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 | #define rotr32(v, r) (((uint32_t)(v) >> (r)) | ((uint32_t)(v) << (32 - r))) |
34 | |
35 | #define bswap32(v) \ |
36 | (((v) << 24) ^ ((v) >> 24) ^ \ |
37 | (((v) & 0x0000ff00) << 8) ^ (((v) & 0x00ff0000) >> 8)) |
38 | |
39 | #define GET_U8_BE(X, Y) ((uint8_t)((X) >> ((3 - Y) * 8))) |
40 | #define GET_U32_BE(X, Y) ( \ |
41 | ((uint32_t)((const uint8_t *)(X))[Y * 4 ] << 24) ^ \ |
42 | ((uint32_t)((const uint8_t *)(X))[Y * 4 + 1] << 16) ^ \ |
43 | ((uint32_t)((const uint8_t *)(X))[Y * 4 + 2] << 8) ^ \ |
44 | ((uint32_t)((const uint8_t *)(X))[Y * 4 + 3] ) ) |
45 | |
46 | #define PUT_U32_BE(DEST, IDX, VAL) \ |
47 | do { \ |
48 | ((uint8_t *)(DEST))[IDX * 4 ] = GET_U8_BE(VAL, 0); \ |
49 | ((uint8_t *)(DEST))[IDX * 4 + 1] = GET_U8_BE(VAL, 1); \ |
50 | ((uint8_t *)(DEST))[IDX * 4 + 2] = GET_U8_BE(VAL, 2); \ |
51 | ((uint8_t *)(DEST))[IDX * 4 + 3] = GET_U8_BE(VAL, 3); \ |
52 | } while(0) |
53 | |
54 | #define MAKE_U32(V0, V1, V2, V3) ( \ |
55 | ((uint32_t)((uint8_t)(V0)) << 24) | \ |
56 | ((uint32_t)((uint8_t)(V1)) << 16) | \ |
57 | ((uint32_t)((uint8_t)(V2)) << 8) | \ |
58 | ((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 | do { \ |
347 | (T0) ^= (RK)->u[0]; \ |
348 | (T1) ^= (RK)->u[1]; \ |
349 | (T2) ^= (RK)->u[2]; \ |
350 | (T3) ^= (RK)->u[3]; \ |
351 | } while(0) |
352 | |
353 | /* S-Box Layer 1 + M */ |
354 | #define ARIA_SBOX_LAYER1_WITH_PRE_DIFF(T0, T1, T2, T3) \ |
355 | do { \ |
356 | (T0) = \ |
357 | S1[GET_U8_BE(T0, 0)] ^ \ |
358 | S2[GET_U8_BE(T0, 1)] ^ \ |
359 | X1[GET_U8_BE(T0, 2)] ^ \ |
360 | X2[GET_U8_BE(T0, 3)]; \ |
361 | (T1) = \ |
362 | S1[GET_U8_BE(T1, 0)] ^ \ |
363 | S2[GET_U8_BE(T1, 1)] ^ \ |
364 | X1[GET_U8_BE(T1, 2)] ^ \ |
365 | X2[GET_U8_BE(T1, 3)]; \ |
366 | (T2) = \ |
367 | S1[GET_U8_BE(T2, 0)] ^ \ |
368 | S2[GET_U8_BE(T2, 1)] ^ \ |
369 | X1[GET_U8_BE(T2, 2)] ^ \ |
370 | X2[GET_U8_BE(T2, 3)]; \ |
371 | (T3) = \ |
372 | S1[GET_U8_BE(T3, 0)] ^ \ |
373 | S2[GET_U8_BE(T3, 1)] ^ \ |
374 | X1[GET_U8_BE(T3, 2)] ^ \ |
375 | X2[GET_U8_BE(T3, 3)]; \ |
376 | } while(0) |
377 | |
378 | /* S-Box Layer 2 + M */ |
379 | #define ARIA_SBOX_LAYER2_WITH_PRE_DIFF(T0, T1, T2, T3) \ |
380 | do { \ |
381 | (T0) = \ |
382 | X1[GET_U8_BE(T0, 0)] ^ \ |
383 | X2[GET_U8_BE(T0, 1)] ^ \ |
384 | S1[GET_U8_BE(T0, 2)] ^ \ |
385 | S2[GET_U8_BE(T0, 3)]; \ |
386 | (T1) = \ |
387 | X1[GET_U8_BE(T1, 0)] ^ \ |
388 | X2[GET_U8_BE(T1, 1)] ^ \ |
389 | S1[GET_U8_BE(T1, 2)] ^ \ |
390 | S2[GET_U8_BE(T1, 3)]; \ |
391 | (T2) = \ |
392 | X1[GET_U8_BE(T2, 0)] ^ \ |
393 | X2[GET_U8_BE(T2, 1)] ^ \ |
394 | S1[GET_U8_BE(T2, 2)] ^ \ |
395 | S2[GET_U8_BE(T2, 3)]; \ |
396 | (T3) = \ |
397 | X1[GET_U8_BE(T3, 0)] ^ \ |
398 | X2[GET_U8_BE(T3, 1)] ^ \ |
399 | S1[GET_U8_BE(T3, 2)] ^ \ |
400 | S2[GET_U8_BE(T3, 3)]; \ |
401 | } while(0) |
402 | |
403 | /* Word-level diffusion */ |
404 | #define ARIA_DIFF_WORD(T0,T1,T2,T3) \ |
405 | do { \ |
406 | (T1) ^= (T2); \ |
407 | (T2) ^= (T3); \ |
408 | (T0) ^= (T1); \ |
409 | \ |
410 | (T3) ^= (T1); \ |
411 | (T2) ^= (T0); \ |
412 | (T1) ^= (T2); \ |
413 | } while(0) |
414 | |
415 | /* Byte-level diffusion */ |
416 | #define ARIA_DIFF_BYTE(T0, T1, T2, T3) \ |
417 | do { \ |
418 | (T1) = (((T1) << 8) & 0xff00ff00) ^ (((T1) >> 8) & 0x00ff00ff); \ |
419 | (T2) = rotr32(T2, 16); \ |
420 | (T3) = bswap32(T3); \ |
421 | } while(0) |
422 | |
423 | /* Odd round Substitution & Diffusion */ |
424 | #define ARIA_SUBST_DIFF_ODD(T0, T1, T2, T3) \ |
425 | do { \ |
426 | ARIA_SBOX_LAYER1_WITH_PRE_DIFF(T0, T1, T2, T3); \ |
427 | ARIA_DIFF_WORD(T0, T1, T2, T3); \ |
428 | ARIA_DIFF_BYTE(T0, T1, T2, T3); \ |
429 | ARIA_DIFF_WORD(T0, T1, T2, T3); \ |
430 | } while(0) |
431 | |
432 | /* Even round Substitution & Diffusion */ |
433 | #define ARIA_SUBST_DIFF_EVEN(T0, T1, T2, T3) \ |
434 | do { \ |
435 | ARIA_SBOX_LAYER2_WITH_PRE_DIFF(T0, T1, T2, T3); \ |
436 | ARIA_DIFF_WORD(T0, T1, T2, T3); \ |
437 | ARIA_DIFF_BYTE(T2, T3, T0, T1); \ |
438 | ARIA_DIFF_WORD(T0, T1, T2, T3); \ |
439 | } while(0) |
440 | |
441 | /* Q, R Macro expanded ARIA GSRK */ |
442 | #define _ARIA_GSRK(RK, X, Y, Q, R) \ |
443 | do { \ |
444 | (RK)->u[0] = \ |
445 | ((X)[0]) ^ \ |
446 | (((Y)[((Q) ) % 4]) >> (R)) ^ \ |
447 | (((Y)[((Q) + 3) % 4]) << (32 - (R))); \ |
448 | (RK)->u[1] = \ |
449 | ((X)[1]) ^ \ |
450 | (((Y)[((Q) + 1) % 4]) >> (R)) ^ \ |
451 | (((Y)[((Q) ) % 4]) << (32 - (R))); \ |
452 | (RK)->u[2] = \ |
453 | ((X)[2]) ^ \ |
454 | (((Y)[((Q) + 2) % 4]) >> (R)) ^ \ |
455 | (((Y)[((Q) + 1) % 4]) << (32 - (R))); \ |
456 | (RK)->u[3] = \ |
457 | ((X)[3]) ^ \ |
458 | (((Y)[((Q) + 3) % 4]) >> (R)) ^ \ |
459 | (((Y)[((Q) + 2) % 4]) << (32 - (R))); \ |
460 | } while(0) |
461 | |
462 | #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 | do { \ |
466 | (TMP) = (X); \ |
467 | (TMP2) = rotr32((TMP), 8); \ |
468 | (Y) = (TMP2) ^ rotr32((TMP) ^ (TMP2), 16); \ |
469 | } while(0) |
470 | |
471 | void aria_encrypt(const unsigned char *in, unsigned char *out, |
472 | const ARIA_KEY *key) |
473 | { |
474 | register uint32_t reg0, reg1, reg2, reg3; |
475 | int Nr; |
476 | const ARIA_u128 *rk; |
477 | |
478 | if (in == NULL || out == NULL || key == NULL) { |
479 | return; |
480 | } |
481 | |
482 | rk = key->rd_key; |
483 | Nr = key->rounds; |
484 | |
485 | if (Nr != 12 && Nr != 14 && Nr != 16) { |
486 | return; |
487 | } |
488 | |
489 | reg0 = GET_U32_BE(in, 0); |
490 | reg1 = GET_U32_BE(in, 1); |
491 | reg2 = GET_U32_BE(in, 2); |
492 | reg3 = GET_U32_BE(in, 3); |
493 | |
494 | ARIA_ADD_ROUND_KEY(rk, reg0, reg1, reg2, reg3); |
495 | rk++; |
496 | |
497 | ARIA_SUBST_DIFF_ODD(reg0, reg1, reg2, reg3); |
498 | ARIA_ADD_ROUND_KEY(rk, reg0, reg1, reg2, reg3); |
499 | rk++; |
500 | |
501 | while(Nr -= 2){ |
502 | ARIA_SUBST_DIFF_EVEN(reg0, reg1, reg2, reg3); |
503 | ARIA_ADD_ROUND_KEY(rk, reg0, reg1, reg2, reg3); |
504 | rk++; |
505 | |
506 | ARIA_SUBST_DIFF_ODD(reg0, reg1, reg2, reg3); |
507 | ARIA_ADD_ROUND_KEY(rk, reg0, reg1, reg2, reg3); |
508 | rk++; |
509 | } |
510 | |
511 | reg0 = rk->u[0] ^ MAKE_U32( |
512 | (uint8_t)(X1[GET_U8_BE(reg0, 0)] ), |
513 | (uint8_t)(X2[GET_U8_BE(reg0, 1)] >> 8), |
514 | (uint8_t)(S1[GET_U8_BE(reg0, 2)] ), |
515 | (uint8_t)(S2[GET_U8_BE(reg0, 3)] )); |
516 | reg1 = rk->u[1] ^ MAKE_U32( |
517 | (uint8_t)(X1[GET_U8_BE(reg1, 0)] ), |
518 | (uint8_t)(X2[GET_U8_BE(reg1, 1)] >> 8), |
519 | (uint8_t)(S1[GET_U8_BE(reg1, 2)] ), |
520 | (uint8_t)(S2[GET_U8_BE(reg1, 3)] )); |
521 | reg2 = rk->u[2] ^ MAKE_U32( |
522 | (uint8_t)(X1[GET_U8_BE(reg2, 0)] ), |
523 | (uint8_t)(X2[GET_U8_BE(reg2, 1)] >> 8), |
524 | (uint8_t)(S1[GET_U8_BE(reg2, 2)] ), |
525 | (uint8_t)(S2[GET_U8_BE(reg2, 3)] )); |
526 | reg3 = rk->u[3] ^ MAKE_U32( |
527 | (uint8_t)(X1[GET_U8_BE(reg3, 0)] ), |
528 | (uint8_t)(X2[GET_U8_BE(reg3, 1)] >> 8), |
529 | (uint8_t)(S1[GET_U8_BE(reg3, 2)] ), |
530 | (uint8_t)(S2[GET_U8_BE(reg3, 3)] )); |
531 | |
532 | PUT_U32_BE(out, 0, reg0); |
533 | PUT_U32_BE(out, 1, reg1); |
534 | PUT_U32_BE(out, 2, reg2); |
535 | PUT_U32_BE(out, 3, reg3); |
536 | } |
537 | |
538 | int aria_set_encrypt_key(const unsigned char *userKey, const int bits, |
539 | ARIA_KEY *key) |
540 | { |
541 | register uint32_t reg0, reg1, reg2, reg3; |
542 | uint32_t w0[4], w1[4], w2[4], w3[4]; |
543 | const uint32_t *ck; |
544 | |
545 | ARIA_u128 *rk; |
546 | int Nr = (bits + 256) / 32; |
547 | |
548 | if (userKey == NULL || key == NULL) { |
549 | return -1; |
550 | } |
551 | if (bits != 128 && bits != 192 && bits != 256) { |
552 | return -2; |
553 | } |
554 | |
555 | rk = key->rd_key; |
556 | key->rounds = Nr; |
557 | ck = &Key_RC[(bits - 128) / 64][0]; |
558 | |
559 | w0[0] = GET_U32_BE(userKey, 0); |
560 | w0[1] = GET_U32_BE(userKey, 1); |
561 | w0[2] = GET_U32_BE(userKey, 2); |
562 | w0[3] = GET_U32_BE(userKey, 3); |
563 | |
564 | reg0 = w0[0] ^ ck[0]; |
565 | reg1 = w0[1] ^ ck[1]; |
566 | reg2 = w0[2] ^ ck[2]; |
567 | reg3 = w0[3] ^ ck[3]; |
568 | |
569 | ARIA_SUBST_DIFF_ODD(reg0, reg1, reg2, reg3); |
570 | |
571 | if (bits > 128) { |
572 | w1[0] = GET_U32_BE(userKey, 4); |
573 | w1[1] = GET_U32_BE(userKey, 5); |
574 | if (bits > 192) { |
575 | w1[2] = GET_U32_BE(userKey, 6); |
576 | w1[3] = GET_U32_BE(userKey, 7); |
577 | } |
578 | else { |
579 | w1[2] = w1[3] = 0; |
580 | } |
581 | } |
582 | else { |
583 | w1[0] = w1[1] = w1[2] = w1[3] = 0; |
584 | } |
585 | |
586 | w1[0] ^= reg0; |
587 | w1[1] ^= reg1; |
588 | w1[2] ^= reg2; |
589 | w1[3] ^= reg3; |
590 | |
591 | reg0 = w1[0]; |
592 | reg1 = w1[1]; |
593 | reg2 = w1[2]; |
594 | reg3 = w1[3]; |
595 | |
596 | reg0 ^= ck[4]; |
597 | reg1 ^= ck[5]; |
598 | reg2 ^= ck[6]; |
599 | reg3 ^= ck[7]; |
600 | |
601 | ARIA_SUBST_DIFF_EVEN(reg0, reg1, reg2, reg3); |
602 | |
603 | reg0 ^= w0[0]; |
604 | reg1 ^= w0[1]; |
605 | reg2 ^= w0[2]; |
606 | reg3 ^= w0[3]; |
607 | |
608 | w2[0] = reg0; |
609 | w2[1] = reg1; |
610 | w2[2] = reg2; |
611 | w2[3] = reg3; |
612 | |
613 | reg0 ^= ck[8]; |
614 | reg1 ^= ck[9]; |
615 | reg2 ^= ck[10]; |
616 | reg3 ^= ck[11]; |
617 | |
618 | ARIA_SUBST_DIFF_ODD(reg0, reg1, reg2, reg3); |
619 | |
620 | w3[0] = reg0 ^ w1[0]; |
621 | w3[1] = reg1 ^ w1[1]; |
622 | w3[2] = reg2 ^ w1[2]; |
623 | w3[3] = reg3 ^ w1[3]; |
624 | |
625 | ARIA_GSRK(rk, w0, w1, 19); |
626 | rk++; |
627 | ARIA_GSRK(rk, w1, w2, 19); |
628 | rk++; |
629 | ARIA_GSRK(rk, w2, w3, 19); |
630 | rk++; |
631 | ARIA_GSRK(rk, w3, w0, 19); |
632 | |
633 | rk++; |
634 | ARIA_GSRK(rk, w0, w1, 31); |
635 | rk++; |
636 | ARIA_GSRK(rk, w1, w2, 31); |
637 | rk++; |
638 | ARIA_GSRK(rk, w2, w3, 31); |
639 | rk++; |
640 | ARIA_GSRK(rk, w3, w0, 31); |
641 | |
642 | rk++; |
643 | ARIA_GSRK(rk, w0, w1, 67); |
644 | rk++; |
645 | ARIA_GSRK(rk, w1, w2, 67); |
646 | rk++; |
647 | ARIA_GSRK(rk, w2, w3, 67); |
648 | rk++; |
649 | ARIA_GSRK(rk, w3, w0, 67); |
650 | |
651 | rk++; |
652 | ARIA_GSRK(rk, w0, w1, 97); |
653 | if (bits > 128) { |
654 | rk++; |
655 | ARIA_GSRK(rk, w1, w2, 97); |
656 | rk++; |
657 | ARIA_GSRK(rk, w2, w3, 97); |
658 | } |
659 | if (bits > 192) { |
660 | rk++; |
661 | ARIA_GSRK(rk, w3, w0, 97); |
662 | |
663 | rk++; |
664 | ARIA_GSRK(rk, w0, w1, 109); |
665 | } |
666 | |
667 | return 0; |
668 | } |
669 | |
670 | int aria_set_decrypt_key(const unsigned char *userKey, const int bits, |
671 | ARIA_KEY *key) |
672 | { |
673 | ARIA_u128 *rk_head; |
674 | ARIA_u128 *rk_tail; |
675 | register uint32_t w1, w2; |
676 | register uint32_t reg0, reg1, reg2, reg3; |
677 | uint32_t s0, s1, s2, s3; |
678 | |
679 | const int r = aria_set_encrypt_key(userKey, bits, key); |
680 | |
681 | if (r != 0) { |
682 | return r; |
683 | } |
684 | |
685 | rk_head = key->rd_key; |
686 | rk_tail = rk_head + key->rounds; |
687 | |
688 | reg0 = rk_head->u[0]; |
689 | reg1 = rk_head->u[1]; |
690 | reg2 = rk_head->u[2]; |
691 | reg3 = rk_head->u[3]; |
692 | |
693 | memcpy(rk_head, rk_tail, ARIA_BLOCK_SIZE); |
694 | |
695 | rk_tail->u[0] = reg0; |
696 | rk_tail->u[1] = reg1; |
697 | rk_tail->u[2] = reg2; |
698 | rk_tail->u[3] = reg3; |
699 | |
700 | rk_head++; |
701 | rk_tail--; |
702 | |
703 | for (; rk_head < rk_tail; rk_head++, rk_tail--) { |
704 | ARIA_DEC_DIFF_BYTE(rk_head->u[0], reg0, w1, w2); |
705 | ARIA_DEC_DIFF_BYTE(rk_head->u[1], reg1, w1, w2); |
706 | ARIA_DEC_DIFF_BYTE(rk_head->u[2], reg2, w1, w2); |
707 | ARIA_DEC_DIFF_BYTE(rk_head->u[3], reg3, w1, w2); |
708 | |
709 | ARIA_DIFF_WORD(reg0, reg1, reg2, reg3); |
710 | ARIA_DIFF_BYTE(reg0, reg1, reg2, reg3); |
711 | ARIA_DIFF_WORD(reg0, reg1, reg2, reg3); |
712 | |
713 | s0 = reg0; |
714 | s1 = reg1; |
715 | s2 = reg2; |
716 | s3 = reg3; |
717 | |
718 | ARIA_DEC_DIFF_BYTE(rk_tail->u[0], reg0, w1, w2); |
719 | ARIA_DEC_DIFF_BYTE(rk_tail->u[1], reg1, w1, w2); |
720 | ARIA_DEC_DIFF_BYTE(rk_tail->u[2], reg2, w1, w2); |
721 | ARIA_DEC_DIFF_BYTE(rk_tail->u[3], reg3, w1, w2); |
722 | |
723 | ARIA_DIFF_WORD(reg0, reg1, reg2, reg3); |
724 | ARIA_DIFF_BYTE(reg0, reg1, reg2, reg3); |
725 | ARIA_DIFF_WORD(reg0, reg1, reg2, reg3); |
726 | |
727 | rk_head->u[0] = reg0; |
728 | rk_head->u[1] = reg1; |
729 | rk_head->u[2] = reg2; |
730 | rk_head->u[3] = reg3; |
731 | |
732 | rk_tail->u[0] = s0; |
733 | rk_tail->u[1] = s1; |
734 | rk_tail->u[2] = s2; |
735 | rk_tail->u[3] = s3; |
736 | } |
737 | ARIA_DEC_DIFF_BYTE(rk_head->u[0], reg0, w1, w2); |
738 | ARIA_DEC_DIFF_BYTE(rk_head->u[1], reg1, w1, w2); |
739 | ARIA_DEC_DIFF_BYTE(rk_head->u[2], reg2, w1, w2); |
740 | ARIA_DEC_DIFF_BYTE(rk_head->u[3], reg3, w1, w2); |
741 | |
742 | ARIA_DIFF_WORD(reg0, reg1, reg2, reg3); |
743 | ARIA_DIFF_BYTE(reg0, reg1, reg2, reg3); |
744 | ARIA_DIFF_WORD(reg0, reg1, reg2, reg3); |
745 | |
746 | rk_tail->u[0] = reg0; |
747 | rk_tail->u[1] = reg1; |
748 | rk_tail->u[2] = reg2; |
749 | rk_tail->u[3] = reg3; |
750 | |
751 | return 0; |
752 | } |
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 |
1213 | |