/src/openssl/crypto/aria/aria.c
Line  | Count  | Source (jump to first uncovered line)  | 
1  |  | /*  | 
2  |  |  * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.  | 
3  |  |  * Copyright (c) 2017, Oracle and/or its affiliates.  All rights reserved.  | 
4  |  |  *  | 
5  |  |  * Licensed under the Apache License 2.0 (the "License").  You may not use  | 
6  |  |  * this file except in compliance with the License.  You can obtain a copy  | 
7  |  |  * in the file LICENSE in the source distribution or at  | 
8  |  |  * https://www.openssl.org/source/license.html  | 
9  |  |  */  | 
10  |  |  | 
11  |  | /*  | 
12  |  |  * Copyright (C) 2017 National Security Research Institute. All Rights Reserved.  | 
13  |  |  *  | 
14  |  |  * Information for ARIA  | 
15  |  |  *     http://210.104.33.10/ARIA/index-e.html (English)  | 
16  |  |  *     http://seed.kisa.or.kr/ (Korean)  | 
17  |  |  *  | 
18  |  |  * Public domain version is distributed above.  | 
19  |  |  */  | 
20  |  |  | 
21  |  | #include <openssl/e_os2.h>  | 
22  |  | #include "crypto/aria.h"  | 
23  |  |  | 
24  |  | #include <assert.h>  | 
25  |  | #include <string.h>  | 
26  |  |  | 
27  |  | #ifndef OPENSSL_SMALL_FOOTPRINT  | 
28  |  |  | 
29  |  | /* Begin macro */  | 
30  |  |  | 
31  |  | /* rotation */  | 
32  |  | #define rotl32(v, r) (((uint32_t)(v) << (r)) | ((uint32_t)(v) >> (32 - r)))  | 
33  | 0  | #define rotr32(v, r) (((uint32_t)(v) >> (r)) | ((uint32_t)(v) << (32 - r)))  | 
34  |  |  | 
35  |  | #define bswap32(v)                                          \  | 
36  | 0  |     (((v) << 24) ^ ((v) >> 24) ^                            \  | 
37  | 0  |     (((v) & 0x0000ff00) << 8) ^ (((v) & 0x00ff0000) >> 8))  | 
38  |  |  | 
39  | 0  | #define GET_U8_BE(X, Y) ((uint8_t)((X) >> ((3 - Y) * 8)))  | 
40  | 0  | #define GET_U32_BE(X, Y) (                                  \  | 
41  | 0  |     ((uint32_t)((const uint8_t *)(X))[Y * 4    ] << 24) ^   \  | 
42  | 0  |     ((uint32_t)((const uint8_t *)(X))[Y * 4 + 1] << 16) ^   \  | 
43  | 0  |     ((uint32_t)((const uint8_t *)(X))[Y * 4 + 2] <<  8) ^   \  | 
44  | 0  |     ((uint32_t)((const uint8_t *)(X))[Y * 4 + 3]      )     )  | 
45  |  |  | 
46  |  | #define PUT_U32_BE(DEST, IDX, VAL)                              \  | 
47  | 0  |     do {                                                        \ | 
48  | 0  |         ((uint8_t *)(DEST))[IDX * 4    ] = GET_U8_BE(VAL, 0);   \  | 
49  | 0  |         ((uint8_t *)(DEST))[IDX * 4 + 1] = GET_U8_BE(VAL, 1);   \  | 
50  | 0  |         ((uint8_t *)(DEST))[IDX * 4 + 2] = GET_U8_BE(VAL, 2);   \  | 
51  | 0  |         ((uint8_t *)(DEST))[IDX * 4 + 3] = GET_U8_BE(VAL, 3);   \  | 
52  | 0  |     } while(0)  | 
53  |  |  | 
54  | 0  | #define MAKE_U32(V0, V1, V2, V3) (      \  | 
55  | 0  |     ((uint32_t)((uint8_t)(V0)) << 24) | \  | 
56  | 0  |     ((uint32_t)((uint8_t)(V1)) << 16) | \  | 
57  | 0  |     ((uint32_t)((uint8_t)(V2)) <<  8) | \  | 
58  | 0  |     ((uint32_t)((uint8_t)(V3))      )   )  | 
59  |  |  | 
60  |  | /* End Macro*/  | 
61  |  |  | 
62  |  | /* Key Constant  | 
63  |  |  * 128bit : 0, 1,    2  | 
64  |  |  * 192bit : 1, 2,    3(0)  | 
65  |  |  * 256bit : 2, 3(0), 4(1)  | 
66  |  |  */  | 
67  |  | static const uint32_t Key_RC[5][4] = { | 
68  |  |     { 0x517cc1b7, 0x27220a94, 0xfe13abe8, 0xfa9a6ee0 }, | 
69  |  |     { 0x6db14acc, 0x9e21c820, 0xff28b1d5, 0xef5de2b0 }, | 
70  |  |     { 0xdb92371d, 0x2126e970, 0x03249775, 0x04e8c90e }, | 
71  |  |     { 0x517cc1b7, 0x27220a94, 0xfe13abe8, 0xfa9a6ee0 }, | 
72  |  |     { 0x6db14acc, 0x9e21c820, 0xff28b1d5, 0xef5de2b0 } | 
73  |  | };  | 
74  |  |  | 
75  |  | /* 32bit expanded s-box */  | 
76  |  | static const uint32_t S1[256] = { | 
77  |  |     0x00636363, 0x007c7c7c, 0x00777777, 0x007b7b7b,  | 
78  |  |     0x00f2f2f2, 0x006b6b6b, 0x006f6f6f, 0x00c5c5c5,  | 
79  |  |     0x00303030, 0x00010101, 0x00676767, 0x002b2b2b,  | 
80  |  |     0x00fefefe, 0x00d7d7d7, 0x00ababab, 0x00767676,  | 
81  |  |     0x00cacaca, 0x00828282, 0x00c9c9c9, 0x007d7d7d,  | 
82  |  |     0x00fafafa, 0x00595959, 0x00474747, 0x00f0f0f0,  | 
83  |  |     0x00adadad, 0x00d4d4d4, 0x00a2a2a2, 0x00afafaf,  | 
84  |  |     0x009c9c9c, 0x00a4a4a4, 0x00727272, 0x00c0c0c0,  | 
85  |  |     0x00b7b7b7, 0x00fdfdfd, 0x00939393, 0x00262626,  | 
86  |  |     0x00363636, 0x003f3f3f, 0x00f7f7f7, 0x00cccccc,  | 
87  |  |     0x00343434, 0x00a5a5a5, 0x00e5e5e5, 0x00f1f1f1,  | 
88  |  |     0x00717171, 0x00d8d8d8, 0x00313131, 0x00151515,  | 
89  |  |     0x00040404, 0x00c7c7c7, 0x00232323, 0x00c3c3c3,  | 
90  |  |     0x00181818, 0x00969696, 0x00050505, 0x009a9a9a,  | 
91  |  |     0x00070707, 0x00121212, 0x00808080, 0x00e2e2e2,  | 
92  |  |     0x00ebebeb, 0x00272727, 0x00b2b2b2, 0x00757575,  | 
93  |  |     0x00090909, 0x00838383, 0x002c2c2c, 0x001a1a1a,  | 
94  |  |     0x001b1b1b, 0x006e6e6e, 0x005a5a5a, 0x00a0a0a0,  | 
95  |  |     0x00525252, 0x003b3b3b, 0x00d6d6d6, 0x00b3b3b3,  | 
96  |  |     0x00292929, 0x00e3e3e3, 0x002f2f2f, 0x00848484,  | 
97  |  |     0x00535353, 0x00d1d1d1, 0x00000000, 0x00ededed,  | 
98  |  |     0x00202020, 0x00fcfcfc, 0x00b1b1b1, 0x005b5b5b,  | 
99  |  |     0x006a6a6a, 0x00cbcbcb, 0x00bebebe, 0x00393939,  | 
100  |  |     0x004a4a4a, 0x004c4c4c, 0x00585858, 0x00cfcfcf,  | 
101  |  |     0x00d0d0d0, 0x00efefef, 0x00aaaaaa, 0x00fbfbfb,  | 
102  |  |     0x00434343, 0x004d4d4d, 0x00333333, 0x00858585,  | 
103  |  |     0x00454545, 0x00f9f9f9, 0x00020202, 0x007f7f7f,  | 
104  |  |     0x00505050, 0x003c3c3c, 0x009f9f9f, 0x00a8a8a8,  | 
105  |  |     0x00515151, 0x00a3a3a3, 0x00404040, 0x008f8f8f,  | 
106  |  |     0x00929292, 0x009d9d9d, 0x00383838, 0x00f5f5f5,  | 
107  |  |     0x00bcbcbc, 0x00b6b6b6, 0x00dadada, 0x00212121,  | 
108  |  |     0x00101010, 0x00ffffff, 0x00f3f3f3, 0x00d2d2d2,  | 
109  |  |     0x00cdcdcd, 0x000c0c0c, 0x00131313, 0x00ececec,  | 
110  |  |     0x005f5f5f, 0x00979797, 0x00444444, 0x00171717,  | 
111  |  |     0x00c4c4c4, 0x00a7a7a7, 0x007e7e7e, 0x003d3d3d,  | 
112  |  |     0x00646464, 0x005d5d5d, 0x00191919, 0x00737373,  | 
113  |  |     0x00606060, 0x00818181, 0x004f4f4f, 0x00dcdcdc,  | 
114  |  |     0x00222222, 0x002a2a2a, 0x00909090, 0x00888888,  | 
115  |  |     0x00464646, 0x00eeeeee, 0x00b8b8b8, 0x00141414,  | 
116  |  |     0x00dedede, 0x005e5e5e, 0x000b0b0b, 0x00dbdbdb,  | 
117  |  |     0x00e0e0e0, 0x00323232, 0x003a3a3a, 0x000a0a0a,  | 
118  |  |     0x00494949, 0x00060606, 0x00242424, 0x005c5c5c,  | 
119  |  |     0x00c2c2c2, 0x00d3d3d3, 0x00acacac, 0x00626262,  | 
120  |  |     0x00919191, 0x00959595, 0x00e4e4e4, 0x00797979,  | 
121  |  |     0x00e7e7e7, 0x00c8c8c8, 0x00373737, 0x006d6d6d,  | 
122  |  |     0x008d8d8d, 0x00d5d5d5, 0x004e4e4e, 0x00a9a9a9,  | 
123  |  |     0x006c6c6c, 0x00565656, 0x00f4f4f4, 0x00eaeaea,  | 
124  |  |     0x00656565, 0x007a7a7a, 0x00aeaeae, 0x00080808,  | 
125  |  |     0x00bababa, 0x00787878, 0x00252525, 0x002e2e2e,  | 
126  |  |     0x001c1c1c, 0x00a6a6a6, 0x00b4b4b4, 0x00c6c6c6,  | 
127  |  |     0x00e8e8e8, 0x00dddddd, 0x00747474, 0x001f1f1f,  | 
128  |  |     0x004b4b4b, 0x00bdbdbd, 0x008b8b8b, 0x008a8a8a,  | 
129  |  |     0x00707070, 0x003e3e3e, 0x00b5b5b5, 0x00666666,  | 
130  |  |     0x00484848, 0x00030303, 0x00f6f6f6, 0x000e0e0e,  | 
131  |  |     0x00616161, 0x00353535, 0x00575757, 0x00b9b9b9,  | 
132  |  |     0x00868686, 0x00c1c1c1, 0x001d1d1d, 0x009e9e9e,  | 
133  |  |     0x00e1e1e1, 0x00f8f8f8, 0x00989898, 0x00111111,  | 
134  |  |     0x00696969, 0x00d9d9d9, 0x008e8e8e, 0x00949494,  | 
135  |  |     0x009b9b9b, 0x001e1e1e, 0x00878787, 0x00e9e9e9,  | 
136  |  |     0x00cecece, 0x00555555, 0x00282828, 0x00dfdfdf,  | 
137  |  |     0x008c8c8c, 0x00a1a1a1, 0x00898989, 0x000d0d0d,  | 
138  |  |     0x00bfbfbf, 0x00e6e6e6, 0x00424242, 0x00686868,  | 
139  |  |     0x00414141, 0x00999999, 0x002d2d2d, 0x000f0f0f,  | 
140  |  |     0x00b0b0b0, 0x00545454, 0x00bbbbbb, 0x00161616  | 
141  |  | };  | 
142  |  |  | 
143  |  | static const uint32_t S2[256] = { | 
144  |  |     0xe200e2e2, 0x4e004e4e, 0x54005454, 0xfc00fcfc,  | 
145  |  |     0x94009494, 0xc200c2c2, 0x4a004a4a, 0xcc00cccc,  | 
146  |  |     0x62006262, 0x0d000d0d, 0x6a006a6a, 0x46004646,  | 
147  |  |     0x3c003c3c, 0x4d004d4d, 0x8b008b8b, 0xd100d1d1,  | 
148  |  |     0x5e005e5e, 0xfa00fafa, 0x64006464, 0xcb00cbcb,  | 
149  |  |     0xb400b4b4, 0x97009797, 0xbe00bebe, 0x2b002b2b,  | 
150  |  |     0xbc00bcbc, 0x77007777, 0x2e002e2e, 0x03000303,  | 
151  |  |     0xd300d3d3, 0x19001919, 0x59005959, 0xc100c1c1,  | 
152  |  |     0x1d001d1d, 0x06000606, 0x41004141, 0x6b006b6b,  | 
153  |  |     0x55005555, 0xf000f0f0, 0x99009999, 0x69006969,  | 
154  |  |     0xea00eaea, 0x9c009c9c, 0x18001818, 0xae00aeae,  | 
155  |  |     0x63006363, 0xdf00dfdf, 0xe700e7e7, 0xbb00bbbb,  | 
156  |  |     0x00000000, 0x73007373, 0x66006666, 0xfb00fbfb,  | 
157  |  |     0x96009696, 0x4c004c4c, 0x85008585, 0xe400e4e4,  | 
158  |  |     0x3a003a3a, 0x09000909, 0x45004545, 0xaa00aaaa,  | 
159  |  |     0x0f000f0f, 0xee00eeee, 0x10001010, 0xeb00ebeb,  | 
160  |  |     0x2d002d2d, 0x7f007f7f, 0xf400f4f4, 0x29002929,  | 
161  |  |     0xac00acac, 0xcf00cfcf, 0xad00adad, 0x91009191,  | 
162  |  |     0x8d008d8d, 0x78007878, 0xc800c8c8, 0x95009595,  | 
163  |  |     0xf900f9f9, 0x2f002f2f, 0xce00cece, 0xcd00cdcd,  | 
164  |  |     0x08000808, 0x7a007a7a, 0x88008888, 0x38003838,  | 
165  |  |     0x5c005c5c, 0x83008383, 0x2a002a2a, 0x28002828,  | 
166  |  |     0x47004747, 0xdb00dbdb, 0xb800b8b8, 0xc700c7c7,  | 
167  |  |     0x93009393, 0xa400a4a4, 0x12001212, 0x53005353,  | 
168  |  |     0xff00ffff, 0x87008787, 0x0e000e0e, 0x31003131,  | 
169  |  |     0x36003636, 0x21002121, 0x58005858, 0x48004848,  | 
170  |  |     0x01000101, 0x8e008e8e, 0x37003737, 0x74007474,  | 
171  |  |     0x32003232, 0xca00caca, 0xe900e9e9, 0xb100b1b1,  | 
172  |  |     0xb700b7b7, 0xab00abab, 0x0c000c0c, 0xd700d7d7,  | 
173  |  |     0xc400c4c4, 0x56005656, 0x42004242, 0x26002626,  | 
174  |  |     0x07000707, 0x98009898, 0x60006060, 0xd900d9d9,  | 
175  |  |     0xb600b6b6, 0xb900b9b9, 0x11001111, 0x40004040,  | 
176  |  |     0xec00ecec, 0x20002020, 0x8c008c8c, 0xbd00bdbd,  | 
177  |  |     0xa000a0a0, 0xc900c9c9, 0x84008484, 0x04000404,  | 
178  |  |     0x49004949, 0x23002323, 0xf100f1f1, 0x4f004f4f,  | 
179  |  |     0x50005050, 0x1f001f1f, 0x13001313, 0xdc00dcdc,  | 
180  |  |     0xd800d8d8, 0xc000c0c0, 0x9e009e9e, 0x57005757,  | 
181  |  |     0xe300e3e3, 0xc300c3c3, 0x7b007b7b, 0x65006565,  | 
182  |  |     0x3b003b3b, 0x02000202, 0x8f008f8f, 0x3e003e3e,  | 
183  |  |     0xe800e8e8, 0x25002525, 0x92009292, 0xe500e5e5,  | 
184  |  |     0x15001515, 0xdd00dddd, 0xfd00fdfd, 0x17001717,  | 
185  |  |     0xa900a9a9, 0xbf00bfbf, 0xd400d4d4, 0x9a009a9a,  | 
186  |  |     0x7e007e7e, 0xc500c5c5, 0x39003939, 0x67006767,  | 
187  |  |     0xfe00fefe, 0x76007676, 0x9d009d9d, 0x43004343,  | 
188  |  |     0xa700a7a7, 0xe100e1e1, 0xd000d0d0, 0xf500f5f5,  | 
189  |  |     0x68006868, 0xf200f2f2, 0x1b001b1b, 0x34003434,  | 
190  |  |     0x70007070, 0x05000505, 0xa300a3a3, 0x8a008a8a,  | 
191  |  |     0xd500d5d5, 0x79007979, 0x86008686, 0xa800a8a8,  | 
192  |  |     0x30003030, 0xc600c6c6, 0x51005151, 0x4b004b4b,  | 
193  |  |     0x1e001e1e, 0xa600a6a6, 0x27002727, 0xf600f6f6,  | 
194  |  |     0x35003535, 0xd200d2d2, 0x6e006e6e, 0x24002424,  | 
195  |  |     0x16001616, 0x82008282, 0x5f005f5f, 0xda00dada,  | 
196  |  |     0xe600e6e6, 0x75007575, 0xa200a2a2, 0xef00efef,  | 
197  |  |     0x2c002c2c, 0xb200b2b2, 0x1c001c1c, 0x9f009f9f,  | 
198  |  |     0x5d005d5d, 0x6f006f6f, 0x80008080, 0x0a000a0a,  | 
199  |  |     0x72007272, 0x44004444, 0x9b009b9b, 0x6c006c6c,  | 
200  |  |     0x90009090, 0x0b000b0b, 0x5b005b5b, 0x33003333,  | 
201  |  |     0x7d007d7d, 0x5a005a5a, 0x52005252, 0xf300f3f3,  | 
202  |  |     0x61006161, 0xa100a1a1, 0xf700f7f7, 0xb000b0b0,  | 
203  |  |     0xd600d6d6, 0x3f003f3f, 0x7c007c7c, 0x6d006d6d,  | 
204  |  |     0xed00eded, 0x14001414, 0xe000e0e0, 0xa500a5a5,  | 
205  |  |     0x3d003d3d, 0x22002222, 0xb300b3b3, 0xf800f8f8,  | 
206  |  |     0x89008989, 0xde00dede, 0x71007171, 0x1a001a1a,  | 
207  |  |     0xaf00afaf, 0xba00baba, 0xb500b5b5, 0x81008181  | 
208  |  | };  | 
209  |  |  | 
210  |  | static const uint32_t X1[256] = { | 
211  |  |     0x52520052, 0x09090009, 0x6a6a006a, 0xd5d500d5,  | 
212  |  |     0x30300030, 0x36360036, 0xa5a500a5, 0x38380038,  | 
213  |  |     0xbfbf00bf, 0x40400040, 0xa3a300a3, 0x9e9e009e,  | 
214  |  |     0x81810081, 0xf3f300f3, 0xd7d700d7, 0xfbfb00fb,  | 
215  |  |     0x7c7c007c, 0xe3e300e3, 0x39390039, 0x82820082,  | 
216  |  |     0x9b9b009b, 0x2f2f002f, 0xffff00ff, 0x87870087,  | 
217  |  |     0x34340034, 0x8e8e008e, 0x43430043, 0x44440044,  | 
218  |  |     0xc4c400c4, 0xdede00de, 0xe9e900e9, 0xcbcb00cb,  | 
219  |  |     0x54540054, 0x7b7b007b, 0x94940094, 0x32320032,  | 
220  |  |     0xa6a600a6, 0xc2c200c2, 0x23230023, 0x3d3d003d,  | 
221  |  |     0xeeee00ee, 0x4c4c004c, 0x95950095, 0x0b0b000b,  | 
222  |  |     0x42420042, 0xfafa00fa, 0xc3c300c3, 0x4e4e004e,  | 
223  |  |     0x08080008, 0x2e2e002e, 0xa1a100a1, 0x66660066,  | 
224  |  |     0x28280028, 0xd9d900d9, 0x24240024, 0xb2b200b2,  | 
225  |  |     0x76760076, 0x5b5b005b, 0xa2a200a2, 0x49490049,  | 
226  |  |     0x6d6d006d, 0x8b8b008b, 0xd1d100d1, 0x25250025,  | 
227  |  |     0x72720072, 0xf8f800f8, 0xf6f600f6, 0x64640064,  | 
228  |  |     0x86860086, 0x68680068, 0x98980098, 0x16160016,  | 
229  |  |     0xd4d400d4, 0xa4a400a4, 0x5c5c005c, 0xcccc00cc,  | 
230  |  |     0x5d5d005d, 0x65650065, 0xb6b600b6, 0x92920092,  | 
231  |  |     0x6c6c006c, 0x70700070, 0x48480048, 0x50500050,  | 
232  |  |     0xfdfd00fd, 0xeded00ed, 0xb9b900b9, 0xdada00da,  | 
233  |  |     0x5e5e005e, 0x15150015, 0x46460046, 0x57570057,  | 
234  |  |     0xa7a700a7, 0x8d8d008d, 0x9d9d009d, 0x84840084,  | 
235  |  |     0x90900090, 0xd8d800d8, 0xabab00ab, 0x00000000,  | 
236  |  |     0x8c8c008c, 0xbcbc00bc, 0xd3d300d3, 0x0a0a000a,  | 
237  |  |     0xf7f700f7, 0xe4e400e4, 0x58580058, 0x05050005,  | 
238  |  |     0xb8b800b8, 0xb3b300b3, 0x45450045, 0x06060006,  | 
239  |  |     0xd0d000d0, 0x2c2c002c, 0x1e1e001e, 0x8f8f008f,  | 
240  |  |     0xcaca00ca, 0x3f3f003f, 0x0f0f000f, 0x02020002,  | 
241  |  |     0xc1c100c1, 0xafaf00af, 0xbdbd00bd, 0x03030003,  | 
242  |  |     0x01010001, 0x13130013, 0x8a8a008a, 0x6b6b006b,  | 
243  |  |     0x3a3a003a, 0x91910091, 0x11110011, 0x41410041,  | 
244  |  |     0x4f4f004f, 0x67670067, 0xdcdc00dc, 0xeaea00ea,  | 
245  |  |     0x97970097, 0xf2f200f2, 0xcfcf00cf, 0xcece00ce,  | 
246  |  |     0xf0f000f0, 0xb4b400b4, 0xe6e600e6, 0x73730073,  | 
247  |  |     0x96960096, 0xacac00ac, 0x74740074, 0x22220022,  | 
248  |  |     0xe7e700e7, 0xadad00ad, 0x35350035, 0x85850085,  | 
249  |  |     0xe2e200e2, 0xf9f900f9, 0x37370037, 0xe8e800e8,  | 
250  |  |     0x1c1c001c, 0x75750075, 0xdfdf00df, 0x6e6e006e,  | 
251  |  |     0x47470047, 0xf1f100f1, 0x1a1a001a, 0x71710071,  | 
252  |  |     0x1d1d001d, 0x29290029, 0xc5c500c5, 0x89890089,  | 
253  |  |     0x6f6f006f, 0xb7b700b7, 0x62620062, 0x0e0e000e,  | 
254  |  |     0xaaaa00aa, 0x18180018, 0xbebe00be, 0x1b1b001b,  | 
255  |  |     0xfcfc00fc, 0x56560056, 0x3e3e003e, 0x4b4b004b,  | 
256  |  |     0xc6c600c6, 0xd2d200d2, 0x79790079, 0x20200020,  | 
257  |  |     0x9a9a009a, 0xdbdb00db, 0xc0c000c0, 0xfefe00fe,  | 
258  |  |     0x78780078, 0xcdcd00cd, 0x5a5a005a, 0xf4f400f4,  | 
259  |  |     0x1f1f001f, 0xdddd00dd, 0xa8a800a8, 0x33330033,  | 
260  |  |     0x88880088, 0x07070007, 0xc7c700c7, 0x31310031,  | 
261  |  |     0xb1b100b1, 0x12120012, 0x10100010, 0x59590059,  | 
262  |  |     0x27270027, 0x80800080, 0xecec00ec, 0x5f5f005f,  | 
263  |  |     0x60600060, 0x51510051, 0x7f7f007f, 0xa9a900a9,  | 
264  |  |     0x19190019, 0xb5b500b5, 0x4a4a004a, 0x0d0d000d,  | 
265  |  |     0x2d2d002d, 0xe5e500e5, 0x7a7a007a, 0x9f9f009f,  | 
266  |  |     0x93930093, 0xc9c900c9, 0x9c9c009c, 0xefef00ef,  | 
267  |  |     0xa0a000a0, 0xe0e000e0, 0x3b3b003b, 0x4d4d004d,  | 
268  |  |     0xaeae00ae, 0x2a2a002a, 0xf5f500f5, 0xb0b000b0,  | 
269  |  |     0xc8c800c8, 0xebeb00eb, 0xbbbb00bb, 0x3c3c003c,  | 
270  |  |     0x83830083, 0x53530053, 0x99990099, 0x61610061,  | 
271  |  |     0x17170017, 0x2b2b002b, 0x04040004, 0x7e7e007e,  | 
272  |  |     0xbaba00ba, 0x77770077, 0xd6d600d6, 0x26260026,  | 
273  |  |     0xe1e100e1, 0x69690069, 0x14140014, 0x63630063,  | 
274  |  |     0x55550055, 0x21210021, 0x0c0c000c, 0x7d7d007d  | 
275  |  | };  | 
276  |  |  | 
277  |  | static const uint32_t X2[256] = { | 
278  |  |     0x30303000, 0x68686800, 0x99999900, 0x1b1b1b00,  | 
279  |  |     0x87878700, 0xb9b9b900, 0x21212100, 0x78787800,  | 
280  |  |     0x50505000, 0x39393900, 0xdbdbdb00, 0xe1e1e100,  | 
281  |  |     0x72727200, 0x09090900, 0x62626200, 0x3c3c3c00,  | 
282  |  |     0x3e3e3e00, 0x7e7e7e00, 0x5e5e5e00, 0x8e8e8e00,  | 
283  |  |     0xf1f1f100, 0xa0a0a000, 0xcccccc00, 0xa3a3a300,  | 
284  |  |     0x2a2a2a00, 0x1d1d1d00, 0xfbfbfb00, 0xb6b6b600,  | 
285  |  |     0xd6d6d600, 0x20202000, 0xc4c4c400, 0x8d8d8d00,  | 
286  |  |     0x81818100, 0x65656500, 0xf5f5f500, 0x89898900,  | 
287  |  |     0xcbcbcb00, 0x9d9d9d00, 0x77777700, 0xc6c6c600,  | 
288  |  |     0x57575700, 0x43434300, 0x56565600, 0x17171700,  | 
289  |  |     0xd4d4d400, 0x40404000, 0x1a1a1a00, 0x4d4d4d00,  | 
290  |  |     0xc0c0c000, 0x63636300, 0x6c6c6c00, 0xe3e3e300,  | 
291  |  |     0xb7b7b700, 0xc8c8c800, 0x64646400, 0x6a6a6a00,  | 
292  |  |     0x53535300, 0xaaaaaa00, 0x38383800, 0x98989800,  | 
293  |  |     0x0c0c0c00, 0xf4f4f400, 0x9b9b9b00, 0xededed00,  | 
294  |  |     0x7f7f7f00, 0x22222200, 0x76767600, 0xafafaf00,  | 
295  |  |     0xdddddd00, 0x3a3a3a00, 0x0b0b0b00, 0x58585800,  | 
296  |  |     0x67676700, 0x88888800, 0x06060600, 0xc3c3c300,  | 
297  |  |     0x35353500, 0x0d0d0d00, 0x01010100, 0x8b8b8b00,  | 
298  |  |     0x8c8c8c00, 0xc2c2c200, 0xe6e6e600, 0x5f5f5f00,  | 
299  |  |     0x02020200, 0x24242400, 0x75757500, 0x93939300,  | 
300  |  |     0x66666600, 0x1e1e1e00, 0xe5e5e500, 0xe2e2e200,  | 
301  |  |     0x54545400, 0xd8d8d800, 0x10101000, 0xcecece00,  | 
302  |  |     0x7a7a7a00, 0xe8e8e800, 0x08080800, 0x2c2c2c00,  | 
303  |  |     0x12121200, 0x97979700, 0x32323200, 0xababab00,  | 
304  |  |     0xb4b4b400, 0x27272700, 0x0a0a0a00, 0x23232300,  | 
305  |  |     0xdfdfdf00, 0xefefef00, 0xcacaca00, 0xd9d9d900,  | 
306  |  |     0xb8b8b800, 0xfafafa00, 0xdcdcdc00, 0x31313100,  | 
307  |  |     0x6b6b6b00, 0xd1d1d100, 0xadadad00, 0x19191900,  | 
308  |  |     0x49494900, 0xbdbdbd00, 0x51515100, 0x96969600,  | 
309  |  |     0xeeeeee00, 0xe4e4e400, 0xa8a8a800, 0x41414100,  | 
310  |  |     0xdadada00, 0xffffff00, 0xcdcdcd00, 0x55555500,  | 
311  |  |     0x86868600, 0x36363600, 0xbebebe00, 0x61616100,  | 
312  |  |     0x52525200, 0xf8f8f800, 0xbbbbbb00, 0x0e0e0e00,  | 
313  |  |     0x82828200, 0x48484800, 0x69696900, 0x9a9a9a00,  | 
314  |  |     0xe0e0e000, 0x47474700, 0x9e9e9e00, 0x5c5c5c00,  | 
315  |  |     0x04040400, 0x4b4b4b00, 0x34343400, 0x15151500,  | 
316  |  |     0x79797900, 0x26262600, 0xa7a7a700, 0xdedede00,  | 
317  |  |     0x29292900, 0xaeaeae00, 0x92929200, 0xd7d7d700,  | 
318  |  |     0x84848400, 0xe9e9e900, 0xd2d2d200, 0xbababa00,  | 
319  |  |     0x5d5d5d00, 0xf3f3f300, 0xc5c5c500, 0xb0b0b000,  | 
320  |  |     0xbfbfbf00, 0xa4a4a400, 0x3b3b3b00, 0x71717100,  | 
321  |  |     0x44444400, 0x46464600, 0x2b2b2b00, 0xfcfcfc00,  | 
322  |  |     0xebebeb00, 0x6f6f6f00, 0xd5d5d500, 0xf6f6f600,  | 
323  |  |     0x14141400, 0xfefefe00, 0x7c7c7c00, 0x70707000,  | 
324  |  |     0x5a5a5a00, 0x7d7d7d00, 0xfdfdfd00, 0x2f2f2f00,  | 
325  |  |     0x18181800, 0x83838300, 0x16161600, 0xa5a5a500,  | 
326  |  |     0x91919100, 0x1f1f1f00, 0x05050500, 0x95959500,  | 
327  |  |     0x74747400, 0xa9a9a900, 0xc1c1c100, 0x5b5b5b00,  | 
328  |  |     0x4a4a4a00, 0x85858500, 0x6d6d6d00, 0x13131300,  | 
329  |  |     0x07070700, 0x4f4f4f00, 0x4e4e4e00, 0x45454500,  | 
330  |  |     0xb2b2b200, 0x0f0f0f00, 0xc9c9c900, 0x1c1c1c00,  | 
331  |  |     0xa6a6a600, 0xbcbcbc00, 0xececec00, 0x73737300,  | 
332  |  |     0x90909000, 0x7b7b7b00, 0xcfcfcf00, 0x59595900,  | 
333  |  |     0x8f8f8f00, 0xa1a1a100, 0xf9f9f900, 0x2d2d2d00,  | 
334  |  |     0xf2f2f200, 0xb1b1b100, 0x00000000, 0x94949400,  | 
335  |  |     0x37373700, 0x9f9f9f00, 0xd0d0d000, 0x2e2e2e00,  | 
336  |  |     0x9c9c9c00, 0x6e6e6e00, 0x28282800, 0x3f3f3f00,  | 
337  |  |     0x80808000, 0xf0f0f000, 0x3d3d3d00, 0xd3d3d300,  | 
338  |  |     0x25252500, 0x8a8a8a00, 0xb5b5b500, 0xe7e7e700,  | 
339  |  |     0x42424200, 0xb3b3b300, 0xc7c7c700, 0xeaeaea00,  | 
340  |  |     0xf7f7f700, 0x4c4c4c00, 0x11111100, 0x33333300,  | 
341  |  |     0x03030300, 0xa2a2a200, 0xacacac00, 0x60606000  | 
342  |  | };  | 
343  |  |  | 
344  |  | /* Key XOR Layer */  | 
345  |  | #define ARIA_ADD_ROUND_KEY(RK, T0, T1, T2, T3)  \  | 
346  | 0  |     do {                                        \ | 
347  | 0  |         (T0) ^= (RK)->u[0];                     \  | 
348  | 0  |         (T1) ^= (RK)->u[1];                     \  | 
349  | 0  |         (T2) ^= (RK)->u[2];                     \  | 
350  | 0  |         (T3) ^= (RK)->u[3];                     \  | 
351  | 0  |     } while(0)  | 
352  |  |  | 
353  |  | /* S-Box Layer 1 + M */  | 
354  |  | #define ARIA_SBOX_LAYER1_WITH_PRE_DIFF(T0, T1, T2, T3)  \  | 
355  | 0  |     do {                                                \ | 
356  | 0  |         (T0) =                                          \  | 
357  | 0  |             S1[GET_U8_BE(T0, 0)] ^                      \  | 
358  | 0  |             S2[GET_U8_BE(T0, 1)] ^                      \  | 
359  | 0  |             X1[GET_U8_BE(T0, 2)] ^                      \  | 
360  | 0  |             X2[GET_U8_BE(T0, 3)];                       \  | 
361  | 0  |         (T1) =                                          \  | 
362  | 0  |             S1[GET_U8_BE(T1, 0)] ^                      \  | 
363  | 0  |             S2[GET_U8_BE(T1, 1)] ^                      \  | 
364  | 0  |             X1[GET_U8_BE(T1, 2)] ^                      \  | 
365  | 0  |             X2[GET_U8_BE(T1, 3)];                       \  | 
366  | 0  |         (T2) =                                          \  | 
367  | 0  |             S1[GET_U8_BE(T2, 0)] ^                      \  | 
368  | 0  |             S2[GET_U8_BE(T2, 1)] ^                      \  | 
369  | 0  |             X1[GET_U8_BE(T2, 2)] ^                      \  | 
370  | 0  |             X2[GET_U8_BE(T2, 3)];                       \  | 
371  | 0  |         (T3) =                                          \  | 
372  | 0  |             S1[GET_U8_BE(T3, 0)] ^                      \  | 
373  | 0  |             S2[GET_U8_BE(T3, 1)] ^                      \  | 
374  | 0  |             X1[GET_U8_BE(T3, 2)] ^                      \  | 
375  | 0  |             X2[GET_U8_BE(T3, 3)];                       \  | 
376  | 0  |     } while(0)  | 
377  |  |  | 
378  |  | /* S-Box Layer 2 + M */  | 
379  |  | #define ARIA_SBOX_LAYER2_WITH_PRE_DIFF(T0, T1, T2, T3)  \  | 
380  | 0  |     do {                                                \ | 
381  | 0  |         (T0) =                                          \  | 
382  | 0  |             X1[GET_U8_BE(T0, 0)] ^                      \  | 
383  | 0  |             X2[GET_U8_BE(T0, 1)] ^                      \  | 
384  | 0  |             S1[GET_U8_BE(T0, 2)] ^                      \  | 
385  | 0  |             S2[GET_U8_BE(T0, 3)];                       \  | 
386  | 0  |         (T1) =                                          \  | 
387  | 0  |             X1[GET_U8_BE(T1, 0)] ^                      \  | 
388  | 0  |             X2[GET_U8_BE(T1, 1)] ^                      \  | 
389  | 0  |             S1[GET_U8_BE(T1, 2)] ^                      \  | 
390  | 0  |             S2[GET_U8_BE(T1, 3)];                       \  | 
391  | 0  |         (T2) =                                          \  | 
392  | 0  |             X1[GET_U8_BE(T2, 0)] ^                      \  | 
393  | 0  |             X2[GET_U8_BE(T2, 1)] ^                      \  | 
394  | 0  |             S1[GET_U8_BE(T2, 2)] ^                      \  | 
395  | 0  |             S2[GET_U8_BE(T2, 3)];                       \  | 
396  | 0  |         (T3) =                                          \  | 
397  | 0  |             X1[GET_U8_BE(T3, 0)] ^                      \  | 
398  | 0  |             X2[GET_U8_BE(T3, 1)] ^                      \  | 
399  | 0  |             S1[GET_U8_BE(T3, 2)] ^                      \  | 
400  | 0  |             S2[GET_U8_BE(T3, 3)];                       \  | 
401  | 0  |     } while(0)  | 
402  |  |  | 
403  |  | /* Word-level diffusion */  | 
404  |  | #define ARIA_DIFF_WORD(T0,T1,T2,T3) \  | 
405  | 0  |     do {                            \ | 
406  | 0  |         (T1) ^= (T2);               \  | 
407  | 0  |         (T2) ^= (T3);               \  | 
408  | 0  |         (T0) ^= (T1);               \  | 
409  | 0  |                                     \  | 
410  | 0  |         (T3) ^= (T1);               \  | 
411  | 0  |         (T2) ^= (T0);               \  | 
412  | 0  |         (T1) ^= (T2);               \  | 
413  | 0  |     } while(0)  | 
414  |  |  | 
415  |  | /* Byte-level diffusion */  | 
416  |  | #define ARIA_DIFF_BYTE(T0, T1, T2, T3)                                  \  | 
417  | 0  |     do {                                                                \ | 
418  | 0  |         (T1) = (((T1) << 8) & 0xff00ff00) ^ (((T1) >> 8) & 0x00ff00ff); \  | 
419  | 0  |         (T2) = rotr32(T2, 16);                                          \  | 
420  | 0  |         (T3) = bswap32(T3);                                             \  | 
421  | 0  |     } while(0)  | 
422  |  |  | 
423  |  | /* Odd round Substitution & Diffusion */  | 
424  |  | #define ARIA_SUBST_DIFF_ODD(T0, T1, T2, T3)             \  | 
425  | 0  |     do {                                                \ | 
426  | 0  |         ARIA_SBOX_LAYER1_WITH_PRE_DIFF(T0, T1, T2, T3); \  | 
427  | 0  |         ARIA_DIFF_WORD(T0, T1, T2, T3);                 \  | 
428  | 0  |         ARIA_DIFF_BYTE(T0, T1, T2, T3);                 \  | 
429  | 0  |         ARIA_DIFF_WORD(T0, T1, T2, T3);                 \  | 
430  | 0  |     } while(0)  | 
431  |  |  | 
432  |  | /* Even round Substitution & Diffusion */  | 
433  |  | #define ARIA_SUBST_DIFF_EVEN(T0, T1, T2, T3)            \  | 
434  | 0  |     do {                                                \ | 
435  | 0  |         ARIA_SBOX_LAYER2_WITH_PRE_DIFF(T0, T1, T2, T3); \  | 
436  | 0  |         ARIA_DIFF_WORD(T0, T1, T2, T3);                 \  | 
437  | 0  |         ARIA_DIFF_BYTE(T2, T3, T0, T1);                 \  | 
438  | 0  |         ARIA_DIFF_WORD(T0, T1, T2, T3);                 \  | 
439  | 0  |     } while(0)  | 
440  |  |  | 
441  |  | /* Q, R Macro expanded ARIA GSRK */  | 
442  |  | #define _ARIA_GSRK(RK, X, Y, Q, R)                  \  | 
443  | 0  |     do {                                            \ | 
444  | 0  |         (RK)->u[0] =                                \  | 
445  | 0  |             ((X)[0]) ^                              \  | 
446  | 0  |             (((Y)[((Q)    ) % 4]) >> (R)) ^         \  | 
447  | 0  |             (((Y)[((Q) + 3) % 4]) << (32 - (R)));   \  | 
448  | 0  |         (RK)->u[1] =                                \  | 
449  | 0  |             ((X)[1]) ^                              \  | 
450  | 0  |             (((Y)[((Q) + 1) % 4]) >> (R)) ^         \  | 
451  | 0  |             (((Y)[((Q)    ) % 4]) << (32 - (R)));   \  | 
452  | 0  |         (RK)->u[2] =                                \  | 
453  | 0  |             ((X)[2]) ^                              \  | 
454  | 0  |             (((Y)[((Q) + 2) % 4]) >> (R)) ^         \  | 
455  | 0  |             (((Y)[((Q) + 1) % 4]) << (32 - (R)));   \  | 
456  | 0  |         (RK)->u[3] =                                \  | 
457  | 0  |             ((X)[3]) ^                              \  | 
458  | 0  |             (((Y)[((Q) + 3) % 4]) >> (R)) ^         \  | 
459  | 0  |             (((Y)[((Q) + 2) % 4]) << (32 - (R)));   \  | 
460  | 0  |     } while(0)  | 
461  |  |  | 
462  | 0  | #define ARIA_GSRK(RK, X, Y, N) _ARIA_GSRK(RK, X, Y, 4 - ((N) / 32), (N) % 32)  | 
463  |  |  | 
464  |  | #define ARIA_DEC_DIFF_BYTE(X, Y, TMP, TMP2)         \  | 
465  | 0  |     do {                                            \ | 
466  | 0  |         (TMP) = (X);                                \  | 
467  | 0  |         (TMP2) = rotr32((TMP), 8);                  \  | 
468  | 0  |         (Y) = (TMP2) ^ rotr32((TMP) ^ (TMP2), 16);  \  | 
469  | 0  |     } while(0)  | 
470  |  |  | 
471  |  | void aria_encrypt(const unsigned char *in, unsigned char *out,  | 
472  |  |                   const ARIA_KEY *key)  | 
473  | 0  | { | 
474  | 0  |     register uint32_t reg0, reg1, reg2, reg3;  | 
475  | 0  |     int Nr;  | 
476  | 0  |     const ARIA_u128 *rk;  | 
477  |  | 
  | 
478  | 0  |     if (in == NULL || out == NULL || key == NULL) { | 
479  | 0  |         return;  | 
480  | 0  |     }  | 
481  |  |  | 
482  | 0  |     rk = key->rd_key;  | 
483  | 0  |     Nr = key->rounds;  | 
484  |  | 
  | 
485  | 0  |     if (Nr != 12 && Nr != 14 && Nr != 16) { | 
486  | 0  |         return;  | 
487  | 0  |     }  | 
488  |  |  | 
489  | 0  |     reg0 = GET_U32_BE(in, 0);  | 
490  | 0  |     reg1 = GET_U32_BE(in, 1);  | 
491  | 0  |     reg2 = GET_U32_BE(in, 2);  | 
492  | 0  |     reg3 = GET_U32_BE(in, 3);  | 
493  |  | 
  | 
494  | 0  |     ARIA_ADD_ROUND_KEY(rk, reg0, reg1, reg2, reg3);  | 
495  | 0  |     rk++;  | 
496  |  | 
  | 
497  | 0  |     ARIA_SUBST_DIFF_ODD(reg0, reg1, reg2, reg3);  | 
498  | 0  |     ARIA_ADD_ROUND_KEY(rk, reg0, reg1, reg2, reg3);  | 
499  | 0  |     rk++;  | 
500  |  | 
  | 
501  | 0  |     while(Nr -= 2){ | 
502  | 0  |         ARIA_SUBST_DIFF_EVEN(reg0, reg1, reg2, reg3);  | 
503  | 0  |         ARIA_ADD_ROUND_KEY(rk, reg0, reg1, reg2, reg3);  | 
504  | 0  |         rk++;  | 
505  |  | 
  | 
506  | 0  |         ARIA_SUBST_DIFF_ODD(reg0, reg1, reg2, reg3);  | 
507  | 0  |         ARIA_ADD_ROUND_KEY(rk, reg0, reg1, reg2, reg3);  | 
508  | 0  |         rk++;  | 
509  | 0  |     }  | 
510  |  | 
  | 
511  | 0  |     reg0 = rk->u[0] ^ MAKE_U32(  | 
512  | 0  |         (uint8_t)(X1[GET_U8_BE(reg0, 0)]     ),  | 
513  | 0  |         (uint8_t)(X2[GET_U8_BE(reg0, 1)] >> 8),  | 
514  | 0  |         (uint8_t)(S1[GET_U8_BE(reg0, 2)]     ),  | 
515  | 0  |         (uint8_t)(S2[GET_U8_BE(reg0, 3)]     ));  | 
516  | 0  |     reg1 = rk->u[1] ^ MAKE_U32(  | 
517  | 0  |         (uint8_t)(X1[GET_U8_BE(reg1, 0)]     ),  | 
518  | 0  |         (uint8_t)(X2[GET_U8_BE(reg1, 1)] >> 8),  | 
519  | 0  |         (uint8_t)(S1[GET_U8_BE(reg1, 2)]     ),  | 
520  | 0  |         (uint8_t)(S2[GET_U8_BE(reg1, 3)]     ));  | 
521  | 0  |     reg2 = rk->u[2] ^ MAKE_U32(  | 
522  | 0  |         (uint8_t)(X1[GET_U8_BE(reg2, 0)]     ),  | 
523  | 0  |         (uint8_t)(X2[GET_U8_BE(reg2, 1)] >> 8),  | 
524  | 0  |         (uint8_t)(S1[GET_U8_BE(reg2, 2)]     ),  | 
525  | 0  |         (uint8_t)(S2[GET_U8_BE(reg2, 3)]     ));  | 
526  | 0  |     reg3 = rk->u[3] ^ MAKE_U32(  | 
527  | 0  |         (uint8_t)(X1[GET_U8_BE(reg3, 0)]     ),  | 
528  | 0  |         (uint8_t)(X2[GET_U8_BE(reg3, 1)] >> 8),  | 
529  | 0  |         (uint8_t)(S1[GET_U8_BE(reg3, 2)]     ),  | 
530  | 0  |         (uint8_t)(S2[GET_U8_BE(reg3, 3)]     ));  | 
531  |  | 
  | 
532  | 0  |     PUT_U32_BE(out, 0, reg0);  | 
533  | 0  |     PUT_U32_BE(out, 1, reg1);  | 
534  | 0  |     PUT_U32_BE(out, 2, reg2);  | 
535  | 0  |     PUT_U32_BE(out, 3, reg3);  | 
536  | 0  | }  | 
537  |  |  | 
538  |  | int aria_set_encrypt_key(const unsigned char *userKey, const int bits,  | 
539  |  |                          ARIA_KEY *key)  | 
540  | 0  | { | 
541  | 0  |     register uint32_t reg0, reg1, reg2, reg3;  | 
542  | 0  |     uint32_t w0[4], w1[4], w2[4], w3[4];  | 
543  | 0  |     const uint32_t *ck;  | 
544  |  | 
  | 
545  | 0  |     ARIA_u128 *rk;  | 
546  | 0  |     int Nr = (bits + 256) / 32;  | 
547  |  | 
  | 
548  | 0  |     if (userKey == NULL || key == NULL) { | 
549  | 0  |         return -1;  | 
550  | 0  |     }  | 
551  | 0  |     if (bits != 128 && bits != 192 && bits != 256) { | 
552  | 0  |         return -2;  | 
553  | 0  |     }  | 
554  |  |  | 
555  | 0  |     rk = key->rd_key;  | 
556  | 0  |     key->rounds = Nr;  | 
557  | 0  |     ck = &Key_RC[(bits - 128) / 64][0];  | 
558  |  | 
  | 
559  | 0  |     w0[0] = GET_U32_BE(userKey, 0);  | 
560  | 0  |     w0[1] = GET_U32_BE(userKey, 1);  | 
561  | 0  |     w0[2] = GET_U32_BE(userKey, 2);  | 
562  | 0  |     w0[3] = GET_U32_BE(userKey, 3);  | 
563  |  | 
  | 
564  | 0  |     reg0 = w0[0] ^ ck[0];  | 
565  | 0  |     reg1 = w0[1] ^ ck[1];  | 
566  | 0  |     reg2 = w0[2] ^ ck[2];  | 
567  | 0  |     reg3 = w0[3] ^ ck[3];  | 
568  |  | 
  | 
569  | 0  |     ARIA_SUBST_DIFF_ODD(reg0, reg1, reg2, reg3);  | 
570  |  | 
  | 
571  | 0  |     if (bits > 128) { | 
572  | 0  |         w1[0] = GET_U32_BE(userKey, 4);  | 
573  | 0  |         w1[1] = GET_U32_BE(userKey, 5);  | 
574  | 0  |         if (bits > 192) { | 
575  | 0  |             w1[2] = GET_U32_BE(userKey, 6);  | 
576  | 0  |             w1[3] = GET_U32_BE(userKey, 7);  | 
577  | 0  |         }  | 
578  | 0  |         else { | 
579  | 0  |             w1[2] = w1[3] = 0;  | 
580  | 0  |         }  | 
581  | 0  |     }  | 
582  | 0  |     else { | 
583  | 0  |         w1[0] = w1[1] = w1[2] = w1[3] = 0;  | 
584  | 0  |     }  | 
585  |  | 
  | 
586  | 0  |     w1[0] ^= reg0;  | 
587  | 0  |     w1[1] ^= reg1;  | 
588  | 0  |     w1[2] ^= reg2;  | 
589  | 0  |     w1[3] ^= reg3;  | 
590  |  | 
  | 
591  | 0  |     reg0 = w1[0];  | 
592  | 0  |     reg1 = w1[1];  | 
593  | 0  |     reg2 = w1[2];  | 
594  | 0  |     reg3 = w1[3];  | 
595  |  | 
  | 
596  | 0  |     reg0 ^= ck[4];  | 
597  | 0  |     reg1 ^= ck[5];  | 
598  | 0  |     reg2 ^= ck[6];  | 
599  | 0  |     reg3 ^= ck[7];  | 
600  |  | 
  | 
601  | 0  |     ARIA_SUBST_DIFF_EVEN(reg0, reg1, reg2, reg3);  | 
602  |  | 
  | 
603  | 0  |     reg0 ^= w0[0];  | 
604  | 0  |     reg1 ^= w0[1];  | 
605  | 0  |     reg2 ^= w0[2];  | 
606  | 0  |     reg3 ^= w0[3];  | 
607  |  | 
  | 
608  | 0  |     w2[0] = reg0;  | 
609  | 0  |     w2[1] = reg1;  | 
610  | 0  |     w2[2] = reg2;  | 
611  | 0  |     w2[3] = reg3;  | 
612  |  | 
  | 
613  | 0  |     reg0 ^= ck[8];  | 
614  | 0  |     reg1 ^= ck[9];  | 
615  | 0  |     reg2 ^= ck[10];  | 
616  | 0  |     reg3 ^= ck[11];  | 
617  |  | 
  | 
618  | 0  |     ARIA_SUBST_DIFF_ODD(reg0, reg1, reg2, reg3);  | 
619  |  | 
  | 
620  | 0  |     w3[0] = reg0 ^ w1[0];  | 
621  | 0  |     w3[1] = reg1 ^ w1[1];  | 
622  | 0  |     w3[2] = reg2 ^ w1[2];  | 
623  | 0  |     w3[3] = reg3 ^ w1[3];  | 
624  |  | 
  | 
625  | 0  |     ARIA_GSRK(rk, w0, w1, 19);  | 
626  | 0  |     rk++;  | 
627  | 0  |     ARIA_GSRK(rk, w1, w2, 19);  | 
628  | 0  |     rk++;  | 
629  | 0  |     ARIA_GSRK(rk, w2, w3, 19);  | 
630  | 0  |     rk++;  | 
631  | 0  |     ARIA_GSRK(rk, w3, w0, 19);  | 
632  |  | 
  | 
633  | 0  |     rk++;  | 
634  | 0  |     ARIA_GSRK(rk, w0, w1, 31);  | 
635  | 0  |     rk++;  | 
636  | 0  |     ARIA_GSRK(rk, w1, w2, 31);  | 
637  | 0  |     rk++;  | 
638  | 0  |     ARIA_GSRK(rk, w2, w3, 31);  | 
639  | 0  |     rk++;  | 
640  | 0  |     ARIA_GSRK(rk, w3, w0, 31);  | 
641  |  | 
  | 
642  | 0  |     rk++;  | 
643  | 0  |     ARIA_GSRK(rk, w0, w1, 67);  | 
644  | 0  |     rk++;  | 
645  | 0  |     ARIA_GSRK(rk, w1, w2, 67);  | 
646  | 0  |     rk++;  | 
647  | 0  |     ARIA_GSRK(rk, w2, w3, 67);  | 
648  | 0  |     rk++;  | 
649  | 0  |     ARIA_GSRK(rk, w3, w0, 67);  | 
650  |  | 
  | 
651  | 0  |     rk++;  | 
652  | 0  |     ARIA_GSRK(rk, w0, w1, 97);  | 
653  | 0  |     if (bits > 128) { | 
654  | 0  |         rk++;  | 
655  | 0  |         ARIA_GSRK(rk, w1, w2, 97);  | 
656  | 0  |         rk++;  | 
657  | 0  |         ARIA_GSRK(rk, w2, w3, 97);  | 
658  | 0  |     }  | 
659  | 0  |     if (bits > 192) { | 
660  | 0  |         rk++;  | 
661  | 0  |         ARIA_GSRK(rk, w3, w0, 97);  | 
662  |  | 
  | 
663  | 0  |         rk++;  | 
664  | 0  |         ARIA_GSRK(rk, w0, w1, 109);  | 
665  | 0  |     }  | 
666  |  | 
  | 
667  | 0  |     return 0;  | 
668  | 0  | }  | 
669  |  |  | 
670  |  | int aria_set_decrypt_key(const unsigned char *userKey, const int bits,  | 
671  |  |                          ARIA_KEY *key)  | 
672  | 0  | { | 
673  | 0  |     ARIA_u128 *rk_head;  | 
674  | 0  |     ARIA_u128 *rk_tail;  | 
675  | 0  |     register uint32_t w1, w2;  | 
676  | 0  |     register uint32_t reg0, reg1, reg2, reg3;  | 
677  | 0  |     uint32_t s0, s1, s2, s3;  | 
678  |  | 
  | 
679  | 0  |     const int r = aria_set_encrypt_key(userKey, bits, key);  | 
680  |  | 
  | 
681  | 0  |     if (r != 0) { | 
682  | 0  |         return r;  | 
683  | 0  |     }  | 
684  |  |  | 
685  | 0  |     rk_head = key->rd_key;  | 
686  | 0  |     rk_tail = rk_head + key->rounds;  | 
687  |  | 
  | 
688  | 0  |     reg0 = rk_head->u[0];  | 
689  | 0  |     reg1 = rk_head->u[1];  | 
690  | 0  |     reg2 = rk_head->u[2];  | 
691  | 0  |     reg3 = rk_head->u[3];  | 
692  |  | 
  | 
693  | 0  |     memcpy(rk_head, rk_tail, ARIA_BLOCK_SIZE);  | 
694  |  | 
  | 
695  | 0  |     rk_tail->u[0] = reg0;  | 
696  | 0  |     rk_tail->u[1] = reg1;  | 
697  | 0  |     rk_tail->u[2] = reg2;  | 
698  | 0  |     rk_tail->u[3] = reg3;  | 
699  |  | 
  | 
700  | 0  |     rk_head++;  | 
701  | 0  |     rk_tail--;  | 
702  |  | 
  | 
703  | 0  |     for (; rk_head < rk_tail; rk_head++, rk_tail--) { | 
704  | 0  |         ARIA_DEC_DIFF_BYTE(rk_head->u[0], reg0, w1, w2);  | 
705  | 0  |         ARIA_DEC_DIFF_BYTE(rk_head->u[1], reg1, w1, w2);  | 
706  | 0  |         ARIA_DEC_DIFF_BYTE(rk_head->u[2], reg2, w1, w2);  | 
707  | 0  |         ARIA_DEC_DIFF_BYTE(rk_head->u[3], reg3, w1, w2);  | 
708  |  | 
  | 
709  | 0  |         ARIA_DIFF_WORD(reg0, reg1, reg2, reg3);  | 
710  | 0  |         ARIA_DIFF_BYTE(reg0, reg1, reg2, reg3);  | 
711  | 0  |         ARIA_DIFF_WORD(reg0, reg1, reg2, reg3);  | 
712  |  | 
  | 
713  | 0  |         s0 = reg0;  | 
714  | 0  |         s1 = reg1;  | 
715  | 0  |         s2 = reg2;  | 
716  | 0  |         s3 = reg3;  | 
717  |  | 
  | 
718  | 0  |         ARIA_DEC_DIFF_BYTE(rk_tail->u[0], reg0, w1, w2);  | 
719  | 0  |         ARIA_DEC_DIFF_BYTE(rk_tail->u[1], reg1, w1, w2);  | 
720  | 0  |         ARIA_DEC_DIFF_BYTE(rk_tail->u[2], reg2, w1, w2);  | 
721  | 0  |         ARIA_DEC_DIFF_BYTE(rk_tail->u[3], reg3, w1, w2);  | 
722  |  | 
  | 
723  | 0  |         ARIA_DIFF_WORD(reg0, reg1, reg2, reg3);  | 
724  | 0  |         ARIA_DIFF_BYTE(reg0, reg1, reg2, reg3);  | 
725  | 0  |         ARIA_DIFF_WORD(reg0, reg1, reg2, reg3);  | 
726  |  | 
  | 
727  | 0  |         rk_head->u[0] = reg0;  | 
728  | 0  |         rk_head->u[1] = reg1;  | 
729  | 0  |         rk_head->u[2] = reg2;  | 
730  | 0  |         rk_head->u[3] = reg3;  | 
731  |  | 
  | 
732  | 0  |         rk_tail->u[0] = s0;  | 
733  | 0  |         rk_tail->u[1] = s1;  | 
734  | 0  |         rk_tail->u[2] = s2;  | 
735  | 0  |         rk_tail->u[3] = s3;  | 
736  | 0  |     }  | 
737  | 0  |     ARIA_DEC_DIFF_BYTE(rk_head->u[0], reg0, w1, w2);  | 
738  | 0  |     ARIA_DEC_DIFF_BYTE(rk_head->u[1], reg1, w1, w2);  | 
739  | 0  |     ARIA_DEC_DIFF_BYTE(rk_head->u[2], reg2, w1, w2);  | 
740  | 0  |     ARIA_DEC_DIFF_BYTE(rk_head->u[3], reg3, w1, w2);  | 
741  |  | 
  | 
742  | 0  |     ARIA_DIFF_WORD(reg0, reg1, reg2, reg3);  | 
743  | 0  |     ARIA_DIFF_BYTE(reg0, reg1, reg2, reg3);  | 
744  | 0  |     ARIA_DIFF_WORD(reg0, reg1, reg2, reg3);  | 
745  |  | 
  | 
746  | 0  |     rk_tail->u[0] = reg0;  | 
747  | 0  |     rk_tail->u[1] = reg1;  | 
748  | 0  |     rk_tail->u[2] = reg2;  | 
749  | 0  |     rk_tail->u[3] = reg3;  | 
750  |  | 
  | 
751  | 0  |     return 0;  | 
752  | 0  | }  | 
753  |  |  | 
754  |  | #else  | 
755  |  |  | 
756  |  | static const unsigned char sb1[256] = { | 
757  |  |     0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,  | 
758  |  |     0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,  | 
759  |  |     0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,  | 
760  |  |     0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,  | 
761  |  |     0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,  | 
762  |  |     0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,  | 
763  |  |     0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,  | 
764  |  |     0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,  | 
765  |  |     0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,  | 
766  |  |     0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,  | 
767  |  |     0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,  | 
768  |  |     0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,  | 
769  |  |     0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,  | 
770  |  |     0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,  | 
771  |  |     0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,  | 
772  |  |     0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,  | 
773  |  |     0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,  | 
774  |  |     0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,  | 
775  |  |     0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,  | 
776  |  |     0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,  | 
777  |  |     0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,  | 
778  |  |     0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,  | 
779  |  |     0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,  | 
780  |  |     0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,  | 
781  |  |     0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,  | 
782  |  |     0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,  | 
783  |  |     0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,  | 
784  |  |     0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,  | 
785  |  |     0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,  | 
786  |  |     0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,  | 
787  |  |     0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,  | 
788  |  |     0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16  | 
789  |  | };  | 
790  |  |  | 
791  |  | static const unsigned char sb2[256] = { | 
792  |  |     0xe2, 0x4e, 0x54, 0xfc, 0x94, 0xc2, 0x4a, 0xcc,  | 
793  |  |     0x62, 0x0d, 0x6a, 0x46, 0x3c, 0x4d, 0x8b, 0xd1,  | 
794  |  |     0x5e, 0xfa, 0x64, 0xcb, 0xb4, 0x97, 0xbe, 0x2b,  | 
795  |  |     0xbc, 0x77, 0x2e, 0x03, 0xd3, 0x19, 0x59, 0xc1,  | 
796  |  |     0x1d, 0x06, 0x41, 0x6b, 0x55, 0xf0, 0x99, 0x69,  | 
797  |  |     0xea, 0x9c, 0x18, 0xae, 0x63, 0xdf, 0xe7, 0xbb,  | 
798  |  |     0x00, 0x73, 0x66, 0xfb, 0x96, 0x4c, 0x85, 0xe4,  | 
799  |  |     0x3a, 0x09, 0x45, 0xaa, 0x0f, 0xee, 0x10, 0xeb,  | 
800  |  |     0x2d, 0x7f, 0xf4, 0x29, 0xac, 0xcf, 0xad, 0x91,  | 
801  |  |     0x8d, 0x78, 0xc8, 0x95, 0xf9, 0x2f, 0xce, 0xcd,  | 
802  |  |     0x08, 0x7a, 0x88, 0x38, 0x5c, 0x83, 0x2a, 0x28,  | 
803  |  |     0x47, 0xdb, 0xb8, 0xc7, 0x93, 0xa4, 0x12, 0x53,  | 
804  |  |     0xff, 0x87, 0x0e, 0x31, 0x36, 0x21, 0x58, 0x48,  | 
805  |  |     0x01, 0x8e, 0x37, 0x74, 0x32, 0xca, 0xe9, 0xb1,  | 
806  |  |     0xb7, 0xab, 0x0c, 0xd7, 0xc4, 0x56, 0x42, 0x26,  | 
807  |  |     0x07, 0x98, 0x60, 0xd9, 0xb6, 0xb9, 0x11, 0x40,  | 
808  |  |     0xec, 0x20, 0x8c, 0xbd, 0xa0, 0xc9, 0x84, 0x04,  | 
809  |  |     0x49, 0x23, 0xf1, 0x4f, 0x50, 0x1f, 0x13, 0xdc,  | 
810  |  |     0xd8, 0xc0, 0x9e, 0x57, 0xe3, 0xc3, 0x7b, 0x65,  | 
811  |  |     0x3b, 0x02, 0x8f, 0x3e, 0xe8, 0x25, 0x92, 0xe5,  | 
812  |  |     0x15, 0xdd, 0xfd, 0x17, 0xa9, 0xbf, 0xd4, 0x9a,  | 
813  |  |     0x7e, 0xc5, 0x39, 0x67, 0xfe, 0x76, 0x9d, 0x43,  | 
814  |  |     0xa7, 0xe1, 0xd0, 0xf5, 0x68, 0xf2, 0x1b, 0x34,  | 
815  |  |     0x70, 0x05, 0xa3, 0x8a, 0xd5, 0x79, 0x86, 0xa8,  | 
816  |  |     0x30, 0xc6, 0x51, 0x4b, 0x1e, 0xa6, 0x27, 0xf6,  | 
817  |  |     0x35, 0xd2, 0x6e, 0x24, 0x16, 0x82, 0x5f, 0xda,  | 
818  |  |     0xe6, 0x75, 0xa2, 0xef, 0x2c, 0xb2, 0x1c, 0x9f,  | 
819  |  |     0x5d, 0x6f, 0x80, 0x0a, 0x72, 0x44, 0x9b, 0x6c,  | 
820  |  |     0x90, 0x0b, 0x5b, 0x33, 0x7d, 0x5a, 0x52, 0xf3,  | 
821  |  |     0x61, 0xa1, 0xf7, 0xb0, 0xd6, 0x3f, 0x7c, 0x6d,  | 
822  |  |     0xed, 0x14, 0xe0, 0xa5, 0x3d, 0x22, 0xb3, 0xf8,  | 
823  |  |     0x89, 0xde, 0x71, 0x1a, 0xaf, 0xba, 0xb5, 0x81  | 
824  |  | };  | 
825  |  |  | 
826  |  | static const unsigned char sb3[256] = { | 
827  |  |     0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38,  | 
828  |  |     0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,  | 
829  |  |     0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87,  | 
830  |  |     0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,  | 
831  |  |     0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d,  | 
832  |  |     0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,  | 
833  |  |     0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2,  | 
834  |  |     0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,  | 
835  |  |     0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16,  | 
836  |  |     0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,  | 
837  |  |     0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda,  | 
838  |  |     0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,  | 
839  |  |     0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a,  | 
840  |  |     0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06,  | 
841  |  |     0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02,  | 
842  |  |     0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b,  | 
843  |  |     0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea,  | 
844  |  |     0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,  | 
845  |  |     0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85,  | 
846  |  |     0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,  | 
847  |  |     0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89,  | 
848  |  |     0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,  | 
849  |  |     0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20,  | 
850  |  |     0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,  | 
851  |  |     0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31,  | 
852  |  |     0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,  | 
853  |  |     0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d,  | 
854  |  |     0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,  | 
855  |  |     0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0,  | 
856  |  |     0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,  | 
857  |  |     0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26,  | 
858  |  |     0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d  | 
859  |  | };  | 
860  |  |  | 
861  |  | static const unsigned char sb4[256] = { | 
862  |  |     0x30, 0x68, 0x99, 0x1b, 0x87, 0xb9, 0x21, 0x78,  | 
863  |  |     0x50, 0x39, 0xdb, 0xe1, 0x72, 0x09, 0x62, 0x3c,  | 
864  |  |     0x3e, 0x7e, 0x5e, 0x8e, 0xf1, 0xa0, 0xcc, 0xa3,  | 
865  |  |     0x2a, 0x1d, 0xfb, 0xb6, 0xd6, 0x20, 0xc4, 0x8d,  | 
866  |  |     0x81, 0x65, 0xf5, 0x89, 0xcb, 0x9d, 0x77, 0xc6,  | 
867  |  |     0x57, 0x43, 0x56, 0x17, 0xd4, 0x40, 0x1a, 0x4d,  | 
868  |  |     0xc0, 0x63, 0x6c, 0xe3, 0xb7, 0xc8, 0x64, 0x6a,  | 
869  |  |     0x53, 0xaa, 0x38, 0x98, 0x0c, 0xf4, 0x9b, 0xed,  | 
870  |  |     0x7f, 0x22, 0x76, 0xaf, 0xdd, 0x3a, 0x0b, 0x58,  | 
871  |  |     0x67, 0x88, 0x06, 0xc3, 0x35, 0x0d, 0x01, 0x8b,  | 
872  |  |     0x8c, 0xc2, 0xe6, 0x5f, 0x02, 0x24, 0x75, 0x93,  | 
873  |  |     0x66, 0x1e, 0xe5, 0xe2, 0x54, 0xd8, 0x10, 0xce,  | 
874  |  |     0x7a, 0xe8, 0x08, 0x2c, 0x12, 0x97, 0x32, 0xab,  | 
875  |  |     0xb4, 0x27, 0x0a, 0x23, 0xdf, 0xef, 0xca, 0xd9,  | 
876  |  |     0xb8, 0xfa, 0xdc, 0x31, 0x6b, 0xd1, 0xad, 0x19,  | 
877  |  |     0x49, 0xbd, 0x51, 0x96, 0xee, 0xe4, 0xa8, 0x41,  | 
878  |  |     0xda, 0xff, 0xcd, 0x55, 0x86, 0x36, 0xbe, 0x61,  | 
879  |  |     0x52, 0xf8, 0xbb, 0x0e, 0x82, 0x48, 0x69, 0x9a,  | 
880  |  |     0xe0, 0x47, 0x9e, 0x5c, 0x04, 0x4b, 0x34, 0x15,  | 
881  |  |     0x79, 0x26, 0xa7, 0xde, 0x29, 0xae, 0x92, 0xd7,  | 
882  |  |     0x84, 0xe9, 0xd2, 0xba, 0x5d, 0xf3, 0xc5, 0xb0,  | 
883  |  |     0xbf, 0xa4, 0x3b, 0x71, 0x44, 0x46, 0x2b, 0xfc,  | 
884  |  |     0xeb, 0x6f, 0xd5, 0xf6, 0x14, 0xfe, 0x7c, 0x70,  | 
885  |  |     0x5a, 0x7d, 0xfd, 0x2f, 0x18, 0x83, 0x16, 0xa5,  | 
886  |  |     0x91, 0x1f, 0x05, 0x95, 0x74, 0xa9, 0xc1, 0x5b,  | 
887  |  |     0x4a, 0x85, 0x6d, 0x13, 0x07, 0x4f, 0x4e, 0x45,  | 
888  |  |     0xb2, 0x0f, 0xc9, 0x1c, 0xa6, 0xbc, 0xec, 0x73,  | 
889  |  |     0x90, 0x7b, 0xcf, 0x59, 0x8f, 0xa1, 0xf9, 0x2d,  | 
890  |  |     0xf2, 0xb1, 0x00, 0x94, 0x37, 0x9f, 0xd0, 0x2e,  | 
891  |  |     0x9c, 0x6e, 0x28, 0x3f, 0x80, 0xf0, 0x3d, 0xd3,  | 
892  |  |     0x25, 0x8a, 0xb5, 0xe7, 0x42, 0xb3, 0xc7, 0xea,  | 
893  |  |     0xf7, 0x4c, 0x11, 0x33, 0x03, 0xa2, 0xac, 0x60  | 
894  |  | };  | 
895  |  |  | 
896  |  | static const ARIA_u128 c1 = {{ | 
897  |  |     0x51, 0x7c, 0xc1, 0xb7, 0x27, 0x22, 0x0a, 0x94,  | 
898  |  |     0xfe, 0x13, 0xab, 0xe8, 0xfa, 0x9a, 0x6e, 0xe0  | 
899  |  | }};  | 
900  |  |  | 
901  |  | static const ARIA_u128 c2 = {{ | 
902  |  |     0x6d, 0xb1, 0x4a, 0xcc, 0x9e, 0x21, 0xc8, 0x20,  | 
903  |  |     0xff, 0x28, 0xb1, 0xd5, 0xef, 0x5d, 0xe2, 0xb0  | 
904  |  | }};  | 
905  |  |  | 
906  |  | static const ARIA_u128 c3 = {{ | 
907  |  |     0xdb, 0x92, 0x37, 0x1d, 0x21, 0x26, 0xe9, 0x70,  | 
908  |  |     0x03, 0x24, 0x97, 0x75, 0x04, 0xe8, 0xc9, 0x0e  | 
909  |  | }};  | 
910  |  |  | 
911  |  | /*  | 
912  |  |  * Exclusive or two 128 bit values into the result.  | 
913  |  |  * It is safe for the result to be the same as the either input.  | 
914  |  |  */  | 
915  |  | static void xor128(ARIA_c128 o, const ARIA_c128 x, const ARIA_u128 *y)  | 
916  |  | { | 
917  |  |     int i;  | 
918  |  |  | 
919  |  |     for (i = 0; i < ARIA_BLOCK_SIZE; i++)  | 
920  |  |         o[i] = x[i] ^ y->c[i];  | 
921  |  | }  | 
922  |  |  | 
923  |  | /*  | 
924  |  |  * Generalised circular rotate right and exclusive or function.  | 
925  |  |  * It is safe for the output to overlap either input.  | 
926  |  |  */  | 
927  |  | static ossl_inline void rotnr(unsigned int n, ARIA_u128 *o,  | 
928  |  |                               const ARIA_u128 *xor, const ARIA_u128 *z)  | 
929  |  | { | 
930  |  |     const unsigned int bytes = n / 8, bits = n % 8;  | 
931  |  |     unsigned int i;  | 
932  |  |     ARIA_u128 t;  | 
933  |  |  | 
934  |  |     for (i = 0; i < ARIA_BLOCK_SIZE; i++)  | 
935  |  |         t.c[(i + bytes) % ARIA_BLOCK_SIZE] = z->c[i];  | 
936  |  |     for (i = 0; i < ARIA_BLOCK_SIZE; i++)  | 
937  |  |         o->c[i] = ((t.c[i] >> bits) |  | 
938  |  |                 (t.c[i ? i - 1 : ARIA_BLOCK_SIZE - 1] << (8 - bits))) ^  | 
939  |  |                 xor->c[i];  | 
940  |  | }  | 
941  |  |  | 
942  |  | /*  | 
943  |  |  * Circular rotate 19 bits right and xor.  | 
944  |  |  * It is safe for the output to overlap either input.  | 
945  |  |  */  | 
946  |  | static void rot19r(ARIA_u128 *o, const ARIA_u128 *xor, const ARIA_u128 *z)  | 
947  |  | { | 
948  |  |     rotnr(19, o, xor, z);  | 
949  |  | }  | 
950  |  |  | 
951  |  | /*  | 
952  |  |  * Circular rotate 31 bits right and xor.  | 
953  |  |  * It is safe for the output to overlap either input.  | 
954  |  |  */  | 
955  |  | static void rot31r(ARIA_u128 *o, const ARIA_u128 *xor, const ARIA_u128 *z)  | 
956  |  | { | 
957  |  |     rotnr(31, o, xor, z);  | 
958  |  | }  | 
959  |  |  | 
960  |  | /*  | 
961  |  |  * Circular rotate 61 bits left and xor.  | 
962  |  |  * It is safe for the output to overlap either input.  | 
963  |  |  */  | 
964  |  | static void rot61l(ARIA_u128 *o, const ARIA_u128 *xor, const ARIA_u128 *z)  | 
965  |  | { | 
966  |  |     rotnr(8 * ARIA_BLOCK_SIZE - 61, o, xor, z);  | 
967  |  | }  | 
968  |  |  | 
969  |  | /*  | 
970  |  |  * Circular rotate 31 bits left and xor.  | 
971  |  |  * It is safe for the output to overlap either input.  | 
972  |  |  */  | 
973  |  | static void rot31l(ARIA_u128 *o, const ARIA_u128 *xor, const ARIA_u128 *z)  | 
974  |  | { | 
975  |  |     rotnr(8 * ARIA_BLOCK_SIZE - 31, o, xor, z);  | 
976  |  | }  | 
977  |  |  | 
978  |  | /*  | 
979  |  |  * Circular rotate 19 bits left and xor.  | 
980  |  |  * It is safe for the output to overlap either input.  | 
981  |  |  */  | 
982  |  | static void rot19l(ARIA_u128 *o, const ARIA_u128 *xor, const ARIA_u128 *z)  | 
983  |  | { | 
984  |  |     rotnr(8 * ARIA_BLOCK_SIZE - 19, o, xor, z);  | 
985  |  | }  | 
986  |  |  | 
987  |  | /*  | 
988  |  |  * First substitution and xor layer, used for odd steps.  | 
989  |  |  * It is safe for the input and output to be the same.  | 
990  |  |  */  | 
991  |  | static void sl1(ARIA_u128 *o, const ARIA_u128 *x, const ARIA_u128 *y)  | 
992  |  | { | 
993  |  |     unsigned int i;  | 
994  |  |     for (i = 0; i < ARIA_BLOCK_SIZE; i += 4) { | 
995  |  |         o->c[i    ] = sb1[x->c[i    ] ^ y->c[i    ]];  | 
996  |  |         o->c[i + 1] = sb2[x->c[i + 1] ^ y->c[i + 1]];  | 
997  |  |         o->c[i + 2] = sb3[x->c[i + 2] ^ y->c[i + 2]];  | 
998  |  |         o->c[i + 3] = sb4[x->c[i + 3] ^ y->c[i + 3]];  | 
999  |  |     }  | 
1000  |  | }  | 
1001  |  |  | 
1002  |  | /*  | 
1003  |  |  * Second substitution and xor layer, used for even steps.  | 
1004  |  |  * It is safe for the input and output to be the same.  | 
1005  |  |  */  | 
1006  |  | static void sl2(ARIA_c128 o, const ARIA_u128 *x, const ARIA_u128 *y)  | 
1007  |  | { | 
1008  |  |     unsigned int i;  | 
1009  |  |     for (i = 0; i < ARIA_BLOCK_SIZE; i += 4) { | 
1010  |  |         o[i    ] = sb3[x->c[i    ] ^ y->c[i    ]];  | 
1011  |  |         o[i + 1] = sb4[x->c[i + 1] ^ y->c[i + 1]];  | 
1012  |  |         o[i + 2] = sb1[x->c[i + 2] ^ y->c[i + 2]];  | 
1013  |  |         o[i + 3] = sb2[x->c[i + 3] ^ y->c[i + 3]];  | 
1014  |  |     }  | 
1015  |  | }  | 
1016  |  |  | 
1017  |  | /*  | 
1018  |  |  * Diffusion layer step  | 
1019  |  |  * It is NOT safe for the input and output to overlap.  | 
1020  |  |  */  | 
1021  |  | static void a(ARIA_u128 *y, const ARIA_u128 *x)  | 
1022  |  | { | 
1023  |  |     y->c[ 0] = x->c[ 3] ^ x->c[ 4] ^ x->c[ 6] ^ x->c[ 8] ^  | 
1024  |  |                x->c[ 9] ^ x->c[13] ^ x->c[14];  | 
1025  |  |     y->c[ 1] = x->c[ 2] ^ x->c[ 5] ^ x->c[ 7] ^ x->c[ 8] ^  | 
1026  |  |                x->c[ 9] ^ x->c[12] ^ x->c[15];  | 
1027  |  |     y->c[ 2] = x->c[ 1] ^ x->c[ 4] ^ x->c[ 6] ^ x->c[10] ^  | 
1028  |  |                x->c[11] ^ x->c[12] ^ x->c[15];  | 
1029  |  |     y->c[ 3] = x->c[ 0] ^ x->c[ 5] ^ x->c[ 7] ^ x->c[10] ^  | 
1030  |  |                x->c[11] ^ x->c[13] ^ x->c[14];  | 
1031  |  |     y->c[ 4] = x->c[ 0] ^ x->c[ 2] ^ x->c[ 5] ^ x->c[ 8] ^  | 
1032  |  |                x->c[11] ^ x->c[14] ^ x->c[15];  | 
1033  |  |     y->c[ 5] = x->c[ 1] ^ x->c[ 3] ^ x->c[ 4] ^ x->c[ 9] ^  | 
1034  |  |                x->c[10] ^ x->c[14] ^ x->c[15];  | 
1035  |  |     y->c[ 6] = x->c[ 0] ^ x->c[ 2] ^ x->c[ 7] ^ x->c[ 9] ^  | 
1036  |  |                x->c[10] ^ x->c[12] ^ x->c[13];  | 
1037  |  |     y->c[ 7] = x->c[ 1] ^ x->c[ 3] ^ x->c[ 6] ^ x->c[ 8] ^  | 
1038  |  |                x->c[11] ^ x->c[12] ^ x->c[13];  | 
1039  |  |     y->c[ 8] = x->c[ 0] ^ x->c[ 1] ^ x->c[ 4] ^ x->c[ 7] ^  | 
1040  |  |                x->c[10] ^ x->c[13] ^ x->c[15];  | 
1041  |  |     y->c[ 9] = x->c[ 0] ^ x->c[ 1] ^ x->c[ 5] ^ x->c[ 6] ^  | 
1042  |  |                x->c[11] ^ x->c[12] ^ x->c[14];  | 
1043  |  |     y->c[10] = x->c[ 2] ^ x->c[ 3] ^ x->c[ 5] ^ x->c[ 6] ^  | 
1044  |  |                x->c[ 8] ^ x->c[13] ^ x->c[15];  | 
1045  |  |     y->c[11] = x->c[ 2] ^ x->c[ 3] ^ x->c[ 4] ^ x->c[ 7] ^  | 
1046  |  |                x->c[ 9] ^ x->c[12] ^ x->c[14];  | 
1047  |  |     y->c[12] = x->c[ 1] ^ x->c[ 2] ^ x->c[ 6] ^ x->c[ 7] ^  | 
1048  |  |                x->c[ 9] ^ x->c[11] ^ x->c[12];  | 
1049  |  |     y->c[13] = x->c[ 0] ^ x->c[ 3] ^ x->c[ 6] ^ x->c[ 7] ^  | 
1050  |  |                x->c[ 8] ^ x->c[10] ^ x->c[13];  | 
1051  |  |     y->c[14] = x->c[ 0] ^ x->c[ 3] ^ x->c[ 4] ^ x->c[ 5] ^  | 
1052  |  |                x->c[ 9] ^ x->c[11] ^ x->c[14];  | 
1053  |  |     y->c[15] = x->c[ 1] ^ x->c[ 2] ^ x->c[ 4] ^ x->c[ 5] ^  | 
1054  |  |                x->c[ 8] ^ x->c[10] ^ x->c[15];  | 
1055  |  | }  | 
1056  |  |  | 
1057  |  | /*  | 
1058  |  |  * Odd round function  | 
1059  |  |  * Apply the first substitution layer and then a diffusion step.  | 
1060  |  |  * It is safe for the input and output to overlap.  | 
1061  |  |  */  | 
1062  |  | static ossl_inline void FO(ARIA_u128 *o, const ARIA_u128 *d,  | 
1063  |  |                            const ARIA_u128 *rk)  | 
1064  |  | { | 
1065  |  |     ARIA_u128 y;  | 
1066  |  |  | 
1067  |  |     sl1(&y, d, rk);  | 
1068  |  |     a(o, &y);  | 
1069  |  | }  | 
1070  |  |  | 
1071  |  | /*  | 
1072  |  |  * Even round function  | 
1073  |  |  * Apply the second substitution layer and then a diffusion step.  | 
1074  |  |  * It is safe for the input and output to overlap.  | 
1075  |  |  */  | 
1076  |  | static ossl_inline void FE(ARIA_u128 *o, const ARIA_u128 *d,  | 
1077  |  |                            const ARIA_u128 *rk)  | 
1078  |  | { | 
1079  |  |     ARIA_u128 y;  | 
1080  |  |  | 
1081  |  |     sl2(y.c, d, rk);  | 
1082  |  |     a(o, &y);  | 
1083  |  | }  | 
1084  |  |  | 
1085  |  | /*  | 
1086  |  |  * Encrypt or decrypt a single block  | 
1087  |  |  * in and out can overlap  | 
1088  |  |  */  | 
1089  |  | static void do_encrypt(unsigned char *o, const unsigned char *pin,  | 
1090  |  |                        unsigned int rounds, const ARIA_u128 *keys)  | 
1091  |  | { | 
1092  |  |     ARIA_u128 p;  | 
1093  |  |     unsigned int i;  | 
1094  |  |  | 
1095  |  |     memcpy(&p, pin, sizeof(p));  | 
1096  |  |     for (i = 0; i < rounds - 2; i += 2) { | 
1097  |  |         FO(&p, &p, &keys[i]);  | 
1098  |  |         FE(&p, &p, &keys[i + 1]);  | 
1099  |  |     }  | 
1100  |  |     FO(&p, &p, &keys[rounds - 2]);  | 
1101  |  |     sl2(o, &p, &keys[rounds - 1]);  | 
1102  |  |     xor128(o, o, &keys[rounds]);  | 
1103  |  | }  | 
1104  |  |  | 
1105  |  | /*  | 
1106  |  |  * Encrypt a single block  | 
1107  |  |  * in and out can overlap  | 
1108  |  |  */  | 
1109  |  | void aria_encrypt(const unsigned char *in, unsigned char *out,  | 
1110  |  |                   const ARIA_KEY *key)  | 
1111  |  | { | 
1112  |  |     assert(in != NULL && out != NULL && key != NULL);  | 
1113  |  |     do_encrypt(out, in, key->rounds, key->rd_key);  | 
1114  |  | }  | 
1115  |  |  | 
1116  |  |  | 
1117  |  | /*  | 
1118  |  |  * Expand the cipher key into the encryption key schedule.  | 
1119  |  |  * We short circuit execution of the last two  | 
1120  |  |  * or four rotations based on the key size.  | 
1121  |  |  */  | 
1122  |  | int aria_set_encrypt_key(const unsigned char *userKey, const int bits,  | 
1123  |  |                          ARIA_KEY *key)  | 
1124  |  | { | 
1125  |  |     const ARIA_u128 *ck1, *ck2, *ck3;  | 
1126  |  |     ARIA_u128 kr, w0, w1, w2, w3;  | 
1127  |  |  | 
1128  |  |     if (!userKey || !key)  | 
1129  |  |         return -1;  | 
1130  |  |     memcpy(w0.c, userKey, sizeof(w0));  | 
1131  |  |     switch (bits) { | 
1132  |  |     default:  | 
1133  |  |         return -2;  | 
1134  |  |     case 128:  | 
1135  |  |         key->rounds = 12;  | 
1136  |  |         ck1 = &c1;  | 
1137  |  |         ck2 = &c2;  | 
1138  |  |         ck3 = &c3;  | 
1139  |  |         memset(kr.c, 0, sizeof(kr));  | 
1140  |  |         break;  | 
1141  |  |  | 
1142  |  |     case 192:  | 
1143  |  |         key->rounds = 14;  | 
1144  |  |         ck1 = &c2;  | 
1145  |  |         ck2 = &c3;  | 
1146  |  |         ck3 = &c1;  | 
1147  |  |         memcpy(kr.c, userKey + ARIA_BLOCK_SIZE, sizeof(kr) / 2);  | 
1148  |  |         memset(kr.c + ARIA_BLOCK_SIZE / 2, 0, sizeof(kr) / 2);  | 
1149  |  |         break;  | 
1150  |  |  | 
1151  |  |     case 256:  | 
1152  |  |         key->rounds = 16;  | 
1153  |  |         ck1 = &c3;  | 
1154  |  |         ck2 = &c1;  | 
1155  |  |         ck3 = &c2;  | 
1156  |  |         memcpy(kr.c, userKey + ARIA_BLOCK_SIZE, sizeof(kr));  | 
1157  |  |         break;  | 
1158  |  |     }  | 
1159  |  |  | 
1160  |  |     FO(&w3, &w0, ck1);    xor128(w1.c, w3.c, &kr);  | 
1161  |  |     FE(&w3, &w1, ck2);    xor128(w2.c, w3.c, &w0);  | 
1162  |  |     FO(&kr, &w2, ck3);    xor128(w3.c, kr.c, &w1);  | 
1163  |  |  | 
1164  |  |     rot19r(&key->rd_key[ 0], &w0, &w1);  | 
1165  |  |     rot19r(&key->rd_key[ 1], &w1, &w2);  | 
1166  |  |     rot19r(&key->rd_key[ 2], &w2, &w3);  | 
1167  |  |     rot19r(&key->rd_key[ 3], &w3, &w0);  | 
1168  |  |  | 
1169  |  |     rot31r(&key->rd_key[ 4], &w0, &w1);  | 
1170  |  |     rot31r(&key->rd_key[ 5], &w1, &w2);  | 
1171  |  |     rot31r(&key->rd_key[ 6], &w2, &w3);  | 
1172  |  |     rot31r(&key->rd_key[ 7], &w3, &w0);  | 
1173  |  |  | 
1174  |  |     rot61l(&key->rd_key[ 8], &w0, &w1);  | 
1175  |  |     rot61l(&key->rd_key[ 9], &w1, &w2);  | 
1176  |  |     rot61l(&key->rd_key[10], &w2, &w3);  | 
1177  |  |     rot61l(&key->rd_key[11], &w3, &w0);  | 
1178  |  |  | 
1179  |  |     rot31l(&key->rd_key[12], &w0, &w1);  | 
1180  |  |     if (key->rounds > 12) { | 
1181  |  |         rot31l(&key->rd_key[13], &w1, &w2);  | 
1182  |  |         rot31l(&key->rd_key[14], &w2, &w3);  | 
1183  |  |  | 
1184  |  |         if (key->rounds > 14) { | 
1185  |  |             rot31l(&key->rd_key[15], &w3, &w0);  | 
1186  |  |             rot19l(&key->rd_key[16], &w0, &w1);  | 
1187  |  |         }  | 
1188  |  |     }  | 
1189  |  |     return 0;  | 
1190  |  | }  | 
1191  |  |  | 
1192  |  | /*  | 
1193  |  |  * Expand the cipher key into the decryption key schedule.  | 
1194  |  |  */  | 
1195  |  | int aria_set_decrypt_key(const unsigned char *userKey, const int bits,  | 
1196  |  |                          ARIA_KEY *key)  | 
1197  |  | { | 
1198  |  |     ARIA_KEY ek;  | 
1199  |  |     const int r = aria_set_encrypt_key(userKey, bits, &ek);  | 
1200  |  |     unsigned int i, rounds = ek.rounds;  | 
1201  |  |  | 
1202  |  |     if (r == 0) { | 
1203  |  |         key->rounds = rounds;  | 
1204  |  |         memcpy(&key->rd_key[0], &ek.rd_key[rounds], sizeof(key->rd_key[0]));  | 
1205  |  |         for (i = 1; i < rounds; i++)  | 
1206  |  |             a(&key->rd_key[i], &ek.rd_key[rounds - i]);  | 
1207  |  |         memcpy(&key->rd_key[rounds], &ek.rd_key[0], sizeof(key->rd_key[rounds]));  | 
1208  |  |     }  | 
1209  |  |     return r;  | 
1210  |  | }  | 
1211  |  |  | 
1212  |  | #endif  |