xref: /openbsd/sys/crypto/rijndael.c (revision e5dd7070) 
1 /*	$OpenBSD: rijndael.c,v 1.20 2014/11/17 12:27:47 mikeb 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 
42 Td0[x] = Si[x].[0e, 09, 0d, 0b];
43 Td1[x] = Si[x].[0b, 0e, 09, 0d];
44 Td2[x] = Si[x].[0d, 0b, 0e, 09];
45 Td3[x] = Si[x].[09, 0d, 0b, 0e];
46 Td4[x] = Si[x].[01];
47 */
48 
49 static const u32 Te0[256] = {
50     0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
51     0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
52     0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
53     0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
54     0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
55     0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
56     0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
57     0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
58     0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
59     0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
60     0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
61     0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
62     0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
63     0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
64     0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
65     0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
66     0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
67     0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
68     0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
69     0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
70     0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
71     0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
72     0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
73     0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
74     0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
75     0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
76     0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
77     0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
78     0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
79     0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
80     0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
81     0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
82     0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
83     0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
84     0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
85     0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
86     0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
87     0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
88     0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
89     0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
90     0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
91     0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
92     0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
93     0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
94     0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
95     0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
96     0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
97     0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
98     0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
99     0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
100     0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
101     0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
102     0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
103     0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
104     0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
105     0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
106     0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
107     0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
108     0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
109     0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
110     0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
111     0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
112     0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
113     0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
114 };
115 static const u32 Te1[256] = {
116     0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
117     0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
118     0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
119     0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
120     0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
121     0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
122     0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
123     0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
124     0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
125     0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
126     0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
127     0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
128     0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
129     0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
130     0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
131     0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
132     0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
133     0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
134     0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
135     0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
136     0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
137     0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
138     0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
139     0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
140     0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
141     0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
142     0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
143     0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
144     0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
145     0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
146     0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
147     0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
148     0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
149     0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
150     0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
151     0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
152     0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
153     0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
154     0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
155     0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
156     0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
157     0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
158     0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
159     0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
160     0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
161     0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
162     0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
163     0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
164     0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
165     0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
166     0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
167     0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
168     0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
169     0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
170     0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
171     0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
172     0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
173     0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
174     0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
175     0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
176     0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
177     0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
178     0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
179     0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
180 };
181 static const u32 Te2[256] = {
182     0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
183     0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
184     0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
185     0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
186     0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
187     0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
188     0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
189     0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
190     0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
191     0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
192     0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
193     0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
194     0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
195     0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
196     0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
197     0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
198     0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
199     0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
200     0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
201     0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
202     0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
203     0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
204     0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
205     0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
206     0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
207     0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
208     0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
209     0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
210     0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
211     0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
212     0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
213     0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
214     0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
215     0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
216     0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
217     0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
218     0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
219     0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
220     0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
221     0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
222     0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
223     0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
224     0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
225     0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
226     0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
227     0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
228     0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
229     0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
230     0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
231     0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
232     0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
233     0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
234     0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
235     0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
236     0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
237     0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
238     0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
239     0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
240     0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
241     0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
242     0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
243     0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
244     0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
245     0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
246 };
247 static const u32 Te3[256] = {
248     0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
249     0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
250     0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
251     0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
252     0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
253     0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
254     0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
255     0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
256     0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
257     0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
258     0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
259     0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
260     0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
261     0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
262     0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
263     0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
264     0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
265     0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
266     0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
267     0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
268     0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
269     0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
270     0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
271     0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
272     0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
273     0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
274     0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
275     0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
276     0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
277     0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
278     0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
279     0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
280     0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
281     0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
282     0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
283     0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
284     0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
285     0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
286     0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
287     0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
288     0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
289     0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
290     0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
291     0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
292     0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
293     0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
294     0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
295     0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
296     0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
297     0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
298     0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
299     0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
300     0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
301     0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
302     0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
303     0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
304     0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
305     0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
306     0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
307     0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
308     0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
309     0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
310     0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
311     0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
312 };
313 static const u32 Td0[256] = {
314     0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
315     0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
316     0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
317     0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
318     0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
319     0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
320     0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
321     0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
322     0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
323     0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
324     0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
325     0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
326     0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
327     0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
328     0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
329     0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
330     0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
331     0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
332     0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
333     0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
334     0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
335     0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
336     0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
337     0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
338     0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
339     0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
340     0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
341     0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
342     0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
343     0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
344     0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
345     0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
346     0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
347     0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
348     0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
349     0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
350     0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
351     0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
352     0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
353     0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
354     0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
355     0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
356     0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
357     0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
358     0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
359     0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
360     0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
361     0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
362     0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
363     0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
364     0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
365     0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
366     0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
367     0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
368     0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
369     0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
370     0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
371     0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
372     0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
373     0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
374     0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
375     0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
376     0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
377     0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
378 };
379 static const u32 Td1[256] = {
380     0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
381     0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
382     0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
383     0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
384     0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
385     0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
386     0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
387     0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
388     0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
389     0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
390     0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
391     0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
392     0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
393     0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
394     0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
395     0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
396     0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
397     0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
398     0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
399     0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
400     0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
401     0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
402     0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
403     0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
404     0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
405     0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
406     0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
407     0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
408     0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
409     0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
410     0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
411     0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
412     0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
413     0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
414     0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
415     0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
416     0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
417     0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
418     0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
419     0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
420     0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
421     0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
422     0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
423     0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
424     0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
425     0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
426     0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
427     0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
428     0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
429     0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
430     0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
431     0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
432     0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
433     0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
434     0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
435     0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
436     0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
437     0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
438     0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
439     0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
440     0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
441     0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
442     0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
443     0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
444 };
445 static const u32 Td2[256] = {
446     0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
447     0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
448     0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
449     0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
450     0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
451     0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
452     0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
453     0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
454     0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
455     0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
456     0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
457     0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
458     0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
459     0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
460     0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
461     0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
462     0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
463     0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
464     0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
465     0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
466     0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
467     0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
468     0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
469     0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
470     0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
471     0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
472     0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
473     0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
474     0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
475     0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
476     0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
477     0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
478     0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
479     0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
480     0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
481     0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
482     0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
483     0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
484     0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
485     0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
486     0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
487     0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
488     0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
489     0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
490     0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
491     0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
492     0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
493     0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
494     0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
495     0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
496     0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
497     0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
498     0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
499     0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
500     0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
501     0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
502     0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
503     0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
504     0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
505     0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
506     0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
507     0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
508     0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
509     0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
510 };
511 static const u32 Td3[256] = {
512     0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
513     0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
514     0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
515     0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
516     0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
517     0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
518     0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
519     0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
520     0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
521     0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
522     0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
523     0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
524     0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
525     0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
526     0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
527     0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
528     0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
529     0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
530     0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
531     0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
532     0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
533     0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
534     0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
535     0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
536     0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
537     0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
538     0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
539     0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
540     0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
541     0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
542     0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
543     0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
544     0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
545     0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
546     0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
547     0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
548     0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
549     0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
550     0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
551     0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
552     0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
553     0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
554     0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
555     0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
556     0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
557     0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
558     0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
559     0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
560     0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
561     0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
562     0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
563     0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
564     0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
565     0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
566     0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
567     0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
568     0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
569     0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
570     0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
571     0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
572     0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
573     0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
574     0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
575     0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
576 };
577 static const u8 Td4[256] = {
578     0x52U, 0x09U, 0x6aU, 0xd5U, 0x30U, 0x36U, 0xa5U, 0x38U,
579     0xbfU, 0x40U, 0xa3U, 0x9eU, 0x81U, 0xf3U, 0xd7U, 0xfbU,
580     0x7cU, 0xe3U, 0x39U, 0x82U, 0x9bU, 0x2fU, 0xffU, 0x87U,
581     0x34U, 0x8eU, 0x43U, 0x44U, 0xc4U, 0xdeU, 0xe9U, 0xcbU,
582     0x54U, 0x7bU, 0x94U, 0x32U, 0xa6U, 0xc2U, 0x23U, 0x3dU,
583     0xeeU, 0x4cU, 0x95U, 0x0bU, 0x42U, 0xfaU, 0xc3U, 0x4eU,
584     0x08U, 0x2eU, 0xa1U, 0x66U, 0x28U, 0xd9U, 0x24U, 0xb2U,
585     0x76U, 0x5bU, 0xa2U, 0x49U, 0x6dU, 0x8bU, 0xd1U, 0x25U,
586     0x72U, 0xf8U, 0xf6U, 0x64U, 0x86U, 0x68U, 0x98U, 0x16U,
587     0xd4U, 0xa4U, 0x5cU, 0xccU, 0x5dU, 0x65U, 0xb6U, 0x92U,
588     0x6cU, 0x70U, 0x48U, 0x50U, 0xfdU, 0xedU, 0xb9U, 0xdaU,
589     0x5eU, 0x15U, 0x46U, 0x57U, 0xa7U, 0x8dU, 0x9dU, 0x84U,
590     0x90U, 0xd8U, 0xabU, 0x00U, 0x8cU, 0xbcU, 0xd3U, 0x0aU,
591     0xf7U, 0xe4U, 0x58U, 0x05U, 0xb8U, 0xb3U, 0x45U, 0x06U,
592     0xd0U, 0x2cU, 0x1eU, 0x8fU, 0xcaU, 0x3fU, 0x0fU, 0x02U,
593     0xc1U, 0xafU, 0xbdU, 0x03U, 0x01U, 0x13U, 0x8aU, 0x6bU,
594     0x3aU, 0x91U, 0x11U, 0x41U, 0x4fU, 0x67U, 0xdcU, 0xeaU,
595     0x97U, 0xf2U, 0xcfU, 0xceU, 0xf0U, 0xb4U, 0xe6U, 0x73U,
596     0x96U, 0xacU, 0x74U, 0x22U, 0xe7U, 0xadU, 0x35U, 0x85U,
597     0xe2U, 0xf9U, 0x37U, 0xe8U, 0x1cU, 0x75U, 0xdfU, 0x6eU,
598     0x47U, 0xf1U, 0x1aU, 0x71U, 0x1dU, 0x29U, 0xc5U, 0x89U,
599     0x6fU, 0xb7U, 0x62U, 0x0eU, 0xaaU, 0x18U, 0xbeU, 0x1bU,
600     0xfcU, 0x56U, 0x3eU, 0x4bU, 0xc6U, 0xd2U, 0x79U, 0x20U,
601     0x9aU, 0xdbU, 0xc0U, 0xfeU, 0x78U, 0xcdU, 0x5aU, 0xf4U,
602     0x1fU, 0xddU, 0xa8U, 0x33U, 0x88U, 0x07U, 0xc7U, 0x31U,
603     0xb1U, 0x12U, 0x10U, 0x59U, 0x27U, 0x80U, 0xecU, 0x5fU,
604     0x60U, 0x51U, 0x7fU, 0xa9U, 0x19U, 0xb5U, 0x4aU, 0x0dU,
605     0x2dU, 0xe5U, 0x7aU, 0x9fU, 0x93U, 0xc9U, 0x9cU, 0xefU,
606     0xa0U, 0xe0U, 0x3bU, 0x4dU, 0xaeU, 0x2aU, 0xf5U, 0xb0U,
607     0xc8U, 0xebU, 0xbbU, 0x3cU, 0x83U, 0x53U, 0x99U, 0x61U,
608     0x17U, 0x2bU, 0x04U, 0x7eU, 0xbaU, 0x77U, 0xd6U, 0x26U,
609     0xe1U, 0x69U, 0x14U, 0x63U, 0x55U, 0x21U, 0x0cU, 0x7dU,
610 };
611 static const u32 rcon[] = {
612 	0x01000000, 0x02000000, 0x04000000, 0x08000000,
613 	0x10000000, 0x20000000, 0x40000000, 0x80000000,
614 	0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
615 };
616 
617 #define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
618 #define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
619 
620 /**
621  * Expand the cipher key into the encryption key schedule.
622  *
623  * @return	the number of rounds for the given cipher key size.
624  */
625 int
626 rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits)
627 {
628    	int i = 0;
629 	u32 temp;
630 
631 	rk[0] = GETU32(cipherKey     );
632 	rk[1] = GETU32(cipherKey +  4);
633 	rk[2] = GETU32(cipherKey +  8);
634 	rk[3] = GETU32(cipherKey + 12);
635 	if (keyBits == 128) {
636 		for (;;) {
637 			temp  = rk[3];
638 			rk[4] = rk[0] ^
639 				(Te2[(temp >> 16) & 0xff] & 0xff000000) ^
640 				(Te3[(temp >>  8) & 0xff] & 0x00ff0000) ^
641 				(Te0[(temp      ) & 0xff] & 0x0000ff00) ^
642 				(Te1[(temp >> 24)       ] & 0x000000ff) ^
643 				rcon[i];
644 			rk[5] = rk[1] ^ rk[4];
645 			rk[6] = rk[2] ^ rk[5];
646 			rk[7] = rk[3] ^ rk[6];
647 			if (++i == 10) {
648 				return 10;
649 			}
650 			rk += 4;
651 		}
652 	}
653 	rk[4] = GETU32(cipherKey + 16);
654 	rk[5] = GETU32(cipherKey + 20);
655 	if (keyBits == 192) {
656 		for (;;) {
657 			temp = rk[ 5];
658 			rk[ 6] = rk[ 0] ^
659 				(Te2[(temp >> 16) & 0xff] & 0xff000000) ^
660 				(Te3[(temp >>  8) & 0xff] & 0x00ff0000) ^
661 				(Te0[(temp      ) & 0xff] & 0x0000ff00) ^
662 				(Te1[(temp >> 24)       ] & 0x000000ff) ^
663 				rcon[i];
664 			rk[ 7] = rk[ 1] ^ rk[ 6];
665 			rk[ 8] = rk[ 2] ^ rk[ 7];
666 			rk[ 9] = rk[ 3] ^ rk[ 8];
667 			if (++i == 8) {
668 				return 12;
669 			}
670 			rk[10] = rk[ 4] ^ rk[ 9];
671 			rk[11] = rk[ 5] ^ rk[10];
672 			rk += 6;
673 		}
674 	}
675 	rk[6] = GETU32(cipherKey + 24);
676 	rk[7] = GETU32(cipherKey + 28);
677 	if (keyBits == 256) {
678 		for (;;) {
679 			temp = rk[ 7];
680 			rk[ 8] = rk[ 0] ^
681 				(Te2[(temp >> 16) & 0xff] & 0xff000000) ^
682 				(Te3[(temp >>  8) & 0xff] & 0x00ff0000) ^
683 				(Te0[(temp      ) & 0xff] & 0x0000ff00) ^
684 				(Te1[(temp >> 24)       ] & 0x000000ff) ^
685 				rcon[i];
686 			rk[ 9] = rk[ 1] ^ rk[ 8];
687 			rk[10] = rk[ 2] ^ rk[ 9];
688 			rk[11] = rk[ 3] ^ rk[10];
689 			if (++i == 7) {
690 				return 14;
691 			}
692 			temp = rk[11];
693 			rk[12] = rk[ 4] ^
694 				(Te2[(temp >> 24)       ] & 0xff000000) ^
695 				(Te3[(temp >> 16) & 0xff] & 0x00ff0000) ^
696 				(Te0[(temp >>  8) & 0xff] & 0x0000ff00) ^
697 				(Te1[(temp      ) & 0xff] & 0x000000ff);
698 			rk[13] = rk[ 5] ^ rk[12];
699 			rk[14] = rk[ 6] ^ rk[13];
700 		     	rk[15] = rk[ 7] ^ rk[14];
701 			rk += 8;
702 		}
703 	}
704 	return 0;
705 }
706 
707 /**
708  * Expand the cipher key into the decryption key schedule.
709  *
710  * @return	the number of rounds for the given cipher key size.
711  */
712 int
713 rijndaelKeySetupDec(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits)
714 {
715 	int Nr, i, j;
716 	u32 temp;
717 
718 	/* expand the cipher key: */
719 	Nr = rijndaelKeySetupEnc(rk, cipherKey, keyBits);
720 
721 	/* invert the order of the round keys: */
722 	for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) {
723 		temp = rk[i    ]; rk[i    ] = rk[j    ]; rk[j    ] = temp;
724 		temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
725 		temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
726 		temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
727 	}
728 	/* apply the inverse MixColumn transform to all round keys but the first and the last: */
729 	for (i = 1; i < Nr; i++) {
730 		rk += 4;
731 		rk[0] =
732 			Td0[Te1[(rk[0] >> 24)       ] & 0xff] ^
733 			Td1[Te1[(rk[0] >> 16) & 0xff] & 0xff] ^
734 			Td2[Te1[(rk[0] >>  8) & 0xff] & 0xff] ^
735 			Td3[Te1[(rk[0]      ) & 0xff] & 0xff];
736 		rk[1] =
737 			Td0[Te1[(rk[1] >> 24)       ] & 0xff] ^
738 			Td1[Te1[(rk[1] >> 16) & 0xff] & 0xff] ^
739 			Td2[Te1[(rk[1] >>  8) & 0xff] & 0xff] ^
740 			Td3[Te1[(rk[1]      ) & 0xff] & 0xff];
741 		rk[2] =
742 			Td0[Te1[(rk[2] >> 24)       ] & 0xff] ^
743 			Td1[Te1[(rk[2] >> 16) & 0xff] & 0xff] ^
744 			Td2[Te1[(rk[2] >>  8) & 0xff] & 0xff] ^
745 			Td3[Te1[(rk[2]      ) & 0xff] & 0xff];
746 		rk[3] =
747 			Td0[Te1[(rk[3] >> 24)       ] & 0xff] ^
748 			Td1[Te1[(rk[3] >> 16) & 0xff] & 0xff] ^
749 			Td2[Te1[(rk[3] >>  8) & 0xff] & 0xff] ^
750 			Td3[Te1[(rk[3]      ) & 0xff] & 0xff];
751 	}
752 	return Nr;
753 }
754 
755 void
756 rijndaelEncrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 pt[16],
757     u8 ct[16])
758 {
759 	u32 s0, s1, s2, s3, t0, t1, t2, t3;
760 #ifndef FULL_UNROLL
761     int r;
762 #endif /* ?FULL_UNROLL */
763 
764     /*
765 	 * map byte array block to cipher state
766 	 * and add initial round key:
767 	 */
768 	s0 = GETU32(pt     ) ^ rk[0];
769 	s1 = GETU32(pt +  4) ^ rk[1];
770 	s2 = GETU32(pt +  8) ^ rk[2];
771 	s3 = GETU32(pt + 12) ^ rk[3];
772 #ifdef FULL_UNROLL
773     /* round 1: */
774    	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
775    	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
776    	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
777    	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
778    	/* round 2: */
779    	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
780    	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
781    	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
782    	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
783     /* round 3: */
784    	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
785    	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
786    	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
787    	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
788    	/* round 4: */
789    	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
790    	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
791    	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
792    	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
793     /* round 5: */
794    	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
795    	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
796    	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
797    	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
798    	/* round 6: */
799    	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
800    	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
801    	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
802    	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
803     /* round 7: */
804    	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
805    	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
806    	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
807    	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
808    	/* round 8: */
809    	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
810    	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
811    	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
812    	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
813     /* round 9: */
814    	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
815    	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
816    	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
817    	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
818     if (Nr > 10) {
819 	/* round 10: */
820 	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
821 	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41];
822 	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42];
823 	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43];
824 	/* round 11: */
825 	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44];
826 	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45];
827 	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46];
828 	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47];
829 	if (Nr > 12) {
830 	    /* round 12: */
831 	    s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48];
832 	    s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49];
833 	    s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50];
834 	    s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51];
835 	    /* round 13: */
836 	    t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52];
837 	    t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53];
838 	    t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54];
839 	    t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55];
840 	}
841     }
842     rk += Nr << 2;
843 #else  /* !FULL_UNROLL */
844     /*
845 	 * Nr - 1 full rounds:
846 	 */
847     r = Nr >> 1;
848     for (;;) {
849 	t0 =
850 	    Te0[(s0 >> 24)       ] ^
851 	    Te1[(s1 >> 16) & 0xff] ^
852 	    Te2[(s2 >>  8) & 0xff] ^
853 	    Te3[(s3      ) & 0xff] ^
854 	    rk[4];
855 	t1 =
856 	    Te0[(s1 >> 24)       ] ^
857 	    Te1[(s2 >> 16) & 0xff] ^
858 	    Te2[(s3 >>  8) & 0xff] ^
859 	    Te3[(s0      ) & 0xff] ^
860 	    rk[5];
861 	t2 =
862 	    Te0[(s2 >> 24)       ] ^
863 	    Te1[(s3 >> 16) & 0xff] ^
864 	    Te2[(s0 >>  8) & 0xff] ^
865 	    Te3[(s1      ) & 0xff] ^
866 	    rk[6];
867 	t3 =
868 	    Te0[(s3 >> 24)       ] ^
869 	    Te1[(s0 >> 16) & 0xff] ^
870 	    Te2[(s1 >>  8) & 0xff] ^
871 	    Te3[(s2      ) & 0xff] ^
872 	    rk[7];
873 
874 	rk += 8;
875 	if (--r == 0) {
876 	    break;
877 	}
878 
879 	s0 =
880 	    Te0[(t0 >> 24)       ] ^
881 	    Te1[(t1 >> 16) & 0xff] ^
882 	    Te2[(t2 >>  8) & 0xff] ^
883 	    Te3[(t3      ) & 0xff] ^
884 	    rk[0];
885 	s1 =
886 	    Te0[(t1 >> 24)       ] ^
887 	    Te1[(t2 >> 16) & 0xff] ^
888 	    Te2[(t3 >>  8) & 0xff] ^
889 	    Te3[(t0      ) & 0xff] ^
890 	    rk[1];
891 	s2 =
892 	    Te0[(t2 >> 24)       ] ^
893 	    Te1[(t3 >> 16) & 0xff] ^
894 	    Te2[(t0 >>  8) & 0xff] ^
895 	    Te3[(t1      ) & 0xff] ^
896 	    rk[2];
897 	s3 =
898 	    Te0[(t3 >> 24)       ] ^
899 	    Te1[(t0 >> 16) & 0xff] ^
900 	    Te2[(t1 >>  8) & 0xff] ^
901 	    Te3[(t2      ) & 0xff] ^
902 	    rk[3];
903     }
904 #endif /* ?FULL_UNROLL */
905     /*
906 	 * apply last round and
907 	 * map cipher state to byte array block:
908 	 */
909 	s0 =
910 		(Te2[(t0 >> 24)       ] & 0xff000000) ^
911 		(Te3[(t1 >> 16) & 0xff] & 0x00ff0000) ^
912 		(Te0[(t2 >>  8) & 0xff] & 0x0000ff00) ^
913 		(Te1[(t3      ) & 0xff] & 0x000000ff) ^
914 		rk[0];
915 	PUTU32(ct     , s0);
916 	s1 =
917 		(Te2[(t1 >> 24)       ] & 0xff000000) ^
918 		(Te3[(t2 >> 16) & 0xff] & 0x00ff0000) ^
919 		(Te0[(t3 >>  8) & 0xff] & 0x0000ff00) ^
920 		(Te1[(t0      ) & 0xff] & 0x000000ff) ^
921 		rk[1];
922 	PUTU32(ct +  4, s1);
923 	s2 =
924 		(Te2[(t2 >> 24)       ] & 0xff000000) ^
925 		(Te3[(t3 >> 16) & 0xff] & 0x00ff0000) ^
926 		(Te0[(t0 >>  8) & 0xff] & 0x0000ff00) ^
927 		(Te1[(t1      ) & 0xff] & 0x000000ff) ^
928 		rk[2];
929 	PUTU32(ct +  8, s2);
930 	s3 =
931 		(Te2[(t3 >> 24)       ] & 0xff000000) ^
932 		(Te3[(t0 >> 16) & 0xff] & 0x00ff0000) ^
933 		(Te0[(t1 >>  8) & 0xff] & 0x0000ff00) ^
934 		(Te1[(t2      ) & 0xff] & 0x000000ff) ^
935 		rk[3];
936 	PUTU32(ct + 12, s3);
937 }
938 
939 static void
940 rijndaelDecrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 ct[16],
941     u8 pt[16])
942 {
943 	u32 s0, s1, s2, s3, t0, t1, t2, t3;
944 #ifndef FULL_UNROLL
945     int r;
946 #endif /* ?FULL_UNROLL */
947 
948     /*
949 	 * map byte array block to cipher state
950 	 * and add initial round key:
951 	 */
952     s0 = GETU32(ct     ) ^ rk[0];
953     s1 = GETU32(ct +  4) ^ rk[1];
954     s2 = GETU32(ct +  8) ^ rk[2];
955     s3 = GETU32(ct + 12) ^ rk[3];
956 #ifdef FULL_UNROLL
957     /* round 1: */
958     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
959     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
960     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
961     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
962     /* round 2: */
963     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
964     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
965     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
966     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
967     /* round 3: */
968     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
969     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
970     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
971     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
972     /* round 4: */
973     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
974     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
975     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
976     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
977     /* round 5: */
978     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
979     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
980     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
981     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
982     /* round 6: */
983     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
984     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
985     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
986     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
987     /* round 7: */
988     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
989     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
990     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
991     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
992     /* round 8: */
993     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
994     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
995     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
996     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
997     /* round 9: */
998     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
999     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
1000     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
1001     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
1002     if (Nr > 10) {
1003 	/* round 10: */
1004 	s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
1005 	s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
1006 	s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
1007 	s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
1008 	/* round 11: */
1009 	t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
1010 	t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
1011 	t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
1012 	t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
1013 	if (Nr > 12) {
1014 	    /* round 12: */
1015 	    s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
1016 	    s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
1017 	    s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
1018 	    s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
1019 	    /* round 13: */
1020 	    t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
1021 	    t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
1022 	    t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
1023 	    t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
1024 	}
1025     }
1026 	rk += Nr << 2;
1027 #else  /* !FULL_UNROLL */
1028     /*
1029      * Nr - 1 full rounds:
1030      */
1031     r = Nr >> 1;
1032     for (;;) {
1033 	t0 =
1034 	    Td0[(s0 >> 24)       ] ^
1035 	    Td1[(s3 >> 16) & 0xff] ^
1036 	    Td2[(s2 >>  8) & 0xff] ^
1037 	    Td3[(s1      ) & 0xff] ^
1038 	    rk[4];
1039 	t1 =
1040 	    Td0[(s1 >> 24)       ] ^
1041 	    Td1[(s0 >> 16) & 0xff] ^
1042 	    Td2[(s3 >>  8) & 0xff] ^
1043 	    Td3[(s2      ) & 0xff] ^
1044 	    rk[5];
1045 	t2 =
1046 	    Td0[(s2 >> 24)       ] ^
1047 	    Td1[(s1 >> 16) & 0xff] ^
1048 	    Td2[(s0 >>  8) & 0xff] ^
1049 	    Td3[(s3      ) & 0xff] ^
1050 	    rk[6];
1051 	t3 =
1052 	    Td0[(s3 >> 24)       ] ^
1053 	    Td1[(s2 >> 16) & 0xff] ^
1054 	    Td2[(s1 >>  8) & 0xff] ^
1055 	    Td3[(s0      ) & 0xff] ^
1056 	    rk[7];
1057 
1058 	rk += 8;
1059 	if (--r == 0) {
1060 	    break;
1061 	}
1062 
1063 	s0 =
1064 	    Td0[(t0 >> 24)       ] ^
1065 	    Td1[(t3 >> 16) & 0xff] ^
1066 	    Td2[(t2 >>  8) & 0xff] ^
1067 	    Td3[(t1      ) & 0xff] ^
1068 	    rk[0];
1069 	s1 =
1070 	    Td0[(t1 >> 24)       ] ^
1071 	    Td1[(t0 >> 16) & 0xff] ^
1072 	    Td2[(t3 >>  8) & 0xff] ^
1073 	    Td3[(t2      ) & 0xff] ^
1074 	    rk[1];
1075 	s2 =
1076 	    Td0[(t2 >> 24)       ] ^
1077 	    Td1[(t1 >> 16) & 0xff] ^
1078 	    Td2[(t0 >>  8) & 0xff] ^
1079 	    Td3[(t3      ) & 0xff] ^
1080 	    rk[2];
1081 	s3 =
1082 	    Td0[(t3 >> 24)       ] ^
1083 	    Td1[(t2 >> 16) & 0xff] ^
1084 	    Td2[(t1 >>  8) & 0xff] ^
1085 	    Td3[(t0      ) & 0xff] ^
1086 	    rk[3];
1087     }
1088 #endif /* ?FULL_UNROLL */
1089     /*
1090 	 * apply last round and
1091 	 * map cipher state to byte array block:
1092 	 */
1093    	s0 =
1094    		(Td4[(t0 >> 24)       ] << 24) ^
1095    		(Td4[(t3 >> 16) & 0xff] << 16) ^
1096    		(Td4[(t2 >>  8) & 0xff] <<  8) ^
1097    		(Td4[(t1      ) & 0xff])       ^
1098    		rk[0];
1099 	PUTU32(pt     , s0);
1100    	s1 =
1101    		(Td4[(t1 >> 24)       ] << 24) ^
1102    		(Td4[(t0 >> 16) & 0xff] << 16) ^
1103    		(Td4[(t3 >>  8) & 0xff] <<  8) ^
1104    		(Td4[(t2      ) & 0xff])       ^
1105    		rk[1];
1106 	PUTU32(pt +  4, s1);
1107    	s2 =
1108    		(Td4[(t2 >> 24)       ] << 24) ^
1109    		(Td4[(t1 >> 16) & 0xff] << 16) ^
1110    		(Td4[(t0 >>  8) & 0xff] <<  8) ^
1111    		(Td4[(t3      ) & 0xff])       ^
1112    		rk[2];
1113 	PUTU32(pt +  8, s2);
1114    	s3 =
1115    		(Td4[(t3 >> 24)       ] << 24) ^
1116    		(Td4[(t2 >> 16) & 0xff] << 16) ^
1117    		(Td4[(t1 >>  8) & 0xff] <<  8) ^
1118    		(Td4[(t0      ) & 0xff])       ^
1119    		rk[3];
1120 	PUTU32(pt + 12, s3);
1121 }
1122 
1123 /* setup key context for encryption only */
1124 int
1125 rijndael_set_key_enc_only(rijndael_ctx *ctx, const u_char *key, int bits)
1126 {
1127 	int rounds;
1128 
1129 	rounds = rijndaelKeySetupEnc(ctx->ek, key, bits);
1130 	if (rounds == 0)
1131 		return -1;
1132 
1133 	ctx->Nr = rounds;
1134 	ctx->enc_only = 1;
1135 
1136 	return 0;
1137 }
1138 
1139 /* setup key context for both encryption and decryption */
1140 int
1141 rijndael_set_key(rijndael_ctx *ctx, const u_char *key, int bits)
1142 {
1143 	int rounds;
1144 
1145 	rounds = rijndaelKeySetupEnc(ctx->ek, key, bits);
1146 	if (rounds == 0)
1147 		return -1;
1148 	if (rijndaelKeySetupDec(ctx->dk, key, bits) != rounds)
1149 		return -1;
1150 
1151 	ctx->Nr = rounds;
1152 	ctx->enc_only = 0;
1153 
1154 	return 0;
1155 }
1156 
1157 void
1158 rijndael_decrypt(rijndael_ctx *ctx, const u_char *src, u_char *dst)
1159 {
1160 	rijndaelDecrypt(ctx->dk, ctx->Nr, src, dst);
1161 }
1162 
1163 void
1164 rijndael_encrypt(rijndael_ctx *ctx, const u_char *src, u_char *dst)
1165 {
1166 	rijndaelEncrypt(ctx->ek, ctx->Nr, src, dst);
1167 }
1168