xref: /openbsd/sys/crypto/rijndael.c (revision 404b540a) 
1 /*	$OpenBSD: rijndael.c,v 1.19 2008/06/09 07:49:45 djm Exp $ */
2 
3 /**
4  * rijndael-alg-fst.c
5  *
6  * @version 3.0 (December 2000)
7  *
8  * Optimised ANSI C code for the Rijndael cipher (now AES)
9  *
10  * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
11  * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
12  * @author Paulo Barreto <paulo.barreto@terra.com.br>
13  *
14  * This code is hereby placed in the public domain.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
17  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
26  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 
32 #include <crypto/rijndael.h>
33 
34 #undef FULL_UNROLL
35 
36 /*
37 Te0[x] = S [x].[02, 01, 01, 03];
38 Te1[x] = S [x].[03, 02, 01, 01];
39 Te2[x] = S [x].[01, 03, 02, 01];
40 Te3[x] = S [x].[01, 01, 03, 02];
41 Te4[x] = S [x].[01, 01, 01, 01];
42 
43 Td0[x] = Si[x].[0e, 09, 0d, 0b];
44 Td1[x] = Si[x].[0b, 0e, 09, 0d];
45 Td2[x] = Si[x].[0d, 0b, 0e, 09];
46 Td3[x] = Si[x].[09, 0d, 0b, 0e];
47 Td4[x] = Si[x].[01, 01, 01, 01];
48 */
49 
50 static const u32 Te0[256] = {
51     0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
52     0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
53     0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
54     0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
55     0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
56     0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
57     0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
58     0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
59     0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
60     0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
61     0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
62     0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
63     0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
64     0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
65     0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
66     0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
67     0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
68     0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
69     0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
70     0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
71     0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
72     0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
73     0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
74     0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
75     0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
76     0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
77     0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
78     0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
79     0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
80     0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
81     0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
82     0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
83     0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
84     0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
85     0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
86     0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
87     0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
88     0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
89     0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
90     0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
91     0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
92     0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
93     0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
94     0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
95     0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
96     0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
97     0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
98     0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
99     0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
100     0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
101     0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
102     0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
103     0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
104     0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
105     0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
106     0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
107     0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
108     0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
109     0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
110     0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
111     0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
112     0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
113     0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
114     0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
115 };
116 static const u32 Te1[256] = {
117     0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
118     0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
119     0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
120     0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
121     0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
122     0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
123     0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
124     0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
125     0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
126     0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
127     0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
128     0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
129     0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
130     0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
131     0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
132     0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
133     0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
134     0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
135     0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
136     0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
137     0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
138     0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
139     0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
140     0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
141     0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
142     0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
143     0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
144     0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
145     0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
146     0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
147     0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
148     0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
149     0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
150     0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
151     0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
152     0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
153     0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
154     0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
155     0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
156     0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
157     0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
158     0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
159     0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
160     0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
161     0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
162     0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
163     0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
164     0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
165     0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
166     0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
167     0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
168     0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
169     0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
170     0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
171     0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
172     0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
173     0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
174     0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
175     0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
176     0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
177     0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
178     0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
179     0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
180     0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
181 };
182 static const u32 Te2[256] = {
183     0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
184     0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
185     0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
186     0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
187     0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
188     0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
189     0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
190     0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
191     0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
192     0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
193     0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
194     0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
195     0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
196     0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
197     0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
198     0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
199     0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
200     0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
201     0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
202     0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
203     0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
204     0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
205     0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
206     0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
207     0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
208     0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
209     0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
210     0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
211     0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
212     0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
213     0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
214     0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
215     0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
216     0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
217     0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
218     0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
219     0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
220     0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
221     0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
222     0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
223     0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
224     0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
225     0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
226     0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
227     0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
228     0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
229     0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
230     0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
231     0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
232     0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
233     0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
234     0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
235     0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
236     0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
237     0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
238     0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
239     0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
240     0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
241     0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
242     0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
243     0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
244     0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
245     0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
246     0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
247 };
248 static const u32 Te3[256] = {
249     0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
250     0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
251     0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
252     0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
253     0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
254     0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
255     0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
256     0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
257     0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
258     0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
259     0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
260     0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
261     0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
262     0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
263     0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
264     0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
265     0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
266     0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
267     0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
268     0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
269     0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
270     0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
271     0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
272     0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
273     0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
274     0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
275     0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
276     0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
277     0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
278     0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
279     0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
280     0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
281     0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
282     0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
283     0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
284     0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
285     0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
286     0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
287     0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
288     0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
289     0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
290     0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
291     0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
292     0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
293     0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
294     0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
295     0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
296     0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
297     0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
298     0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
299     0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
300     0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
301     0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
302     0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
303     0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
304     0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
305     0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
306     0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
307     0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
308     0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
309     0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
310     0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
311     0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
312     0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
313 };
314 static const u32 Te4[256] = {
315     0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU,
316     0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U,
317     0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU,
318     0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U,
319     0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU,
320     0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U,
321     0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU,
322     0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U,
323     0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U,
324     0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU,
325     0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U,
326     0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U,
327     0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U,
328     0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU,
329     0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U,
330     0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U,
331     0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU,
332     0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U,
333     0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U,
334     0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U,
335     0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU,
336     0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU,
337     0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U,
338     0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU,
339     0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU,
340     0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U,
341     0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU,
342     0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U,
343     0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU,
344     0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U,
345     0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U,
346     0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U,
347     0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU,
348     0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U,
349     0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU,
350     0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U,
351     0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU,
352     0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U,
353     0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U,
354     0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU,
355     0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU,
356     0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU,
357     0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U,
358     0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U,
359     0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU,
360     0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U,
361     0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU,
362     0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U,
363     0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU,
364     0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U,
365     0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU,
366     0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU,
367     0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U,
368     0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU,
369     0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U,
370     0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU,
371     0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U,
372     0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U,
373     0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U,
374     0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU,
375     0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU,
376     0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U,
377     0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU,
378     0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U,
379 };
380 static const u32 Td0[256] = {
381     0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
382     0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
383     0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
384     0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
385     0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
386     0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
387     0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
388     0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
389     0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
390     0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
391     0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
392     0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
393     0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
394     0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
395     0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
396     0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
397     0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
398     0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
399     0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
400     0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
401     0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
402     0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
403     0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
404     0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
405     0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
406     0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
407     0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
408     0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
409     0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
410     0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
411     0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
412     0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
413     0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
414     0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
415     0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
416     0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
417     0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
418     0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
419     0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
420     0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
421     0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
422     0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
423     0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
424     0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
425     0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
426     0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
427     0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
428     0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
429     0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
430     0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
431     0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
432     0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
433     0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
434     0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
435     0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
436     0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
437     0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
438     0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
439     0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
440     0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
441     0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
442     0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
443     0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
444     0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
445 };
446 static const u32 Td1[256] = {
447     0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
448     0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
449     0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
450     0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
451     0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
452     0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
453     0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
454     0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
455     0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
456     0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
457     0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
458     0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
459     0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
460     0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
461     0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
462     0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
463     0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
464     0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
465     0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
466     0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
467     0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
468     0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
469     0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
470     0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
471     0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
472     0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
473     0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
474     0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
475     0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
476     0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
477     0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
478     0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
479     0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
480     0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
481     0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
482     0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
483     0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
484     0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
485     0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
486     0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
487     0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
488     0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
489     0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
490     0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
491     0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
492     0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
493     0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
494     0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
495     0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
496     0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
497     0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
498     0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
499     0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
500     0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
501     0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
502     0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
503     0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
504     0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
505     0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
506     0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
507     0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
508     0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
509     0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
510     0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
511 };
512 static const u32 Td2[256] = {
513     0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
514     0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
515     0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
516     0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
517     0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
518     0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
519     0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
520     0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
521     0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
522     0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
523     0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
524     0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
525     0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
526     0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
527     0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
528     0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
529     0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
530     0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
531     0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
532     0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
533     0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
534     0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
535     0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
536     0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
537     0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
538     0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
539     0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
540     0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
541     0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
542     0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
543     0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
544     0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
545     0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
546     0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
547     0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
548     0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
549     0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
550     0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
551     0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
552     0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
553     0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
554     0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
555     0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
556     0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
557     0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
558     0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
559     0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
560     0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
561     0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
562     0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
563     0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
564     0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
565     0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
566     0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
567     0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
568     0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
569     0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
570     0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
571     0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
572     0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
573     0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
574     0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
575     0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
576     0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
577 };
578 static const u32 Td3[256] = {
579     0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
580     0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
581     0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
582     0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
583     0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
584     0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
585     0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
586     0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
587     0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
588     0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
589     0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
590     0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
591     0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
592     0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
593     0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
594     0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
595     0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
596     0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
597     0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
598     0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
599     0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
600     0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
601     0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
602     0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
603     0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
604     0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
605     0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
606     0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
607     0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
608     0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
609     0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
610     0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
611     0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
612     0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
613     0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
614     0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
615     0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
616     0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
617     0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
618     0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
619     0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
620     0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
621     0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
622     0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
623     0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
624     0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
625     0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
626     0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
627     0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
628     0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
629     0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
630     0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
631     0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
632     0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
633     0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
634     0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
635     0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
636     0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
637     0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
638     0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
639     0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
640     0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
641     0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
642     0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
643 };
644 static const u32 Td4[256] = {
645     0x52525252U, 0x09090909U, 0x6a6a6a6aU, 0xd5d5d5d5U,
646     0x30303030U, 0x36363636U, 0xa5a5a5a5U, 0x38383838U,
647     0xbfbfbfbfU, 0x40404040U, 0xa3a3a3a3U, 0x9e9e9e9eU,
648     0x81818181U, 0xf3f3f3f3U, 0xd7d7d7d7U, 0xfbfbfbfbU,
649     0x7c7c7c7cU, 0xe3e3e3e3U, 0x39393939U, 0x82828282U,
650     0x9b9b9b9bU, 0x2f2f2f2fU, 0xffffffffU, 0x87878787U,
651     0x34343434U, 0x8e8e8e8eU, 0x43434343U, 0x44444444U,
652     0xc4c4c4c4U, 0xdedededeU, 0xe9e9e9e9U, 0xcbcbcbcbU,
653     0x54545454U, 0x7b7b7b7bU, 0x94949494U, 0x32323232U,
654     0xa6a6a6a6U, 0xc2c2c2c2U, 0x23232323U, 0x3d3d3d3dU,
655     0xeeeeeeeeU, 0x4c4c4c4cU, 0x95959595U, 0x0b0b0b0bU,
656     0x42424242U, 0xfafafafaU, 0xc3c3c3c3U, 0x4e4e4e4eU,
657     0x08080808U, 0x2e2e2e2eU, 0xa1a1a1a1U, 0x66666666U,
658     0x28282828U, 0xd9d9d9d9U, 0x24242424U, 0xb2b2b2b2U,
659     0x76767676U, 0x5b5b5b5bU, 0xa2a2a2a2U, 0x49494949U,
660     0x6d6d6d6dU, 0x8b8b8b8bU, 0xd1d1d1d1U, 0x25252525U,
661     0x72727272U, 0xf8f8f8f8U, 0xf6f6f6f6U, 0x64646464U,
662     0x86868686U, 0x68686868U, 0x98989898U, 0x16161616U,
663     0xd4d4d4d4U, 0xa4a4a4a4U, 0x5c5c5c5cU, 0xccccccccU,
664     0x5d5d5d5dU, 0x65656565U, 0xb6b6b6b6U, 0x92929292U,
665     0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U,
666     0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU,
667     0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U,
668     0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U,
669     0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U,
670     0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU,
671     0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U,
672     0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U,
673     0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU,
674     0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U,
675     0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U,
676     0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU,
677     0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U,
678     0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU,
679     0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU,
680     0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U,
681     0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U,
682     0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U,
683     0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U,
684     0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU,
685     0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U,
686     0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U,
687     0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU,
688     0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU,
689     0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU,
690     0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U,
691     0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU,
692     0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U,
693     0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U,
694     0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U,
695     0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U,
696     0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU,
697     0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U,
698     0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU,
699     0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU,
700     0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU,
701     0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU,
702     0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U,
703     0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU,
704     0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U,
705     0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU,
706     0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U,
707     0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U,
708     0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU,
709 };
710 static const u32 rcon[] = {
711 	0x01000000, 0x02000000, 0x04000000, 0x08000000,
712 	0x10000000, 0x20000000, 0x40000000, 0x80000000,
713 	0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
714 };
715 
716 #define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
717 #define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
718 
719 /**
720  * Expand the cipher key into the encryption key schedule.
721  *
722  * @return	the number of rounds for the given cipher key size.
723  */
724 int
725 rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits)
726 {
727    	int i = 0;
728 	u32 temp;
729 
730 	rk[0] = GETU32(cipherKey     );
731 	rk[1] = GETU32(cipherKey +  4);
732 	rk[2] = GETU32(cipherKey +  8);
733 	rk[3] = GETU32(cipherKey + 12);
734 	if (keyBits == 128) {
735 		for (;;) {
736 			temp  = rk[3];
737 			rk[4] = rk[0] ^
738 				(Te4[(temp >> 16) & 0xff] & 0xff000000) ^
739 				(Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
740 				(Te4[(temp      ) & 0xff] & 0x0000ff00) ^
741 				(Te4[(temp >> 24)       ] & 0x000000ff) ^
742 				rcon[i];
743 			rk[5] = rk[1] ^ rk[4];
744 			rk[6] = rk[2] ^ rk[5];
745 			rk[7] = rk[3] ^ rk[6];
746 			if (++i == 10) {
747 				return 10;
748 			}
749 			rk += 4;
750 		}
751 	}
752 	rk[4] = GETU32(cipherKey + 16);
753 	rk[5] = GETU32(cipherKey + 20);
754 	if (keyBits == 192) {
755 		for (;;) {
756 			temp = rk[ 5];
757 			rk[ 6] = rk[ 0] ^
758 				(Te4[(temp >> 16) & 0xff] & 0xff000000) ^
759 				(Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
760 				(Te4[(temp      ) & 0xff] & 0x0000ff00) ^
761 				(Te4[(temp >> 24)       ] & 0x000000ff) ^
762 				rcon[i];
763 			rk[ 7] = rk[ 1] ^ rk[ 6];
764 			rk[ 8] = rk[ 2] ^ rk[ 7];
765 			rk[ 9] = rk[ 3] ^ rk[ 8];
766 			if (++i == 8) {
767 				return 12;
768 			}
769 			rk[10] = rk[ 4] ^ rk[ 9];
770 			rk[11] = rk[ 5] ^ rk[10];
771 			rk += 6;
772 		}
773 	}
774 	rk[6] = GETU32(cipherKey + 24);
775 	rk[7] = GETU32(cipherKey + 28);
776 	if (keyBits == 256) {
777 		for (;;) {
778 			temp = rk[ 7];
779 			rk[ 8] = rk[ 0] ^
780 				(Te4[(temp >> 16) & 0xff] & 0xff000000) ^
781 				(Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
782 				(Te4[(temp      ) & 0xff] & 0x0000ff00) ^
783 				(Te4[(temp >> 24)       ] & 0x000000ff) ^
784 				rcon[i];
785 			rk[ 9] = rk[ 1] ^ rk[ 8];
786 			rk[10] = rk[ 2] ^ rk[ 9];
787 			rk[11] = rk[ 3] ^ rk[10];
788 			if (++i == 7) {
789 				return 14;
790 			}
791 			temp = rk[11];
792 			rk[12] = rk[ 4] ^
793 				(Te4[(temp >> 24)       ] & 0xff000000) ^
794 				(Te4[(temp >> 16) & 0xff] & 0x00ff0000) ^
795 				(Te4[(temp >>  8) & 0xff] & 0x0000ff00) ^
796 				(Te4[(temp      ) & 0xff] & 0x000000ff);
797 			rk[13] = rk[ 5] ^ rk[12];
798 			rk[14] = rk[ 6] ^ rk[13];
799 		     	rk[15] = rk[ 7] ^ rk[14];
800 			rk += 8;
801 		}
802 	}
803 	return 0;
804 }
805 
806 /**
807  * Expand the cipher key into the decryption key schedule.
808  *
809  * @return	the number of rounds for the given cipher key size.
810  */
811 int
812 rijndaelKeySetupDec(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits)
813 {
814 	int Nr, i, j;
815 	u32 temp;
816 
817 	/* expand the cipher key: */
818 	Nr = rijndaelKeySetupEnc(rk, cipherKey, keyBits);
819 
820 	/* invert the order of the round keys: */
821 	for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) {
822 		temp = rk[i    ]; rk[i    ] = rk[j    ]; rk[j    ] = temp;
823 		temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
824 		temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
825 		temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
826 	}
827 	/* apply the inverse MixColumn transform to all round keys but the first and the last: */
828 	for (i = 1; i < Nr; i++) {
829 		rk += 4;
830 		rk[0] =
831 			Td0[Te4[(rk[0] >> 24)       ] & 0xff] ^
832 			Td1[Te4[(rk[0] >> 16) & 0xff] & 0xff] ^
833 			Td2[Te4[(rk[0] >>  8) & 0xff] & 0xff] ^
834 			Td3[Te4[(rk[0]      ) & 0xff] & 0xff];
835 		rk[1] =
836 			Td0[Te4[(rk[1] >> 24)       ] & 0xff] ^
837 			Td1[Te4[(rk[1] >> 16) & 0xff] & 0xff] ^
838 			Td2[Te4[(rk[1] >>  8) & 0xff] & 0xff] ^
839 			Td3[Te4[(rk[1]      ) & 0xff] & 0xff];
840 		rk[2] =
841 			Td0[Te4[(rk[2] >> 24)       ] & 0xff] ^
842 			Td1[Te4[(rk[2] >> 16) & 0xff] & 0xff] ^
843 			Td2[Te4[(rk[2] >>  8) & 0xff] & 0xff] ^
844 			Td3[Te4[(rk[2]      ) & 0xff] & 0xff];
845 		rk[3] =
846 			Td0[Te4[(rk[3] >> 24)       ] & 0xff] ^
847 			Td1[Te4[(rk[3] >> 16) & 0xff] & 0xff] ^
848 			Td2[Te4[(rk[3] >>  8) & 0xff] & 0xff] ^
849 			Td3[Te4[(rk[3]      ) & 0xff] & 0xff];
850 	}
851 	return Nr;
852 }
853 
854 void
855 rijndaelEncrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 pt[16],
856     u8 ct[16])
857 {
858 	u32 s0, s1, s2, s3, t0, t1, t2, t3;
859 #ifndef FULL_UNROLL
860     int r;
861 #endif /* ?FULL_UNROLL */
862 
863     /*
864 	 * map byte array block to cipher state
865 	 * and add initial round key:
866 	 */
867 	s0 = GETU32(pt     ) ^ rk[0];
868 	s1 = GETU32(pt +  4) ^ rk[1];
869 	s2 = GETU32(pt +  8) ^ rk[2];
870 	s3 = GETU32(pt + 12) ^ rk[3];
871 #ifdef FULL_UNROLL
872     /* round 1: */
873    	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
874    	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
875    	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
876    	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
877    	/* round 2: */
878    	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
879    	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
880    	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
881    	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
882     /* round 3: */
883    	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
884    	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
885    	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
886    	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
887    	/* round 4: */
888    	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
889    	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
890    	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
891    	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
892     /* round 5: */
893    	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
894    	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
895    	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
896    	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
897    	/* round 6: */
898    	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
899    	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
900    	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
901    	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
902     /* round 7: */
903    	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
904    	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
905    	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
906    	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
907    	/* round 8: */
908    	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
909    	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
910    	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
911    	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
912     /* round 9: */
913    	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
914    	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
915    	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
916    	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
917     if (Nr > 10) {
918 	/* round 10: */
919 	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
920 	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41];
921 	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42];
922 	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43];
923 	/* round 11: */
924 	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44];
925 	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45];
926 	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46];
927 	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47];
928 	if (Nr > 12) {
929 	    /* round 12: */
930 	    s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48];
931 	    s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49];
932 	    s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50];
933 	    s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51];
934 	    /* round 13: */
935 	    t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52];
936 	    t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53];
937 	    t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54];
938 	    t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55];
939 	}
940     }
941     rk += Nr << 2;
942 #else  /* !FULL_UNROLL */
943     /*
944 	 * Nr - 1 full rounds:
945 	 */
946     r = Nr >> 1;
947     for (;;) {
948 	t0 =
949 	    Te0[(s0 >> 24)       ] ^
950 	    Te1[(s1 >> 16) & 0xff] ^
951 	    Te2[(s2 >>  8) & 0xff] ^
952 	    Te3[(s3      ) & 0xff] ^
953 	    rk[4];
954 	t1 =
955 	    Te0[(s1 >> 24)       ] ^
956 	    Te1[(s2 >> 16) & 0xff] ^
957 	    Te2[(s3 >>  8) & 0xff] ^
958 	    Te3[(s0      ) & 0xff] ^
959 	    rk[5];
960 	t2 =
961 	    Te0[(s2 >> 24)       ] ^
962 	    Te1[(s3 >> 16) & 0xff] ^
963 	    Te2[(s0 >>  8) & 0xff] ^
964 	    Te3[(s1      ) & 0xff] ^
965 	    rk[6];
966 	t3 =
967 	    Te0[(s3 >> 24)       ] ^
968 	    Te1[(s0 >> 16) & 0xff] ^
969 	    Te2[(s1 >>  8) & 0xff] ^
970 	    Te3[(s2      ) & 0xff] ^
971 	    rk[7];
972 
973 	rk += 8;
974 	if (--r == 0) {
975 	    break;
976 	}
977 
978 	s0 =
979 	    Te0[(t0 >> 24)       ] ^
980 	    Te1[(t1 >> 16) & 0xff] ^
981 	    Te2[(t2 >>  8) & 0xff] ^
982 	    Te3[(t3      ) & 0xff] ^
983 	    rk[0];
984 	s1 =
985 	    Te0[(t1 >> 24)       ] ^
986 	    Te1[(t2 >> 16) & 0xff] ^
987 	    Te2[(t3 >>  8) & 0xff] ^
988 	    Te3[(t0      ) & 0xff] ^
989 	    rk[1];
990 	s2 =
991 	    Te0[(t2 >> 24)       ] ^
992 	    Te1[(t3 >> 16) & 0xff] ^
993 	    Te2[(t0 >>  8) & 0xff] ^
994 	    Te3[(t1      ) & 0xff] ^
995 	    rk[2];
996 	s3 =
997 	    Te0[(t3 >> 24)       ] ^
998 	    Te1[(t0 >> 16) & 0xff] ^
999 	    Te2[(t1 >>  8) & 0xff] ^
1000 	    Te3[(t2      ) & 0xff] ^
1001 	    rk[3];
1002     }
1003 #endif /* ?FULL_UNROLL */
1004     /*
1005 	 * apply last round and
1006 	 * map cipher state to byte array block:
1007 	 */
1008 	s0 =
1009 		(Te4[(t0 >> 24)       ] & 0xff000000) ^
1010 		(Te4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1011 		(Te4[(t2 >>  8) & 0xff] & 0x0000ff00) ^
1012 		(Te4[(t3      ) & 0xff] & 0x000000ff) ^
1013 		rk[0];
1014 	PUTU32(ct     , s0);
1015 	s1 =
1016 		(Te4[(t1 >> 24)       ] & 0xff000000) ^
1017 		(Te4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1018 		(Te4[(t3 >>  8) & 0xff] & 0x0000ff00) ^
1019 		(Te4[(t0      ) & 0xff] & 0x000000ff) ^
1020 		rk[1];
1021 	PUTU32(ct +  4, s1);
1022 	s2 =
1023 		(Te4[(t2 >> 24)       ] & 0xff000000) ^
1024 		(Te4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1025 		(Te4[(t0 >>  8) & 0xff] & 0x0000ff00) ^
1026 		(Te4[(t1      ) & 0xff] & 0x000000ff) ^
1027 		rk[2];
1028 	PUTU32(ct +  8, s2);
1029 	s3 =
1030 		(Te4[(t3 >> 24)       ] & 0xff000000) ^
1031 		(Te4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1032 		(Te4[(t1 >>  8) & 0xff] & 0x0000ff00) ^
1033 		(Te4[(t2      ) & 0xff] & 0x000000ff) ^
1034 		rk[3];
1035 	PUTU32(ct + 12, s3);
1036 }
1037 
1038 static void
1039 rijndaelDecrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 ct[16],
1040     u8 pt[16])
1041 {
1042 	u32 s0, s1, s2, s3, t0, t1, t2, t3;
1043 #ifndef FULL_UNROLL
1044     int r;
1045 #endif /* ?FULL_UNROLL */
1046 
1047     /*
1048 	 * map byte array block to cipher state
1049 	 * and add initial round key:
1050 	 */
1051     s0 = GETU32(ct     ) ^ rk[0];
1052     s1 = GETU32(ct +  4) ^ rk[1];
1053     s2 = GETU32(ct +  8) ^ rk[2];
1054     s3 = GETU32(ct + 12) ^ rk[3];
1055 #ifdef FULL_UNROLL
1056     /* round 1: */
1057     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
1058     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
1059     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
1060     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
1061     /* round 2: */
1062     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
1063     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
1064     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
1065     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
1066     /* round 3: */
1067     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
1068     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
1069     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
1070     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
1071     /* round 4: */
1072     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
1073     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
1074     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
1075     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
1076     /* round 5: */
1077     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
1078     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
1079     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
1080     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
1081     /* round 6: */
1082     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
1083     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
1084     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
1085     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
1086     /* round 7: */
1087     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
1088     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
1089     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
1090     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
1091     /* round 8: */
1092     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
1093     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
1094     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
1095     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
1096     /* round 9: */
1097     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
1098     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
1099     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
1100     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
1101     if (Nr > 10) {
1102 	/* round 10: */
1103 	s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
1104 	s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
1105 	s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
1106 	s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
1107 	/* round 11: */
1108 	t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
1109 	t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
1110 	t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
1111 	t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
1112 	if (Nr > 12) {
1113 	    /* round 12: */
1114 	    s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
1115 	    s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
1116 	    s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
1117 	    s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
1118 	    /* round 13: */
1119 	    t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
1120 	    t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
1121 	    t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
1122 	    t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
1123 	}
1124     }
1125 	rk += Nr << 2;
1126 #else  /* !FULL_UNROLL */
1127     /*
1128      * Nr - 1 full rounds:
1129      */
1130     r = Nr >> 1;
1131     for (;;) {
1132 	t0 =
1133 	    Td0[(s0 >> 24)       ] ^
1134 	    Td1[(s3 >> 16) & 0xff] ^
1135 	    Td2[(s2 >>  8) & 0xff] ^
1136 	    Td3[(s1      ) & 0xff] ^
1137 	    rk[4];
1138 	t1 =
1139 	    Td0[(s1 >> 24)       ] ^
1140 	    Td1[(s0 >> 16) & 0xff] ^
1141 	    Td2[(s3 >>  8) & 0xff] ^
1142 	    Td3[(s2      ) & 0xff] ^
1143 	    rk[5];
1144 	t2 =
1145 	    Td0[(s2 >> 24)       ] ^
1146 	    Td1[(s1 >> 16) & 0xff] ^
1147 	    Td2[(s0 >>  8) & 0xff] ^
1148 	    Td3[(s3      ) & 0xff] ^
1149 	    rk[6];
1150 	t3 =
1151 	    Td0[(s3 >> 24)       ] ^
1152 	    Td1[(s2 >> 16) & 0xff] ^
1153 	    Td2[(s1 >>  8) & 0xff] ^
1154 	    Td3[(s0      ) & 0xff] ^
1155 	    rk[7];
1156 
1157 	rk += 8;
1158 	if (--r == 0) {
1159 	    break;
1160 	}
1161 
1162 	s0 =
1163 	    Td0[(t0 >> 24)       ] ^
1164 	    Td1[(t3 >> 16) & 0xff] ^
1165 	    Td2[(t2 >>  8) & 0xff] ^
1166 	    Td3[(t1      ) & 0xff] ^
1167 	    rk[0];
1168 	s1 =
1169 	    Td0[(t1 >> 24)       ] ^
1170 	    Td1[(t0 >> 16) & 0xff] ^
1171 	    Td2[(t3 >>  8) & 0xff] ^
1172 	    Td3[(t2      ) & 0xff] ^
1173 	    rk[1];
1174 	s2 =
1175 	    Td0[(t2 >> 24)       ] ^
1176 	    Td1[(t1 >> 16) & 0xff] ^
1177 	    Td2[(t0 >>  8) & 0xff] ^
1178 	    Td3[(t3      ) & 0xff] ^
1179 	    rk[2];
1180 	s3 =
1181 	    Td0[(t3 >> 24)       ] ^
1182 	    Td1[(t2 >> 16) & 0xff] ^
1183 	    Td2[(t1 >>  8) & 0xff] ^
1184 	    Td3[(t0      ) & 0xff] ^
1185 	    rk[3];
1186     }
1187 #endif /* ?FULL_UNROLL */
1188     /*
1189 	 * apply last round and
1190 	 * map cipher state to byte array block:
1191 	 */
1192    	s0 =
1193    		(Td4[(t0 >> 24)       ] & 0xff000000) ^
1194    		(Td4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1195    		(Td4[(t2 >>  8) & 0xff] & 0x0000ff00) ^
1196    		(Td4[(t1      ) & 0xff] & 0x000000ff) ^
1197    		rk[0];
1198 	PUTU32(pt     , s0);
1199    	s1 =
1200    		(Td4[(t1 >> 24)       ] & 0xff000000) ^
1201    		(Td4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1202    		(Td4[(t3 >>  8) & 0xff] & 0x0000ff00) ^
1203    		(Td4[(t2      ) & 0xff] & 0x000000ff) ^
1204    		rk[1];
1205 	PUTU32(pt +  4, s1);
1206    	s2 =
1207    		(Td4[(t2 >> 24)       ] & 0xff000000) ^
1208    		(Td4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1209    		(Td4[(t0 >>  8) & 0xff] & 0x0000ff00) ^
1210    		(Td4[(t3      ) & 0xff] & 0x000000ff) ^
1211    		rk[2];
1212 	PUTU32(pt +  8, s2);
1213    	s3 =
1214    		(Td4[(t3 >> 24)       ] & 0xff000000) ^
1215    		(Td4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1216    		(Td4[(t1 >>  8) & 0xff] & 0x0000ff00) ^
1217    		(Td4[(t0      ) & 0xff] & 0x000000ff) ^
1218    		rk[3];
1219 	PUTU32(pt + 12, s3);
1220 }
1221 
1222 /* setup key context for encryption only */
1223 int
1224 rijndael_set_key_enc_only(rijndael_ctx *ctx, const u_char *key, int bits)
1225 {
1226 	int rounds;
1227 
1228 	rounds = rijndaelKeySetupEnc(ctx->ek, key, bits);
1229 	if (rounds == 0)
1230 		return -1;
1231 
1232 	ctx->Nr = rounds;
1233 	ctx->enc_only = 1;
1234 
1235 	return 0;
1236 }
1237 
1238 /* setup key context for both encryption and decryption */
1239 int
1240 rijndael_set_key(rijndael_ctx *ctx, const u_char *key, int bits)
1241 {
1242 	int rounds;
1243 
1244 	rounds = rijndaelKeySetupEnc(ctx->ek, key, bits);
1245 	if (rounds == 0)
1246 		return -1;
1247 	if (rijndaelKeySetupDec(ctx->dk, key, bits) != rounds)
1248 		return -1;
1249 
1250 	ctx->Nr = rounds;
1251 	ctx->enc_only = 0;
1252 
1253 	return 0;
1254 }
1255 
1256 void
1257 rijndael_decrypt(rijndael_ctx *ctx, const u_char *src, u_char *dst)
1258 {
1259 	rijndaelDecrypt(ctx->dk, ctx->Nr, src, dst);
1260 }
1261 
1262 void
1263 rijndael_encrypt(rijndael_ctx *ctx, const u_char *src, u_char *dst)
1264 {
1265 	rijndaelEncrypt(ctx->ek, ctx->Nr, src, dst);
1266 }
1267