Crypto++  8.8
Free C++ class library of cryptographic schemes
lea.cpp
1 // lea.cpp - written and placed in the public domain by Kim Sung Hee and Jeffrey Walton
2 // Based on "LEA: A 128-Bit Block Cipher for Fast Encryption on Common
3 // Processors" by Deukjo Hong, Jung-Keun Lee, Dong-Chan Kim, Daesung Kwon,
4 // Kwon Ho Ryu, and Dong-Geon Lee.
5 //
6 // This implementation is based on source files found in a zip file at the
7 // Korea Internet and Security Agency (https://www.kisa.or.kr/eng/main.jsp).
8 // The zip files was downloaded from the Korean language area of the site so we
9 // don't have a url or english zip filename to cite. The source filename from
10 // the zip is lea_core.c.
11 //
12 // The LEA team appears to have applied optimizations to functions in lea_core.c.
13 // The implementation does not exactly follow the aglorithmic description from
14 // the LEA paper.
15 
16 #include "pch.h"
17 #include "config.h"
18 
19 #include "lea.h"
20 #include "misc.h"
21 #include "cpu.h"
22 
23 ANONYMOUS_NAMESPACE_BEGIN
24 
25 using CryptoPP::word32;
27 
28 ANONYMOUS_NAMESPACE_END
29 
30 const word32 delta[8][36] = {
31  {0xc3efe9db, 0x87dfd3b7, 0x0fbfa76f, 0x1f7f4ede, 0x3efe9dbc, 0x7dfd3b78, 0xfbfa76f0, 0xf7f4ede1,
32  0xefe9dbc3, 0xdfd3b787, 0xbfa76f0f, 0x7f4ede1f, 0xfe9dbc3e, 0xfd3b787d, 0xfa76f0fb, 0xf4ede1f7,
33  0xe9dbc3ef, 0xd3b787df, 0xa76f0fbf, 0x4ede1f7f, 0x9dbc3efe, 0x3b787dfd, 0x76f0fbfa, 0xede1f7f4,
34  0xdbc3efe9, 0xb787dfd3, 0x6f0fbfa7, 0xde1f7f4e, 0xbc3efe9d, 0x787dfd3b, 0xf0fbfa76, 0xe1f7f4eD,
35  0xc3efe9db, 0x87dfd3b7, 0x0fbfa76f, 0x1f7f4ede},
36  {0x44626b02, 0x88c4d604, 0x1189ac09, 0x23135812, 0x4626b024, 0x8c4d6048, 0x189ac091, 0x31358122,
37  0x626b0244, 0xc4d60488, 0x89ac0911, 0x13581223, 0x26b02446, 0x4d60488c, 0x9ac09118, 0x35812231,
38  0x6b024462, 0xd60488c4, 0xac091189, 0x58122313, 0xb0244626, 0x60488c4d, 0xc091189a, 0x81223135,
39  0x0244626b, 0x0488c4d6, 0x091189ac, 0x12231358, 0x244626b0, 0x488c4d60, 0x91189ac0, 0x22313581,
40  0x44626b02, 0x88c4d604, 0x1189ac09, 0x23135812},
41  {0x79e27c8a, 0xf3c4f914, 0xe789f229, 0xcf13e453, 0x9e27c8a7, 0x3c4f914f, 0x789f229e, 0xf13e453c,
42  0xe27c8a79, 0xc4f914f3, 0x89f229e7, 0x13e453cf, 0x27c8a79e, 0x4f914f3c, 0x9f229e78, 0x3e453cf1,
43  0x7c8a79e2, 0xf914f3c4, 0xf229e789, 0xe453cf13, 0xc8a79e27, 0x914f3c4f, 0x229e789f, 0x453cf13e,
44  0x8a79e27c, 0x14f3c4f9, 0x29e789f2, 0x53cf13e4, 0xa79e27c8, 0x4f3c4f91, 0x9e789f22, 0x3cf13e45,
45  0x79e27c8a, 0xf3c4f914, 0xe789f229, 0xcf13e453},
46  {0x78df30ec, 0xf1be61d8, 0xe37cc3b1, 0xc6f98763, 0x8df30ec7, 0x1be61d8f, 0x37cc3b1e, 0x6f98763c,
47  0xdf30ec78, 0xbe61d8f1, 0x7cc3b1e3, 0xf98763c6, 0xf30ec78d, 0xe61d8f1b, 0xcc3b1e37, 0x98763c6f,
48  0x30ec78df, 0x61d8f1be, 0xc3b1e37c, 0x8763c6f9, 0x0ec78df3, 0x1d8f1be6, 0x3b1e37cc, 0x763c6f98,
49  0xec78df30, 0xd8f1be61, 0xb1e37cc3, 0x63c6f987, 0xc78df30e, 0x8f1be61d, 0x1e37cc3b, 0x3c6f9876,
50  0x78df30ec, 0xf1be61d8, 0xe37cc3b1, 0xc6f98763},
51  {0x715ea49e, 0xe2bd493c, 0xc57a9279, 0x8af524f3, 0x15ea49e7, 0x2bd493ce, 0x57a9279c, 0xaf524f38,
52  0x5ea49e71, 0xbd493ce2, 0x7a9279c5, 0xf524f38a, 0xea49e715, 0xd493ce2b, 0xa9279c57, 0x524f38af,
53  0xa49e715e, 0x493ce2bd, 0x9279c57a, 0x24f38af5, 0x49e715ea, 0x93ce2bd4, 0x279c57a9, 0x4f38af52,
54  0x9e715ea4, 0x3ce2bd49, 0x79c57a92, 0xf38af524, 0xe715ea49, 0xce2bd493, 0x9c57a927, 0x38af524f,
55  0x715ea49e, 0xe2bd493c, 0xc57a9279, 0x8af524f3},
56  {0xc785da0a, 0x8f0bb415, 0x1e17682b, 0x3c2ed056, 0x785da0ac, 0xf0bb4158, 0xe17682b1, 0xc2ed0563,
57  0x85da0ac7, 0x0bb4158f, 0x17682b1e, 0x2ed0563c, 0x5da0ac78, 0xbb4158f0, 0x7682b1e1, 0xed0563c2,
58  0xda0ac785, 0xb4158f0b, 0x682b1e17, 0xd0563c2e, 0xa0ac785d, 0x4158f0bb, 0x82b1e176, 0x0563c2ed,
59  0x0ac785da, 0x158f0bb4, 0x2b1e1768, 0x563c2ed0, 0xac785da0, 0x58f0bb41, 0xb1e17682, 0x63c2ed05,
60  0xc785da0a, 0x8f0bb415, 0x1e17682b, 0x3c2ed056},
61  {0xe04ef22a, 0xc09de455, 0x813bc8ab, 0x02779157, 0x04ef22ae, 0x09de455c, 0x13bc8ab8, 0x27791570,
62  0x4ef22ae0, 0x9de455c0, 0x3bc8ab81, 0x77915702, 0xef22ae04, 0xde455c09, 0xbc8ab813, 0x79157027,
63  0xf22ae04e, 0xe455c09d, 0xc8ab813b, 0x91570277, 0x22ae04ef, 0x455c09de, 0x8ab813bc, 0x15702779,
64  0x2ae04ef2, 0x55c09de4, 0xab813bc8, 0x57027791, 0xae04ef22, 0x5c09de45, 0xb813bc8a, 0x70277915,
65  0xe04ef22a, 0xc09de455, 0x813bc8ab, 0x02779157},
66  {0xe5c40957, 0xcb8812af, 0x9710255f, 0x2e204abf, 0x5c40957e, 0xb8812afc, 0x710255f9, 0xe204abf2,
67  0xc40957e5, 0x8812afcb, 0x10255f97, 0x204abf2e, 0x40957e5c, 0x812afcb8, 0x0255f971, 0x04abf2e2,
68  0x0957e5c4, 0x12afcb88, 0x255f9710, 0x4abf2e20, 0x957e5c40, 0x2afcb881, 0x55f97102, 0xabf2e204,
69  0x57e5c409, 0xafcb8812, 0x5f971025, 0xbf2e204a, 0x7e5c4095, 0xfcb8812a, 0xf9710255, 0xf2e204ab,
70  0xe5c40957, 0xcb8812af, 0x9710255f, 0x2e204abf}
71 };
72 
73 inline void SetKey128(word32 rkey[144], const word32 key[4])
74 {
75  rkey[ 0] = rotlConstant<1>( key[ 0] + delta[0][ 0]);
76  rkey[ 6] = rotlConstant<1>(rkey[ 0] + delta[1][ 1]);
77  rkey[ 12] = rotlConstant<1>(rkey[ 6] + delta[2][ 2]);
78  rkey[ 18] = rotlConstant<1>(rkey[ 12] + delta[3][ 3]);
79  rkey[ 24] = rotlConstant<1>(rkey[ 18] + delta[0][ 4]);
80  rkey[ 30] = rotlConstant<1>(rkey[ 24] + delta[1][ 5]);
81  rkey[ 36] = rotlConstant<1>(rkey[ 30] + delta[2][ 6]);
82  rkey[ 42] = rotlConstant<1>(rkey[ 36] + delta[3][ 7]);
83  rkey[ 48] = rotlConstant<1>(rkey[ 42] + delta[0][ 8]);
84  rkey[ 54] = rotlConstant<1>(rkey[ 48] + delta[1][ 9]);
85  rkey[ 60] = rotlConstant<1>(rkey[ 54] + delta[2][10]);
86  rkey[ 66] = rotlConstant<1>(rkey[ 60] + delta[3][11]);
87  rkey[ 72] = rotlConstant<1>(rkey[ 66] + delta[0][12]);
88  rkey[ 78] = rotlConstant<1>(rkey[ 72] + delta[1][13]);
89  rkey[ 84] = rotlConstant<1>(rkey[ 78] + delta[2][14]);
90  rkey[ 90] = rotlConstant<1>(rkey[ 84] + delta[3][15]);
91  rkey[ 96] = rotlConstant<1>(rkey[ 90] + delta[0][16]);
92  rkey[102] = rotlConstant<1>(rkey[ 96] + delta[1][17]);
93  rkey[108] = rotlConstant<1>(rkey[102] + delta[2][18]);
94  rkey[114] = rotlConstant<1>(rkey[108] + delta[3][19]);
95  rkey[120] = rotlConstant<1>(rkey[114] + delta[0][20]);
96  rkey[126] = rotlConstant<1>(rkey[120] + delta[1][21]);
97  rkey[132] = rotlConstant<1>(rkey[126] + delta[2][22]);
98  rkey[138] = rotlConstant<1>(rkey[132] + delta[3][23]);
99 
100  rkey[ 1] = rkey[ 3] = rkey[ 5] = rotlConstant<3>( key[ 1] + delta[0][ 1]);
101  rkey[ 7] = rkey[ 9] = rkey[ 11] = rotlConstant<3>(rkey[ 1] + delta[1][ 2]);
102  rkey[ 13] = rkey[ 15] = rkey[ 17] = rotlConstant<3>(rkey[ 7] + delta[2][ 3]);
103  rkey[ 19] = rkey[ 21] = rkey[ 23] = rotlConstant<3>(rkey[ 13] + delta[3][ 4]);
104  rkey[ 25] = rkey[ 27] = rkey[ 29] = rotlConstant<3>(rkey[ 19] + delta[0][ 5]);
105  rkey[ 31] = rkey[ 33] = rkey[ 35] = rotlConstant<3>(rkey[ 25] + delta[1][ 6]);
106  rkey[ 37] = rkey[ 39] = rkey[ 41] = rotlConstant<3>(rkey[ 31] + delta[2][ 7]);
107  rkey[ 43] = rkey[ 45] = rkey[ 47] = rotlConstant<3>(rkey[ 37] + delta[3][ 8]);
108  rkey[ 49] = rkey[ 51] = rkey[ 53] = rotlConstant<3>(rkey[ 43] + delta[0][ 9]);
109  rkey[ 55] = rkey[ 57] = rkey[ 59] = rotlConstant<3>(rkey[ 49] + delta[1][10]);
110  rkey[ 61] = rkey[ 63] = rkey[ 65] = rotlConstant<3>(rkey[ 55] + delta[2][11]);
111  rkey[ 67] = rkey[ 69] = rkey[ 71] = rotlConstant<3>(rkey[ 61] + delta[3][12]);
112  rkey[ 73] = rkey[ 75] = rkey[ 77] = rotlConstant<3>(rkey[ 67] + delta[0][13]);
113  rkey[ 79] = rkey[ 81] = rkey[ 83] = rotlConstant<3>(rkey[ 73] + delta[1][14]);
114  rkey[ 85] = rkey[ 87] = rkey[ 89] = rotlConstant<3>(rkey[ 79] + delta[2][15]);
115  rkey[ 91] = rkey[ 93] = rkey[ 95] = rotlConstant<3>(rkey[ 85] + delta[3][16]);
116  rkey[ 97] = rkey[ 99] = rkey[101] = rotlConstant<3>(rkey[ 91] + delta[0][17]);
117  rkey[103] = rkey[105] = rkey[107] = rotlConstant<3>(rkey[ 97] + delta[1][18]);
118  rkey[109] = rkey[111] = rkey[113] = rotlConstant<3>(rkey[103] + delta[2][19]);
119  rkey[115] = rkey[117] = rkey[119] = rotlConstant<3>(rkey[109] + delta[3][20]);
120  rkey[121] = rkey[123] = rkey[125] = rotlConstant<3>(rkey[115] + delta[0][21]);
121  rkey[127] = rkey[129] = rkey[131] = rotlConstant<3>(rkey[121] + delta[1][22]);
122  rkey[133] = rkey[135] = rkey[137] = rotlConstant<3>(rkey[127] + delta[2][23]);
123  rkey[139] = rkey[141] = rkey[143] = rotlConstant<3>(rkey[133] + delta[3][24]);
124 
125  rkey[ 2] = rotlConstant<6>( key[ 2] + delta[0][ 2]);
126  rkey[ 8] = rotlConstant<6>(rkey[ 2] + delta[1][ 3]);
127  rkey[ 14] = rotlConstant<6>(rkey[ 8] + delta[2][ 4]);
128  rkey[ 20] = rotlConstant<6>(rkey[ 14] + delta[3][ 5]);
129  rkey[ 26] = rotlConstant<6>(rkey[ 20] + delta[0][ 6]);
130  rkey[ 32] = rotlConstant<6>(rkey[ 26] + delta[1][ 7]);
131  rkey[ 38] = rotlConstant<6>(rkey[ 32] + delta[2][ 8]);
132  rkey[ 44] = rotlConstant<6>(rkey[ 38] + delta[3][ 9]);
133  rkey[ 50] = rotlConstant<6>(rkey[ 44] + delta[0][10]);
134  rkey[ 56] = rotlConstant<6>(rkey[ 50] + delta[1][11]);
135  rkey[ 62] = rotlConstant<6>(rkey[ 56] + delta[2][12]);
136  rkey[ 68] = rotlConstant<6>(rkey[ 62] + delta[3][13]);
137  rkey[ 74] = rotlConstant<6>(rkey[ 68] + delta[0][14]);
138  rkey[ 80] = rotlConstant<6>(rkey[ 74] + delta[1][15]);
139  rkey[ 86] = rotlConstant<6>(rkey[ 80] + delta[2][16]);
140  rkey[ 92] = rotlConstant<6>(rkey[ 86] + delta[3][17]);
141  rkey[ 98] = rotlConstant<6>(rkey[ 92] + delta[0][18]);
142  rkey[104] = rotlConstant<6>(rkey[ 98] + delta[1][19]);
143  rkey[110] = rotlConstant<6>(rkey[104] + delta[2][20]);
144  rkey[116] = rotlConstant<6>(rkey[110] + delta[3][21]);
145  rkey[122] = rotlConstant<6>(rkey[116] + delta[0][22]);
146  rkey[128] = rotlConstant<6>(rkey[122] + delta[1][23]);
147  rkey[134] = rotlConstant<6>(rkey[128] + delta[2][24]);
148  rkey[140] = rotlConstant<6>(rkey[134] + delta[3][25]);
149 
150  rkey[ 4] = rotlConstant<11>( key[ 3] + delta[0][ 3]);
151  rkey[ 10] = rotlConstant<11>(rkey[ 4] + delta[1][ 4]);
152  rkey[ 16] = rotlConstant<11>(rkey[ 10] + delta[2][ 5]);
153  rkey[ 22] = rotlConstant<11>(rkey[ 16] + delta[3][ 6]);
154  rkey[ 28] = rotlConstant<11>(rkey[ 22] + delta[0][ 7]);
155  rkey[ 34] = rotlConstant<11>(rkey[ 28] + delta[1][ 8]);
156  rkey[ 40] = rotlConstant<11>(rkey[ 34] + delta[2][ 9]);
157  rkey[ 46] = rotlConstant<11>(rkey[ 40] + delta[3][10]);
158  rkey[ 52] = rotlConstant<11>(rkey[ 46] + delta[0][11]);
159  rkey[ 58] = rotlConstant<11>(rkey[ 52] + delta[1][12]);
160  rkey[ 64] = rotlConstant<11>(rkey[ 58] + delta[2][13]);
161  rkey[ 70] = rotlConstant<11>(rkey[ 64] + delta[3][14]);
162  rkey[ 76] = rotlConstant<11>(rkey[ 70] + delta[0][15]);
163  rkey[ 82] = rotlConstant<11>(rkey[ 76] + delta[1][16]);
164  rkey[ 88] = rotlConstant<11>(rkey[ 82] + delta[2][17]);
165  rkey[ 94] = rotlConstant<11>(rkey[ 88] + delta[3][18]);
166  rkey[100] = rotlConstant<11>(rkey[ 94] + delta[0][19]);
167  rkey[106] = rotlConstant<11>(rkey[100] + delta[1][20]);
168  rkey[112] = rotlConstant<11>(rkey[106] + delta[2][21]);
169  rkey[118] = rotlConstant<11>(rkey[112] + delta[3][22]);
170  rkey[124] = rotlConstant<11>(rkey[118] + delta[0][23]);
171  rkey[130] = rotlConstant<11>(rkey[124] + delta[1][24]);
172  rkey[136] = rotlConstant<11>(rkey[130] + delta[2][25]);
173  rkey[142] = rotlConstant<11>(rkey[136] + delta[3][26]);
174 }
175 
176 inline void SetKey192(word32 rkey[168], const word32 key[6])
177 {
178  rkey[ 0] = rotlConstant<1>( key[ 0] + delta[0][ 0]);
179  rkey[ 6] = rotlConstant<1>(rkey[ 0] + delta[1][ 1]);
180  rkey[ 12] = rotlConstant<1>(rkey[ 6] + delta[2][ 2]);
181  rkey[ 18] = rotlConstant<1>(rkey[ 12] + delta[3][ 3]);
182  rkey[ 24] = rotlConstant<1>(rkey[ 18] + delta[4][ 4]);
183  rkey[ 30] = rotlConstant<1>(rkey[ 24] + delta[5][ 5]);
184  rkey[ 36] = rotlConstant<1>(rkey[ 30] + delta[0][ 6]);
185  rkey[ 42] = rotlConstant<1>(rkey[ 36] + delta[1][ 7]);
186  rkey[ 48] = rotlConstant<1>(rkey[ 42] + delta[2][ 8]);
187  rkey[ 54] = rotlConstant<1>(rkey[ 48] + delta[3][ 9]);
188  rkey[ 60] = rotlConstant<1>(rkey[ 54] + delta[4][10]);
189  rkey[ 66] = rotlConstant<1>(rkey[ 60] + delta[5][11]);
190  rkey[ 72] = rotlConstant<1>(rkey[ 66] + delta[0][12]);
191  rkey[ 78] = rotlConstant<1>(rkey[ 72] + delta[1][13]);
192  rkey[ 84] = rotlConstant<1>(rkey[ 78] + delta[2][14]);
193  rkey[ 90] = rotlConstant<1>(rkey[ 84] + delta[3][15]);
194  rkey[ 96] = rotlConstant<1>(rkey[ 90] + delta[4][16]);
195  rkey[102] = rotlConstant<1>(rkey[ 96] + delta[5][17]);
196  rkey[108] = rotlConstant<1>(rkey[102] + delta[0][18]);
197  rkey[114] = rotlConstant<1>(rkey[108] + delta[1][19]);
198  rkey[120] = rotlConstant<1>(rkey[114] + delta[2][20]);
199  rkey[126] = rotlConstant<1>(rkey[120] + delta[3][21]);
200  rkey[132] = rotlConstant<1>(rkey[126] + delta[4][22]);
201  rkey[138] = rotlConstant<1>(rkey[132] + delta[5][23]);
202  rkey[144] = rotlConstant<1>(rkey[138] + delta[0][24]);
203  rkey[150] = rotlConstant<1>(rkey[144] + delta[1][25]);
204  rkey[156] = rotlConstant<1>(rkey[150] + delta[2][26]);
205  rkey[162] = rotlConstant<1>(rkey[156] + delta[3][27]);
206 
207  rkey[ 1] = rotlConstant<3>( key[ 1] + delta[0][ 1]);
208  rkey[ 7] = rotlConstant<3>(rkey[ 1] + delta[1][ 2]);
209  rkey[ 13] = rotlConstant<3>(rkey[ 7] + delta[2][ 3]);
210  rkey[ 19] = rotlConstant<3>(rkey[ 13] + delta[3][ 4]);
211  rkey[ 25] = rotlConstant<3>(rkey[ 19] + delta[4][ 5]);
212  rkey[ 31] = rotlConstant<3>(rkey[ 25] + delta[5][ 6]);
213  rkey[ 37] = rotlConstant<3>(rkey[ 31] + delta[0][ 7]);
214  rkey[ 43] = rotlConstant<3>(rkey[ 37] + delta[1][ 8]);
215  rkey[ 49] = rotlConstant<3>(rkey[ 43] + delta[2][ 9]);
216  rkey[ 55] = rotlConstant<3>(rkey[ 49] + delta[3][10]);
217  rkey[ 61] = rotlConstant<3>(rkey[ 55] + delta[4][11]);
218  rkey[ 67] = rotlConstant<3>(rkey[ 61] + delta[5][12]);
219  rkey[ 73] = rotlConstant<3>(rkey[ 67] + delta[0][13]);
220  rkey[ 79] = rotlConstant<3>(rkey[ 73] + delta[1][14]);
221  rkey[ 85] = rotlConstant<3>(rkey[ 79] + delta[2][15]);
222  rkey[ 91] = rotlConstant<3>(rkey[ 85] + delta[3][16]);
223  rkey[ 97] = rotlConstant<3>(rkey[ 91] + delta[4][17]);
224  rkey[103] = rotlConstant<3>(rkey[ 97] + delta[5][18]);
225  rkey[109] = rotlConstant<3>(rkey[103] + delta[0][19]);
226  rkey[115] = rotlConstant<3>(rkey[109] + delta[1][20]);
227  rkey[121] = rotlConstant<3>(rkey[115] + delta[2][21]);
228  rkey[127] = rotlConstant<3>(rkey[121] + delta[3][22]);
229  rkey[133] = rotlConstant<3>(rkey[127] + delta[4][23]);
230  rkey[139] = rotlConstant<3>(rkey[133] + delta[5][24]);
231  rkey[145] = rotlConstant<3>(rkey[139] + delta[0][25]);
232  rkey[151] = rotlConstant<3>(rkey[145] + delta[1][26]);
233  rkey[157] = rotlConstant<3>(rkey[151] + delta[2][27]);
234  rkey[163] = rotlConstant<3>(rkey[157] + delta[3][28]);
235 
236  rkey[ 2] = rotlConstant<6>( key[ 2] + delta[0][ 2]);
237  rkey[ 8] = rotlConstant<6>(rkey[ 2] + delta[1][ 3]);
238  rkey[ 14] = rotlConstant<6>(rkey[ 8] + delta[2][ 4]);
239  rkey[ 20] = rotlConstant<6>(rkey[ 14] + delta[3][ 5]);
240  rkey[ 26] = rotlConstant<6>(rkey[ 20] + delta[4][ 6]);
241  rkey[ 32] = rotlConstant<6>(rkey[ 26] + delta[5][ 7]);
242  rkey[ 38] = rotlConstant<6>(rkey[ 32] + delta[0][ 8]);
243  rkey[ 44] = rotlConstant<6>(rkey[ 38] + delta[1][ 9]);
244  rkey[ 50] = rotlConstant<6>(rkey[ 44] + delta[2][10]);
245  rkey[ 56] = rotlConstant<6>(rkey[ 50] + delta[3][11]);
246  rkey[ 62] = rotlConstant<6>(rkey[ 56] + delta[4][12]);
247  rkey[ 68] = rotlConstant<6>(rkey[ 62] + delta[5][13]);
248  rkey[ 74] = rotlConstant<6>(rkey[ 68] + delta[0][14]);
249  rkey[ 80] = rotlConstant<6>(rkey[ 74] + delta[1][15]);
250  rkey[ 86] = rotlConstant<6>(rkey[ 80] + delta[2][16]);
251  rkey[ 92] = rotlConstant<6>(rkey[ 86] + delta[3][17]);
252  rkey[ 98] = rotlConstant<6>(rkey[ 92] + delta[4][18]);
253  rkey[104] = rotlConstant<6>(rkey[ 98] + delta[5][19]);
254  rkey[110] = rotlConstant<6>(rkey[104] + delta[0][20]);
255  rkey[116] = rotlConstant<6>(rkey[110] + delta[1][21]);
256  rkey[122] = rotlConstant<6>(rkey[116] + delta[2][22]);
257  rkey[128] = rotlConstant<6>(rkey[122] + delta[3][23]);
258  rkey[134] = rotlConstant<6>(rkey[128] + delta[4][24]);
259  rkey[140] = rotlConstant<6>(rkey[134] + delta[5][25]);
260  rkey[146] = rotlConstant<6>(rkey[140] + delta[0][26]);
261  rkey[152] = rotlConstant<6>(rkey[146] + delta[1][27]);
262  rkey[158] = rotlConstant<6>(rkey[152] + delta[2][28]);
263  rkey[164] = rotlConstant<6>(rkey[158] + delta[3][29]);
264 
265  rkey[ 3] = rotlConstant<11>( key[ 3] + delta[0][ 3]);
266  rkey[ 9] = rotlConstant<11>(rkey[ 3] + delta[1][ 4]);
267  rkey[ 15] = rotlConstant<11>(rkey[ 9] + delta[2][ 5]);
268  rkey[ 21] = rotlConstant<11>(rkey[ 15] + delta[3][ 6]);
269  rkey[ 27] = rotlConstant<11>(rkey[ 21] + delta[4][ 7]);
270  rkey[ 33] = rotlConstant<11>(rkey[ 27] + delta[5][ 8]);
271  rkey[ 39] = rotlConstant<11>(rkey[ 33] + delta[0][ 9]);
272  rkey[ 45] = rotlConstant<11>(rkey[ 39] + delta[1][10]);
273  rkey[ 51] = rotlConstant<11>(rkey[ 45] + delta[2][11]);
274  rkey[ 57] = rotlConstant<11>(rkey[ 51] + delta[3][12]);
275  rkey[ 63] = rotlConstant<11>(rkey[ 57] + delta[4][13]);
276  rkey[ 69] = rotlConstant<11>(rkey[ 63] + delta[5][14]);
277  rkey[ 75] = rotlConstant<11>(rkey[ 69] + delta[0][15]);
278  rkey[ 81] = rotlConstant<11>(rkey[ 75] + delta[1][16]);
279  rkey[ 87] = rotlConstant<11>(rkey[ 81] + delta[2][17]);
280  rkey[ 93] = rotlConstant<11>(rkey[ 87] + delta[3][18]);
281  rkey[ 99] = rotlConstant<11>(rkey[ 93] + delta[4][19]);
282  rkey[105] = rotlConstant<11>(rkey[ 99] + delta[5][20]);
283  rkey[111] = rotlConstant<11>(rkey[105] + delta[0][21]);
284  rkey[117] = rotlConstant<11>(rkey[111] + delta[1][22]);
285  rkey[123] = rotlConstant<11>(rkey[117] + delta[2][23]);
286  rkey[129] = rotlConstant<11>(rkey[123] + delta[3][24]);
287  rkey[135] = rotlConstant<11>(rkey[129] + delta[4][25]);
288  rkey[141] = rotlConstant<11>(rkey[135] + delta[5][26]);
289  rkey[147] = rotlConstant<11>(rkey[141] + delta[0][27]);
290  rkey[153] = rotlConstant<11>(rkey[147] + delta[1][28]);
291  rkey[159] = rotlConstant<11>(rkey[153] + delta[2][29]);
292  rkey[165] = rotlConstant<11>(rkey[159] + delta[3][30]);
293 
294  rkey[ 4] = rotlConstant<13>( key[ 4] + delta[0][ 4]);
295  rkey[ 10] = rotlConstant<13>(rkey[ 4] + delta[1][ 5]);
296  rkey[ 16] = rotlConstant<13>(rkey[ 10] + delta[2][ 6]);
297  rkey[ 22] = rotlConstant<13>(rkey[ 16] + delta[3][ 7]);
298  rkey[ 28] = rotlConstant<13>(rkey[ 22] + delta[4][ 8]);
299  rkey[ 34] = rotlConstant<13>(rkey[ 28] + delta[5][ 9]);
300  rkey[ 40] = rotlConstant<13>(rkey[ 34] + delta[0][10]);
301  rkey[ 46] = rotlConstant<13>(rkey[ 40] + delta[1][11]);
302  rkey[ 52] = rotlConstant<13>(rkey[ 46] + delta[2][12]);
303  rkey[ 58] = rotlConstant<13>(rkey[ 52] + delta[3][13]);
304  rkey[ 64] = rotlConstant<13>(rkey[ 58] + delta[4][14]);
305  rkey[ 70] = rotlConstant<13>(rkey[ 64] + delta[5][15]);
306  rkey[ 76] = rotlConstant<13>(rkey[ 70] + delta[0][16]);
307  rkey[ 82] = rotlConstant<13>(rkey[ 76] + delta[1][17]);
308  rkey[ 88] = rotlConstant<13>(rkey[ 82] + delta[2][18]);
309  rkey[ 94] = rotlConstant<13>(rkey[ 88] + delta[3][19]);
310  rkey[100] = rotlConstant<13>(rkey[ 94] + delta[4][20]);
311  rkey[106] = rotlConstant<13>(rkey[100] + delta[5][21]);
312  rkey[112] = rotlConstant<13>(rkey[106] + delta[0][22]);
313  rkey[118] = rotlConstant<13>(rkey[112] + delta[1][23]);
314  rkey[124] = rotlConstant<13>(rkey[118] + delta[2][24]);
315  rkey[130] = rotlConstant<13>(rkey[124] + delta[3][25]);
316  rkey[136] = rotlConstant<13>(rkey[130] + delta[4][26]);
317  rkey[142] = rotlConstant<13>(rkey[136] + delta[5][27]);
318  rkey[148] = rotlConstant<13>(rkey[142] + delta[0][28]);
319  rkey[154] = rotlConstant<13>(rkey[148] + delta[1][29]);
320  rkey[160] = rotlConstant<13>(rkey[154] + delta[2][30]);
321  rkey[166] = rotlConstant<13>(rkey[160] + delta[3][31]);
322 
323  rkey[ 5] = rotlConstant<17>( key[ 5] + delta[0][ 5]);
324  rkey[ 11] = rotlConstant<17>(rkey[ 5] + delta[1][ 6]);
325  rkey[ 17] = rotlConstant<17>(rkey[ 11] + delta[2][ 7]);
326  rkey[ 23] = rotlConstant<17>(rkey[ 17] + delta[3][ 8]);
327  rkey[ 29] = rotlConstant<17>(rkey[ 23] + delta[4][ 9]);
328  rkey[ 35] = rotlConstant<17>(rkey[ 29] + delta[5][10]);
329  rkey[ 41] = rotlConstant<17>(rkey[ 35] + delta[0][11]);
330  rkey[ 47] = rotlConstant<17>(rkey[ 41] + delta[1][12]);
331  rkey[ 53] = rotlConstant<17>(rkey[ 47] + delta[2][13]);
332  rkey[ 59] = rotlConstant<17>(rkey[ 53] + delta[3][14]);
333  rkey[ 65] = rotlConstant<17>(rkey[ 59] + delta[4][15]);
334  rkey[ 71] = rotlConstant<17>(rkey[ 65] + delta[5][16]);
335  rkey[ 77] = rotlConstant<17>(rkey[ 71] + delta[0][17]);
336  rkey[ 83] = rotlConstant<17>(rkey[ 77] + delta[1][18]);
337  rkey[ 89] = rotlConstant<17>(rkey[ 83] + delta[2][19]);
338  rkey[ 95] = rotlConstant<17>(rkey[ 89] + delta[3][20]);
339  rkey[101] = rotlConstant<17>(rkey[ 95] + delta[4][21]);
340  rkey[107] = rotlConstant<17>(rkey[101] + delta[5][22]);
341  rkey[113] = rotlConstant<17>(rkey[107] + delta[0][23]);
342  rkey[119] = rotlConstant<17>(rkey[113] + delta[1][24]);
343  rkey[125] = rotlConstant<17>(rkey[119] + delta[2][25]);
344  rkey[131] = rotlConstant<17>(rkey[125] + delta[3][26]);
345  rkey[137] = rotlConstant<17>(rkey[131] + delta[4][27]);
346  rkey[143] = rotlConstant<17>(rkey[137] + delta[5][28]);
347  rkey[149] = rotlConstant<17>(rkey[143] + delta[0][29]);
348  rkey[155] = rotlConstant<17>(rkey[149] + delta[1][30]);
349  rkey[161] = rotlConstant<17>(rkey[155] + delta[2][31]);
350  rkey[167] = rotlConstant<17>(rkey[161] + delta[3][ 0]);
351 }
352 
353 inline void SetKey256(word32 rkey[192], const word32 key[8])
354 {
355  rkey[ 0] = rotlConstant< 1>( key[ 0] + delta[0][ 0]);
356  rkey[ 8] = rotlConstant< 6>(rkey[ 0] + delta[1][ 3]);
357  rkey[ 16] = rotlConstant<13>(rkey[ 8] + delta[2][ 6]);
358  rkey[ 24] = rotlConstant< 1>(rkey[ 16] + delta[4][ 4]);
359  rkey[ 32] = rotlConstant< 6>(rkey[ 24] + delta[5][ 7]);
360  rkey[ 40] = rotlConstant<13>(rkey[ 32] + delta[6][10]);
361  rkey[ 48] = rotlConstant< 1>(rkey[ 40] + delta[0][ 8]);
362  rkey[ 56] = rotlConstant< 6>(rkey[ 48] + delta[1][11]);
363  rkey[ 64] = rotlConstant<13>(rkey[ 56] + delta[2][14]);
364  rkey[ 72] = rotlConstant< 1>(rkey[ 64] + delta[4][12]);
365  rkey[ 80] = rotlConstant< 6>(rkey[ 72] + delta[5][15]);
366  rkey[ 88] = rotlConstant<13>(rkey[ 80] + delta[6][18]);
367  rkey[ 96] = rotlConstant< 1>(rkey[ 88] + delta[0][16]);
368  rkey[104] = rotlConstant< 6>(rkey[ 96] + delta[1][19]);
369  rkey[112] = rotlConstant<13>(rkey[104] + delta[2][22]);
370  rkey[120] = rotlConstant< 1>(rkey[112] + delta[4][20]);
371  rkey[128] = rotlConstant< 6>(rkey[120] + delta[5][23]);
372  rkey[136] = rotlConstant<13>(rkey[128] + delta[6][26]);
373  rkey[144] = rotlConstant< 1>(rkey[136] + delta[0][24]);
374  rkey[152] = rotlConstant< 6>(rkey[144] + delta[1][27]);
375  rkey[160] = rotlConstant<13>(rkey[152] + delta[2][30]);
376  rkey[168] = rotlConstant< 1>(rkey[160] + delta[4][28]);
377  rkey[176] = rotlConstant< 6>(rkey[168] + delta[5][31]);
378  rkey[184] = rotlConstant<13>(rkey[176] + delta[6][ 2]);
379 
380  rkey[ 1] = rotlConstant< 3>( key[ 1] + delta[0][ 1]);
381  rkey[ 9] = rotlConstant<11>(rkey[ 1] + delta[1][ 4]);
382  rkey[ 17] = rotlConstant<17>(rkey[ 9] + delta[2][ 7]);
383  rkey[ 25] = rotlConstant< 3>(rkey[ 17] + delta[4][ 5]);
384  rkey[ 33] = rotlConstant<11>(rkey[ 25] + delta[5][ 8]);
385  rkey[ 41] = rotlConstant<17>(rkey[ 33] + delta[6][11]);
386  rkey[ 49] = rotlConstant< 3>(rkey[ 41] + delta[0][ 9]);
387  rkey[ 57] = rotlConstant<11>(rkey[ 49] + delta[1][12]);
388  rkey[ 65] = rotlConstant<17>(rkey[ 57] + delta[2][15]);
389  rkey[ 73] = rotlConstant< 3>(rkey[ 65] + delta[4][13]);
390  rkey[ 81] = rotlConstant<11>(rkey[ 73] + delta[5][16]);
391  rkey[ 89] = rotlConstant<17>(rkey[ 81] + delta[6][19]);
392  rkey[ 97] = rotlConstant< 3>(rkey[ 89] + delta[0][17]);
393  rkey[105] = rotlConstant<11>(rkey[ 97] + delta[1][20]);
394  rkey[113] = rotlConstant<17>(rkey[105] + delta[2][23]);
395  rkey[121] = rotlConstant< 3>(rkey[113] + delta[4][21]);
396  rkey[129] = rotlConstant<11>(rkey[121] + delta[5][24]);
397  rkey[137] = rotlConstant<17>(rkey[129] + delta[6][27]);
398  rkey[145] = rotlConstant< 3>(rkey[137] + delta[0][25]);
399  rkey[153] = rotlConstant<11>(rkey[145] + delta[1][28]);
400  rkey[161] = rotlConstant<17>(rkey[153] + delta[2][31]);
401  rkey[169] = rotlConstant< 3>(rkey[161] + delta[4][29]);
402  rkey[177] = rotlConstant<11>(rkey[169] + delta[5][ 0]);
403  rkey[185] = rotlConstant<17>(rkey[177] + delta[6][ 3]);
404 
405  rkey[ 2] = rotlConstant< 6>( key[ 2] + delta[0][ 2]);
406  rkey[ 10] = rotlConstant<13>(rkey[ 2] + delta[1][ 5]);
407  rkey[ 18] = rotlConstant< 1>(rkey[ 10] + delta[3][ 3]);
408  rkey[ 26] = rotlConstant< 6>(rkey[ 18] + delta[4][ 6]);
409  rkey[ 34] = rotlConstant<13>(rkey[ 26] + delta[5][ 9]);
410  rkey[ 42] = rotlConstant< 1>(rkey[ 34] + delta[7][ 7]);
411  rkey[ 50] = rotlConstant< 6>(rkey[ 42] + delta[0][10]);
412  rkey[ 58] = rotlConstant<13>(rkey[ 50] + delta[1][13]);
413  rkey[ 66] = rotlConstant< 1>(rkey[ 58] + delta[3][11]);
414  rkey[ 74] = rotlConstant< 6>(rkey[ 66] + delta[4][14]);
415  rkey[ 82] = rotlConstant<13>(rkey[ 74] + delta[5][17]);
416  rkey[ 90] = rotlConstant< 1>(rkey[ 82] + delta[7][15]);
417  rkey[ 98] = rotlConstant< 6>(rkey[ 90] + delta[0][18]);
418  rkey[106] = rotlConstant<13>(rkey[ 98] + delta[1][21]);
419  rkey[114] = rotlConstant< 1>(rkey[106] + delta[3][19]);
420  rkey[122] = rotlConstant< 6>(rkey[114] + delta[4][22]);
421  rkey[130] = rotlConstant<13>(rkey[122] + delta[5][25]);
422  rkey[138] = rotlConstant< 1>(rkey[130] + delta[7][23]);
423  rkey[146] = rotlConstant< 6>(rkey[138] + delta[0][26]);
424  rkey[154] = rotlConstant<13>(rkey[146] + delta[1][29]);
425  rkey[162] = rotlConstant< 1>(rkey[154] + delta[3][27]);
426  rkey[170] = rotlConstant< 6>(rkey[162] + delta[4][30]);
427  rkey[178] = rotlConstant<13>(rkey[170] + delta[5][ 1]);
428  rkey[186] = rotlConstant< 1>(rkey[178] + delta[7][31]);
429 
430  rkey[ 3] = rotlConstant<11>( key[ 3] + delta[0][ 3]);
431  rkey[ 11] = rotlConstant<17>(rkey[ 3] + delta[1][ 6]);
432  rkey[ 19] = rotlConstant< 3>(rkey[ 11] + delta[3][ 4]);
433  rkey[ 27] = rotlConstant<11>(rkey[ 19] + delta[4][ 7]);
434  rkey[ 35] = rotlConstant<17>(rkey[ 27] + delta[5][10]);
435  rkey[ 43] = rotlConstant< 3>(rkey[ 35] + delta[7][ 8]);
436  rkey[ 51] = rotlConstant<11>(rkey[ 43] + delta[0][11]);
437  rkey[ 59] = rotlConstant<17>(rkey[ 51] + delta[1][14]);
438  rkey[ 67] = rotlConstant< 3>(rkey[ 59] + delta[3][12]);
439  rkey[ 75] = rotlConstant<11>(rkey[ 67] + delta[4][15]);
440  rkey[ 83] = rotlConstant<17>(rkey[ 75] + delta[5][18]);
441  rkey[ 91] = rotlConstant< 3>(rkey[ 83] + delta[7][16]);
442  rkey[ 99] = rotlConstant<11>(rkey[ 91] + delta[0][19]);
443  rkey[107] = rotlConstant<17>(rkey[ 99] + delta[1][22]);
444  rkey[115] = rotlConstant< 3>(rkey[107] + delta[3][20]);
445  rkey[123] = rotlConstant<11>(rkey[115] + delta[4][23]);
446  rkey[131] = rotlConstant<17>(rkey[123] + delta[5][26]);
447  rkey[139] = rotlConstant< 3>(rkey[131] + delta[7][24]);
448  rkey[147] = rotlConstant<11>(rkey[139] + delta[0][27]);
449  rkey[155] = rotlConstant<17>(rkey[147] + delta[1][30]);
450  rkey[163] = rotlConstant< 3>(rkey[155] + delta[3][28]);
451  rkey[171] = rotlConstant<11>(rkey[163] + delta[4][31]);
452  rkey[179] = rotlConstant<17>(rkey[171] + delta[5][ 2]);
453  rkey[187] = rotlConstant< 3>(rkey[179] + delta[7][ 0]);
454 
455  rkey[ 4] = rotlConstant<13>( key[ 4] + delta[0][ 4]);
456  rkey[ 12] = rotlConstant< 1>(rkey[ 4] + delta[2][ 2]);
457  rkey[ 20] = rotlConstant< 6>(rkey[ 12] + delta[3][ 5]);
458  rkey[ 28] = rotlConstant<13>(rkey[ 20] + delta[4][ 8]);
459  rkey[ 36] = rotlConstant< 1>(rkey[ 28] + delta[6][ 6]);
460  rkey[ 44] = rotlConstant< 6>(rkey[ 36] + delta[7][ 9]);
461  rkey[ 52] = rotlConstant<13>(rkey[ 44] + delta[0][12]);
462  rkey[ 60] = rotlConstant< 1>(rkey[ 52] + delta[2][10]);
463  rkey[ 68] = rotlConstant< 6>(rkey[ 60] + delta[3][13]);
464  rkey[ 76] = rotlConstant<13>(rkey[ 68] + delta[4][16]);
465  rkey[ 84] = rotlConstant< 1>(rkey[ 76] + delta[6][14]);
466  rkey[ 92] = rotlConstant< 6>(rkey[ 84] + delta[7][17]);
467  rkey[100] = rotlConstant<13>(rkey[ 92] + delta[0][20]);
468  rkey[108] = rotlConstant< 1>(rkey[100] + delta[2][18]);
469  rkey[116] = rotlConstant< 6>(rkey[108] + delta[3][21]);
470  rkey[124] = rotlConstant<13>(rkey[116] + delta[4][24]);
471  rkey[132] = rotlConstant< 1>(rkey[124] + delta[6][22]);
472  rkey[140] = rotlConstant< 6>(rkey[132] + delta[7][25]);
473  rkey[148] = rotlConstant<13>(rkey[140] + delta[0][28]);
474  rkey[156] = rotlConstant< 1>(rkey[148] + delta[2][26]);
475  rkey[164] = rotlConstant< 6>(rkey[156] + delta[3][29]);
476  rkey[172] = rotlConstant<13>(rkey[164] + delta[4][ 0]);
477  rkey[180] = rotlConstant< 1>(rkey[172] + delta[6][30]);
478  rkey[188] = rotlConstant< 6>(rkey[180] + delta[7][ 1]);
479 
480  rkey[ 5] = rotlConstant<17>( key[ 5] + delta[0][ 5]);
481  rkey[ 13] = rotlConstant< 3>(rkey[ 5] + delta[2][ 3]);
482  rkey[ 21] = rotlConstant<11>(rkey[ 13] + delta[3][ 6]);
483  rkey[ 29] = rotlConstant<17>(rkey[ 21] + delta[4][ 9]);
484  rkey[ 37] = rotlConstant< 3>(rkey[ 29] + delta[6][ 7]);
485  rkey[ 45] = rotlConstant<11>(rkey[ 37] + delta[7][10]);
486  rkey[ 53] = rotlConstant<17>(rkey[ 45] + delta[0][13]);
487  rkey[ 61] = rotlConstant< 3>(rkey[ 53] + delta[2][11]);
488  rkey[ 69] = rotlConstant<11>(rkey[ 61] + delta[3][14]);
489  rkey[ 77] = rotlConstant<17>(rkey[ 69] + delta[4][17]);
490  rkey[ 85] = rotlConstant< 3>(rkey[ 77] + delta[6][15]);
491  rkey[ 93] = rotlConstant<11>(rkey[ 85] + delta[7][18]);
492  rkey[101] = rotlConstant<17>(rkey[ 93] + delta[0][21]);
493  rkey[109] = rotlConstant< 3>(rkey[101] + delta[2][19]);
494  rkey[117] = rotlConstant<11>(rkey[109] + delta[3][22]);
495  rkey[125] = rotlConstant<17>(rkey[117] + delta[4][25]);
496  rkey[133] = rotlConstant< 3>(rkey[125] + delta[6][23]);
497  rkey[141] = rotlConstant<11>(rkey[133] + delta[7][26]);
498  rkey[149] = rotlConstant<17>(rkey[141] + delta[0][29]);
499  rkey[157] = rotlConstant< 3>(rkey[149] + delta[2][27]);
500  rkey[165] = rotlConstant<11>(rkey[157] + delta[3][30]);
501  rkey[173] = rotlConstant<17>(rkey[165] + delta[4][ 1]);
502  rkey[181] = rotlConstant< 3>(rkey[173] + delta[6][31]);
503  rkey[189] = rotlConstant<11>(rkey[181] + delta[7][ 2]);
504 
505  rkey[ 6] = rotlConstant< 1>( key[ 6] + delta[1][ 1]);
506  rkey[ 14] = rotlConstant< 6>(rkey[ 6] + delta[2][ 4]);
507  rkey[ 22] = rotlConstant<13>(rkey[ 14] + delta[3][ 7]);
508  rkey[ 30] = rotlConstant< 1>(rkey[ 22] + delta[5][ 5]);
509  rkey[ 38] = rotlConstant< 6>(rkey[ 30] + delta[6][ 8]);
510  rkey[ 46] = rotlConstant<13>(rkey[ 38] + delta[7][11]);
511  rkey[ 54] = rotlConstant< 1>(rkey[ 46] + delta[1][ 9]);
512  rkey[ 62] = rotlConstant< 6>(rkey[ 54] + delta[2][12]);
513  rkey[ 70] = rotlConstant<13>(rkey[ 62] + delta[3][15]);
514  rkey[ 78] = rotlConstant< 1>(rkey[ 70] + delta[5][13]);
515  rkey[ 86] = rotlConstant< 6>(rkey[ 78] + delta[6][16]);
516  rkey[ 94] = rotlConstant<13>(rkey[ 86] + delta[7][19]);
517  rkey[102] = rotlConstant< 1>(rkey[ 94] + delta[1][17]);
518  rkey[110] = rotlConstant< 6>(rkey[102] + delta[2][20]);
519  rkey[118] = rotlConstant<13>(rkey[110] + delta[3][23]);
520  rkey[126] = rotlConstant< 1>(rkey[118] + delta[5][21]);
521  rkey[134] = rotlConstant< 6>(rkey[126] + delta[6][24]);
522  rkey[142] = rotlConstant<13>(rkey[134] + delta[7][27]);
523  rkey[150] = rotlConstant< 1>(rkey[142] + delta[1][25]);
524  rkey[158] = rotlConstant< 6>(rkey[150] + delta[2][28]);
525  rkey[166] = rotlConstant<13>(rkey[158] + delta[3][31]);
526  rkey[174] = rotlConstant< 1>(rkey[166] + delta[5][29]);
527  rkey[182] = rotlConstant< 6>(rkey[174] + delta[6][ 0]);
528  rkey[190] = rotlConstant<13>(rkey[182] + delta[7][ 3]);
529 
530  rkey[ 7] = rotlConstant< 3>( key[ 7] + delta[1][ 2]);
531  rkey[ 15] = rotlConstant<11>(rkey[ 7] + delta[2][ 5]);
532  rkey[ 23] = rotlConstant<17>(rkey[ 15] + delta[3][ 8]);
533  rkey[ 31] = rotlConstant< 3>(rkey[ 23] + delta[5][ 6]);
534  rkey[ 39] = rotlConstant<11>(rkey[ 31] + delta[6][ 9]);
535  rkey[ 47] = rotlConstant<17>(rkey[ 39] + delta[7][12]);
536  rkey[ 55] = rotlConstant< 3>(rkey[ 47] + delta[1][10]);
537  rkey[ 63] = rotlConstant<11>(rkey[ 55] + delta[2][13]);
538  rkey[ 71] = rotlConstant<17>(rkey[ 63] + delta[3][16]);
539  rkey[ 79] = rotlConstant< 3>(rkey[ 71] + delta[5][14]);
540  rkey[ 87] = rotlConstant<11>(rkey[ 79] + delta[6][17]);
541  rkey[ 95] = rotlConstant<17>(rkey[ 87] + delta[7][20]);
542  rkey[103] = rotlConstant< 3>(rkey[ 95] + delta[1][18]);
543  rkey[111] = rotlConstant<11>(rkey[103] + delta[2][21]);
544  rkey[119] = rotlConstant<17>(rkey[111] + delta[3][24]);
545  rkey[127] = rotlConstant< 3>(rkey[119] + delta[5][22]);
546  rkey[135] = rotlConstant<11>(rkey[127] + delta[6][25]);
547  rkey[143] = rotlConstant<17>(rkey[135] + delta[7][28]);
548  rkey[151] = rotlConstant< 3>(rkey[143] + delta[1][26]);
549  rkey[159] = rotlConstant<11>(rkey[151] + delta[2][29]);
550  rkey[167] = rotlConstant<17>(rkey[159] + delta[3][ 0]);
551  rkey[175] = rotlConstant< 3>(rkey[167] + delta[5][30]);
552  rkey[183] = rotlConstant<11>(rkey[175] + delta[6][ 1]);
553  rkey[191] = rotlConstant<17>(rkey[183] + delta[7][ 4]);
554 }
555 
556 NAMESPACE_BEGIN(CryptoPP)
557 
558 #if CRYPTOPP_LEA_ADVANCED_PROCESS_BLOCKS
559 # if defined(CRYPTOPP_SSSE3_AVAILABLE)
560 extern size_t LEA_Enc_AdvancedProcessBlocks_SSSE3(const word32* subKeys, size_t rounds,
561  const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags);
562 
563 extern size_t LEA_Dec_AdvancedProcessBlocks_SSSE3(const word32* subKeys, size_t rounds,
564  const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags);
565 # endif
566 
567 # if (CRYPTOPP_ARM_NEON_AVAILABLE)
568 extern size_t LEA_Enc_AdvancedProcessBlocks_NEON(const word32* subKeys, size_t rounds,
569  const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags);
570 
571 extern size_t LEA_Dec_AdvancedProcessBlocks_NEON(const word32* subKeys, size_t rounds,
572  const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags);
573 # endif
574 #endif
575 
576 std::string LEA::Base::AlgorithmProvider() const
577 {
578 #if (CRYPTOPP_LEA_ADVANCED_PROCESS_BLOCKS)
579 # if (CRYPTOPP_SSSE3_AVAILABLE)
580  if (HasSSSE3())
581  return "SSSE3";
582 # endif
583 # if (CRYPTOPP_ARM_NEON_AVAILABLE)
584  if (HasNEON())
585  return "NEON";
586 # endif
587 #endif
588  return "C++";
589 }
590 
591 void LEA::Base::UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params)
592 {
593  CRYPTOPP_UNUSED(params);
594 
595  switch(keyLength)
596  {
597  case 16: // 128-bit key
598  {
599  m_rkey.New(144); m_temp.New(4); m_rounds = 24;
600  GetUserKey(LITTLE_ENDIAN_ORDER, m_temp.begin(), 4, userKey, 16);
601  SetKey128(m_rkey, m_temp);
602  break;
603  }
604  case 24: // 192-bit key
605  {
606  m_rkey.New(168); m_temp.New(6); m_rounds = 28;
607  GetUserKey(LITTLE_ENDIAN_ORDER, m_temp.begin(), 6, userKey, 24);
608  SetKey192(m_rkey, m_temp);
609  break;
610  }
611  case 32: // 256-bit key
612  {
613  m_rkey.New(192); m_temp.New(8); m_rounds = 32;
614  GetUserKey(LITTLE_ENDIAN_ORDER, m_temp.begin(), 8, userKey, 32);
615  SetKey256(m_rkey, m_temp);
616  break;
617  }
618  default:
619  CRYPTOPP_ASSERT(0);
620  }
621 }
622 
623 void LEA::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
624 {
625  // Do not cast the buffer. It will SIGBUS on some ARM and SPARC.
626  GetBlock<word32, LittleEndian> iblock(inBlock);
627  iblock(m_temp[0])(m_temp[1])(m_temp[2])(m_temp[3]);
628 
629  m_temp[3] = rotrConstant<3>((m_temp[2] ^ m_rkey[ 4]) + (m_temp[3] ^ m_rkey[ 5]));
630  m_temp[2] = rotrConstant<5>((m_temp[1] ^ m_rkey[ 2]) + (m_temp[2] ^ m_rkey[ 3]));
631  m_temp[1] = rotlConstant<9>((m_temp[0] ^ m_rkey[ 0]) + (m_temp[1] ^ m_rkey[ 1]));
632  m_temp[0] = rotrConstant<3>((m_temp[3] ^ m_rkey[ 10]) + (m_temp[0] ^ m_rkey[ 11]));
633  m_temp[3] = rotrConstant<5>((m_temp[2] ^ m_rkey[ 8]) + (m_temp[3] ^ m_rkey[ 9]));
634  m_temp[2] = rotlConstant<9>((m_temp[1] ^ m_rkey[ 6]) + (m_temp[2] ^ m_rkey[ 7]));
635  m_temp[1] = rotrConstant<3>((m_temp[0] ^ m_rkey[ 16]) + (m_temp[1] ^ m_rkey[ 17]));
636  m_temp[0] = rotrConstant<5>((m_temp[3] ^ m_rkey[ 14]) + (m_temp[0] ^ m_rkey[ 15]));
637  m_temp[3] = rotlConstant<9>((m_temp[2] ^ m_rkey[ 12]) + (m_temp[3] ^ m_rkey[ 13]));
638  m_temp[2] = rotrConstant<3>((m_temp[1] ^ m_rkey[ 22]) + (m_temp[2] ^ m_rkey[ 23]));
639  m_temp[1] = rotrConstant<5>((m_temp[0] ^ m_rkey[ 20]) + (m_temp[1] ^ m_rkey[ 21]));
640  m_temp[0] = rotlConstant<9>((m_temp[3] ^ m_rkey[ 18]) + (m_temp[0] ^ m_rkey[ 19]));
641 
642  m_temp[3] = rotrConstant<3>((m_temp[2] ^ m_rkey[ 28]) + (m_temp[3] ^ m_rkey[ 29]));
643  m_temp[2] = rotrConstant<5>((m_temp[1] ^ m_rkey[ 26]) + (m_temp[2] ^ m_rkey[ 27]));
644  m_temp[1] = rotlConstant<9>((m_temp[0] ^ m_rkey[ 24]) + (m_temp[1] ^ m_rkey[ 25]));
645  m_temp[0] = rotrConstant<3>((m_temp[3] ^ m_rkey[ 34]) + (m_temp[0] ^ m_rkey[ 35]));
646  m_temp[3] = rotrConstant<5>((m_temp[2] ^ m_rkey[ 32]) + (m_temp[3] ^ m_rkey[ 33]));
647  m_temp[2] = rotlConstant<9>((m_temp[1] ^ m_rkey[ 30]) + (m_temp[2] ^ m_rkey[ 31]));
648  m_temp[1] = rotrConstant<3>((m_temp[0] ^ m_rkey[ 40]) + (m_temp[1] ^ m_rkey[ 41]));
649  m_temp[0] = rotrConstant<5>((m_temp[3] ^ m_rkey[ 38]) + (m_temp[0] ^ m_rkey[ 39]));
650  m_temp[3] = rotlConstant<9>((m_temp[2] ^ m_rkey[ 36]) + (m_temp[3] ^ m_rkey[ 37]));
651  m_temp[2] = rotrConstant<3>((m_temp[1] ^ m_rkey[ 46]) + (m_temp[2] ^ m_rkey[ 47]));
652  m_temp[1] = rotrConstant<5>((m_temp[0] ^ m_rkey[ 44]) + (m_temp[1] ^ m_rkey[ 45]));
653  m_temp[0] = rotlConstant<9>((m_temp[3] ^ m_rkey[ 42]) + (m_temp[0] ^ m_rkey[ 43]));
654 
655  m_temp[3] = rotrConstant<3>((m_temp[2] ^ m_rkey[ 52]) + (m_temp[3] ^ m_rkey[ 53]));
656  m_temp[2] = rotrConstant<5>((m_temp[1] ^ m_rkey[ 50]) + (m_temp[2] ^ m_rkey[ 51]));
657  m_temp[1] = rotlConstant<9>((m_temp[0] ^ m_rkey[ 48]) + (m_temp[1] ^ m_rkey[ 49]));
658  m_temp[0] = rotrConstant<3>((m_temp[3] ^ m_rkey[ 58]) + (m_temp[0] ^ m_rkey[ 59]));
659  m_temp[3] = rotrConstant<5>((m_temp[2] ^ m_rkey[ 56]) + (m_temp[3] ^ m_rkey[ 57]));
660  m_temp[2] = rotlConstant<9>((m_temp[1] ^ m_rkey[ 54]) + (m_temp[2] ^ m_rkey[ 55]));
661  m_temp[1] = rotrConstant<3>((m_temp[0] ^ m_rkey[ 64]) + (m_temp[1] ^ m_rkey[ 65]));
662  m_temp[0] = rotrConstant<5>((m_temp[3] ^ m_rkey[ 62]) + (m_temp[0] ^ m_rkey[ 63]));
663  m_temp[3] = rotlConstant<9>((m_temp[2] ^ m_rkey[ 60]) + (m_temp[3] ^ m_rkey[ 61]));
664  m_temp[2] = rotrConstant<3>((m_temp[1] ^ m_rkey[ 70]) + (m_temp[2] ^ m_rkey[ 71]));
665  m_temp[1] = rotrConstant<5>((m_temp[0] ^ m_rkey[ 68]) + (m_temp[1] ^ m_rkey[ 69]));
666  m_temp[0] = rotlConstant<9>((m_temp[3] ^ m_rkey[ 66]) + (m_temp[0] ^ m_rkey[ 67]));
667 
668  m_temp[3] = rotrConstant<3>((m_temp[2] ^ m_rkey[ 76]) + (m_temp[3] ^ m_rkey[ 77]));
669  m_temp[2] = rotrConstant<5>((m_temp[1] ^ m_rkey[ 74]) + (m_temp[2] ^ m_rkey[ 75]));
670  m_temp[1] = rotlConstant<9>((m_temp[0] ^ m_rkey[ 72]) + (m_temp[1] ^ m_rkey[ 73]));
671  m_temp[0] = rotrConstant<3>((m_temp[3] ^ m_rkey[ 82]) + (m_temp[0] ^ m_rkey[ 83]));
672  m_temp[3] = rotrConstant<5>((m_temp[2] ^ m_rkey[ 80]) + (m_temp[3] ^ m_rkey[ 81]));
673  m_temp[2] = rotlConstant<9>((m_temp[1] ^ m_rkey[ 78]) + (m_temp[2] ^ m_rkey[ 79]));
674  m_temp[1] = rotrConstant<3>((m_temp[0] ^ m_rkey[ 88]) + (m_temp[1] ^ m_rkey[ 89]));
675  m_temp[0] = rotrConstant<5>((m_temp[3] ^ m_rkey[ 86]) + (m_temp[0] ^ m_rkey[ 87]));
676  m_temp[3] = rotlConstant<9>((m_temp[2] ^ m_rkey[ 84]) + (m_temp[3] ^ m_rkey[ 85]));
677  m_temp[2] = rotrConstant<3>((m_temp[1] ^ m_rkey[ 94]) + (m_temp[2] ^ m_rkey[ 95]));
678  m_temp[1] = rotrConstant<5>((m_temp[0] ^ m_rkey[ 92]) + (m_temp[1] ^ m_rkey[ 93]));
679  m_temp[0] = rotlConstant<9>((m_temp[3] ^ m_rkey[ 90]) + (m_temp[0] ^ m_rkey[ 91]));
680 
681  m_temp[3] = rotrConstant<3>((m_temp[2] ^ m_rkey[100]) + (m_temp[3] ^ m_rkey[101]));
682  m_temp[2] = rotrConstant<5>((m_temp[1] ^ m_rkey[ 98]) + (m_temp[2] ^ m_rkey[ 99]));
683  m_temp[1] = rotlConstant<9>((m_temp[0] ^ m_rkey[ 96]) + (m_temp[1] ^ m_rkey[ 97]));
684  m_temp[0] = rotrConstant<3>((m_temp[3] ^ m_rkey[106]) + (m_temp[0] ^ m_rkey[107]));
685  m_temp[3] = rotrConstant<5>((m_temp[2] ^ m_rkey[104]) + (m_temp[3] ^ m_rkey[105]));
686  m_temp[2] = rotlConstant<9>((m_temp[1] ^ m_rkey[102]) + (m_temp[2] ^ m_rkey[103]));
687  m_temp[1] = rotrConstant<3>((m_temp[0] ^ m_rkey[112]) + (m_temp[1] ^ m_rkey[113]));
688  m_temp[0] = rotrConstant<5>((m_temp[3] ^ m_rkey[110]) + (m_temp[0] ^ m_rkey[111]));
689  m_temp[3] = rotlConstant<9>((m_temp[2] ^ m_rkey[108]) + (m_temp[3] ^ m_rkey[109]));
690  m_temp[2] = rotrConstant<3>((m_temp[1] ^ m_rkey[118]) + (m_temp[2] ^ m_rkey[119]));
691  m_temp[1] = rotrConstant<5>((m_temp[0] ^ m_rkey[116]) + (m_temp[1] ^ m_rkey[117]));
692  m_temp[0] = rotlConstant<9>((m_temp[3] ^ m_rkey[114]) + (m_temp[0] ^ m_rkey[115]));
693 
694  m_temp[3] = rotrConstant<3>((m_temp[2] ^ m_rkey[124]) + (m_temp[3] ^ m_rkey[125]));
695  m_temp[2] = rotrConstant<5>((m_temp[1] ^ m_rkey[122]) + (m_temp[2] ^ m_rkey[123]));
696  m_temp[1] = rotlConstant<9>((m_temp[0] ^ m_rkey[120]) + (m_temp[1] ^ m_rkey[121]));
697  m_temp[0] = rotrConstant<3>((m_temp[3] ^ m_rkey[130]) + (m_temp[0] ^ m_rkey[131]));
698  m_temp[3] = rotrConstant<5>((m_temp[2] ^ m_rkey[128]) + (m_temp[3] ^ m_rkey[129]));
699  m_temp[2] = rotlConstant<9>((m_temp[1] ^ m_rkey[126]) + (m_temp[2] ^ m_rkey[127]));
700  m_temp[1] = rotrConstant<3>((m_temp[0] ^ m_rkey[136]) + (m_temp[1] ^ m_rkey[137]));
701  m_temp[0] = rotrConstant<5>((m_temp[3] ^ m_rkey[134]) + (m_temp[0] ^ m_rkey[135]));
702  m_temp[3] = rotlConstant<9>((m_temp[2] ^ m_rkey[132]) + (m_temp[3] ^ m_rkey[133]));
703  m_temp[2] = rotrConstant<3>((m_temp[1] ^ m_rkey[142]) + (m_temp[2] ^ m_rkey[143]));
704  m_temp[1] = rotrConstant<5>((m_temp[0] ^ m_rkey[140]) + (m_temp[1] ^ m_rkey[141]));
705  m_temp[0] = rotlConstant<9>((m_temp[3] ^ m_rkey[138]) + (m_temp[0] ^ m_rkey[139]));
706 
707  if(m_rounds > 24)
708  {
709  m_temp[3] = rotrConstant<3>((m_temp[2] ^ m_rkey[148]) + (m_temp[3] ^ m_rkey[149]));
710  m_temp[2] = rotrConstant<5>((m_temp[1] ^ m_rkey[146]) + (m_temp[2] ^ m_rkey[147]));
711  m_temp[1] = rotlConstant<9>((m_temp[0] ^ m_rkey[144]) + (m_temp[1] ^ m_rkey[145]));
712  m_temp[0] = rotrConstant<3>((m_temp[3] ^ m_rkey[154]) + (m_temp[0] ^ m_rkey[155]));
713  m_temp[3] = rotrConstant<5>((m_temp[2] ^ m_rkey[152]) + (m_temp[3] ^ m_rkey[153]));
714  m_temp[2] = rotlConstant<9>((m_temp[1] ^ m_rkey[150]) + (m_temp[2] ^ m_rkey[151]));
715  m_temp[1] = rotrConstant<3>((m_temp[0] ^ m_rkey[160]) + (m_temp[1] ^ m_rkey[161]));
716  m_temp[0] = rotrConstant<5>((m_temp[3] ^ m_rkey[158]) + (m_temp[0] ^ m_rkey[159]));
717  m_temp[3] = rotlConstant<9>((m_temp[2] ^ m_rkey[156]) + (m_temp[3] ^ m_rkey[157]));
718  m_temp[2] = rotrConstant<3>((m_temp[1] ^ m_rkey[166]) + (m_temp[2] ^ m_rkey[167]));
719  m_temp[1] = rotrConstant<5>((m_temp[0] ^ m_rkey[164]) + (m_temp[1] ^ m_rkey[165]));
720  m_temp[0] = rotlConstant<9>((m_temp[3] ^ m_rkey[162]) + (m_temp[0] ^ m_rkey[163]));
721  }
722 
723  if(m_rounds > 28)
724  {
725  m_temp[3] = rotrConstant<3>((m_temp[2] ^ m_rkey[172]) + (m_temp[3] ^ m_rkey[173]));
726  m_temp[2] = rotrConstant<5>((m_temp[1] ^ m_rkey[170]) + (m_temp[2] ^ m_rkey[171]));
727  m_temp[1] = rotlConstant<9>((m_temp[0] ^ m_rkey[168]) + (m_temp[1] ^ m_rkey[169]));
728  m_temp[0] = rotrConstant<3>((m_temp[3] ^ m_rkey[178]) + (m_temp[0] ^ m_rkey[179]));
729  m_temp[3] = rotrConstant<5>((m_temp[2] ^ m_rkey[176]) + (m_temp[3] ^ m_rkey[177]));
730  m_temp[2] = rotlConstant<9>((m_temp[1] ^ m_rkey[174]) + (m_temp[2] ^ m_rkey[175]));
731  m_temp[1] = rotrConstant<3>((m_temp[0] ^ m_rkey[184]) + (m_temp[1] ^ m_rkey[185]));
732  m_temp[0] = rotrConstant<5>((m_temp[3] ^ m_rkey[182]) + (m_temp[0] ^ m_rkey[183]));
733  m_temp[3] = rotlConstant<9>((m_temp[2] ^ m_rkey[180]) + (m_temp[3] ^ m_rkey[181]));
734  m_temp[2] = rotrConstant<3>((m_temp[1] ^ m_rkey[190]) + (m_temp[2] ^ m_rkey[191]));
735  m_temp[1] = rotrConstant<5>((m_temp[0] ^ m_rkey[188]) + (m_temp[1] ^ m_rkey[189]));
736  m_temp[0] = rotlConstant<9>((m_temp[3] ^ m_rkey[186]) + (m_temp[0] ^ m_rkey[187]));
737  }
738 
739  PutBlock<word32, LittleEndian> oblock(xorBlock, outBlock);
740  oblock(m_temp[0])(m_temp[1])(m_temp[2])(m_temp[3]);
741 }
742 
743 void LEA::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
744 {
745  // Do not cast the buffer. It will SIGBUS on some ARM and SPARC.
746  GetBlock<word32, LittleEndian> iblock(inBlock);
747  iblock(m_temp[0])(m_temp[1])(m_temp[2])(m_temp[3]);
748 
749  if(m_rounds > 28)
750  {
751  m_temp[0] = (rotrConstant<9>(m_temp[0]) - (m_temp[3] ^ m_rkey[186])) ^ m_rkey[187];
752  m_temp[1] = (rotlConstant<5>(m_temp[1]) - (m_temp[0] ^ m_rkey[188])) ^ m_rkey[189];
753  m_temp[2] = (rotlConstant<3>(m_temp[2]) - (m_temp[1] ^ m_rkey[190])) ^ m_rkey[191];
754  m_temp[3] = (rotrConstant<9>(m_temp[3]) - (m_temp[2] ^ m_rkey[180])) ^ m_rkey[181];
755  m_temp[0] = (rotlConstant<5>(m_temp[0]) - (m_temp[3] ^ m_rkey[182])) ^ m_rkey[183];
756  m_temp[1] = (rotlConstant<3>(m_temp[1]) - (m_temp[0] ^ m_rkey[184])) ^ m_rkey[185];
757  m_temp[2] = (rotrConstant<9>(m_temp[2]) - (m_temp[1] ^ m_rkey[174])) ^ m_rkey[175];
758  m_temp[3] = (rotlConstant<5>(m_temp[3]) - (m_temp[2] ^ m_rkey[176])) ^ m_rkey[177];
759  m_temp[0] = (rotlConstant<3>(m_temp[0]) - (m_temp[3] ^ m_rkey[178])) ^ m_rkey[179];
760  m_temp[1] = (rotrConstant<9>(m_temp[1]) - (m_temp[0] ^ m_rkey[168])) ^ m_rkey[169];
761  m_temp[2] = (rotlConstant<5>(m_temp[2]) - (m_temp[1] ^ m_rkey[170])) ^ m_rkey[171];
762  m_temp[3] = (rotlConstant<3>(m_temp[3]) - (m_temp[2] ^ m_rkey[172])) ^ m_rkey[173];
763  }
764 
765  if(m_rounds > 24)
766  {
767  m_temp[0] = (rotrConstant<9>(m_temp[0]) - (m_temp[3] ^ m_rkey[162])) ^ m_rkey[163];
768  m_temp[1] = (rotlConstant<5>(m_temp[1]) - (m_temp[0] ^ m_rkey[164])) ^ m_rkey[165];
769  m_temp[2] = (rotlConstant<3>(m_temp[2]) - (m_temp[1] ^ m_rkey[166])) ^ m_rkey[167];
770  m_temp[3] = (rotrConstant<9>(m_temp[3]) - (m_temp[2] ^ m_rkey[156])) ^ m_rkey[157];
771  m_temp[0] = (rotlConstant<5>(m_temp[0]) - (m_temp[3] ^ m_rkey[158])) ^ m_rkey[159];
772  m_temp[1] = (rotlConstant<3>(m_temp[1]) - (m_temp[0] ^ m_rkey[160])) ^ m_rkey[161];
773  m_temp[2] = (rotrConstant<9>(m_temp[2]) - (m_temp[1] ^ m_rkey[150])) ^ m_rkey[151];
774  m_temp[3] = (rotlConstant<5>(m_temp[3]) - (m_temp[2] ^ m_rkey[152])) ^ m_rkey[153];
775  m_temp[0] = (rotlConstant<3>(m_temp[0]) - (m_temp[3] ^ m_rkey[154])) ^ m_rkey[155];
776  m_temp[1] = (rotrConstant<9>(m_temp[1]) - (m_temp[0] ^ m_rkey[144])) ^ m_rkey[145];
777  m_temp[2] = (rotlConstant<5>(m_temp[2]) - (m_temp[1] ^ m_rkey[146])) ^ m_rkey[147];
778  m_temp[3] = (rotlConstant<3>(m_temp[3]) - (m_temp[2] ^ m_rkey[148])) ^ m_rkey[149];
779  }
780 
781  m_temp[0] = (rotrConstant<9>(m_temp[0]) - (m_temp[3] ^ m_rkey[138])) ^ m_rkey[139];
782  m_temp[1] = (rotlConstant<5>(m_temp[1]) - (m_temp[0] ^ m_rkey[140])) ^ m_rkey[141];
783  m_temp[2] = (rotlConstant<3>(m_temp[2]) - (m_temp[1] ^ m_rkey[142])) ^ m_rkey[143];
784  m_temp[3] = (rotrConstant<9>(m_temp[3]) - (m_temp[2] ^ m_rkey[132])) ^ m_rkey[133];
785  m_temp[0] = (rotlConstant<5>(m_temp[0]) - (m_temp[3] ^ m_rkey[134])) ^ m_rkey[135];
786  m_temp[1] = (rotlConstant<3>(m_temp[1]) - (m_temp[0] ^ m_rkey[136])) ^ m_rkey[137];
787  m_temp[2] = (rotrConstant<9>(m_temp[2]) - (m_temp[1] ^ m_rkey[126])) ^ m_rkey[127];
788  m_temp[3] = (rotlConstant<5>(m_temp[3]) - (m_temp[2] ^ m_rkey[128])) ^ m_rkey[129];
789  m_temp[0] = (rotlConstant<3>(m_temp[0]) - (m_temp[3] ^ m_rkey[130])) ^ m_rkey[131];
790  m_temp[1] = (rotrConstant<9>(m_temp[1]) - (m_temp[0] ^ m_rkey[120])) ^ m_rkey[121];
791  m_temp[2] = (rotlConstant<5>(m_temp[2]) - (m_temp[1] ^ m_rkey[122])) ^ m_rkey[123];
792  m_temp[3] = (rotlConstant<3>(m_temp[3]) - (m_temp[2] ^ m_rkey[124])) ^ m_rkey[125];
793 
794  m_temp[0] = (rotrConstant<9>(m_temp[0]) - (m_temp[3] ^ m_rkey[114])) ^ m_rkey[115];
795  m_temp[1] = (rotlConstant<5>(m_temp[1]) - (m_temp[0] ^ m_rkey[116])) ^ m_rkey[117];
796  m_temp[2] = (rotlConstant<3>(m_temp[2]) - (m_temp[1] ^ m_rkey[118])) ^ m_rkey[119];
797  m_temp[3] = (rotrConstant<9>(m_temp[3]) - (m_temp[2] ^ m_rkey[108])) ^ m_rkey[109];
798  m_temp[0] = (rotlConstant<5>(m_temp[0]) - (m_temp[3] ^ m_rkey[110])) ^ m_rkey[111];
799  m_temp[1] = (rotlConstant<3>(m_temp[1]) - (m_temp[0] ^ m_rkey[112])) ^ m_rkey[113];
800  m_temp[2] = (rotrConstant<9>(m_temp[2]) - (m_temp[1] ^ m_rkey[102])) ^ m_rkey[103];
801  m_temp[3] = (rotlConstant<5>(m_temp[3]) - (m_temp[2] ^ m_rkey[104])) ^ m_rkey[105];
802  m_temp[0] = (rotlConstant<3>(m_temp[0]) - (m_temp[3] ^ m_rkey[106])) ^ m_rkey[107];
803  m_temp[1] = (rotrConstant<9>(m_temp[1]) - (m_temp[0] ^ m_rkey[ 96])) ^ m_rkey[ 97];
804  m_temp[2] = (rotlConstant<5>(m_temp[2]) - (m_temp[1] ^ m_rkey[ 98])) ^ m_rkey[ 99];
805  m_temp[3] = (rotlConstant<3>(m_temp[3]) - (m_temp[2] ^ m_rkey[100])) ^ m_rkey[101];
806 
807  m_temp[0] = (rotrConstant<9>(m_temp[0]) - (m_temp[3] ^ m_rkey[ 90])) ^ m_rkey[ 91];
808  m_temp[1] = (rotlConstant<5>(m_temp[1]) - (m_temp[0] ^ m_rkey[ 92])) ^ m_rkey[ 93];
809  m_temp[2] = (rotlConstant<3>(m_temp[2]) - (m_temp[1] ^ m_rkey[ 94])) ^ m_rkey[ 95];
810  m_temp[3] = (rotrConstant<9>(m_temp[3]) - (m_temp[2] ^ m_rkey[ 84])) ^ m_rkey[ 85];
811  m_temp[0] = (rotlConstant<5>(m_temp[0]) - (m_temp[3] ^ m_rkey[ 86])) ^ m_rkey[ 87];
812  m_temp[1] = (rotlConstant<3>(m_temp[1]) - (m_temp[0] ^ m_rkey[ 88])) ^ m_rkey[ 89];
813  m_temp[2] = (rotrConstant<9>(m_temp[2]) - (m_temp[1] ^ m_rkey[ 78])) ^ m_rkey[ 79];
814  m_temp[3] = (rotlConstant<5>(m_temp[3]) - (m_temp[2] ^ m_rkey[ 80])) ^ m_rkey[ 81];
815  m_temp[0] = (rotlConstant<3>(m_temp[0]) - (m_temp[3] ^ m_rkey[ 82])) ^ m_rkey[ 83];
816  m_temp[1] = (rotrConstant<9>(m_temp[1]) - (m_temp[0] ^ m_rkey[ 72])) ^ m_rkey[ 73];
817  m_temp[2] = (rotlConstant<5>(m_temp[2]) - (m_temp[1] ^ m_rkey[ 74])) ^ m_rkey[ 75];
818  m_temp[3] = (rotlConstant<3>(m_temp[3]) - (m_temp[2] ^ m_rkey[ 76])) ^ m_rkey[ 77];
819 
820  m_temp[0] = (rotrConstant<9>(m_temp[0]) - (m_temp[3] ^ m_rkey[ 66])) ^ m_rkey[ 67];
821  m_temp[1] = (rotlConstant<5>(m_temp[1]) - (m_temp[0] ^ m_rkey[ 68])) ^ m_rkey[ 69];
822  m_temp[2] = (rotlConstant<3>(m_temp[2]) - (m_temp[1] ^ m_rkey[ 70])) ^ m_rkey[ 71];
823  m_temp[3] = (rotrConstant<9>(m_temp[3]) - (m_temp[2] ^ m_rkey[ 60])) ^ m_rkey[ 61];
824  m_temp[0] = (rotlConstant<5>(m_temp[0]) - (m_temp[3] ^ m_rkey[ 62])) ^ m_rkey[ 63];
825  m_temp[1] = (rotlConstant<3>(m_temp[1]) - (m_temp[0] ^ m_rkey[ 64])) ^ m_rkey[ 65];
826  m_temp[2] = (rotrConstant<9>(m_temp[2]) - (m_temp[1] ^ m_rkey[ 54])) ^ m_rkey[ 55];
827  m_temp[3] = (rotlConstant<5>(m_temp[3]) - (m_temp[2] ^ m_rkey[ 56])) ^ m_rkey[ 57];
828  m_temp[0] = (rotlConstant<3>(m_temp[0]) - (m_temp[3] ^ m_rkey[ 58])) ^ m_rkey[ 59];
829  m_temp[1] = (rotrConstant<9>(m_temp[1]) - (m_temp[0] ^ m_rkey[ 48])) ^ m_rkey[ 49];
830  m_temp[2] = (rotlConstant<5>(m_temp[2]) - (m_temp[1] ^ m_rkey[ 50])) ^ m_rkey[ 51];
831  m_temp[3] = (rotlConstant<3>(m_temp[3]) - (m_temp[2] ^ m_rkey[ 52])) ^ m_rkey[ 53];
832 
833  m_temp[0] = (rotrConstant<9>(m_temp[0]) - (m_temp[3] ^ m_rkey[ 42])) ^ m_rkey[ 43];
834  m_temp[1] = (rotlConstant<5>(m_temp[1]) - (m_temp[0] ^ m_rkey[ 44])) ^ m_rkey[ 45];
835  m_temp[2] = (rotlConstant<3>(m_temp[2]) - (m_temp[1] ^ m_rkey[ 46])) ^ m_rkey[ 47];
836  m_temp[3] = (rotrConstant<9>(m_temp[3]) - (m_temp[2] ^ m_rkey[ 36])) ^ m_rkey[ 37];
837  m_temp[0] = (rotlConstant<5>(m_temp[0]) - (m_temp[3] ^ m_rkey[ 38])) ^ m_rkey[ 39];
838  m_temp[1] = (rotlConstant<3>(m_temp[1]) - (m_temp[0] ^ m_rkey[ 40])) ^ m_rkey[ 41];
839  m_temp[2] = (rotrConstant<9>(m_temp[2]) - (m_temp[1] ^ m_rkey[ 30])) ^ m_rkey[ 31];
840  m_temp[3] = (rotlConstant<5>(m_temp[3]) - (m_temp[2] ^ m_rkey[ 32])) ^ m_rkey[ 33];
841  m_temp[0] = (rotlConstant<3>(m_temp[0]) - (m_temp[3] ^ m_rkey[ 34])) ^ m_rkey[ 35];
842  m_temp[1] = (rotrConstant<9>(m_temp[1]) - (m_temp[0] ^ m_rkey[ 24])) ^ m_rkey[ 25];
843  m_temp[2] = (rotlConstant<5>(m_temp[2]) - (m_temp[1] ^ m_rkey[ 26])) ^ m_rkey[ 27];
844  m_temp[3] = (rotlConstant<3>(m_temp[3]) - (m_temp[2] ^ m_rkey[ 28])) ^ m_rkey[ 29];
845 
846  m_temp[0] = (rotrConstant<9>(m_temp[0]) - (m_temp[3] ^ m_rkey[ 18])) ^ m_rkey[ 19];
847  m_temp[1] = (rotlConstant<5>(m_temp[1]) - (m_temp[0] ^ m_rkey[ 20])) ^ m_rkey[ 21];
848  m_temp[2] = (rotlConstant<3>(m_temp[2]) - (m_temp[1] ^ m_rkey[ 22])) ^ m_rkey[ 23];
849  m_temp[3] = (rotrConstant<9>(m_temp[3]) - (m_temp[2] ^ m_rkey[ 12])) ^ m_rkey[ 13];
850  m_temp[0] = (rotlConstant<5>(m_temp[0]) - (m_temp[3] ^ m_rkey[ 14])) ^ m_rkey[ 15];
851  m_temp[1] = (rotlConstant<3>(m_temp[1]) - (m_temp[0] ^ m_rkey[ 16])) ^ m_rkey[ 17];
852  m_temp[2] = (rotrConstant<9>(m_temp[2]) - (m_temp[1] ^ m_rkey[ 6])) ^ m_rkey[ 7];
853  m_temp[3] = (rotlConstant<5>(m_temp[3]) - (m_temp[2] ^ m_rkey[ 8])) ^ m_rkey[ 9];
854  m_temp[0] = (rotlConstant<3>(m_temp[0]) - (m_temp[3] ^ m_rkey[ 10])) ^ m_rkey[ 11];
855  m_temp[1] = (rotrConstant<9>(m_temp[1]) - (m_temp[0] ^ m_rkey[ 0])) ^ m_rkey[ 1];
856  m_temp[2] = (rotlConstant<5>(m_temp[2]) - (m_temp[1] ^ m_rkey[ 2])) ^ m_rkey[ 3];
857  m_temp[3] = (rotlConstant<3>(m_temp[3]) - (m_temp[2] ^ m_rkey[ 4])) ^ m_rkey[ 5];
858 
859  PutBlock<word32, LittleEndian> oblock(xorBlock, outBlock);
860  oblock(m_temp[0])(m_temp[1])(m_temp[2])(m_temp[3]);
861 }
862 
863 #if CRYPTOPP_LEA_ADVANCED_PROCESS_BLOCKS
864 size_t LEA::Enc::AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks,
865  byte *outBlocks, size_t length, word32 flags) const
866 {
867 #if defined(CRYPTOPP_SSSE3_AVAILABLE)
868  if (HasSSSE3()) {
869  return LEA_Enc_AdvancedProcessBlocks_SSSE3(m_rkey, m_rounds,
870  inBlocks, xorBlocks, outBlocks, length, flags);
871  }
872 #endif
873 #if (CRYPTOPP_ARM_NEON_AVAILABLE)
874  if (HasNEON())
875  return LEA_Enc_AdvancedProcessBlocks_NEON(m_rkey, (size_t)m_rounds,
876  inBlocks, xorBlocks, outBlocks, length, flags);
877 #endif
878  return BlockTransformation::AdvancedProcessBlocks(inBlocks, xorBlocks, outBlocks, length, flags);
879 }
880 
881 size_t LEA::Dec::AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks,
882  byte *outBlocks, size_t length, word32 flags) const
883 {
884 #if defined(CRYPTOPP_SSSE3_AVAILABLE)
885  if (HasSSSE3()) {
886  return LEA_Dec_AdvancedProcessBlocks_SSSE3(m_rkey, m_rounds,
887  inBlocks, xorBlocks, outBlocks, length, flags);
888  }
889 #endif
890 #if (CRYPTOPP_ARM_NEON_AVAILABLE)
891  if (HasNEON())
892  return LEA_Dec_AdvancedProcessBlocks_NEON(m_rkey, (size_t)m_rounds,
893  inBlocks, xorBlocks, outBlocks, length, flags);
894 #endif
895  return BlockTransformation::AdvancedProcessBlocks(inBlocks, xorBlocks, outBlocks, length, flags);
896 }
897 #endif // CRYPTOPP_LEA_ADVANCED_PROCESS_BLOCKS
898 
899 NAMESPACE_END
virtual size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const
Encrypt and xor multiple blocks using additional flags.
Access a block of memory.
Definition: misc.h:2975
Interface for retrieving values given their names.
Definition: cryptlib.h:327
Access a block of memory.
Definition: misc.h:3016
Library configuration file.
unsigned int word32
32-bit unsigned datatype
Definition: config_int.h:72
Functions for CPU features and intrinsics.
@ LITTLE_ENDIAN_ORDER
byte order is little-endian
Definition: cryptlib.h:150
Classes for the LEA block cipher.
Utility functions for the Crypto++ library.
T rotlConstant(T x)
Performs a left rotate.
Definition: misc.h:1757
void GetUserKey(ByteOrder order, T *out, size_t outlen, const byte *in, size_t inlen)
Copy bytes in a buffer to an array of elements in big-endian order.
Definition: misc.h:2500
Crypto++ library namespace.
Precompiled header file.
#define CRYPTOPP_ASSERT(exp)
Debugging and diagnostic assertion.
Definition: trap.h:68