fx_crypt_aes.cpp revision ee451cb395940862dad63c85adfe8f2fd55e864c 
1// Copyright 2014 PDFium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7#include "../../../include/fxcrt/fx_basic.h"
8#include "../../../include/fdrm/fx_crypt.h"
9#ifdef __cplusplus
10extern "C" {
11#endif
12#define MAX_NR 14
13#define MAX_NK 8
14#define MAX_NB 8
15#define mulby2(x) ( ((x&0x7F) << 1) ^ (x & 0x80 ? 0x1B : 0) )
16#define GET_32BIT_MSB_FIRST(cp) \
17    (((unsigned long)(unsigned char)(cp)[3]) | \
18     ((unsigned long)(unsigned char)(cp)[2] << 8) | \
19     ((unsigned long)(unsigned char)(cp)[1] << 16) | \
20     ((unsigned long)(unsigned char)(cp)[0] << 24))
21#define PUT_32BIT_MSB_FIRST(cp, value) do { \
22        (cp)[3] = (value); \
23        (cp)[2] = (value) >> 8; \
24        (cp)[1] = (value) >> 16; \
25        (cp)[0] = (value) >> 24; } while (0)
26struct AESContext {
27    unsigned int keysched[(MAX_NR + 1) * MAX_NB];
28    unsigned int invkeysched[(MAX_NR + 1) * MAX_NB];
29    void (*encrypt) (AESContext * ctx, unsigned int * block);
30    void (*decrypt) (AESContext * ctx, unsigned int * block);
31    unsigned int iv[MAX_NB];
32    int Nb, Nr;
33};
34static const unsigned char Sbox[256] = {
35    0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
36    0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
37    0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
38    0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
39    0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
40    0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
41    0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
42    0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
43    0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
44    0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
45    0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
46    0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
47    0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
48    0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
49    0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
50    0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
51    0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
52    0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
53    0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
54    0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
55    0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
56    0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
57    0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
58    0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
59    0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
60    0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
61    0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
62    0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
63    0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
64    0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
65    0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
66    0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
67};
68static const unsigned char Sboxinv[256] = {
69    0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38,
70    0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
71    0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87,
72    0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
73    0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d,
74    0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,
75    0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2,
76    0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,
77    0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16,
78    0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,
79    0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda,
80    0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,
81    0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a,
82    0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06,
83    0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02,
84    0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b,
85    0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea,
86    0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,
87    0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85,
88    0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,
89    0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89,
90    0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,
91    0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20,
92    0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,
93    0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31,
94    0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,
95    0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d,
96    0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,
97    0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0,
98    0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
99    0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26,
100    0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
101};
102static const unsigned int E0[256] = {
103    0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d,
104    0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554,
105    0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d,
106    0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a,
107    0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87,
108    0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b,
109    0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea,
110    0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b,
111    0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a,
112    0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f,
113    0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108,
114    0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f,
115    0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e,
116    0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5,
117    0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d,
118    0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f,
119    0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e,
120    0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb,
121    0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce,
122    0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497,
123    0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c,
124    0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed,
125    0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b,
126    0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a,
127    0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16,
128    0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594,
129    0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81,
130    0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3,
131    0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a,
132    0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504,
133    0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163,
134    0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d,
135    0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f,
136    0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739,
137    0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47,
138    0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395,
139    0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f,
140    0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883,
141    0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c,
142    0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76,
143    0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e,
144    0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4,
145    0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6,
146    0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b,
147    0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7,
148    0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0,
149    0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25,
150    0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818,
151    0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72,
152    0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651,
153    0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21,
154    0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85,
155    0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa,
156    0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12,
157    0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0,
158    0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9,
159    0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133,
160    0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7,
161    0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920,
162    0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a,
163    0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17,
164    0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8,
165    0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11,
166    0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a,
167};
168static const unsigned int E1[256] = {
169    0xa5c66363, 0x84f87c7c, 0x99ee7777, 0x8df67b7b,
170    0x0dfff2f2, 0xbdd66b6b, 0xb1de6f6f, 0x5491c5c5,
171    0x50603030, 0x03020101, 0xa9ce6767, 0x7d562b2b,
172    0x19e7fefe, 0x62b5d7d7, 0xe64dabab, 0x9aec7676,
173    0x458fcaca, 0x9d1f8282, 0x4089c9c9, 0x87fa7d7d,
174    0x15effafa, 0xebb25959, 0xc98e4747, 0x0bfbf0f0,
175    0xec41adad, 0x67b3d4d4, 0xfd5fa2a2, 0xea45afaf,
176    0xbf239c9c, 0xf753a4a4, 0x96e47272, 0x5b9bc0c0,
177    0xc275b7b7, 0x1ce1fdfd, 0xae3d9393, 0x6a4c2626,
178    0x5a6c3636, 0x417e3f3f, 0x02f5f7f7, 0x4f83cccc,
179    0x5c683434, 0xf451a5a5, 0x34d1e5e5, 0x08f9f1f1,
180    0x93e27171, 0x73abd8d8, 0x53623131, 0x3f2a1515,
181    0x0c080404, 0x5295c7c7, 0x65462323, 0x5e9dc3c3,
182    0x28301818, 0xa1379696, 0x0f0a0505, 0xb52f9a9a,
183    0x090e0707, 0x36241212, 0x9b1b8080, 0x3ddfe2e2,
184    0x26cdebeb, 0x694e2727, 0xcd7fb2b2, 0x9fea7575,
185    0x1b120909, 0x9e1d8383, 0x74582c2c, 0x2e341a1a,
186    0x2d361b1b, 0xb2dc6e6e, 0xeeb45a5a, 0xfb5ba0a0,
187    0xf6a45252, 0x4d763b3b, 0x61b7d6d6, 0xce7db3b3,
188    0x7b522929, 0x3edde3e3, 0x715e2f2f, 0x97138484,
189    0xf5a65353, 0x68b9d1d1, 0x00000000, 0x2cc1eded,
190    0x60402020, 0x1fe3fcfc, 0xc879b1b1, 0xedb65b5b,
191    0xbed46a6a, 0x468dcbcb, 0xd967bebe, 0x4b723939,
192    0xde944a4a, 0xd4984c4c, 0xe8b05858, 0x4a85cfcf,
193    0x6bbbd0d0, 0x2ac5efef, 0xe54faaaa, 0x16edfbfb,
194    0xc5864343, 0xd79a4d4d, 0x55663333, 0x94118585,
195    0xcf8a4545, 0x10e9f9f9, 0x06040202, 0x81fe7f7f,
196    0xf0a05050, 0x44783c3c, 0xba259f9f, 0xe34ba8a8,
197    0xf3a25151, 0xfe5da3a3, 0xc0804040, 0x8a058f8f,
198    0xad3f9292, 0xbc219d9d, 0x48703838, 0x04f1f5f5,
199    0xdf63bcbc, 0xc177b6b6, 0x75afdada, 0x63422121,
200    0x30201010, 0x1ae5ffff, 0x0efdf3f3, 0x6dbfd2d2,
201    0x4c81cdcd, 0x14180c0c, 0x35261313, 0x2fc3ecec,
202    0xe1be5f5f, 0xa2359797, 0xcc884444, 0x392e1717,
203    0x5793c4c4, 0xf255a7a7, 0x82fc7e7e, 0x477a3d3d,
204    0xacc86464, 0xe7ba5d5d, 0x2b321919, 0x95e67373,
205    0xa0c06060, 0x98198181, 0xd19e4f4f, 0x7fa3dcdc,
206    0x66442222, 0x7e542a2a, 0xab3b9090, 0x830b8888,
207    0xca8c4646, 0x29c7eeee, 0xd36bb8b8, 0x3c281414,
208    0x79a7dede, 0xe2bc5e5e, 0x1d160b0b, 0x76addbdb,
209    0x3bdbe0e0, 0x56643232, 0x4e743a3a, 0x1e140a0a,
210    0xdb924949, 0x0a0c0606, 0x6c482424, 0xe4b85c5c,
211    0x5d9fc2c2, 0x6ebdd3d3, 0xef43acac, 0xa6c46262,
212    0xa8399191, 0xa4319595, 0x37d3e4e4, 0x8bf27979,
213    0x32d5e7e7, 0x438bc8c8, 0x596e3737, 0xb7da6d6d,
214    0x8c018d8d, 0x64b1d5d5, 0xd29c4e4e, 0xe049a9a9,
215    0xb4d86c6c, 0xfaac5656, 0x07f3f4f4, 0x25cfeaea,
216    0xafca6565, 0x8ef47a7a, 0xe947aeae, 0x18100808,
217    0xd56fbaba, 0x88f07878, 0x6f4a2525, 0x725c2e2e,
218    0x24381c1c, 0xf157a6a6, 0xc773b4b4, 0x5197c6c6,
219    0x23cbe8e8, 0x7ca1dddd, 0x9ce87474, 0x213e1f1f,
220    0xdd964b4b, 0xdc61bdbd, 0x860d8b8b, 0x850f8a8a,
221    0x90e07070, 0x427c3e3e, 0xc471b5b5, 0xaacc6666,
222    0xd8904848, 0x05060303, 0x01f7f6f6, 0x121c0e0e,
223    0xa3c26161, 0x5f6a3535, 0xf9ae5757, 0xd069b9b9,
224    0x91178686, 0x5899c1c1, 0x273a1d1d, 0xb9279e9e,
225    0x38d9e1e1, 0x13ebf8f8, 0xb32b9898, 0x33221111,
226    0xbbd26969, 0x70a9d9d9, 0x89078e8e, 0xa7339494,
227    0xb62d9b9b, 0x223c1e1e, 0x92158787, 0x20c9e9e9,
228    0x4987cece, 0xffaa5555, 0x78502828, 0x7aa5dfdf,
229    0x8f038c8c, 0xf859a1a1, 0x80098989, 0x171a0d0d,
230    0xda65bfbf, 0x31d7e6e6, 0xc6844242, 0xb8d06868,
231    0xc3824141, 0xb0299999, 0x775a2d2d, 0x111e0f0f,
232    0xcb7bb0b0, 0xfca85454, 0xd66dbbbb, 0x3a2c1616,
233};
234static const unsigned int E2[256] = {
235    0x63a5c663, 0x7c84f87c, 0x7799ee77, 0x7b8df67b,
236    0xf20dfff2, 0x6bbdd66b, 0x6fb1de6f, 0xc55491c5,
237    0x30506030, 0x01030201, 0x67a9ce67, 0x2b7d562b,
238    0xfe19e7fe, 0xd762b5d7, 0xabe64dab, 0x769aec76,
239    0xca458fca, 0x829d1f82, 0xc94089c9, 0x7d87fa7d,
240    0xfa15effa, 0x59ebb259, 0x47c98e47, 0xf00bfbf0,
241    0xadec41ad, 0xd467b3d4, 0xa2fd5fa2, 0xafea45af,
242    0x9cbf239c, 0xa4f753a4, 0x7296e472, 0xc05b9bc0,
243    0xb7c275b7, 0xfd1ce1fd, 0x93ae3d93, 0x266a4c26,
244    0x365a6c36, 0x3f417e3f, 0xf702f5f7, 0xcc4f83cc,
245    0x345c6834, 0xa5f451a5, 0xe534d1e5, 0xf108f9f1,
246    0x7193e271, 0xd873abd8, 0x31536231, 0x153f2a15,
247    0x040c0804, 0xc75295c7, 0x23654623, 0xc35e9dc3,
248    0x18283018, 0x96a13796, 0x050f0a05, 0x9ab52f9a,
249    0x07090e07, 0x12362412, 0x809b1b80, 0xe23ddfe2,
250    0xeb26cdeb, 0x27694e27, 0xb2cd7fb2, 0x759fea75,
251    0x091b1209, 0x839e1d83, 0x2c74582c, 0x1a2e341a,
252    0x1b2d361b, 0x6eb2dc6e, 0x5aeeb45a, 0xa0fb5ba0,
253    0x52f6a452, 0x3b4d763b, 0xd661b7d6, 0xb3ce7db3,
254    0x297b5229, 0xe33edde3, 0x2f715e2f, 0x84971384,
255    0x53f5a653, 0xd168b9d1, 0x00000000, 0xed2cc1ed,
256    0x20604020, 0xfc1fe3fc, 0xb1c879b1, 0x5bedb65b,
257    0x6abed46a, 0xcb468dcb, 0xbed967be, 0x394b7239,
258    0x4ade944a, 0x4cd4984c, 0x58e8b058, 0xcf4a85cf,
259    0xd06bbbd0, 0xef2ac5ef, 0xaae54faa, 0xfb16edfb,
260    0x43c58643, 0x4dd79a4d, 0x33556633, 0x85941185,
261    0x45cf8a45, 0xf910e9f9, 0x02060402, 0x7f81fe7f,
262    0x50f0a050, 0x3c44783c, 0x9fba259f, 0xa8e34ba8,
263    0x51f3a251, 0xa3fe5da3, 0x40c08040, 0x8f8a058f,
264    0x92ad3f92, 0x9dbc219d, 0x38487038, 0xf504f1f5,
265    0xbcdf63bc, 0xb6c177b6, 0xda75afda, 0x21634221,
266    0x10302010, 0xff1ae5ff, 0xf30efdf3, 0xd26dbfd2,
267    0xcd4c81cd, 0x0c14180c, 0x13352613, 0xec2fc3ec,
268    0x5fe1be5f, 0x97a23597, 0x44cc8844, 0x17392e17,
269    0xc45793c4, 0xa7f255a7, 0x7e82fc7e, 0x3d477a3d,
270    0x64acc864, 0x5de7ba5d, 0x192b3219, 0x7395e673,
271    0x60a0c060, 0x81981981, 0x4fd19e4f, 0xdc7fa3dc,
272    0x22664422, 0x2a7e542a, 0x90ab3b90, 0x88830b88,
273    0x46ca8c46, 0xee29c7ee, 0xb8d36bb8, 0x143c2814,
274    0xde79a7de, 0x5ee2bc5e, 0x0b1d160b, 0xdb76addb,
275    0xe03bdbe0, 0x32566432, 0x3a4e743a, 0x0a1e140a,
276    0x49db9249, 0x060a0c06, 0x246c4824, 0x5ce4b85c,
277    0xc25d9fc2, 0xd36ebdd3, 0xacef43ac, 0x62a6c462,
278    0x91a83991, 0x95a43195, 0xe437d3e4, 0x798bf279,
279    0xe732d5e7, 0xc8438bc8, 0x37596e37, 0x6db7da6d,
280    0x8d8c018d, 0xd564b1d5, 0x4ed29c4e, 0xa9e049a9,
281    0x6cb4d86c, 0x56faac56, 0xf407f3f4, 0xea25cfea,
282    0x65afca65, 0x7a8ef47a, 0xaee947ae, 0x08181008,
283    0xbad56fba, 0x7888f078, 0x256f4a25, 0x2e725c2e,
284    0x1c24381c, 0xa6f157a6, 0xb4c773b4, 0xc65197c6,
285    0xe823cbe8, 0xdd7ca1dd, 0x749ce874, 0x1f213e1f,
286    0x4bdd964b, 0xbddc61bd, 0x8b860d8b, 0x8a850f8a,
287    0x7090e070, 0x3e427c3e, 0xb5c471b5, 0x66aacc66,
288    0x48d89048, 0x03050603, 0xf601f7f6, 0x0e121c0e,
289    0x61a3c261, 0x355f6a35, 0x57f9ae57, 0xb9d069b9,
290    0x86911786, 0xc15899c1, 0x1d273a1d, 0x9eb9279e,
291    0xe138d9e1, 0xf813ebf8, 0x98b32b98, 0x11332211,
292    0x69bbd269, 0xd970a9d9, 0x8e89078e, 0x94a73394,
293    0x9bb62d9b, 0x1e223c1e, 0x87921587, 0xe920c9e9,
294    0xce4987ce, 0x55ffaa55, 0x28785028, 0xdf7aa5df,
295    0x8c8f038c, 0xa1f859a1, 0x89800989, 0x0d171a0d,
296    0xbfda65bf, 0xe631d7e6, 0x42c68442, 0x68b8d068,
297    0x41c38241, 0x99b02999, 0x2d775a2d, 0x0f111e0f,
298    0xb0cb7bb0, 0x54fca854, 0xbbd66dbb, 0x163a2c16,
299};
300static const unsigned int E3[256] = {
301    0x6363a5c6, 0x7c7c84f8, 0x777799ee, 0x7b7b8df6,
302    0xf2f20dff, 0x6b6bbdd6, 0x6f6fb1de, 0xc5c55491,
303    0x30305060, 0x01010302, 0x6767a9ce, 0x2b2b7d56,
304    0xfefe19e7, 0xd7d762b5, 0xababe64d, 0x76769aec,
305    0xcaca458f, 0x82829d1f, 0xc9c94089, 0x7d7d87fa,
306    0xfafa15ef, 0x5959ebb2, 0x4747c98e, 0xf0f00bfb,
307    0xadadec41, 0xd4d467b3, 0xa2a2fd5f, 0xafafea45,
308    0x9c9cbf23, 0xa4a4f753, 0x727296e4, 0xc0c05b9b,
309    0xb7b7c275, 0xfdfd1ce1, 0x9393ae3d, 0x26266a4c,
310    0x36365a6c, 0x3f3f417e, 0xf7f702f5, 0xcccc4f83,
311    0x34345c68, 0xa5a5f451, 0xe5e534d1, 0xf1f108f9,
312    0x717193e2, 0xd8d873ab, 0x31315362, 0x15153f2a,
313    0x04040c08, 0xc7c75295, 0x23236546, 0xc3c35e9d,
314    0x18182830, 0x9696a137, 0x05050f0a, 0x9a9ab52f,
315    0x0707090e, 0x12123624, 0x80809b1b, 0xe2e23ddf,
316    0xebeb26cd, 0x2727694e, 0xb2b2cd7f, 0x75759fea,
317    0x09091b12, 0x83839e1d, 0x2c2c7458, 0x1a1a2e34,
318    0x1b1b2d36, 0x6e6eb2dc, 0x5a5aeeb4, 0xa0a0fb5b,
319    0x5252f6a4, 0x3b3b4d76, 0xd6d661b7, 0xb3b3ce7d,
320    0x29297b52, 0xe3e33edd, 0x2f2f715e, 0x84849713,
321    0x5353f5a6, 0xd1d168b9, 0x00000000, 0xeded2cc1,
322    0x20206040, 0xfcfc1fe3, 0xb1b1c879, 0x5b5bedb6,
323    0x6a6abed4, 0xcbcb468d, 0xbebed967, 0x39394b72,
324    0x4a4ade94, 0x4c4cd498, 0x5858e8b0, 0xcfcf4a85,
325    0xd0d06bbb, 0xefef2ac5, 0xaaaae54f, 0xfbfb16ed,
326    0x4343c586, 0x4d4dd79a, 0x33335566, 0x85859411,
327    0x4545cf8a, 0xf9f910e9, 0x02020604, 0x7f7f81fe,
328    0x5050f0a0, 0x3c3c4478, 0x9f9fba25, 0xa8a8e34b,
329    0x5151f3a2, 0xa3a3fe5d, 0x4040c080, 0x8f8f8a05,
330    0x9292ad3f, 0x9d9dbc21, 0x38384870, 0xf5f504f1,
331    0xbcbcdf63, 0xb6b6c177, 0xdada75af, 0x21216342,
332    0x10103020, 0xffff1ae5, 0xf3f30efd, 0xd2d26dbf,
333    0xcdcd4c81, 0x0c0c1418, 0x13133526, 0xecec2fc3,
334    0x5f5fe1be, 0x9797a235, 0x4444cc88, 0x1717392e,
335    0xc4c45793, 0xa7a7f255, 0x7e7e82fc, 0x3d3d477a,
336    0x6464acc8, 0x5d5de7ba, 0x19192b32, 0x737395e6,
337    0x6060a0c0, 0x81819819, 0x4f4fd19e, 0xdcdc7fa3,
338    0x22226644, 0x2a2a7e54, 0x9090ab3b, 0x8888830b,
339    0x4646ca8c, 0xeeee29c7, 0xb8b8d36b, 0x14143c28,
340    0xdede79a7, 0x5e5ee2bc, 0x0b0b1d16, 0xdbdb76ad,
341    0xe0e03bdb, 0x32325664, 0x3a3a4e74, 0x0a0a1e14,
342    0x4949db92, 0x06060a0c, 0x24246c48, 0x5c5ce4b8,
343    0xc2c25d9f, 0xd3d36ebd, 0xacacef43, 0x6262a6c4,
344    0x9191a839, 0x9595a431, 0xe4e437d3, 0x79798bf2,
345    0xe7e732d5, 0xc8c8438b, 0x3737596e, 0x6d6db7da,
346    0x8d8d8c01, 0xd5d564b1, 0x4e4ed29c, 0xa9a9e049,
347    0x6c6cb4d8, 0x5656faac, 0xf4f407f3, 0xeaea25cf,
348    0x6565afca, 0x7a7a8ef4, 0xaeaee947, 0x08081810,
349    0xbabad56f, 0x787888f0, 0x25256f4a, 0x2e2e725c,
350    0x1c1c2438, 0xa6a6f157, 0xb4b4c773, 0xc6c65197,
351    0xe8e823cb, 0xdddd7ca1, 0x74749ce8, 0x1f1f213e,
352    0x4b4bdd96, 0xbdbddc61, 0x8b8b860d, 0x8a8a850f,
353    0x707090e0, 0x3e3e427c, 0xb5b5c471, 0x6666aacc,
354    0x4848d890, 0x03030506, 0xf6f601f7, 0x0e0e121c,
355    0x6161a3c2, 0x35355f6a, 0x5757f9ae, 0xb9b9d069,
356    0x86869117, 0xc1c15899, 0x1d1d273a, 0x9e9eb927,
357    0xe1e138d9, 0xf8f813eb, 0x9898b32b, 0x11113322,
358    0x6969bbd2, 0xd9d970a9, 0x8e8e8907, 0x9494a733,
359    0x9b9bb62d, 0x1e1e223c, 0x87879215, 0xe9e920c9,
360    0xcece4987, 0x5555ffaa, 0x28287850, 0xdfdf7aa5,
361    0x8c8c8f03, 0xa1a1f859, 0x89898009, 0x0d0d171a,
362    0xbfbfda65, 0xe6e631d7, 0x4242c684, 0x6868b8d0,
363    0x4141c382, 0x9999b029, 0x2d2d775a, 0x0f0f111e,
364    0xb0b0cb7b, 0x5454fca8, 0xbbbbd66d, 0x16163a2c,
365};
366static const unsigned int D0[256] = {
367    0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96,
368    0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393,
369    0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25,
370    0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f,
371    0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1,
372    0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6,
373    0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da,
374    0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844,
375    0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd,
376    0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4,
377    0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45,
378    0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94,
379    0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7,
380    0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a,
381    0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5,
382    0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c,
383    0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1,
384    0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a,
385    0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75,
386    0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051,
387    0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46,
388    0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff,
389    0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77,
390    0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb,
391    0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000,
392    0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e,
393    0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927,
394    0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a,
395    0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e,
396    0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16,
397    0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d,
398    0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8,
399    0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd,
400    0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34,
401    0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163,
402    0xd731dcca, 0x42638510, 0x13972240, 0x84c61120,
403    0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d,
404    0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0,
405    0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422,
406    0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef,
407    0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36,
408    0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4,
409    0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662,
410    0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5,
411    0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3,
412    0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b,
413    0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8,
414    0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6,
415    0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6,
416    0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0,
417    0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815,
418    0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f,
419    0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df,
420    0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f,
421    0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e,
422    0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713,
423    0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89,
424    0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c,
425    0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf,
426    0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86,
427    0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f,
428    0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541,
429    0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190,
430    0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742,
431};
432static const unsigned int D1[256] = {
433    0x5051f4a7, 0x537e4165, 0xc31a17a4, 0x963a275e,
434    0xcb3bab6b, 0xf11f9d45, 0xabacfa58, 0x934be303,
435    0x552030fa, 0xf6ad766d, 0x9188cc76, 0x25f5024c,
436    0xfc4fe5d7, 0xd7c52acb, 0x80263544, 0x8fb562a3,
437    0x49deb15a, 0x6725ba1b, 0x9845ea0e, 0xe15dfec0,
438    0x02c32f75, 0x12814cf0, 0xa38d4697, 0xc66bd3f9,
439    0xe7038f5f, 0x9515929c, 0xebbf6d7a, 0xda955259,
440    0x2dd4be83, 0xd3587421, 0x2949e069, 0x448ec9c8,
441    0x6a75c289, 0x78f48e79, 0x6b99583e, 0xdd27b971,
442    0xb6bee14f, 0x17f088ad, 0x66c920ac, 0xb47dce3a,
443    0x1863df4a, 0x82e51a31, 0x60975133, 0x4562537f,
444    0xe0b16477, 0x84bb6bae, 0x1cfe81a0, 0x94f9082b,
445    0x58704868, 0x198f45fd, 0x8794de6c, 0xb7527bf8,
446    0x23ab73d3, 0xe2724b02, 0x57e31f8f, 0x2a6655ab,
447    0x07b2eb28, 0x032fb5c2, 0x9a86c57b, 0xa5d33708,
448    0xf2302887, 0xb223bfa5, 0xba02036a, 0x5ced1682,
449    0x2b8acf1c, 0x92a779b4, 0xf0f307f2, 0xa14e69e2,
450    0xcd65daf4, 0xd50605be, 0x1fd13462, 0x8ac4a6fe,
451    0x9d342e53, 0xa0a2f355, 0x32058ae1, 0x75a4f6eb,
452    0x390b83ec, 0xaa4060ef, 0x065e719f, 0x51bd6e10,
453    0xf93e218a, 0x3d96dd06, 0xaedd3e05, 0x464de6bd,
454    0xb591548d, 0x0571c45d, 0x6f0406d4, 0xff605015,
455    0x241998fb, 0x97d6bde9, 0xcc894043, 0x7767d99e,
456    0xbdb0e842, 0x8807898b, 0x38e7195b, 0xdb79c8ee,
457    0x47a17c0a, 0xe97c420f, 0xc9f8841e, 0x00000000,
458    0x83098086, 0x48322bed, 0xac1e1170, 0x4e6c5a72,
459    0xfbfd0eff, 0x560f8538, 0x1e3daed5, 0x27362d39,
460    0x640a0fd9, 0x21685ca6, 0xd19b5b54, 0x3a24362e,
461    0xb10c0a67, 0x0f9357e7, 0xd2b4ee96, 0x9e1b9b91,
462    0x4f80c0c5, 0xa261dc20, 0x695a774b, 0x161c121a,
463    0x0ae293ba, 0xe5c0a02a, 0x433c22e0, 0x1d121b17,
464    0x0b0e090d, 0xadf28bc7, 0xb92db6a8, 0xc8141ea9,
465    0x8557f119, 0x4caf7507, 0xbbee99dd, 0xfda37f60,
466    0x9ff70126, 0xbc5c72f5, 0xc544663b, 0x345bfb7e,
467    0x768b4329, 0xdccb23c6, 0x68b6edfc, 0x63b8e4f1,
468    0xcad731dc, 0x10426385, 0x40139722, 0x2084c611,
469    0x7d854a24, 0xf8d2bb3d, 0x11aef932, 0x6dc729a1,
470    0x4b1d9e2f, 0xf3dcb230, 0xec0d8652, 0xd077c1e3,
471    0x6c2bb316, 0x99a970b9, 0xfa119448, 0x2247e964,
472    0xc4a8fc8c, 0x1aa0f03f, 0xd8567d2c, 0xef223390,
473    0xc787494e, 0xc1d938d1, 0xfe8ccaa2, 0x3698d40b,
474    0xcfa6f581, 0x28a57ade, 0x26dab78e, 0xa43fadbf,
475    0xe42c3a9d, 0x0d507892, 0x9b6a5fcc, 0x62547e46,
476    0xc2f68d13, 0xe890d8b8, 0x5e2e39f7, 0xf582c3af,
477    0xbe9f5d80, 0x7c69d093, 0xa96fd52d, 0xb3cf2512,
478    0x3bc8ac99, 0xa710187d, 0x6ee89c63, 0x7bdb3bbb,
479    0x09cd2678, 0xf46e5918, 0x01ec9ab7, 0xa8834f9a,
480    0x65e6956e, 0x7eaaffe6, 0x0821bccf, 0xe6ef15e8,
481    0xd9bae79b, 0xce4a6f36, 0xd4ea9f09, 0xd629b07c,
482    0xaf31a4b2, 0x312a3f23, 0x30c6a594, 0xc035a266,
483    0x37744ebc, 0xa6fc82ca, 0xb0e090d0, 0x1533a7d8,
484    0x4af10498, 0xf741ecda, 0x0e7fcd50, 0x2f1791f6,
485    0x8d764dd6, 0x4d43efb0, 0x54ccaa4d, 0xdfe49604,
486    0xe39ed1b5, 0x1b4c6a88, 0xb8c12c1f, 0x7f466551,
487    0x049d5eea, 0x5d018c35, 0x73fa8774, 0x2efb0b41,
488    0x5ab3671d, 0x5292dbd2, 0x33e91056, 0x136dd647,
489    0x8c9ad761, 0x7a37a10c, 0x8e59f814, 0x89eb133c,
490    0xeecea927, 0x35b761c9, 0xede11ce5, 0x3c7a47b1,
491    0x599cd2df, 0x3f55f273, 0x791814ce, 0xbf73c737,
492    0xea53f7cd, 0x5b5ffdaa, 0x14df3d6f, 0x867844db,
493    0x81caaff3, 0x3eb968c4, 0x2c382434, 0x5fc2a340,
494    0x72161dc3, 0x0cbce225, 0x8b283c49, 0x41ff0d95,
495    0x7139a801, 0xde080cb3, 0x9cd8b4e4, 0x906456c1,
496    0x617bcb84, 0x70d532b6, 0x74486c5c, 0x42d0b857,
497};
498static const unsigned int D2[256] = {
499    0xa75051f4, 0x65537e41, 0xa4c31a17, 0x5e963a27,
500    0x6bcb3bab, 0x45f11f9d, 0x58abacfa, 0x03934be3,
501    0xfa552030, 0x6df6ad76, 0x769188cc, 0x4c25f502,
502    0xd7fc4fe5, 0xcbd7c52a, 0x44802635, 0xa38fb562,
503    0x5a49deb1, 0x1b6725ba, 0x0e9845ea, 0xc0e15dfe,
504    0x7502c32f, 0xf012814c, 0x97a38d46, 0xf9c66bd3,
505    0x5fe7038f, 0x9c951592, 0x7aebbf6d, 0x59da9552,
506    0x832dd4be, 0x21d35874, 0x692949e0, 0xc8448ec9,
507    0x896a75c2, 0x7978f48e, 0x3e6b9958, 0x71dd27b9,
508    0x4fb6bee1, 0xad17f088, 0xac66c920, 0x3ab47dce,
509    0x4a1863df, 0x3182e51a, 0x33609751, 0x7f456253,
510    0x77e0b164, 0xae84bb6b, 0xa01cfe81, 0x2b94f908,
511    0x68587048, 0xfd198f45, 0x6c8794de, 0xf8b7527b,
512    0xd323ab73, 0x02e2724b, 0x8f57e31f, 0xab2a6655,
513    0x2807b2eb, 0xc2032fb5, 0x7b9a86c5, 0x08a5d337,
514    0x87f23028, 0xa5b223bf, 0x6aba0203, 0x825ced16,
515    0x1c2b8acf, 0xb492a779, 0xf2f0f307, 0xe2a14e69,
516    0xf4cd65da, 0xbed50605, 0x621fd134, 0xfe8ac4a6,
517    0x539d342e, 0x55a0a2f3, 0xe132058a, 0xeb75a4f6,
518    0xec390b83, 0xefaa4060, 0x9f065e71, 0x1051bd6e,
519    0x8af93e21, 0x063d96dd, 0x05aedd3e, 0xbd464de6,
520    0x8db59154, 0x5d0571c4, 0xd46f0406, 0x15ff6050,
521    0xfb241998, 0xe997d6bd, 0x43cc8940, 0x9e7767d9,
522    0x42bdb0e8, 0x8b880789, 0x5b38e719, 0xeedb79c8,
523    0x0a47a17c, 0x0fe97c42, 0x1ec9f884, 0x00000000,
524    0x86830980, 0xed48322b, 0x70ac1e11, 0x724e6c5a,
525    0xfffbfd0e, 0x38560f85, 0xd51e3dae, 0x3927362d,
526    0xd9640a0f, 0xa621685c, 0x54d19b5b, 0x2e3a2436,
527    0x67b10c0a, 0xe70f9357, 0x96d2b4ee, 0x919e1b9b,
528    0xc54f80c0, 0x20a261dc, 0x4b695a77, 0x1a161c12,
529    0xba0ae293, 0x2ae5c0a0, 0xe0433c22, 0x171d121b,
530    0x0d0b0e09, 0xc7adf28b, 0xa8b92db6, 0xa9c8141e,
531    0x198557f1, 0x074caf75, 0xddbbee99, 0x60fda37f,
532    0x269ff701, 0xf5bc5c72, 0x3bc54466, 0x7e345bfb,
533    0x29768b43, 0xc6dccb23, 0xfc68b6ed, 0xf163b8e4,
534    0xdccad731, 0x85104263, 0x22401397, 0x112084c6,
535    0x247d854a, 0x3df8d2bb, 0x3211aef9, 0xa16dc729,
536    0x2f4b1d9e, 0x30f3dcb2, 0x52ec0d86, 0xe3d077c1,
537    0x166c2bb3, 0xb999a970, 0x48fa1194, 0x642247e9,
538    0x8cc4a8fc, 0x3f1aa0f0, 0x2cd8567d, 0x90ef2233,
539    0x4ec78749, 0xd1c1d938, 0xa2fe8cca, 0x0b3698d4,
540    0x81cfa6f5, 0xde28a57a, 0x8e26dab7, 0xbfa43fad,
541    0x9de42c3a, 0x920d5078, 0xcc9b6a5f, 0x4662547e,
542    0x13c2f68d, 0xb8e890d8, 0xf75e2e39, 0xaff582c3,
543    0x80be9f5d, 0x937c69d0, 0x2da96fd5, 0x12b3cf25,
544    0x993bc8ac, 0x7da71018, 0x636ee89c, 0xbb7bdb3b,
545    0x7809cd26, 0x18f46e59, 0xb701ec9a, 0x9aa8834f,
546    0x6e65e695, 0xe67eaaff, 0xcf0821bc, 0xe8e6ef15,
547    0x9bd9bae7, 0x36ce4a6f, 0x09d4ea9f, 0x7cd629b0,
548    0xb2af31a4, 0x23312a3f, 0x9430c6a5, 0x66c035a2,
549    0xbc37744e, 0xcaa6fc82, 0xd0b0e090, 0xd81533a7,
550    0x984af104, 0xdaf741ec, 0x500e7fcd, 0xf62f1791,
551    0xd68d764d, 0xb04d43ef, 0x4d54ccaa, 0x04dfe496,
552    0xb5e39ed1, 0x881b4c6a, 0x1fb8c12c, 0x517f4665,
553    0xea049d5e, 0x355d018c, 0x7473fa87, 0x412efb0b,
554    0x1d5ab367, 0xd25292db, 0x5633e910, 0x47136dd6,
555    0x618c9ad7, 0x0c7a37a1, 0x148e59f8, 0x3c89eb13,
556    0x27eecea9, 0xc935b761, 0xe5ede11c, 0xb13c7a47,
557    0xdf599cd2, 0x733f55f2, 0xce791814, 0x37bf73c7,
558    0xcdea53f7, 0xaa5b5ffd, 0x6f14df3d, 0xdb867844,
559    0xf381caaf, 0xc43eb968, 0x342c3824, 0x405fc2a3,
560    0xc372161d, 0x250cbce2, 0x498b283c, 0x9541ff0d,
561    0x017139a8, 0xb3de080c, 0xe49cd8b4, 0xc1906456,
562    0x84617bcb, 0xb670d532, 0x5c74486c, 0x5742d0b8,
563};
564static const unsigned int D3[256] = {
565    0xf4a75051, 0x4165537e, 0x17a4c31a, 0x275e963a,
566    0xab6bcb3b, 0x9d45f11f, 0xfa58abac, 0xe303934b,
567    0x30fa5520, 0x766df6ad, 0xcc769188, 0x024c25f5,
568    0xe5d7fc4f, 0x2acbd7c5, 0x35448026, 0x62a38fb5,
569    0xb15a49de, 0xba1b6725, 0xea0e9845, 0xfec0e15d,
570    0x2f7502c3, 0x4cf01281, 0x4697a38d, 0xd3f9c66b,
571    0x8f5fe703, 0x929c9515, 0x6d7aebbf, 0x5259da95,
572    0xbe832dd4, 0x7421d358, 0xe0692949, 0xc9c8448e,
573    0xc2896a75, 0x8e7978f4, 0x583e6b99, 0xb971dd27,
574    0xe14fb6be, 0x88ad17f0, 0x20ac66c9, 0xce3ab47d,
575    0xdf4a1863, 0x1a3182e5, 0x51336097, 0x537f4562,
576    0x6477e0b1, 0x6bae84bb, 0x81a01cfe, 0x082b94f9,
577    0x48685870, 0x45fd198f, 0xde6c8794, 0x7bf8b752,
578    0x73d323ab, 0x4b02e272, 0x1f8f57e3, 0x55ab2a66,
579    0xeb2807b2, 0xb5c2032f, 0xc57b9a86, 0x3708a5d3,
580    0x2887f230, 0xbfa5b223, 0x036aba02, 0x16825ced,
581    0xcf1c2b8a, 0x79b492a7, 0x07f2f0f3, 0x69e2a14e,
582    0xdaf4cd65, 0x05bed506, 0x34621fd1, 0xa6fe8ac4,
583    0x2e539d34, 0xf355a0a2, 0x8ae13205, 0xf6eb75a4,
584    0x83ec390b, 0x60efaa40, 0x719f065e, 0x6e1051bd,
585    0x218af93e, 0xdd063d96, 0x3e05aedd, 0xe6bd464d,
586    0x548db591, 0xc45d0571, 0x06d46f04, 0x5015ff60,
587    0x98fb2419, 0xbde997d6, 0x4043cc89, 0xd99e7767,
588    0xe842bdb0, 0x898b8807, 0x195b38e7, 0xc8eedb79,
589    0x7c0a47a1, 0x420fe97c, 0x841ec9f8, 0x00000000,
590    0x80868309, 0x2bed4832, 0x1170ac1e, 0x5a724e6c,
591    0x0efffbfd, 0x8538560f, 0xaed51e3d, 0x2d392736,
592    0x0fd9640a, 0x5ca62168, 0x5b54d19b, 0x362e3a24,
593    0x0a67b10c, 0x57e70f93, 0xee96d2b4, 0x9b919e1b,
594    0xc0c54f80, 0xdc20a261, 0x774b695a, 0x121a161c,
595    0x93ba0ae2, 0xa02ae5c0, 0x22e0433c, 0x1b171d12,
596    0x090d0b0e, 0x8bc7adf2, 0xb6a8b92d, 0x1ea9c814,
597    0xf1198557, 0x75074caf, 0x99ddbbee, 0x7f60fda3,
598    0x01269ff7, 0x72f5bc5c, 0x663bc544, 0xfb7e345b,
599    0x4329768b, 0x23c6dccb, 0xedfc68b6, 0xe4f163b8,
600    0x31dccad7, 0x63851042, 0x97224013, 0xc6112084,
601    0x4a247d85, 0xbb3df8d2, 0xf93211ae, 0x29a16dc7,
602    0x9e2f4b1d, 0xb230f3dc, 0x8652ec0d, 0xc1e3d077,
603    0xb3166c2b, 0x70b999a9, 0x9448fa11, 0xe9642247,
604    0xfc8cc4a8, 0xf03f1aa0, 0x7d2cd856, 0x3390ef22,
605    0x494ec787, 0x38d1c1d9, 0xcaa2fe8c, 0xd40b3698,
606    0xf581cfa6, 0x7ade28a5, 0xb78e26da, 0xadbfa43f,
607    0x3a9de42c, 0x78920d50, 0x5fcc9b6a, 0x7e466254,
608    0x8d13c2f6, 0xd8b8e890, 0x39f75e2e, 0xc3aff582,
609    0x5d80be9f, 0xd0937c69, 0xd52da96f, 0x2512b3cf,
610    0xac993bc8, 0x187da710, 0x9c636ee8, 0x3bbb7bdb,
611    0x267809cd, 0x5918f46e, 0x9ab701ec, 0x4f9aa883,
612    0x956e65e6, 0xffe67eaa, 0xbccf0821, 0x15e8e6ef,
613    0xe79bd9ba, 0x6f36ce4a, 0x9f09d4ea, 0xb07cd629,
614    0xa4b2af31, 0x3f23312a, 0xa59430c6, 0xa266c035,
615    0x4ebc3774, 0x82caa6fc, 0x90d0b0e0, 0xa7d81533,
616    0x04984af1, 0xecdaf741, 0xcd500e7f, 0x91f62f17,
617    0x4dd68d76, 0xefb04d43, 0xaa4d54cc, 0x9604dfe4,
618    0xd1b5e39e, 0x6a881b4c, 0x2c1fb8c1, 0x65517f46,
619    0x5eea049d, 0x8c355d01, 0x877473fa, 0x0b412efb,
620    0x671d5ab3, 0xdbd25292, 0x105633e9, 0xd647136d,
621    0xd7618c9a, 0xa10c7a37, 0xf8148e59, 0x133c89eb,
622    0xa927eece, 0x61c935b7, 0x1ce5ede1, 0x47b13c7a,
623    0xd2df599c, 0xf2733f55, 0x14ce7918, 0xc737bf73,
624    0xf7cdea53, 0xfdaa5b5f, 0x3d6f14df, 0x44db8678,
625    0xaff381ca, 0x68c43eb9, 0x24342c38, 0xa3405fc2,
626    0x1dc37216, 0xe2250cbc, 0x3c498b28, 0x0d9541ff,
627    0xa8017139, 0x0cb3de08, 0xb4e49cd8, 0x56c19064,
628    0xcb84617b, 0x32b670d5, 0x6c5c7448, 0xb85742d0,
629};
630#define ADD_ROUND_KEY_4 (block[0]^=*keysched++, block[1]^=*keysched++, \
631                         block[2]^=*keysched++, block[3]^=*keysched++)
632#define ADD_ROUND_KEY_6 (block[0]^=*keysched++, block[1]^=*keysched++, \
633                         block[2]^=*keysched++, block[3]^=*keysched++, \
634                         block[4]^=*keysched++, block[5]^=*keysched++)
635#define ADD_ROUND_KEY_8 (block[0]^=*keysched++, block[1]^=*keysched++, \
636                         block[2]^=*keysched++, block[3]^=*keysched++, \
637                         block[4]^=*keysched++, block[5]^=*keysched++, \
638                         block[6]^=*keysched++, block[7]^=*keysched++)
639#define MOVEWORD(i) ( block[i] = newstate[i] )
640#undef MAKEWORD
641#define MAKEWORD(i) ( newstate[i] = (E0[(block[i] >> 24) & 0xFF] ^ \
642                                     E1[(block[(i+C1)%Nb] >> 16) & 0xFF] ^ \
643                                     E2[(block[(i+C2)%Nb] >> 8) & 0xFF] ^ \
644                                     E3[block[(i+C3)%Nb] & 0xFF]) )
645#define LASTWORD(i) ( newstate[i] = (Sbox[(block[i] >> 24) & 0xFF] << 24) | \
646                                    (Sbox[(block[(i+C1)%Nb] >> 16) & 0xFF] << 16) | \
647                                    (Sbox[(block[(i+C2)%Nb] >>  8) & 0xFF] <<  8) | \
648                                    (Sbox[(block[(i+C3)%Nb]      ) & 0xFF]      ) )
649static void aes_encrypt_nb_4(AESContext * ctx, unsigned int * block)
650{
651    int i;
652    static const int C1 = 1, C2 = 2, C3 = 3, Nb = 4;
653    unsigned int *keysched = ctx->keysched;
654    unsigned int newstate[4];
655    for (i = 0; i < ctx->Nr - 1; i++) {
656        ADD_ROUND_KEY_4;
657        MAKEWORD(0);
658        MAKEWORD(1);
659        MAKEWORD(2);
660        MAKEWORD(3);
661        MOVEWORD(0);
662        MOVEWORD(1);
663        MOVEWORD(2);
664        MOVEWORD(3);
665    }
666    ADD_ROUND_KEY_4;
667    LASTWORD(0);
668    LASTWORD(1);
669    LASTWORD(2);
670    LASTWORD(3);
671    MOVEWORD(0);
672    MOVEWORD(1);
673    MOVEWORD(2);
674    MOVEWORD(3);
675    ADD_ROUND_KEY_4;
676}
677static void aes_encrypt_nb_6(AESContext * ctx, unsigned int * block)
678{
679    int i;
680    static const int C1 = 1, C2 = 2, C3 = 3, Nb = 6;
681    unsigned int *keysched = ctx->keysched;
682    unsigned int newstate[6];
683    for (i = 0; i < ctx->Nr - 1; i++) {
684        ADD_ROUND_KEY_6;
685        MAKEWORD(0);
686        MAKEWORD(1);
687        MAKEWORD(2);
688        MAKEWORD(3);
689        MAKEWORD(4);
690        MAKEWORD(5);
691        MOVEWORD(0);
692        MOVEWORD(1);
693        MOVEWORD(2);
694        MOVEWORD(3);
695        MOVEWORD(4);
696        MOVEWORD(5);
697    }
698    ADD_ROUND_KEY_6;
699    LASTWORD(0);
700    LASTWORD(1);
701    LASTWORD(2);
702    LASTWORD(3);
703    LASTWORD(4);
704    LASTWORD(5);
705    MOVEWORD(0);
706    MOVEWORD(1);
707    MOVEWORD(2);
708    MOVEWORD(3);
709    MOVEWORD(4);
710    MOVEWORD(5);
711    ADD_ROUND_KEY_6;
712}
713static void aes_encrypt_nb_8(AESContext * ctx, unsigned int * block)
714{
715    int i;
716    static const int C1 = 1, C2 = 3, C3 = 4, Nb = 8;
717    unsigned int *keysched = ctx->keysched;
718    unsigned int newstate[8];
719    for (i = 0; i < ctx->Nr - 1; i++) {
720        ADD_ROUND_KEY_8;
721        MAKEWORD(0);
722        MAKEWORD(1);
723        MAKEWORD(2);
724        MAKEWORD(3);
725        MAKEWORD(4);
726        MAKEWORD(5);
727        MAKEWORD(6);
728        MAKEWORD(7);
729        MOVEWORD(0);
730        MOVEWORD(1);
731        MOVEWORD(2);
732        MOVEWORD(3);
733        MOVEWORD(4);
734        MOVEWORD(5);
735        MOVEWORD(6);
736        MOVEWORD(7);
737    }
738    ADD_ROUND_KEY_8;
739    LASTWORD(0);
740    LASTWORD(1);
741    LASTWORD(2);
742    LASTWORD(3);
743    LASTWORD(4);
744    LASTWORD(5);
745    LASTWORD(6);
746    LASTWORD(7);
747    MOVEWORD(0);
748    MOVEWORD(1);
749    MOVEWORD(2);
750    MOVEWORD(3);
751    MOVEWORD(4);
752    MOVEWORD(5);
753    MOVEWORD(6);
754    MOVEWORD(7);
755    ADD_ROUND_KEY_8;
756}
757#undef MAKEWORD
758#undef LASTWORD
759#define MAKEWORD(i) ( newstate[i] = (D0[(block[i] >> 24) & 0xFF] ^ \
760                                     D1[(block[(i+C1)%Nb] >> 16) & 0xFF] ^ \
761                                     D2[(block[(i+C2)%Nb] >> 8) & 0xFF] ^ \
762                                     D3[block[(i+C3)%Nb] & 0xFF]) )
763#define LASTWORD(i) (newstate[i] = (Sboxinv[(block[i] >> 24) & 0xFF] << 24) | \
764                                   (Sboxinv[(block[(i+C1)%Nb] >> 16) & 0xFF] << 16) | \
765                                   (Sboxinv[(block[(i+C2)%Nb] >>  8) & 0xFF] <<  8) | \
766                                   (Sboxinv[(block[(i+C3)%Nb]      ) & 0xFF]      ) )
767static void aes_decrypt_nb_4(AESContext * ctx, unsigned int * block)
768{
769    int i;
770    static const int C1 = 4 - 1, C2 = 4 - 2, C3 = 4 - 3, Nb = 4;
771    unsigned int *keysched = ctx->invkeysched;
772    unsigned int newstate[4];
773    for (i = 0; i < ctx->Nr - 1; i++) {
774        ADD_ROUND_KEY_4;
775        MAKEWORD(0);
776        MAKEWORD(1);
777        MAKEWORD(2);
778        MAKEWORD(3);
779        MOVEWORD(0);
780        MOVEWORD(1);
781        MOVEWORD(2);
782        MOVEWORD(3);
783    }
784    ADD_ROUND_KEY_4;
785    LASTWORD(0);
786    LASTWORD(1);
787    LASTWORD(2);
788    LASTWORD(3);
789    MOVEWORD(0);
790    MOVEWORD(1);
791    MOVEWORD(2);
792    MOVEWORD(3);
793    ADD_ROUND_KEY_4;
794}
795static void aes_decrypt_nb_6(AESContext * ctx, unsigned int * block)
796{
797    int i;
798    static const int C1 = 6 - 1, C2 = 6 - 2, C3 = 6 - 3, Nb = 6;
799    unsigned int *keysched = ctx->invkeysched;
800    unsigned int newstate[6];
801    for (i = 0; i < ctx->Nr - 1; i++) {
802        ADD_ROUND_KEY_6;
803        MAKEWORD(0);
804        MAKEWORD(1);
805        MAKEWORD(2);
806        MAKEWORD(3);
807        MAKEWORD(4);
808        MAKEWORD(5);
809        MOVEWORD(0);
810        MOVEWORD(1);
811        MOVEWORD(2);
812        MOVEWORD(3);
813        MOVEWORD(4);
814        MOVEWORD(5);
815    }
816    ADD_ROUND_KEY_6;
817    LASTWORD(0);
818    LASTWORD(1);
819    LASTWORD(2);
820    LASTWORD(3);
821    LASTWORD(4);
822    LASTWORD(5);
823    MOVEWORD(0);
824    MOVEWORD(1);
825    MOVEWORD(2);
826    MOVEWORD(3);
827    MOVEWORD(4);
828    MOVEWORD(5);
829    ADD_ROUND_KEY_6;
830}
831static void aes_decrypt_nb_8(AESContext * ctx, unsigned int * block)
832{
833    int i;
834    static const int C1 = 8 - 1, C2 = 8 - 3, C3 = 8 - 4, Nb = 8;
835    unsigned int *keysched = ctx->invkeysched;
836    unsigned int newstate[8];
837    for (i = 0; i < ctx->Nr - 1; i++) {
838        ADD_ROUND_KEY_8;
839        MAKEWORD(0);
840        MAKEWORD(1);
841        MAKEWORD(2);
842        MAKEWORD(3);
843        MAKEWORD(4);
844        MAKEWORD(5);
845        MAKEWORD(6);
846        MAKEWORD(7);
847        MOVEWORD(0);
848        MOVEWORD(1);
849        MOVEWORD(2);
850        MOVEWORD(3);
851        MOVEWORD(4);
852        MOVEWORD(5);
853        MOVEWORD(6);
854        MOVEWORD(7);
855    }
856    ADD_ROUND_KEY_8;
857    LASTWORD(0);
858    LASTWORD(1);
859    LASTWORD(2);
860    LASTWORD(3);
861    LASTWORD(4);
862    LASTWORD(5);
863    LASTWORD(6);
864    LASTWORD(7);
865    MOVEWORD(0);
866    MOVEWORD(1);
867    MOVEWORD(2);
868    MOVEWORD(3);
869    MOVEWORD(4);
870    MOVEWORD(5);
871    MOVEWORD(6);
872    MOVEWORD(7);
873    ADD_ROUND_KEY_8;
874}
875#undef MAKEWORD
876#undef LASTWORD
877static void aes_setup(AESContext * ctx, int blocklen,
878                      const unsigned char *key, int keylen)
879{
880    int i, j, Nk, rconst;
881    ASSERT(blocklen == 16 || blocklen == 24 || blocklen == 32);
882    ASSERT(keylen == 16 || keylen == 24 || keylen == 32);
883    Nk = keylen / 4;
884    ctx->Nb = blocklen / 4;
885    ctx->Nr = 6 + (ctx->Nb > Nk ? ctx->Nb : Nk);
886    if (ctx->Nb == 8) {
887        ctx->encrypt = aes_encrypt_nb_8, ctx->decrypt = aes_decrypt_nb_8;
888    } else if (ctx->Nb == 6) {
889        ctx->encrypt = aes_encrypt_nb_6, ctx->decrypt = aes_decrypt_nb_6;
890    } else if (ctx->Nb == 4) {
891        ctx->encrypt = aes_encrypt_nb_4, ctx->decrypt = aes_decrypt_nb_4;
892    }
893    rconst = 1;
894    for (i = 0; i < (ctx->Nr + 1) * ctx->Nb; i++) {
895        if (i < Nk) {
896            ctx->keysched[i] = GET_32BIT_MSB_FIRST(key + 4 * i);
897        } else {
898            unsigned int temp = ctx->keysched[i - 1];
899            if (i % Nk == 0) {
900                int a, b, c, d;
901                a = (temp >> 16) & 0xFF;
902                b = (temp >> 8) & 0xFF;
903                c = (temp >> 0) & 0xFF;
904                d = (temp >> 24) & 0xFF;
905                temp = Sbox[a] ^ rconst;
906                temp = (temp << 8) | Sbox[b];
907                temp = (temp << 8) | Sbox[c];
908                temp = (temp << 8) | Sbox[d];
909                rconst = mulby2(rconst);
910            } else if (i % Nk == 4 && Nk > 6) {
911                int a, b, c, d;
912                a = (temp >> 24) & 0xFF;
913                b = (temp >> 16) & 0xFF;
914                c = (temp >> 8) & 0xFF;
915                d = (temp >> 0) & 0xFF;
916                temp = Sbox[a];
917                temp = (temp << 8) | Sbox[b];
918                temp = (temp << 8) | Sbox[c];
919                temp = (temp << 8) | Sbox[d];
920            }
921            ctx->keysched[i] = ctx->keysched[i - Nk] ^ temp;
922        }
923    }
924    for (i = 0; i <= ctx->Nr; i++) {
925        for (j = 0; j < ctx->Nb; j++) {
926            unsigned int temp;
927            temp = ctx->keysched[(ctx->Nr - i) * ctx->Nb + j];
928            if (i != 0 && i != ctx->Nr) {
929                int a, b, c, d;
930                a = (temp >> 24) & 0xFF;
931                b = (temp >> 16) & 0xFF;
932                c = (temp >> 8) & 0xFF;
933                d = (temp >> 0) & 0xFF;
934                temp = D0[Sbox[a]];
935                temp ^= D1[Sbox[b]];
936                temp ^= D2[Sbox[c]];
937                temp ^= D3[Sbox[d]];
938            }
939            ctx->invkeysched[i * ctx->Nb + j] = temp;
940        }
941    }
942}
943static void aes_decrypt(AESContext * ctx, unsigned int * block)
944{
945    ctx->decrypt(ctx, block);
946}
947static void aes_decrypt_cbc(unsigned char *dest, const unsigned char *src, int len, AESContext * ctx)
948{
949    unsigned int iv[4], x[4], ct[4];
950    int i;
951    ASSERT((len & 15) == 0);
952    FXSYS_memcpy32(iv, ctx->iv, sizeof(iv));
953    while (len > 0) {
954        for (i = 0; i < 4; i++) {
955            x[i] = ct[i] = GET_32BIT_MSB_FIRST(src + 4 * i);
956        }
957        aes_decrypt(ctx, x);
958        for (i = 0; i < 4; i++) {
959            PUT_32BIT_MSB_FIRST(dest + 4 * i, iv[i] ^ x[i]);
960            iv[i] = ct[i];
961        }
962        dest += 16;
963        src += 16;
964        len -= 16;
965    }
966    FXSYS_memcpy32(ctx->iv, iv, sizeof(iv));
967}
968static void aes_encrypt(AESContext * ctx, unsigned int * block)
969{
970    ctx->encrypt(ctx, block);
971}
972static void aes_encrypt_cbc(unsigned char *dest, const unsigned char *src, int len, AESContext * ctx)
973{
974    unsigned int iv[4];
975    int i;
976    ASSERT((len & 15) == 0);
977    FXSYS_memcpy32(iv, ctx->iv, sizeof(iv));
978    while (len > 0) {
979        for (i = 0; i < 4; i++) {
980            iv[i] ^= GET_32BIT_MSB_FIRST(src + 4 * i);
981        }
982        aes_encrypt(ctx, iv);
983        for (i = 0; i < 4; i++) {
984            PUT_32BIT_MSB_FIRST(dest + 4 * i, iv[i]);
985        }
986        dest += 16;
987        src += 16;
988        len -= 16;
989    }
990    FXSYS_memcpy32(ctx->iv, iv, sizeof(iv));
991}
992void CRYPT_AESSetKey(FX_LPVOID context, FX_DWORD blocklen, FX_LPCBYTE key, FX_DWORD keylen, FX_BOOL bEncrypt)
993{
994    aes_setup((AESContext*)context, blocklen, key, keylen);
995}
996void CRYPT_AESSetIV(FX_LPVOID context, FX_LPCBYTE iv)
997{
998    int i;
999    for (i = 0; i < ((AESContext*)context)->Nb; i++) {
1000        ((AESContext*)context)->iv[i] = GET_32BIT_MSB_FIRST(iv + 4 * i);
1001    }
1002}
1003void CRYPT_AESDecrypt(FX_LPVOID context, FX_LPBYTE dest, FX_LPCBYTE src, FX_DWORD len)
1004{
1005    aes_decrypt_cbc(dest, src, len, (AESContext*)context);
1006}
1007void CRYPT_AESEncrypt(FX_LPVOID context, FX_LPBYTE dest, FX_LPCBYTE src, FX_DWORD len)
1008{
1009    aes_encrypt_cbc(dest, src, len, (AESContext*)context);
1010}
1011#ifdef __cplusplus
1012};
1013#endif
1014