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packing update
[qemu] / aes.c
1 /**
2  *
3  * aes.c - integrated in QEMU by Fabrice Bellard from the OpenSSL project.
4  */
5 /*
6  * rijndael-alg-fst.c
7  *
8  * @version 3.0 (December 2000)
9  *
10  * Optimised ANSI C code for the Rijndael cipher (now AES)
11  *
12  * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
13  * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
14  * @author Paulo Barreto <paulo.barreto@terra.com.br>
15  *
16  * This code is hereby placed in the public domain.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
19  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
25  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
27  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 #include "qemu-common.h"
31 #include "aes.h"
32
33 #ifndef NDEBUG
34 #define NDEBUG
35 #endif
36
37 #include <assert.h>
38
39 typedef uint32_t u32;
40 typedef uint16_t u16;
41 typedef uint8_t u8;
42
43 #define MAXKC   (256/32)
44 #define MAXKB   (256/8)
45 #define MAXNR   14
46
47 /* This controls loop-unrolling in aes_core.c */
48 #undef FULL_UNROLL
49 # define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
50 # define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
51
52 /*
53 Te0[x] = S [x].[02, 01, 01, 03];
54 Te1[x] = S [x].[03, 02, 01, 01];
55 Te2[x] = S [x].[01, 03, 02, 01];
56 Te3[x] = S [x].[01, 01, 03, 02];
57 Te4[x] = S [x].[01, 01, 01, 01];
58
59 Td0[x] = Si[x].[0e, 09, 0d, 0b];
60 Td1[x] = Si[x].[0b, 0e, 09, 0d];
61 Td2[x] = Si[x].[0d, 0b, 0e, 09];
62 Td3[x] = Si[x].[09, 0d, 0b, 0e];
63 Td4[x] = Si[x].[01, 01, 01, 01];
64 */
65
66 static const u32 Te0[256] = {
67     0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
68     0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
69     0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
70     0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
71     0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
72     0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
73     0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
74     0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
75     0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
76     0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
77     0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
78     0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
79     0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
80     0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
81     0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
82     0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
83     0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
84     0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
85     0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
86     0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
87     0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
88     0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
89     0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
90     0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
91     0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
92     0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
93     0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
94     0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
95     0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
96     0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
97     0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
98     0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
99     0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
100     0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
101     0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
102     0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
103     0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
104     0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
105     0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
106     0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
107     0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
108     0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
109     0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
110     0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
111     0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
112     0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
113     0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
114     0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
115     0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
116     0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
117     0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
118     0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
119     0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
120     0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
121     0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
122     0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
123     0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
124     0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
125     0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
126     0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
127     0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
128     0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
129     0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
130     0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
131 };
132 static const u32 Te1[256] = {
133     0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
134     0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
135     0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
136     0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
137     0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
138     0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
139     0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
140     0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
141     0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
142     0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
143     0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
144     0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
145     0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
146     0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
147     0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
148     0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
149     0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
150     0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
151     0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
152     0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
153     0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
154     0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
155     0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
156     0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
157     0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
158     0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
159     0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
160     0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
161     0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
162     0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
163     0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
164     0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
165     0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
166     0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
167     0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
168     0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
169     0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
170     0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
171     0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
172     0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
173     0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
174     0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
175     0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
176     0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
177     0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
178     0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
179     0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
180     0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
181     0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
182     0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
183     0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
184     0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
185     0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
186     0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
187     0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
188     0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
189     0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
190     0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
191     0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
192     0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
193     0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
194     0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
195     0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
196     0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
197 };
198 static const u32 Te2[256] = {
199     0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
200     0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
201     0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
202     0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
203     0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
204     0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
205     0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
206     0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
207     0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
208     0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
209     0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
210     0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
211     0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
212     0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
213     0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
214     0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
215     0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
216     0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
217     0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
218     0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
219     0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
220     0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
221     0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
222     0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
223     0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
224     0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
225     0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
226     0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
227     0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
228     0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
229     0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
230     0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
231     0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
232     0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
233     0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
234     0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
235     0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
236     0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
237     0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
238     0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
239     0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
240     0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
241     0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
242     0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
243     0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
244     0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
245     0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
246     0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
247     0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
248     0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
249     0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
250     0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
251     0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
252     0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
253     0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
254     0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
255     0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
256     0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
257     0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
258     0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
259     0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
260     0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
261     0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
262     0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
263 };
264 static const u32 Te3[256] = {
265
266     0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
267     0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
268     0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
269     0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
270     0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
271     0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
272     0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
273     0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
274     0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
275     0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
276     0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
277     0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
278     0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
279     0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
280     0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
281     0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
282     0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
283     0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
284     0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
285     0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
286     0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
287     0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
288     0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
289     0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
290     0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
291     0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
292     0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
293     0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
294     0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
295     0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
296     0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
297     0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
298     0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
299     0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
300     0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
301     0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
302     0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
303     0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
304     0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
305     0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
306     0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
307     0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
308     0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
309     0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
310     0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
311     0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
312     0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
313     0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
314     0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
315     0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
316     0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
317     0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
318     0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
319     0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
320     0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
321     0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
322     0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
323     0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
324     0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
325     0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
326     0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
327     0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
328     0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
329     0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
330 };
331 static const u32 Te4[256] = {
332     0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU,
333     0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U,
334     0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU,
335     0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U,
336     0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU,
337     0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U,
338     0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU,
339     0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U,
340     0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U,
341     0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU,
342     0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U,
343     0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U,
344     0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U,
345     0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU,
346     0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U,
347     0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U,
348     0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU,
349     0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U,
350     0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U,
351     0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U,
352     0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU,
353     0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU,
354     0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U,
355     0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU,
356     0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU,
357     0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U,
358     0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU,
359     0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U,
360     0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU,
361     0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U,
362     0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U,
363     0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U,
364     0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU,
365     0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U,
366     0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU,
367     0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U,
368     0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU,
369     0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U,
370     0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U,
371     0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU,
372     0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU,
373     0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU,
374     0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U,
375     0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U,
376     0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU,
377     0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U,
378     0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU,
379     0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U,
380     0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU,
381     0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U,
382     0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU,
383     0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU,
384     0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U,
385     0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU,
386     0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U,
387     0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU,
388     0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U,
389     0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U,
390     0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U,
391     0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU,
392     0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU,
393     0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U,
394     0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU,
395     0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U,
396 };
397 static const u32 Td0[256] = {
398     0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
399     0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
400     0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
401     0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
402     0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
403     0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
404     0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
405     0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
406     0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
407     0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
408     0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
409     0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
410     0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
411     0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
412     0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
413     0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
414     0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
415     0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
416     0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
417     0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
418     0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
419     0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
420     0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
421     0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
422     0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
423     0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
424     0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
425     0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
426     0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
427     0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
428     0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
429     0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
430     0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
431     0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
432     0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
433     0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
434     0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
435     0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
436     0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
437     0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
438     0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
439     0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
440     0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
441     0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
442     0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
443     0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
444     0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
445     0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
446     0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
447     0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
448     0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
449     0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
450     0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
451     0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
452     0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
453     0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
454     0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
455     0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
456     0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
457     0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
458     0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
459     0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
460     0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
461     0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
462 };
463 static const u32 Td1[256] = {
464     0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
465     0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
466     0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
467     0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
468     0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
469     0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
470     0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
471     0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
472     0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
473     0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
474     0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
475     0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
476     0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
477     0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
478     0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
479     0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
480     0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
481     0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
482     0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
483     0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
484     0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
485     0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
486     0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
487     0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
488     0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
489     0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
490     0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
491     0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
492     0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
493     0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
494     0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
495     0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
496     0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
497     0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
498     0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
499     0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
500     0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
501     0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
502     0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
503     0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
504     0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
505     0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
506     0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
507     0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
508     0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
509     0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
510     0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
511     0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
512     0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
513     0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
514     0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
515     0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
516     0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
517     0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
518     0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
519     0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
520     0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
521     0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
522     0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
523     0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
524     0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
525     0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
526     0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
527     0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
528 };
529 static const u32 Td2[256] = {
530     0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
531     0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
532     0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
533     0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
534     0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
535     0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
536     0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
537     0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
538     0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
539     0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
540     0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
541     0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
542     0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
543     0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
544     0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
545     0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
546     0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
547     0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
548     0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
549     0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
550
551     0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
552     0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
553     0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
554     0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
555     0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
556     0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
557     0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
558     0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
559     0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
560     0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
561     0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
562     0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
563     0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
564     0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
565     0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
566     0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
567     0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
568     0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
569     0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
570     0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
571     0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
572     0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
573     0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
574     0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
575     0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
576     0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
577     0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
578     0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
579     0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
580     0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
581     0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
582     0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
583     0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
584     0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
585     0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
586     0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
587     0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
588     0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
589     0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
590     0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
591     0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
592     0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
593     0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
594     0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
595 };
596 static const u32 Td3[256] = {
597     0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
598     0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
599     0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
600     0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
601     0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
602     0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
603     0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
604     0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
605     0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
606     0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
607     0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
608     0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
609     0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
610     0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
611     0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
612     0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
613     0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
614     0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
615     0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
616     0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
617     0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
618     0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
619     0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
620     0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
621     0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
622     0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
623     0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
624     0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
625     0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
626     0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
627     0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
628     0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
629     0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
630     0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
631     0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
632     0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
633     0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
634     0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
635     0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
636     0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
637     0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
638     0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
639     0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
640     0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
641     0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
642     0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
643     0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
644     0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
645     0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
646     0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
647     0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
648     0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
649     0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
650     0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
651     0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
652     0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
653     0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
654     0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
655     0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
656     0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
657     0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
658     0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
659     0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
660     0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
661 };
662 static const u32 Td4[256] = {
663     0x52525252U, 0x09090909U, 0x6a6a6a6aU, 0xd5d5d5d5U,
664     0x30303030U, 0x36363636U, 0xa5a5a5a5U, 0x38383838U,
665     0xbfbfbfbfU, 0x40404040U, 0xa3a3a3a3U, 0x9e9e9e9eU,
666     0x81818181U, 0xf3f3f3f3U, 0xd7d7d7d7U, 0xfbfbfbfbU,
667     0x7c7c7c7cU, 0xe3e3e3e3U, 0x39393939U, 0x82828282U,
668     0x9b9b9b9bU, 0x2f2f2f2fU, 0xffffffffU, 0x87878787U,
669     0x34343434U, 0x8e8e8e8eU, 0x43434343U, 0x44444444U,
670     0xc4c4c4c4U, 0xdedededeU, 0xe9e9e9e9U, 0xcbcbcbcbU,
671     0x54545454U, 0x7b7b7b7bU, 0x94949494U, 0x32323232U,
672     0xa6a6a6a6U, 0xc2c2c2c2U, 0x23232323U, 0x3d3d3d3dU,
673     0xeeeeeeeeU, 0x4c4c4c4cU, 0x95959595U, 0x0b0b0b0bU,
674     0x42424242U, 0xfafafafaU, 0xc3c3c3c3U, 0x4e4e4e4eU,
675     0x08080808U, 0x2e2e2e2eU, 0xa1a1a1a1U, 0x66666666U,
676     0x28282828U, 0xd9d9d9d9U, 0x24242424U, 0xb2b2b2b2U,
677     0x76767676U, 0x5b5b5b5bU, 0xa2a2a2a2U, 0x49494949U,
678     0x6d6d6d6dU, 0x8b8b8b8bU, 0xd1d1d1d1U, 0x25252525U,
679     0x72727272U, 0xf8f8f8f8U, 0xf6f6f6f6U, 0x64646464U,
680     0x86868686U, 0x68686868U, 0x98989898U, 0x16161616U,
681     0xd4d4d4d4U, 0xa4a4a4a4U, 0x5c5c5c5cU, 0xccccccccU,
682     0x5d5d5d5dU, 0x65656565U, 0xb6b6b6b6U, 0x92929292U,
683     0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U,
684     0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU,
685     0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U,
686     0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U,
687     0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U,
688     0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU,
689     0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U,
690     0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U,
691     0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU,
692     0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U,
693     0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U,
694     0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU,
695     0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U,
696     0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU,
697     0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU,
698     0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U,
699     0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U,
700     0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U,
701     0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U,
702     0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU,
703     0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U,
704     0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U,
705     0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU,
706     0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU,
707     0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU,
708     0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U,
709     0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU,
710     0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U,
711     0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U,
712     0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U,
713     0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U,
714     0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU,
715     0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U,
716     0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU,
717     0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU,
718     0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU,
719     0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU,
720     0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U,
721     0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU,
722     0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U,
723     0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU,
724     0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U,
725     0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U,
726     0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU,
727 };
728 static const u32 rcon[] = {
729         0x01000000, 0x02000000, 0x04000000, 0x08000000,
730         0x10000000, 0x20000000, 0x40000000, 0x80000000,
731         0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
732 };
733
734 /**
735  * Expand the cipher key into the encryption key schedule.
736  */
737 int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
738                         AES_KEY *key) {
739
740         u32 *rk;
741         int i = 0;
742         u32 temp;
743
744         if (!userKey || !key)
745                 return -1;
746         if (bits != 128 && bits != 192 && bits != 256)
747                 return -2;
748
749         rk = key->rd_key;
750
751         if (bits==128)
752                 key->rounds = 10;
753         else if (bits==192)
754                 key->rounds = 12;
755         else
756                 key->rounds = 14;
757
758         rk[0] = GETU32(userKey     );
759         rk[1] = GETU32(userKey +  4);
760         rk[2] = GETU32(userKey +  8);
761         rk[3] = GETU32(userKey + 12);
762         if (bits == 128) {
763                 while (1) {
764                         temp  = rk[3];
765                         rk[4] = rk[0] ^
766                                 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
767                                 (Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
768                                 (Te4[(temp      ) & 0xff] & 0x0000ff00) ^
769                                 (Te4[(temp >> 24)       ] & 0x000000ff) ^
770                                 rcon[i];
771                         rk[5] = rk[1] ^ rk[4];
772                         rk[6] = rk[2] ^ rk[5];
773                         rk[7] = rk[3] ^ rk[6];
774                         if (++i == 10) {
775                                 return 0;
776                         }
777                         rk += 4;
778                 }
779         }
780         rk[4] = GETU32(userKey + 16);
781         rk[5] = GETU32(userKey + 20);
782         if (bits == 192) {
783                 while (1) {
784                         temp = rk[ 5];
785                         rk[ 6] = rk[ 0] ^
786                                 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
787                                 (Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
788                                 (Te4[(temp      ) & 0xff] & 0x0000ff00) ^
789                                 (Te4[(temp >> 24)       ] & 0x000000ff) ^
790                                 rcon[i];
791                         rk[ 7] = rk[ 1] ^ rk[ 6];
792                         rk[ 8] = rk[ 2] ^ rk[ 7];
793                         rk[ 9] = rk[ 3] ^ rk[ 8];
794                         if (++i == 8) {
795                                 return 0;
796                         }
797                         rk[10] = rk[ 4] ^ rk[ 9];
798                         rk[11] = rk[ 5] ^ rk[10];
799                         rk += 6;
800                 }
801         }
802         rk[6] = GETU32(userKey + 24);
803         rk[7] = GETU32(userKey + 28);
804         if (bits == 256) {
805                 while (1) {
806                         temp = rk[ 7];
807                         rk[ 8] = rk[ 0] ^
808                                 (Te4[(temp >> 16) & 0xff] & 0xff000000) ^
809                                 (Te4[(temp >>  8) & 0xff] & 0x00ff0000) ^
810                                 (Te4[(temp      ) & 0xff] & 0x0000ff00) ^
811                                 (Te4[(temp >> 24)       ] & 0x000000ff) ^
812                                 rcon[i];
813                         rk[ 9] = rk[ 1] ^ rk[ 8];
814                         rk[10] = rk[ 2] ^ rk[ 9];
815                         rk[11] = rk[ 3] ^ rk[10];
816                         if (++i == 7) {
817                                 return 0;
818                         }
819                         temp = rk[11];
820                         rk[12] = rk[ 4] ^
821                                 (Te4[(temp >> 24)       ] & 0xff000000) ^
822                                 (Te4[(temp >> 16) & 0xff] & 0x00ff0000) ^
823                                 (Te4[(temp >>  8) & 0xff] & 0x0000ff00) ^
824                                 (Te4[(temp      ) & 0xff] & 0x000000ff);
825                         rk[13] = rk[ 5] ^ rk[12];
826                         rk[14] = rk[ 6] ^ rk[13];
827                         rk[15] = rk[ 7] ^ rk[14];
828
829                         rk += 8;
830                 }
831         }
832         return 0;
833 }
834
835 /**
836  * Expand the cipher key into the decryption key schedule.
837  */
838 int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
839                          AES_KEY *key) {
840
841         u32 *rk;
842         int i, j, status;
843         u32 temp;
844
845         /* first, start with an encryption schedule */
846         status = AES_set_encrypt_key(userKey, bits, key);
847         if (status < 0)
848                 return status;
849
850         rk = key->rd_key;
851
852         /* invert the order of the round keys: */
853         for (i = 0, j = 4*(key->rounds); i < j; i += 4, j -= 4) {
854                 temp = rk[i    ]; rk[i    ] = rk[j    ]; rk[j    ] = temp;
855                 temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
856                 temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
857                 temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
858         }
859         /* apply the inverse MixColumn transform to all round keys but the first and the last: */
860         for (i = 1; i < (key->rounds); i++) {
861                 rk += 4;
862                 rk[0] =
863                         Td0[Te4[(rk[0] >> 24)       ] & 0xff] ^
864                         Td1[Te4[(rk[0] >> 16) & 0xff] & 0xff] ^
865                         Td2[Te4[(rk[0] >>  8) & 0xff] & 0xff] ^
866                         Td3[Te4[(rk[0]      ) & 0xff] & 0xff];
867                 rk[1] =
868                         Td0[Te4[(rk[1] >> 24)       ] & 0xff] ^
869                         Td1[Te4[(rk[1] >> 16) & 0xff] & 0xff] ^
870                         Td2[Te4[(rk[1] >>  8) & 0xff] & 0xff] ^
871                         Td3[Te4[(rk[1]      ) & 0xff] & 0xff];
872                 rk[2] =
873                         Td0[Te4[(rk[2] >> 24)       ] & 0xff] ^
874                         Td1[Te4[(rk[2] >> 16) & 0xff] & 0xff] ^
875                         Td2[Te4[(rk[2] >>  8) & 0xff] & 0xff] ^
876                         Td3[Te4[(rk[2]      ) & 0xff] & 0xff];
877                 rk[3] =
878                         Td0[Te4[(rk[3] >> 24)       ] & 0xff] ^
879                         Td1[Te4[(rk[3] >> 16) & 0xff] & 0xff] ^
880                         Td2[Te4[(rk[3] >>  8) & 0xff] & 0xff] ^
881                         Td3[Te4[(rk[3]      ) & 0xff] & 0xff];
882         }
883         return 0;
884 }
885
886 #ifndef AES_ASM
887 /*
888  * Encrypt a single block
889  * in and out can overlap
890  */
891 void AES_encrypt(const unsigned char *in, unsigned char *out,
892                  const AES_KEY *key) {
893
894         const u32 *rk;
895         u32 s0, s1, s2, s3, t0, t1, t2, t3;
896 #ifndef FULL_UNROLL
897         int r;
898 #endif /* ?FULL_UNROLL */
899
900         assert(in && out && key);
901         rk = key->rd_key;
902
903         /*
904          * map byte array block to cipher state
905          * and add initial round key:
906          */
907         s0 = GETU32(in     ) ^ rk[0];
908         s1 = GETU32(in +  4) ^ rk[1];
909         s2 = GETU32(in +  8) ^ rk[2];
910         s3 = GETU32(in + 12) ^ rk[3];
911 #ifdef FULL_UNROLL
912         /* round 1: */
913         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
914         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
915         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
916         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
917         /* round 2: */
918         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
919         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
920         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
921         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
922         /* round 3: */
923         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
924         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
925         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
926         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
927         /* round 4: */
928         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
929         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
930         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
931         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
932         /* round 5: */
933         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
934         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
935         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
936         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
937         /* round 6: */
938         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
939         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
940         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
941         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
942         /* round 7: */
943         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
944         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
945         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
946         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
947         /* round 8: */
948         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
949         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
950         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
951         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
952         /* round 9: */
953         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
954         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
955         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
956         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
957     if (key->rounds > 10) {
958         /* round 10: */
959         s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
960         s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41];
961         s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42];
962         s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43];
963         /* round 11: */
964         t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44];
965         t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45];
966         t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46];
967         t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47];
968         if (key->rounds > 12) {
969             /* round 12: */
970             s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48];
971             s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49];
972             s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50];
973             s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51];
974             /* round 13: */
975             t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52];
976             t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53];
977             t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54];
978             t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55];
979         }
980     }
981     rk += key->rounds << 2;
982 #else  /* !FULL_UNROLL */
983     /*
984      * Nr - 1 full rounds:
985      */
986     r = key->rounds >> 1;
987     for (;;) {
988         t0 =
989             Te0[(s0 >> 24)       ] ^
990             Te1[(s1 >> 16) & 0xff] ^
991             Te2[(s2 >>  8) & 0xff] ^
992             Te3[(s3      ) & 0xff] ^
993             rk[4];
994         t1 =
995             Te0[(s1 >> 24)       ] ^
996             Te1[(s2 >> 16) & 0xff] ^
997             Te2[(s3 >>  8) & 0xff] ^
998             Te3[(s0      ) & 0xff] ^
999             rk[5];
1000         t2 =
1001             Te0[(s2 >> 24)       ] ^
1002             Te1[(s3 >> 16) & 0xff] ^
1003             Te2[(s0 >>  8) & 0xff] ^
1004             Te3[(s1      ) & 0xff] ^
1005             rk[6];
1006         t3 =
1007             Te0[(s3 >> 24)       ] ^
1008             Te1[(s0 >> 16) & 0xff] ^
1009             Te2[(s1 >>  8) & 0xff] ^
1010             Te3[(s2      ) & 0xff] ^
1011             rk[7];
1012
1013         rk += 8;
1014         if (--r == 0) {
1015             break;
1016         }
1017
1018         s0 =
1019             Te0[(t0 >> 24)       ] ^
1020             Te1[(t1 >> 16) & 0xff] ^
1021             Te2[(t2 >>  8) & 0xff] ^
1022             Te3[(t3      ) & 0xff] ^
1023             rk[0];
1024         s1 =
1025             Te0[(t1 >> 24)       ] ^
1026             Te1[(t2 >> 16) & 0xff] ^
1027             Te2[(t3 >>  8) & 0xff] ^
1028             Te3[(t0      ) & 0xff] ^
1029             rk[1];
1030         s2 =
1031             Te0[(t2 >> 24)       ] ^
1032             Te1[(t3 >> 16) & 0xff] ^
1033             Te2[(t0 >>  8) & 0xff] ^
1034             Te3[(t1      ) & 0xff] ^
1035             rk[2];
1036         s3 =
1037             Te0[(t3 >> 24)       ] ^
1038             Te1[(t0 >> 16) & 0xff] ^
1039             Te2[(t1 >>  8) & 0xff] ^
1040             Te3[(t2      ) & 0xff] ^
1041             rk[3];
1042     }
1043 #endif /* ?FULL_UNROLL */
1044     /*
1045          * apply last round and
1046          * map cipher state to byte array block:
1047          */
1048         s0 =
1049                 (Te4[(t0 >> 24)       ] & 0xff000000) ^
1050                 (Te4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1051                 (Te4[(t2 >>  8) & 0xff] & 0x0000ff00) ^
1052                 (Te4[(t3      ) & 0xff] & 0x000000ff) ^
1053                 rk[0];
1054         PUTU32(out     , s0);
1055         s1 =
1056                 (Te4[(t1 >> 24)       ] & 0xff000000) ^
1057                 (Te4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1058                 (Te4[(t3 >>  8) & 0xff] & 0x0000ff00) ^
1059                 (Te4[(t0      ) & 0xff] & 0x000000ff) ^
1060                 rk[1];
1061         PUTU32(out +  4, s1);
1062         s2 =
1063                 (Te4[(t2 >> 24)       ] & 0xff000000) ^
1064                 (Te4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1065                 (Te4[(t0 >>  8) & 0xff] & 0x0000ff00) ^
1066                 (Te4[(t1      ) & 0xff] & 0x000000ff) ^
1067                 rk[2];
1068         PUTU32(out +  8, s2);
1069         s3 =
1070                 (Te4[(t3 >> 24)       ] & 0xff000000) ^
1071                 (Te4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1072                 (Te4[(t1 >>  8) & 0xff] & 0x0000ff00) ^
1073                 (Te4[(t2      ) & 0xff] & 0x000000ff) ^
1074                 rk[3];
1075         PUTU32(out + 12, s3);
1076 }
1077
1078 /*
1079  * Decrypt a single block
1080  * in and out can overlap
1081  */
1082 void AES_decrypt(const unsigned char *in, unsigned char *out,
1083                  const AES_KEY *key) {
1084
1085         const u32 *rk;
1086         u32 s0, s1, s2, s3, t0, t1, t2, t3;
1087 #ifndef FULL_UNROLL
1088         int r;
1089 #endif /* ?FULL_UNROLL */
1090
1091         assert(in && out && key);
1092         rk = key->rd_key;
1093
1094         /*
1095          * map byte array block to cipher state
1096          * and add initial round key:
1097          */
1098     s0 = GETU32(in     ) ^ rk[0];
1099     s1 = GETU32(in +  4) ^ rk[1];
1100     s2 = GETU32(in +  8) ^ rk[2];
1101     s3 = GETU32(in + 12) ^ rk[3];
1102 #ifdef FULL_UNROLL
1103     /* round 1: */
1104     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
1105     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
1106     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
1107     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
1108     /* round 2: */
1109     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
1110     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
1111     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
1112     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
1113     /* round 3: */
1114     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
1115     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
1116     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
1117     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
1118     /* round 4: */
1119     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
1120     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
1121     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
1122     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
1123     /* round 5: */
1124     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
1125     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
1126     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
1127     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
1128     /* round 6: */
1129     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
1130     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
1131     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
1132     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
1133     /* round 7: */
1134     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
1135     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
1136     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
1137     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
1138     /* round 8: */
1139     s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
1140     s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
1141     s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
1142     s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
1143     /* round 9: */
1144     t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
1145     t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
1146     t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
1147     t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
1148     if (key->rounds > 10) {
1149         /* round 10: */
1150         s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
1151         s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
1152         s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
1153         s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
1154         /* round 11: */
1155         t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
1156         t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
1157         t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
1158         t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
1159         if (key->rounds > 12) {
1160             /* round 12: */
1161             s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >>  8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
1162             s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >>  8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
1163             s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >>  8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
1164             s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >>  8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
1165             /* round 13: */
1166             t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >>  8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
1167             t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >>  8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
1168             t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >>  8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
1169             t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >>  8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
1170         }
1171     }
1172         rk += key->rounds << 2;
1173 #else  /* !FULL_UNROLL */
1174     /*
1175      * Nr - 1 full rounds:
1176      */
1177     r = key->rounds >> 1;
1178     for (;;) {
1179         t0 =
1180             Td0[(s0 >> 24)       ] ^
1181             Td1[(s3 >> 16) & 0xff] ^
1182             Td2[(s2 >>  8) & 0xff] ^
1183             Td3[(s1      ) & 0xff] ^
1184             rk[4];
1185         t1 =
1186             Td0[(s1 >> 24)       ] ^
1187             Td1[(s0 >> 16) & 0xff] ^
1188             Td2[(s3 >>  8) & 0xff] ^
1189             Td3[(s2      ) & 0xff] ^
1190             rk[5];
1191         t2 =
1192             Td0[(s2 >> 24)       ] ^
1193             Td1[(s1 >> 16) & 0xff] ^
1194             Td2[(s0 >>  8) & 0xff] ^
1195             Td3[(s3      ) & 0xff] ^
1196             rk[6];
1197         t3 =
1198             Td0[(s3 >> 24)       ] ^
1199             Td1[(s2 >> 16) & 0xff] ^
1200             Td2[(s1 >>  8) & 0xff] ^
1201             Td3[(s0      ) & 0xff] ^
1202             rk[7];
1203
1204         rk += 8;
1205         if (--r == 0) {
1206             break;
1207         }
1208
1209         s0 =
1210             Td0[(t0 >> 24)       ] ^
1211             Td1[(t3 >> 16) & 0xff] ^
1212             Td2[(t2 >>  8) & 0xff] ^
1213             Td3[(t1      ) & 0xff] ^
1214             rk[0];
1215         s1 =
1216             Td0[(t1 >> 24)       ] ^
1217             Td1[(t0 >> 16) & 0xff] ^
1218             Td2[(t3 >>  8) & 0xff] ^
1219             Td3[(t2      ) & 0xff] ^
1220             rk[1];
1221         s2 =
1222             Td0[(t2 >> 24)       ] ^
1223             Td1[(t1 >> 16) & 0xff] ^
1224             Td2[(t0 >>  8) & 0xff] ^
1225             Td3[(t3      ) & 0xff] ^
1226             rk[2];
1227         s3 =
1228             Td0[(t3 >> 24)       ] ^
1229             Td1[(t2 >> 16) & 0xff] ^
1230             Td2[(t1 >>  8) & 0xff] ^
1231             Td3[(t0      ) & 0xff] ^
1232             rk[3];
1233     }
1234 #endif /* ?FULL_UNROLL */
1235     /*
1236          * apply last round and
1237          * map cipher state to byte array block:
1238          */
1239         s0 =
1240                 (Td4[(t0 >> 24)       ] & 0xff000000) ^
1241                 (Td4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
1242                 (Td4[(t2 >>  8) & 0xff] & 0x0000ff00) ^
1243                 (Td4[(t1      ) & 0xff] & 0x000000ff) ^
1244                 rk[0];
1245         PUTU32(out     , s0);
1246         s1 =
1247                 (Td4[(t1 >> 24)       ] & 0xff000000) ^
1248                 (Td4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
1249                 (Td4[(t3 >>  8) & 0xff] & 0x0000ff00) ^
1250                 (Td4[(t2      ) & 0xff] & 0x000000ff) ^
1251                 rk[1];
1252         PUTU32(out +  4, s1);
1253         s2 =
1254                 (Td4[(t2 >> 24)       ] & 0xff000000) ^
1255                 (Td4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
1256                 (Td4[(t0 >>  8) & 0xff] & 0x0000ff00) ^
1257                 (Td4[(t3      ) & 0xff] & 0x000000ff) ^
1258                 rk[2];
1259         PUTU32(out +  8, s2);
1260         s3 =
1261                 (Td4[(t3 >> 24)       ] & 0xff000000) ^
1262                 (Td4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
1263                 (Td4[(t1 >>  8) & 0xff] & 0x0000ff00) ^
1264                 (Td4[(t0      ) & 0xff] & 0x000000ff) ^
1265                 rk[3];
1266         PUTU32(out + 12, s3);
1267 }
1268
1269 #endif /* AES_ASM */
1270
1271 void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
1272                      const unsigned long length, const AES_KEY *key,
1273                      unsigned char *ivec, const int enc)
1274 {
1275
1276         unsigned long n;
1277         unsigned long len = length;
1278         unsigned char tmp[AES_BLOCK_SIZE];
1279
1280         assert(in && out && key && ivec);
1281
1282         if (enc) {
1283                 while (len >= AES_BLOCK_SIZE) {
1284                         for(n=0; n < AES_BLOCK_SIZE; ++n)
1285                                 tmp[n] = in[n] ^ ivec[n];
1286                         AES_encrypt(tmp, out, key);
1287                         memcpy(ivec, out, AES_BLOCK_SIZE);
1288                         len -= AES_BLOCK_SIZE;
1289                         in += AES_BLOCK_SIZE;
1290                         out += AES_BLOCK_SIZE;
1291                 }
1292                 if (len) {
1293                         for(n=0; n < len; ++n)
1294                                 tmp[n] = in[n] ^ ivec[n];
1295                         for(n=len; n < AES_BLOCK_SIZE; ++n)
1296                                 tmp[n] = ivec[n];
1297                         AES_encrypt(tmp, tmp, key);
1298                         memcpy(out, tmp, AES_BLOCK_SIZE);
1299                         memcpy(ivec, tmp, AES_BLOCK_SIZE);
1300                 }
1301         } else {
1302                 while (len >= AES_BLOCK_SIZE) {
1303                         memcpy(tmp, in, AES_BLOCK_SIZE);
1304                         AES_decrypt(in, out, key);
1305                         for(n=0; n < AES_BLOCK_SIZE; ++n)
1306                                 out[n] ^= ivec[n];
1307                         memcpy(ivec, tmp, AES_BLOCK_SIZE);
1308                         len -= AES_BLOCK_SIZE;
1309                         in += AES_BLOCK_SIZE;
1310                         out += AES_BLOCK_SIZE;
1311                 }
1312                 if (len) {
1313                         memcpy(tmp, in, AES_BLOCK_SIZE);
1314                         AES_decrypt(tmp, tmp, key);
1315                         for(n=0; n < len; ++n)
1316                                 out[n] = tmp[n] ^ ivec[n];
1317                         memcpy(ivec, tmp, AES_BLOCK_SIZE);
1318                 }
1319         }
1320 }
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