *out_block)
375 {
376 /* EXPORT DELETE START */
377 	keysched_t *ksch = (keysched_t *)cookie;
378 
379 	uint32_t left, right, tmp;
380 	uint32_t *P = ksch->ksch_P;
381 	uint32_t *S = ksch->ksch_S;
382 #ifdef _BIG_ENDIAN
383 	uint32_t *b32;
384 
385 	if (IS_P2ALIGNED(block, sizeof (uint32_t))) {
386 		/* LINTED:  pointer alignment */
387 		b32 = (uint32_t *)block;
388 		left = b32[0];
389 		right = b32[1];
390 	} else {
391 #endif
392 	/*
393 	 * Read input block and place in left/right in big-endian order.
394 	 */
395 	left = ((uint32_t)block[0] << 24)
396 	    | ((uint32_t)block[1] << 16)
397 	    | ((uint32_t)block[2] << 8)
398 	    | (uint32_t)block[3];
399 	right = ((uint32_t)block[4] << 24)
400 	    | ((uint32_t)block[5] << 16)
401 	    | ((uint32_t)block[6] << 8)
402 	    | (uint32_t)block[7];
403 #ifdef _BIG_ENDIAN
404 	}
405 #endif
406 
407 	ROUND(left, right, 0);
408 	ROUND(left, right, 1);
409 	ROUND(left, right, 2);
410 	ROUND(left, right, 3);
411 	ROUND(left, right, 4);
412 	ROUND(left, right, 5);
413 	ROUND(left, right, 6);
414 	ROUND(left, right, 7);
415 	ROUND(left, right, 8);
416 	ROUND(left, right, 9);
417 	ROUND(left, right, 10);
418 	ROUND(left, right, 11);
419 	ROUND(left, right, 12);
420 	ROUND(left, right, 13);
421 	ROUND(left, right, 14);
422 	ROUND(left, right, 15);
423 
424 	tmp = left;
425 	left = right;
426 	right = tmp;
427 	right ^= P[16];
428 	left ^= P[17];
429 
430 #ifdef _BIG_ENDIAN
431 	if (IS_P2ALIGNED(out_block, sizeof (uint32_t))) {
432 		/* LINTED:  pointer alignment */
433 		b32 = (uint32_t *)out_block;
434 		b32[0] = left;
435 		b32[1] = right;
436 	} else {
437 #endif
438 	/* Put the block back into the user's block with final swap */
439 	out_block[0] = left >> 24;
440 	out_block[1] = left >> 16;
441 	out_block[2] = left >> 8;
442 	out_block[3] = left;
443 	out_block[4] = right >> 24;
444 	out_block[5] = right >> 16;
445 	out_block[6] = right >> 8;
446 	out_block[7] = right;
447 #ifdef _BIG_ENDIAN
448 	}
449 #endif
450 /* EXPORT DELETE END */
451 }
452 
453 /*
454  * Decrypt a block of data.  Because of addition operations, convert blocks
455  * to their big-endian representation, even on Intel boxen.
456  * It should look like the blowfish_encrypt_block() operation
457  * except for the order in which the S/P boxes are accessed.
458  */
459 void
460 blowfish_decrypt_block(void *cookie, uint8_t *block, uint8_t *out_block)
461 {
462 /* EXPORT DELETE START */
463 	keysched_t *ksch = (keysched_t *)cookie;
464 
465 	uint32_t left, right, tmp;
466 	uint32_t *P = ksch->ksch_P;
467 	uint32_t *S = ksch->ksch_S;
468 #ifdef _BIG_ENDIAN
469 	uint32_t *b32;
470 
471 	if (IS_P2ALIGNED(block, sizeof (uint32_t))) {
472 		/* LINTED:  pointer alignment */
473 		b32 = (uint32_t *)block;
474 		left = b32[0];
475 		right = b32[1];
476 	} else {
477 #endif
478 	/*
479 	 * Read input block and place in left/right in big-endian order.
480 	 */
481 	left = ((uint32_t)block[0] << 24)
482 	    | ((uint32_t)block[1] << 16)
483 	    | ((uint32_t)block[2] << 8)
484 	    | (uint32_t)block[3];
485 	right = ((uint32_t)block[4] << 24)
486 	    | ((uint32_t)block[5] << 16)
487 	    | ((uint32_t)block[6] << 8)
488 	    | (uint32_t)block[7];
489 #ifdef _BIG_ENDIAN
490 	}
491 #endif
492 
493 	ROUND(left, right, 17);
494 	ROUND(left, right, 16);
495 	ROUND(left, right, 15);
496 	ROUND(left, right, 14);
497 	ROUND(left, right, 13);
498 	ROUND(left, right, 12);
499 	ROUND(left, right, 11);
500 	ROUND(left, right, 10);
501 	ROUND(left, right, 9);
502 	ROUND(left, right, 8);
503 	ROUND(left, right, 7);
504 	ROUND(left, right, 6);
505 	ROUND(left, right, 5);
506 	ROUND(left, right, 4);
507 	ROUND(left, right, 3);
508 	ROUND(left, right, 2);
509 
510 	tmp = left;
511 	left = right;
512 	right = tmp;
513 	right ^= P[1];
514 	left ^= P[0];
515 
516 #ifdef _BIG_ENDIAN
517 	if (IS_P2ALIGNED(out_block, sizeof (uint32_t))) {
518 		/* LINTED:  pointer alignment */
519 		b32 = (uint32_t *)out_block;
520 		b32[0] = left;
521 		b32[1] = right;
522 	} else {
523 #endif
524 	/* Put the block back into the user's block with final swap */
525 	out_block[0] = left >> 24;
526 	out_block[1] = left >> 16;
527 	out_block[2] = left >> 8;
528 	out_block[3] = left;
529 	out_block[4] = right >> 24;
530 	out_block[5] = right >> 16;
531 	out_block[6] = right >> 8;
532 	out_block[7] = right;
533 #ifdef _BIG_ENDIAN
534 	}
535 #endif
536 /* EXPORT DELETE END */
537 }
538 
539 static void
540 bitrepeat(uint8_t *pattern, uint_t len_bytes, uint_t len_bits, uint8_t *dst,
541     uint_t dst_len_bytes)
542 {
543 /* EXPORT DELETE START */
544 	uint8_t *current = dst;
545 	uint_t bitsleft = dst_len_bytes << 3;
546 	uint_t bitoffset = 0;
547 	uint_t currentbits;
548 	int i;
549 
550 	BLOWFISH_ASSERT(((len_bits + 7) >> 3) == len_bytes);
551 
552 	bzero(dst, dst_len_bytes);
553 
554 	while (bitsleft != 0) {
555 		if (bitsleft >= len_bits) {
556 			currentbits = len_bits;
557 
558 			for (i = 0; i < len_bytes; i++) {
559 				if (currentbits >= 8) {
560 					*current++ |= pattern[i] >> bitoffset;
561 					*current |= pattern[i] << 8 - bitoffset;
562 					currentbits -= 8;
563 				} else {
564 					*current |= pattern[i] >> bitoffset;
565 					bitoffset = bitoffset + currentbits;
566 					bitoffset &= 0x7;
567 					if (bitoffset == 0)
568 						current++;
569 				}
570 			}
571 			bitsleft -= len_bits;
572 		} else {
573 			currentbits = bitsleft;
574 
575 			for (i = 0; i < len_bytes && bitsleft != 0; i++) {
576 				if (currentbits >= 8 &&
577 				    current < dst + dst_len_bytes) {
578 					*current++ |= pattern[i] >> bitoffset;
579 					*current |= pattern[i] << 8 - bitoffset;
580 					currentbits -= 8;
581 					bitsleft -= 8;
582 				} else {
583 					*current |= pattern[i] >> bitoffset;
584 					bitsleft -= bitoffset;
585 					bitoffset = bitoffset + currentbits;
586 					bitoffset &= 0x7;
587 					if (bitoffset == 0)
588 						current++;
589 					currentbits = 0;
590 				}
591 			}
592 			bitsleft = 0;
593 		}
594 	}
595 /* EXPORT DELETE END */
596 }
597 
598 /*
599  * Initialize key schedules for Blowfish.
600  */
601 void
602 blowfish_init_keysched(uint8_t *key, uint_t bits, void *keysched)
603 {
604 /* EXPORT DELETE START */
605 	keysched_t *newbie = keysched;
606 	uint32_t *P = newbie->ksch_P;
607 	uint32_t *S = newbie->ksch_S;
608 	uint32_t *initp;
609 	uint32_t tmpblock[] = {0, 0};
610 	uint8_t *rawkeybytes = (uint8_t *)P;
611 	int i, slop, copylen;
612 	uintptr_t bytesleft;
613 	uint_t len;
614 
615 	len = CRYPTO_BITS2BYTES(bits);
616 
617 	if ((bits & 0x7) != 0) {
618 		/*
619 		 * Really slow case, bits aren't on a byte boundary.
620 		 * Keep track of individual bits copied over.  :-P
621 		 */
622 		bitrepeat(key, len, bits, rawkeybytes, 72);
623 	} else {
624 		slop = 72 % len;
625 
626 		/* Someone gave us a nice amount (i.e. div by 8) of bits */
627 		while (rawkeybytes != (uint8_t *)(P + 18)) {
628 			bytesleft =
629 			    (uintptr_t)(P + 18) - (uintptr_t)rawkeybytes;
630 			copylen = (bytesleft >= len) ? len : slop;
631 			bcopy(key, rawkeybytes, copylen);
632 			rawkeybytes += copylen;
633 		}
634 	}
635 
636 	for (i = 0; i < 18; i++)
637 		P[i] = ntohl(P[i]) ^ init_P[i];
638 
639 	/* Go bcopy go!  (Hope that Ultra's bcopy is faster than me!) */
640 	bcopy(init_S, S, sizeof (init_S));
641 
642 	/*
643 	 * When initializing P and S boxes, store the results of a single
644 	 * encrypt-block operation in "host order", which on little-endian
645 	 * means byte-swapping.  Fortunately, the ntohl() function does this
646 	 * quite nicely, and it a NOP on big-endian machine.
647 	 */
648 	initp = P;
649 	for (i = 0; i < 9; i++) {
650 		blowfish_encrypt_block(newbie, (uint8_t *)tmpblock,
651 		    (uint8_t *)tmpblock);
652 		*initp++ = ntohl(tmpblock[0]);
653 		*initp++ = ntohl(tmpblock[1]);
654 	}
655 
656 	initp = S;
657 	for (i = 0; i < 512; i++) {
658 		blowfish_encrypt_block(newbie, (uint8_t *)tmpblock,
659 		    (uint8_t *)tmpblock);
660 		*initp++ = ntohl(tmpblock[0]);
661 		*initp++ = ntohl(tmpblock[1]);
662 	}
663 /* EXPORT DELETE END */
664 }
665 
666 /*
667  * Allocate key schedule for Blowfish.
668  */
669 /* ARGSUSED */
670 void *
671 blowfish_alloc_keysched(size_t *size, int kmflag)
672 {
673 /* EXPORT DELETE START */
674 	keysched_t *keysched;
675 
676 #ifdef _KERNEL
677 	keysched = (keysched_t *)kmem_alloc(sizeof (keysched_t), kmflag);
678 #else
679 	keysched = (keysched_t *)malloc(sizeof (keysched_t));
680 #endif /* _KERNEL */
681 	if (keysched != NULL) {
682 		*size = sizeof (keysched_t);
683 		return (keysched);
684 	}
685 /* EXPORT DELETE END */
686 
687 	return (NULL);
688 }
689