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;
26 using CryptoPP::rotlConstant;
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 
SetKey128(word32 rkey[144],const word32 key[4])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 
SetKey192(word32 rkey[168],const word32 key[6])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 
SetKey256(word32 rkey[192],const word32 key[8])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 
AlgorithmProvider() const576 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 
UncheckedSetKey(const byte * userKey,unsigned int keyLength,const NameValuePairs & params)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 
ProcessAndXorBlock(const byte * inBlock,const byte * xorBlock,byte * outBlock) const623 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 
ProcessAndXorBlock(const byte * inBlock,const byte * xorBlock,byte * outBlock) const743 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
AdvancedProcessBlocks(const byte * inBlocks,const byte * xorBlocks,byte * outBlocks,size_t length,word32 flags) const864 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 
AdvancedProcessBlocks(const byte * inBlocks,const byte * xorBlocks,byte * outBlocks,size_t length,word32 flags) const881 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
900