xref: /titanic_52/usr/src/common/crypto/blowfish/blowfish_impl.c (revision c1ecd8b9404ee0d96d93f02e82c441b9bb149a3d)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 /*
29  * Blowfish encryption/decryption and keyschedule code.
30  */
31 
32 #include <sys/types.h>
33 #include <sys/systm.h>
34 #include <sys/ddi.h>
35 #include <sys/sysmacros.h>
36 #include <sys/strsun.h>
37 #include <sys/note.h>
38 #include <sys/byteorder.h>
39 #include <sys/crypto/spi.h>
40 #include <modes/modes.h>
41 #include <sys/crypto/common.h>
42 #include "blowfish_impl.h"
43 
44 #ifdef _KERNEL
45 
46 #define	BLOWFISH_ASSERT(x)	ASSERT(x)
47 
48 #else /* !_KERNEL */
49 
50 #include <strings.h>
51 #include <stdlib.h>
52 #define	BLOWFISH_ASSERT(x)
53 
54 #endif /* _KERNEL */
55 
56 /* EXPORT DELETE START */
57 
58 /*
59  * Blowfish initial P box and S boxes, derived from the hex digits of PI.
60  *
61  * NOTE:  S boxes are placed into one large array.
62  */
63 static const uint32_t init_P[] = {
64 	0x243f6a88U, 0x85a308d3U, 0x13198a2eU,
65 	0x03707344U, 0xa4093822U, 0x299f31d0U,
66 	0x082efa98U, 0xec4e6c89U, 0x452821e6U,
67 	0x38d01377U, 0xbe5466cfU, 0x34e90c6cU,
68 	0xc0ac29b7U, 0xc97c50ddU, 0x3f84d5b5U,
69 	0xb5470917U, 0x9216d5d9U, 0x8979fb1bU
70 };
71 
72 static const uint32_t init_S[] = {
73 	/* S-Box 0. */
74 	0xd1310ba6U, 0x98dfb5acU, 0x2ffd72dbU, 0xd01adfb7U,
75 	0xb8e1afedU, 0x6a267e96U, 0xba7c9045U, 0xf12c7f99U,
76 	0x24a19947U, 0xb3916cf7U, 0x0801f2e2U, 0x858efc16U,
77 	0x636920d8U, 0x71574e69U, 0xa458fea3U, 0xf4933d7eU,
78 	0x0d95748fU, 0x728eb658U, 0x718bcd58U, 0x82154aeeU,
79 	0x7b54a41dU, 0xc25a59b5U, 0x9c30d539U, 0x2af26013U,
80 	0xc5d1b023U, 0x286085f0U, 0xca417918U, 0xb8db38efU,
81 	0x8e79dcb0U, 0x603a180eU, 0x6c9e0e8bU, 0xb01e8a3eU,
82 	0xd71577c1U, 0xbd314b27U, 0x78af2fdaU, 0x55605c60U,
83 	0xe65525f3U, 0xaa55ab94U, 0x57489862U, 0x63e81440U,
84 	0x55ca396aU, 0x2aab10b6U, 0xb4cc5c34U, 0x1141e8ceU,
85 	0xa15486afU, 0x7c72e993U, 0xb3ee1411U, 0x636fbc2aU,
86 	0x2ba9c55dU, 0x741831f6U, 0xce5c3e16U, 0x9b87931eU,
87 	0xafd6ba33U, 0x6c24cf5cU, 0x7a325381U, 0x28958677U,
88 	0x3b8f4898U, 0x6b4bb9afU, 0xc4bfe81bU, 0x66282193U,
89 	0x61d809ccU, 0xfb21a991U, 0x487cac60U, 0x5dec8032U,
90 	0xef845d5dU, 0xe98575b1U, 0xdc262302U, 0xeb651b88U,
91 	0x23893e81U, 0xd396acc5U, 0x0f6d6ff3U, 0x83f44239U,
92 	0x2e0b4482U, 0xa4842004U, 0x69c8f04aU, 0x9e1f9b5eU,
93 	0x21c66842U, 0xf6e96c9aU, 0x670c9c61U, 0xabd388f0U,
94 	0x6a51a0d2U, 0xd8542f68U, 0x960fa728U, 0xab5133a3U,
95 	0x6eef0b6cU, 0x137a3be4U, 0xba3bf050U, 0x7efb2a98U,
96 	0xa1f1651dU, 0x39af0176U, 0x66ca593eU, 0x82430e88U,
97 	0x8cee8619U, 0x456f9fb4U, 0x7d84a5c3U, 0x3b8b5ebeU,
98 	0xe06f75d8U, 0x85c12073U, 0x401a449fU, 0x56c16aa6U,
99 	0x4ed3aa62U, 0x363f7706U, 0x1bfedf72U, 0x429b023dU,
100 	0x37d0d724U, 0xd00a1248U, 0xdb0fead3U, 0x49f1c09bU,
101 	0x075372c9U, 0x80991b7bU, 0x25d479d8U, 0xf6e8def7U,
102 	0xe3fe501aU, 0xb6794c3bU, 0x976ce0bdU, 0x04c006baU,
103 	0xc1a94fb6U, 0x409f60c4U, 0x5e5c9ec2U, 0x196a2463U,
104 	0x68fb6fafU, 0x3e6c53b5U, 0x1339b2ebU, 0x3b52ec6fU,
105 	0x6dfc511fU, 0x9b30952cU, 0xcc814544U, 0xaf5ebd09U,
106 	0xbee3d004U, 0xde334afdU, 0x660f2807U, 0x192e4bb3U,
107 	0xc0cba857U, 0x45c8740fU, 0xd20b5f39U, 0xb9d3fbdbU,
108 	0x5579c0bdU, 0x1a60320aU, 0xd6a100c6U, 0x402c7279U,
109 	0x679f25feU, 0xfb1fa3ccU, 0x8ea5e9f8U, 0xdb3222f8U,
110 	0x3c7516dfU, 0xfd616b15U, 0x2f501ec8U, 0xad0552abU,
111 	0x323db5faU, 0xfd238760U, 0x53317b48U, 0x3e00df82U,
112 	0x9e5c57bbU, 0xca6f8ca0U, 0x1a87562eU, 0xdf1769dbU,
113 	0xd542a8f6U, 0x287effc3U, 0xac6732c6U, 0x8c4f5573U,
114 	0x695b27b0U, 0xbbca58c8U, 0xe1ffa35dU, 0xb8f011a0U,
115 	0x10fa3d98U, 0xfd2183b8U, 0x4afcb56cU, 0x2dd1d35bU,
116 	0x9a53e479U, 0xb6f84565U, 0xd28e49bcU, 0x4bfb9790U,
117 	0xe1ddf2daU, 0xa4cb7e33U, 0x62fb1341U, 0xcee4c6e8U,
118 	0xef20cadaU, 0x36774c01U, 0xd07e9efeU, 0x2bf11fb4U,
119 	0x95dbda4dU, 0xae909198U, 0xeaad8e71U, 0x6b93d5a0U,
120 	0xd08ed1d0U, 0xafc725e0U, 0x8e3c5b2fU, 0x8e7594b7U,
121 	0x8ff6e2fbU, 0xf2122b64U, 0x8888b812U, 0x900df01cU,
122 	0x4fad5ea0U, 0x688fc31cU, 0xd1cff191U, 0xb3a8c1adU,
123 	0x2f2f2218U, 0xbe0e1777U, 0xea752dfeU, 0x8b021fa1U,
124 	0xe5a0cc0fU, 0xb56f74e8U, 0x18acf3d6U, 0xce89e299U,
125 	0xb4a84fe0U, 0xfd13e0b7U, 0x7cc43b81U, 0xd2ada8d9U,
126 	0x165fa266U, 0x80957705U, 0x93cc7314U, 0x211a1477U,
127 	0xe6ad2065U, 0x77b5fa86U, 0xc75442f5U, 0xfb9d35cfU,
128 	0xebcdaf0cU, 0x7b3e89a0U, 0xd6411bd3U, 0xae1e7e49U,
129 	0x00250e2dU, 0x2071b35eU, 0x226800bbU, 0x57b8e0afU,
130 	0x2464369bU, 0xf009b91eU, 0x5563911dU, 0x59dfa6aaU,
131 	0x78c14389U, 0xd95a537fU, 0x207d5ba2U, 0x02e5b9c5U,
132 	0x83260376U, 0x6295cfa9U, 0x11c81968U, 0x4e734a41U,
133 	0xb3472dcaU, 0x7b14a94aU, 0x1b510052U, 0x9a532915U,
134 	0xd60f573fU, 0xbc9bc6e4U, 0x2b60a476U, 0x81e67400U,
135 	0x08ba6fb5U, 0x571be91fU, 0xf296ec6bU, 0x2a0dd915U,
136 	0xb6636521U, 0xe7b9f9b6U, 0xff34052eU, 0xc5855664U,
137 	0x53b02d5dU, 0xa99f8fa1U, 0x08ba4799U, 0x6e85076aU,
138 
139 	/* S-Box 1. */
140 	0x4b7a70e9U, 0xb5b32944U, 0xdb75092eU, 0xc4192623U,
141 	0xad6ea6b0U, 0x49a7df7dU, 0x9cee60b8U, 0x8fedb266U,
142 	0xecaa8c71U, 0x699a17ffU, 0x5664526cU, 0xc2b19ee1U,
143 	0x193602a5U, 0x75094c29U, 0xa0591340U, 0xe4183a3eU,
144 	0x3f54989aU, 0x5b429d65U, 0x6b8fe4d6U, 0x99f73fd6U,
145 	0xa1d29c07U, 0xefe830f5U, 0x4d2d38e6U, 0xf0255dc1U,
146 	0x4cdd2086U, 0x8470eb26U, 0x6382e9c6U, 0x021ecc5eU,
147 	0x09686b3fU, 0x3ebaefc9U, 0x3c971814U, 0x6b6a70a1U,
148 	0x687f3584U, 0x52a0e286U, 0xb79c5305U, 0xaa500737U,
149 	0x3e07841cU, 0x7fdeae5cU, 0x8e7d44ecU, 0x5716f2b8U,
150 	0xb03ada37U, 0xf0500c0dU, 0xf01c1f04U, 0x0200b3ffU,
151 	0xae0cf51aU, 0x3cb574b2U, 0x25837a58U, 0xdc0921bdU,
152 	0xd19113f9U, 0x7ca92ff6U, 0x94324773U, 0x22f54701U,
153 	0x3ae5e581U, 0x37c2dadcU, 0xc8b57634U, 0x9af3dda7U,
154 	0xa9446146U, 0x0fd0030eU, 0xecc8c73eU, 0xa4751e41U,
155 	0xe238cd99U, 0x3bea0e2fU, 0x3280bba1U, 0x183eb331U,
156 	0x4e548b38U, 0x4f6db908U, 0x6f420d03U, 0xf60a04bfU,
157 	0x2cb81290U, 0x24977c79U, 0x5679b072U, 0xbcaf89afU,
158 	0xde9a771fU, 0xd9930810U, 0xb38bae12U, 0xdccf3f2eU,
159 	0x5512721fU, 0x2e6b7124U, 0x501adde6U, 0x9f84cd87U,
160 	0x7a584718U, 0x7408da17U, 0xbc9f9abcU, 0xe94b7d8cU,
161 	0xec7aec3aU, 0xdb851dfaU, 0x63094366U, 0xc464c3d2U,
162 	0xef1c1847U, 0x3215d908U, 0xdd433b37U, 0x24c2ba16U,
163 	0x12a14d43U, 0x2a65c451U, 0x50940002U, 0x133ae4ddU,
164 	0x71dff89eU, 0x10314e55U, 0x81ac77d6U, 0x5f11199bU,
165 	0x043556f1U, 0xd7a3c76bU, 0x3c11183bU, 0x5924a509U,
166 	0xf28fe6edU, 0x97f1fbfaU, 0x9ebabf2cU, 0x1e153c6eU,
167 	0x86e34570U, 0xeae96fb1U, 0x860e5e0aU, 0x5a3e2ab3U,
168 	0x771fe71cU, 0x4e3d06faU, 0x2965dcb9U, 0x99e71d0fU,
169 	0x803e89d6U, 0x5266c825U, 0x2e4cc978U, 0x9c10b36aU,
170 	0xc6150ebaU, 0x94e2ea78U, 0xa5fc3c53U, 0x1e0a2df4U,
171 	0xf2f74ea7U, 0x361d2b3dU, 0x1939260fU, 0x19c27960U,
172 	0x5223a708U, 0xf71312b6U, 0xebadfe6eU, 0xeac31f66U,
173 	0xe3bc4595U, 0xa67bc883U, 0xb17f37d1U, 0x018cff28U,
174 	0xc332ddefU, 0xbe6c5aa5U, 0x65582185U, 0x68ab9802U,
175 	0xeecea50fU, 0xdb2f953bU, 0x2aef7dadU, 0x5b6e2f84U,
176 	0x1521b628U, 0x29076170U, 0xecdd4775U, 0x619f1510U,
177 	0x13cca830U, 0xeb61bd96U, 0x0334fe1eU, 0xaa0363cfU,
178 	0xb5735c90U, 0x4c70a239U, 0xd59e9e0bU, 0xcbaade14U,
179 	0xeecc86bcU, 0x60622ca7U, 0x9cab5cabU, 0xb2f3846eU,
180 	0x648b1eafU, 0x19bdf0caU, 0xa02369b9U, 0x655abb50U,
181 	0x40685a32U, 0x3c2ab4b3U, 0x319ee9d5U, 0xc021b8f7U,
182 	0x9b540b19U, 0x875fa099U, 0x95f7997eU, 0x623d7da8U,
183 	0xf837889aU, 0x97e32d77U, 0x11ed935fU, 0x16681281U,
184 	0x0e358829U, 0xc7e61fd6U, 0x96dedfa1U, 0x7858ba99U,
185 	0x57f584a5U, 0x1b227263U, 0x9b83c3ffU, 0x1ac24696U,
186 	0xcdb30aebU, 0x532e3054U, 0x8fd948e4U, 0x6dbc3128U,
187 	0x58ebf2efU, 0x34c6ffeaU, 0xfe28ed61U, 0xee7c3c73U,
188 	0x5d4a14d9U, 0xe864b7e3U, 0x42105d14U, 0x203e13e0U,
189 	0x45eee2b6U, 0xa3aaabeaU, 0xdb6c4f15U, 0xfacb4fd0U,
190 	0xc742f442U, 0xef6abbb5U, 0x654f3b1dU, 0x41cd2105U,
191 	0xd81e799eU, 0x86854dc7U, 0xe44b476aU, 0x3d816250U,
192 	0xcf62a1f2U, 0x5b8d2646U, 0xfc8883a0U, 0xc1c7b6a3U,
193 	0x7f1524c3U, 0x69cb7492U, 0x47848a0bU, 0x5692b285U,
194 	0x095bbf00U, 0xad19489dU, 0x1462b174U, 0x23820e00U,
195 	0x58428d2aU, 0x0c55f5eaU, 0x1dadf43eU, 0x233f7061U,
196 	0x3372f092U, 0x8d937e41U, 0xd65fecf1U, 0x6c223bdbU,
197 	0x7cde3759U, 0xcbee7460U, 0x4085f2a7U, 0xce77326eU,
198 	0xa6078084U, 0x19f8509eU, 0xe8efd855U, 0x61d99735U,
199 	0xa969a7aaU, 0xc50c06c2U, 0x5a04abfcU, 0x800bcadcU,
200 	0x9e447a2eU, 0xc3453484U, 0xfdd56705U, 0x0e1e9ec9U,
201 	0xdb73dbd3U, 0x105588cdU, 0x675fda79U, 0xe3674340U,
202 	0xc5c43465U, 0x713e38d8U, 0x3d28f89eU, 0xf16dff20U,
203 	0x153e21e7U, 0x8fb03d4aU, 0xe6e39f2bU, 0xdb83adf7U,
204 
205 	/* S-Box 2. */
206 	0xe93d5a68U, 0x948140f7U, 0xf64c261cU, 0x94692934U,
207 	0x411520f7U, 0x7602d4f7U, 0xbcf46b2eU, 0xd4a20068U,
208 	0xd4082471U, 0x3320f46aU, 0x43b7d4b7U, 0x500061afU,
209 	0x1e39f62eU, 0x97244546U, 0x14214f74U, 0xbf8b8840U,
210 	0x4d95fc1dU, 0x96b591afU, 0x70f4ddd3U, 0x66a02f45U,
211 	0xbfbc09ecU, 0x03bd9785U, 0x7fac6dd0U, 0x31cb8504U,
212 	0x96eb27b3U, 0x55fd3941U, 0xda2547e6U, 0xabca0a9aU,
213 	0x28507825U, 0x530429f4U, 0x0a2c86daU, 0xe9b66dfbU,
214 	0x68dc1462U, 0xd7486900U, 0x680ec0a4U, 0x27a18deeU,
215 	0x4f3ffea2U, 0xe887ad8cU, 0xb58ce006U, 0x7af4d6b6U,
216 	0xaace1e7cU, 0xd3375fecU, 0xce78a399U, 0x406b2a42U,
217 	0x20fe9e35U, 0xd9f385b9U, 0xee39d7abU, 0x3b124e8bU,
218 	0x1dc9faf7U, 0x4b6d1856U, 0x26a36631U, 0xeae397b2U,
219 	0x3a6efa74U, 0xdd5b4332U, 0x6841e7f7U, 0xca7820fbU,
220 	0xfb0af54eU, 0xd8feb397U, 0x454056acU, 0xba489527U,
221 	0x55533a3aU, 0x20838d87U, 0xfe6ba9b7U, 0xd096954bU,
222 	0x55a867bcU, 0xa1159a58U, 0xcca92963U, 0x99e1db33U,
223 	0xa62a4a56U, 0x3f3125f9U, 0x5ef47e1cU, 0x9029317cU,
224 	0xfdf8e802U, 0x04272f70U, 0x80bb155cU, 0x05282ce3U,
225 	0x95c11548U, 0xe4c66d22U, 0x48c1133fU, 0xc70f86dcU,
226 	0x07f9c9eeU, 0x41041f0fU, 0x404779a4U, 0x5d886e17U,
227 	0x325f51ebU, 0xd59bc0d1U, 0xf2bcc18fU, 0x41113564U,
228 	0x257b7834U, 0x602a9c60U, 0xdff8e8a3U, 0x1f636c1bU,
229 	0x0e12b4c2U, 0x02e1329eU, 0xaf664fd1U, 0xcad18115U,
230 	0x6b2395e0U, 0x333e92e1U, 0x3b240b62U, 0xeebeb922U,
231 	0x85b2a20eU, 0xe6ba0d99U, 0xde720c8cU, 0x2da2f728U,
232 	0xd0127845U, 0x95b794fdU, 0x647d0862U, 0xe7ccf5f0U,
233 	0x5449a36fU, 0x877d48faU, 0xc39dfd27U, 0xf33e8d1eU,
234 	0x0a476341U, 0x992eff74U, 0x3a6f6eabU, 0xf4f8fd37U,
235 	0xa812dc60U, 0xa1ebddf8U, 0x991be14cU, 0xdb6e6b0dU,
236 	0xc67b5510U, 0x6d672c37U, 0x2765d43bU, 0xdcd0e804U,
237 	0xf1290dc7U, 0xcc00ffa3U, 0xb5390f92U, 0x690fed0bU,
238 	0x667b9ffbU, 0xcedb7d9cU, 0xa091cf0bU, 0xd9155ea3U,
239 	0xbb132f88U, 0x515bad24U, 0x7b9479bfU, 0x763bd6ebU,
240 	0x37392eb3U, 0xcc115979U, 0x8026e297U, 0xf42e312dU,
241 	0x6842ada7U, 0xc66a2b3bU, 0x12754cccU, 0x782ef11cU,
242 	0x6a124237U, 0xb79251e7U, 0x06a1bbe6U, 0x4bfb6350U,
243 	0x1a6b1018U, 0x11caedfaU, 0x3d25bdd8U, 0xe2e1c3c9U,
244 	0x44421659U, 0x0a121386U, 0xd90cec6eU, 0xd5abea2aU,
245 	0x64af674eU, 0xda86a85fU, 0xbebfe988U, 0x64e4c3feU,
246 	0x9dbc8057U, 0xf0f7c086U, 0x60787bf8U, 0x6003604dU,
247 	0xd1fd8346U, 0xf6381fb0U, 0x7745ae04U, 0xd736fcccU,
248 	0x83426b33U, 0xf01eab71U, 0xb0804187U, 0x3c005e5fU,
249 	0x77a057beU, 0xbde8ae24U, 0x55464299U, 0xbf582e61U,
250 	0x4e58f48fU, 0xf2ddfda2U, 0xf474ef38U, 0x8789bdc2U,
251 	0x5366f9c3U, 0xc8b38e74U, 0xb475f255U, 0x46fcd9b9U,
252 	0x7aeb2661U, 0x8b1ddf84U, 0x846a0e79U, 0x915f95e2U,
253 	0x466e598eU, 0x20b45770U, 0x8cd55591U, 0xc902de4cU,
254 	0xb90bace1U, 0xbb8205d0U, 0x11a86248U, 0x7574a99eU,
255 	0xb77f19b6U, 0xe0a9dc09U, 0x662d09a1U, 0xc4324633U,
256 	0xe85a1f02U, 0x09f0be8cU, 0x4a99a025U, 0x1d6efe10U,
257 	0x1ab93d1dU, 0x0ba5a4dfU, 0xa186f20fU, 0x2868f169U,
258 	0xdcb7da83U, 0x573906feU, 0xa1e2ce9bU, 0x4fcd7f52U,
259 	0x50115e01U, 0xa70683faU, 0xa002b5c4U, 0x0de6d027U,
260 	0x9af88c27U, 0x773f8641U, 0xc3604c06U, 0x61a806b5U,
261 	0xf0177a28U, 0xc0f586e0U, 0x006058aaU, 0x30dc7d62U,
262 	0x11e69ed7U, 0x2338ea63U, 0x53c2dd94U, 0xc2c21634U,
263 	0xbbcbee56U, 0x90bcb6deU, 0xebfc7da1U, 0xce591d76U,
264 	0x6f05e409U, 0x4b7c0188U, 0x39720a3dU, 0x7c927c24U,
265 	0x86e3725fU, 0x724d9db9U, 0x1ac15bb4U, 0xd39eb8fcU,
266 	0xed545578U, 0x08fca5b5U, 0xd83d7cd3U, 0x4dad0fc4U,
267 	0x1e50ef5eU, 0xb161e6f8U, 0xa28514d9U, 0x6c51133cU,
268 	0x6fd5c7e7U, 0x56e14ec4U, 0x362abfceU, 0xddc6c837U,
269 	0xd79a3234U, 0x92638212U, 0x670efa8eU, 0x406000e0U,
270 
271 	/* S-Box 3. */
272 	0x3a39ce37U, 0xd3faf5cfU, 0xabc27737U, 0x5ac52d1bU,
273 	0x5cb0679eU, 0x4fa33742U, 0xd3822740U, 0x99bc9bbeU,
274 	0xd5118e9dU, 0xbf0f7315U, 0xd62d1c7eU, 0xc700c47bU,
275 	0xb78c1b6bU, 0x21a19045U, 0xb26eb1beU, 0x6a366eb4U,
276 	0x5748ab2fU, 0xbc946e79U, 0xc6a376d2U, 0x6549c2c8U,
277 	0x530ff8eeU, 0x468dde7dU, 0xd5730a1dU, 0x4cd04dc6U,
278 	0x2939bbdbU, 0xa9ba4650U, 0xac9526e8U, 0xbe5ee304U,
279 	0xa1fad5f0U, 0x6a2d519aU, 0x63ef8ce2U, 0x9a86ee22U,
280 	0xc089c2b8U, 0x43242ef6U, 0xa51e03aaU, 0x9cf2d0a4U,
281 	0x83c061baU, 0x9be96a4dU, 0x8fe51550U, 0xba645bd6U,
282 	0x2826a2f9U, 0xa73a3ae1U, 0x4ba99586U, 0xef5562e9U,
283 	0xc72fefd3U, 0xf752f7daU, 0x3f046f69U, 0x77fa0a59U,
284 	0x80e4a915U, 0x87b08601U, 0x9b09e6adU, 0x3b3ee593U,
285 	0xe990fd5aU, 0x9e34d797U, 0x2cf0b7d9U, 0x022b8b51U,
286 	0x96d5ac3aU, 0x017da67dU, 0xd1cf3ed6U, 0x7c7d2d28U,
287 	0x1f9f25cfU, 0xadf2b89bU, 0x5ad6b472U, 0x5a88f54cU,
288 	0xe029ac71U, 0xe019a5e6U, 0x47b0acfdU, 0xed93fa9bU,
289 	0xe8d3c48dU, 0x283b57ccU, 0xf8d56629U, 0x79132e28U,
290 	0x785f0191U, 0xed756055U, 0xf7960e44U, 0xe3d35e8cU,
291 	0x15056dd4U, 0x88f46dbaU, 0x03a16125U, 0x0564f0bdU,
292 	0xc3eb9e15U, 0x3c9057a2U, 0x97271aecU, 0xa93a072aU,
293 	0x1b3f6d9bU, 0x1e6321f5U, 0xf59c66fbU, 0x26dcf319U,
294 	0x7533d928U, 0xb155fdf5U, 0x03563482U, 0x8aba3cbbU,
295 	0x28517711U, 0xc20ad9f8U, 0xabcc5167U, 0xccad925fU,
296 	0x4de81751U, 0x3830dc8eU, 0x379d5862U, 0x9320f991U,
297 	0xea7a90c2U, 0xfb3e7bceU, 0x5121ce64U, 0x774fbe32U,
298 	0xa8b6e37eU, 0xc3293d46U, 0x48de5369U, 0x6413e680U,
299 	0xa2ae0810U, 0xdd6db224U, 0x69852dfdU, 0x09072166U,
300 	0xb39a460aU, 0x6445c0ddU, 0x586cdecfU, 0x1c20c8aeU,
301 	0x5bbef7ddU, 0x1b588d40U, 0xccd2017fU, 0x6bb4e3bbU,
302 	0xdda26a7eU, 0x3a59ff45U, 0x3e350a44U, 0xbcb4cdd5U,
303 	0x72eacea8U, 0xfa6484bbU, 0x8d6612aeU, 0xbf3c6f47U,
304 	0xd29be463U, 0x542f5d9eU, 0xaec2771bU, 0xf64e6370U,
305 	0x740e0d8dU, 0xe75b1357U, 0xf8721671U, 0xaf537d5dU,
306 	0x4040cb08U, 0x4eb4e2ccU, 0x34d2466aU, 0x0115af84U,
307 	0xe1b00428U, 0x95983a1dU, 0x06b89fb4U, 0xce6ea048U,
308 	0x6f3f3b82U, 0x3520ab82U, 0x011a1d4bU, 0x277227f8U,
309 	0x611560b1U, 0xe7933fdcU, 0xbb3a792bU, 0x344525bdU,
310 	0xa08839e1U, 0x51ce794bU, 0x2f32c9b7U, 0xa01fbac9U,
311 	0xe01cc87eU, 0xbcc7d1f6U, 0xcf0111c3U, 0xa1e8aac7U,
312 	0x1a908749U, 0xd44fbd9aU, 0xd0dadecbU, 0xd50ada38U,
313 	0x0339c32aU, 0xc6913667U, 0x8df9317cU, 0xe0b12b4fU,
314 	0xf79e59b7U, 0x43f5bb3aU, 0xf2d519ffU, 0x27d9459cU,
315 	0xbf97222cU, 0x15e6fc2aU, 0x0f91fc71U, 0x9b941525U,
316 	0xfae59361U, 0xceb69cebU, 0xc2a86459U, 0x12baa8d1U,
317 	0xb6c1075eU, 0xe3056a0cU, 0x10d25065U, 0xcb03a442U,
318 	0xe0ec6e0eU, 0x1698db3bU, 0x4c98a0beU, 0x3278e964U,
319 	0x9f1f9532U, 0xe0d392dfU, 0xd3a0342bU, 0x8971f21eU,
320 	0x1b0a7441U, 0x4ba3348cU, 0xc5be7120U, 0xc37632d8U,
321 	0xdf359f8dU, 0x9b992f2eU, 0xe60b6f47U, 0x0fe3f11dU,
322 	0xe54cda54U, 0x1edad891U, 0xce6279cfU, 0xcd3e7e6fU,
323 	0x1618b166U, 0xfd2c1d05U, 0x848fd2c5U, 0xf6fb2299U,
324 	0xf523f357U, 0xa6327623U, 0x93a83531U, 0x56cccd02U,
325 	0xacf08162U, 0x5a75ebb5U, 0x6e163697U, 0x88d273ccU,
326 	0xde966292U, 0x81b949d0U, 0x4c50901bU, 0x71c65614U,
327 	0xe6c6c7bdU, 0x327a140aU, 0x45e1d006U, 0xc3f27b9aU,
328 	0xc9aa53fdU, 0x62a80f00U, 0xbb25bfe2U, 0x35bdd2f6U,
329 	0x71126905U, 0xb2040222U, 0xb6cbcf7cU, 0xcd769c2bU,
330 	0x53113ec0U, 0x1640e3d3U, 0x38abbd60U, 0x2547adf0U,
331 	0xba38209cU, 0xf746ce76U, 0x77afa1c5U, 0x20756060U,
332 	0x85cbfe4eU, 0x8ae88dd8U, 0x7aaaf9b0U, 0x4cf9aa7eU,
333 	0x1948c25cU, 0x02fb8a8cU, 0x01c36ae4U, 0xd6ebe1f9U,
334 	0x90d4f869U, 0xa65cdea0U, 0x3f09252dU, 0xc208e69fU,
335 	0xb74e6132U, 0xce77e25bU, 0x578fdfe3U, 0x3ac372e6U,
336 };
337 
338 typedef struct keysched_s {
339 	uint32_t ksch_S[1024];	/* The 4 S boxes are 256 32-bit words. */
340 	uint32_t ksch_P[18];	/* P box is 18 32-bit words. */
341 } keysched_t;
342 
343 /*
344  * Since ROUND() is a macro, make sure that the things inside can be
345  * evaluated more than once.  Especially when calling F().
346  * Assume the presence of local variables:
347  *
348  *	uint32_t *P;
349  *	uint32_t *S;
350  *	uint32_t tmp;
351  *
352  *
353  * And to Microsoft interview survivors out there, perhaps I should do the
354  * XOR swap trick, or at least #ifdef (__i386) the tmp = ... = tmp; stuff.
355  */
356 
357 #define	F(word) \
358 	(((S[(word >> 24) & 0xff] + S[256 + ((word >> 16) & 0xff)]) ^ \
359 		S[512 + ((word >> 8) & 0xff)]) + S[768 + (word & 0xff)])
360 
361 #define	ROUND(left, right, i) \
362 	(left) ^= P[i]; \
363 	(right) ^= F((left)); \
364 	tmp = (left); \
365 	(left) = (right); \
366 	(right) = tmp;
367 
368 /* EXPORT DELETE END */
369 
370 /*
371  * Encrypt a block of data.  Because of addition operations, convert blocks
372  * to their big-endian representation, even on Intel boxen.
373  */
374 /* ARGSUSED */
375 int
376 blowfish_encrypt_block(const void *cookie, const uint8_t *block,
377     uint8_t *out_block)
378 {
379 /* EXPORT DELETE START */
380 	keysched_t *ksch = (keysched_t *)cookie;
381 
382 	uint32_t left, right, tmp;
383 	uint32_t *P = ksch->ksch_P;
384 	uint32_t *S = ksch->ksch_S;
385 #ifdef _BIG_ENDIAN
386 	uint32_t *b32;
387 
388 	if (IS_P2ALIGNED(block, sizeof (uint32_t))) {
389 		/* LINTED:  pointer alignment */
390 		b32 = (uint32_t *)block;
391 		left = b32[0];
392 		right = b32[1];
393 	} else {
394 #endif
395 	/*
396 	 * Read input block and place in left/right in big-endian order.
397 	 */
398 	left = ((uint32_t)block[0] << 24)
399 	    | ((uint32_t)block[1] << 16)
400 	    | ((uint32_t)block[2] << 8)
401 	    | (uint32_t)block[3];
402 	right = ((uint32_t)block[4] << 24)
403 	    | ((uint32_t)block[5] << 16)
404 	    | ((uint32_t)block[6] << 8)
405 	    | (uint32_t)block[7];
406 #ifdef _BIG_ENDIAN
407 	}
408 #endif
409 
410 	ROUND(left, right, 0);
411 	ROUND(left, right, 1);
412 	ROUND(left, right, 2);
413 	ROUND(left, right, 3);
414 	ROUND(left, right, 4);
415 	ROUND(left, right, 5);
416 	ROUND(left, right, 6);
417 	ROUND(left, right, 7);
418 	ROUND(left, right, 8);
419 	ROUND(left, right, 9);
420 	ROUND(left, right, 10);
421 	ROUND(left, right, 11);
422 	ROUND(left, right, 12);
423 	ROUND(left, right, 13);
424 	ROUND(left, right, 14);
425 	ROUND(left, right, 15);
426 
427 	tmp = left;
428 	left = right;
429 	right = tmp;
430 	right ^= P[16];
431 	left ^= P[17];
432 
433 #ifdef _BIG_ENDIAN
434 	if (IS_P2ALIGNED(out_block, sizeof (uint32_t))) {
435 		/* LINTED:  pointer alignment */
436 		b32 = (uint32_t *)out_block;
437 		b32[0] = left;
438 		b32[1] = right;
439 	} else {
440 #endif
441 	/* Put the block back into the user's block with final swap */
442 	out_block[0] = left >> 24;
443 	out_block[1] = left >> 16;
444 	out_block[2] = left >> 8;
445 	out_block[3] = left;
446 	out_block[4] = right >> 24;
447 	out_block[5] = right >> 16;
448 	out_block[6] = right >> 8;
449 	out_block[7] = right;
450 #ifdef _BIG_ENDIAN
451 	}
452 #endif
453 /* EXPORT DELETE END */
454 	return (CRYPTO_SUCCESS);
455 }
456 
457 /*
458  * Decrypt a block of data.  Because of addition operations, convert blocks
459  * to their big-endian representation, even on Intel boxen.
460  * It should look like the blowfish_encrypt_block() operation
461  * except for the order in which the S/P boxes are accessed.
462  */
463 /* ARGSUSED */
464 int
465 blowfish_decrypt_block(const void *cookie, const uint8_t *block,
466     uint8_t *out_block)
467 {
468 /* EXPORT DELETE START */
469 	keysched_t *ksch = (keysched_t *)cookie;
470 
471 	uint32_t left, right, tmp;
472 	uint32_t *P = ksch->ksch_P;
473 	uint32_t *S = ksch->ksch_S;
474 #ifdef _BIG_ENDIAN
475 	uint32_t *b32;
476 
477 	if (IS_P2ALIGNED(block, sizeof (uint32_t))) {
478 		/* LINTED:  pointer alignment */
479 		b32 = (uint32_t *)block;
480 		left = b32[0];
481 		right = b32[1];
482 	} else {
483 #endif
484 	/*
485 	 * Read input block and place in left/right in big-endian order.
486 	 */
487 	left = ((uint32_t)block[0] << 24)
488 	    | ((uint32_t)block[1] << 16)
489 	    | ((uint32_t)block[2] << 8)
490 	    | (uint32_t)block[3];
491 	right = ((uint32_t)block[4] << 24)
492 	    | ((uint32_t)block[5] << 16)
493 	    | ((uint32_t)block[6] << 8)
494 	    | (uint32_t)block[7];
495 #ifdef _BIG_ENDIAN
496 	}
497 #endif
498 
499 	ROUND(left, right, 17);
500 	ROUND(left, right, 16);
501 	ROUND(left, right, 15);
502 	ROUND(left, right, 14);
503 	ROUND(left, right, 13);
504 	ROUND(left, right, 12);
505 	ROUND(left, right, 11);
506 	ROUND(left, right, 10);
507 	ROUND(left, right, 9);
508 	ROUND(left, right, 8);
509 	ROUND(left, right, 7);
510 	ROUND(left, right, 6);
511 	ROUND(left, right, 5);
512 	ROUND(left, right, 4);
513 	ROUND(left, right, 3);
514 	ROUND(left, right, 2);
515 
516 	tmp = left;
517 	left = right;
518 	right = tmp;
519 	right ^= P[1];
520 	left ^= P[0];
521 
522 #ifdef _BIG_ENDIAN
523 	if (IS_P2ALIGNED(out_block, sizeof (uint32_t))) {
524 		/* LINTED:  pointer alignment */
525 		b32 = (uint32_t *)out_block;
526 		b32[0] = left;
527 		b32[1] = right;
528 	} else {
529 #endif
530 	/* Put the block back into the user's block with final swap */
531 	out_block[0] = left >> 24;
532 	out_block[1] = left >> 16;
533 	out_block[2] = left >> 8;
534 	out_block[3] = left;
535 	out_block[4] = right >> 24;
536 	out_block[5] = right >> 16;
537 	out_block[6] = right >> 8;
538 	out_block[7] = right;
539 #ifdef _BIG_ENDIAN
540 	}
541 #endif
542 /* EXPORT DELETE END */
543 	return (CRYPTO_SUCCESS);
544 }
545 
546 static void
547 bitrepeat(uint8_t *pattern, uint_t len_bytes, uint_t len_bits, uint8_t *dst,
548     uint_t dst_len_bytes)
549 {
550 /* EXPORT DELETE START */
551 	uint8_t *current = dst;
552 	uint_t bitsleft = dst_len_bytes << 3;
553 	uint_t bitoffset = 0;
554 	uint_t currentbits;
555 	int i;
556 
557 	BLOWFISH_ASSERT(((len_bits + 7) >> 3) == len_bytes);
558 
559 	bzero(dst, dst_len_bytes);
560 
561 	while (bitsleft != 0) {
562 		if (bitsleft >= len_bits) {
563 			currentbits = len_bits;
564 
565 			for (i = 0; i < len_bytes; i++) {
566 				if (currentbits >= 8) {
567 					*current++ |= pattern[i] >> bitoffset;
568 					*current |= pattern[i] << 8 - bitoffset;
569 					currentbits -= 8;
570 				} else {
571 					*current |= pattern[i] >> bitoffset;
572 					bitoffset = bitoffset + currentbits;
573 					bitoffset &= 0x7;
574 					if (bitoffset == 0)
575 						current++;
576 				}
577 			}
578 			bitsleft -= len_bits;
579 		} else {
580 			currentbits = bitsleft;
581 
582 			for (i = 0; i < len_bytes && bitsleft != 0; i++) {
583 				if (currentbits >= 8 &&
584 				    current < dst + dst_len_bytes) {
585 					*current++ |= pattern[i] >> bitoffset;
586 					*current |= pattern[i] << 8 - bitoffset;
587 					currentbits -= 8;
588 					bitsleft -= 8;
589 				} else {
590 					*current |= pattern[i] >> bitoffset;
591 					bitsleft -= bitoffset;
592 					bitoffset = bitoffset + currentbits;
593 					bitoffset &= 0x7;
594 					if (bitoffset == 0)
595 						current++;
596 					currentbits = 0;
597 				}
598 			}
599 			bitsleft = 0;
600 		}
601 	}
602 /* EXPORT DELETE END */
603 }
604 
605 /*
606  * Initialize key schedules for Blowfish.
607  */
608 void
609 blowfish_init_keysched(uint8_t *key, uint_t bits, void *keysched)
610 {
611 /* EXPORT DELETE START */
612 	keysched_t *newbie = keysched;
613 	uint32_t *P = newbie->ksch_P;
614 	uint32_t *S = newbie->ksch_S;
615 	uint32_t *initp;
616 	uint32_t tmpblock[] = {0, 0};
617 	uint8_t *rawkeybytes = (uint8_t *)P;
618 	int i, slop, copylen;
619 	uintptr_t bytesleft;
620 	uint_t len;
621 
622 	len = CRYPTO_BITS2BYTES(bits);
623 
624 	if ((bits & 0x7) != 0) {
625 		/*
626 		 * Really slow case, bits aren't on a byte boundary.
627 		 * Keep track of individual bits copied over.  :-P
628 		 */
629 		bitrepeat(key, len, bits, rawkeybytes, 72);
630 	} else {
631 		slop = 72 % len;
632 
633 		/* Someone gave us a nice amount (i.e. div by 8) of bits */
634 		while (rawkeybytes != (uint8_t *)(P + 18)) {
635 			bytesleft =
636 			    (uintptr_t)(P + 18) - (uintptr_t)rawkeybytes;
637 			copylen = (bytesleft >= len) ? len : slop;
638 			bcopy(key, rawkeybytes, copylen);
639 			rawkeybytes += copylen;
640 		}
641 	}
642 
643 	for (i = 0; i < 18; i++)
644 		P[i] = ntohl(P[i]) ^ init_P[i];
645 
646 	/* Go bcopy go!  (Hope that Ultra's bcopy is faster than me!) */
647 	bcopy(init_S, S, sizeof (init_S));
648 
649 	/*
650 	 * When initializing P and S boxes, store the results of a single
651 	 * encrypt-block operation in "host order", which on little-endian
652 	 * means byte-swapping.  Fortunately, the ntohl() function does this
653 	 * quite nicely, and it a NOP on big-endian machine.
654 	 */
655 	initp = P;
656 	for (i = 0; i < 9; i++) {
657 		(void) blowfish_encrypt_block(newbie, (uint8_t *)tmpblock,
658 		    (uint8_t *)tmpblock);
659 		*initp++ = ntohl(tmpblock[0]);
660 		*initp++ = ntohl(tmpblock[1]);
661 	}
662 
663 	initp = S;
664 	for (i = 0; i < 512; i++) {
665 		(void) blowfish_encrypt_block(newbie, (uint8_t *)tmpblock,
666 		    (uint8_t *)tmpblock);
667 		*initp++ = ntohl(tmpblock[0]);
668 		*initp++ = ntohl(tmpblock[1]);
669 	}
670 /* EXPORT DELETE END */
671 }
672 
673 /*
674  * Allocate key schedule for Blowfish.
675  */
676 /* ARGSUSED */
677 void *
678 blowfish_alloc_keysched(size_t *size, int kmflag)
679 {
680 /* EXPORT DELETE START */
681 	keysched_t *keysched;
682 
683 #ifdef _KERNEL
684 	keysched = (keysched_t *)kmem_alloc(sizeof (keysched_t), kmflag);
685 #else
686 	keysched = (keysched_t *)malloc(sizeof (keysched_t));
687 #endif /* _KERNEL */
688 	if (keysched != NULL) {
689 		*size = sizeof (keysched_t);
690 		return (keysched);
691 	}
692 /* EXPORT DELETE END */
693 
694 	return (NULL);
695 }
696 
697 void
698 blowfish_copy_block(uint8_t *in, uint8_t *out)
699 {
700 	if (IS_P2ALIGNED(in, sizeof (uint32_t)) &&
701 	    IS_P2ALIGNED(out, sizeof (uint32_t))) {
702 		/* LINTED: pointer alignment */
703 		*(uint32_t *)&out[0] = *(uint32_t *)&in[0];
704 		/* LINTED: pointer alignment */
705 		*(uint32_t *)&out[4] = *(uint32_t *)&in[4];
706 	} else {
707 		BLOWFISH_COPY_BLOCK(in, out);
708 	}
709 }
710 
711 /* XOR block of data into dest */
712 void
713 blowfish_xor_block(uint8_t *data, uint8_t *dst)
714 {
715 	if (IS_P2ALIGNED(dst, sizeof (uint32_t)) &&
716 	    IS_P2ALIGNED(data, sizeof (uint32_t))) {
717 		/* LINTED: pointer alignment */
718 		*(uint32_t *)&dst[0] ^= *(uint32_t *)&data[0];
719 		/* LINTED: pointer alignment */
720 		*(uint32_t *)&dst[4] ^= *(uint32_t *)&data[4];
721 	} else {
722 		BLOWFISH_XOR_BLOCK(data, dst);
723 	}
724 }
725 
726 /*
727  * Encrypt multiple blocks of data according to mode.
728  */
729 int
730 blowfish_encrypt_contiguous_blocks(void *ctx, char *data, size_t length,
731     crypto_data_t *out)
732 {
733 	blowfish_ctx_t *blowfish_ctx = ctx;
734 	int rv;
735 
736 	if (blowfish_ctx->bc_flags & CBC_MODE) {
737 		rv = cbc_encrypt_contiguous_blocks(ctx, data, length, out,
738 		    BLOWFISH_BLOCK_LEN, blowfish_encrypt_block,
739 		    blowfish_copy_block, blowfish_xor_block);
740 	} else {
741 		rv = ecb_cipher_contiguous_blocks(ctx, data, length, out,
742 		    BLOWFISH_BLOCK_LEN, blowfish_encrypt_block);
743 	}
744 	return (rv);
745 }
746 
747 /*
748  * Decrypt multiple blocks of data according to mode.
749  */
750 int
751 blowfish_decrypt_contiguous_blocks(void *ctx, char *data, size_t length,
752     crypto_data_t *out)
753 {
754 	blowfish_ctx_t *blowfish_ctx = ctx;
755 	int rv;
756 
757 	if (blowfish_ctx->bc_flags & CBC_MODE) {
758 		rv = cbc_decrypt_contiguous_blocks(ctx, data, length, out,
759 		    BLOWFISH_BLOCK_LEN, blowfish_decrypt_block,
760 		    blowfish_copy_block, blowfish_xor_block);
761 	} else {
762 		rv = ecb_cipher_contiguous_blocks(ctx, data, length, out,
763 		    BLOWFISH_BLOCK_LEN, blowfish_decrypt_block);
764 		if (rv == CRYPTO_DATA_LEN_RANGE)
765 			rv = CRYPTO_ENCRYPTED_DATA_LEN_RANGE;
766 	}
767 	return (rv);
768 }
769