| 1 | /* |
| 2 | Copyright (C) 1999-2007 The Botan Project. All rights reserved. |
| 3 | |
| 4 | Redistribution and use in source and binary forms, for any use, with or without |
| 5 | modification, is permitted provided that the following conditions are met: |
| 6 | |
| 7 | 1. Redistributions of source code must retain the above copyright notice, this |
| 8 | list of conditions, and the following disclaimer. |
| 9 | |
| 10 | 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | this list of conditions, and the following disclaimer in the documentation |
| 12 | and/or other materials provided with the distribution. |
| 13 | |
| 14 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) "AS IS" AND ANY EXPRESS OR IMPLIED |
| 15 | WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 16 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED. |
| 17 | |
| 18 | IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE FOR ANY DIRECT, |
| 19 | INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 20 | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 21 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 22 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 23 | OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 24 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | */ |
| 26 | // LICENSEHEADER_END |
| 27 | namespace QCA { // WRAPNS_LINE |
| 28 | /************************************************* |
| 29 | * Comba Multiplication and Squaring Source File * |
| 30 | * (C) 1999-2007 The Botan Project * |
| 31 | *************************************************/ |
| 32 | |
| 33 | } // WRAPNS_LINE |
| 34 | #include <botan/mp_core.h> |
| 35 | namespace QCA { // WRAPNS_LINE |
| 36 | } // WRAPNS_LINE |
| 37 | #include <botan/mp_asmi.h> |
| 38 | namespace QCA { // WRAPNS_LINE |
| 39 | |
| 40 | namespace Botan { |
| 41 | |
| 42 | extern "C" { |
| 43 | |
| 44 | /************************************************* |
| 45 | * Comba 4x4 Multiplication * |
| 46 | *************************************************/ |
| 47 | void bigint_comba_mul4(word z[8], const word x[4], const word y[4]) |
| 48 | { |
| 49 | word w2 = 0, w1 = 0, w0 = 0; |
| 50 | |
| 51 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[0]); |
| 52 | z[0] = w0; |
| 53 | w0 = w1; |
| 54 | w1 = w2; |
| 55 | w2 = 0; |
| 56 | |
| 57 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[1]); |
| 58 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[0]); |
| 59 | z[1] = w0; |
| 60 | w0 = w1; |
| 61 | w1 = w2; |
| 62 | w2 = 0; |
| 63 | |
| 64 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[2]); |
| 65 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[1]); |
| 66 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[0]); |
| 67 | z[2] = w0; |
| 68 | w0 = w1; |
| 69 | w1 = w2; |
| 70 | w2 = 0; |
| 71 | |
| 72 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[3]); |
| 73 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[2]); |
| 74 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[1]); |
| 75 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[0]); |
| 76 | z[3] = w0; |
| 77 | w0 = w1; |
| 78 | w1 = w2; |
| 79 | w2 = 0; |
| 80 | |
| 81 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[3]); |
| 82 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[2]); |
| 83 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[1]); |
| 84 | z[4] = w0; |
| 85 | w0 = w1; |
| 86 | w1 = w2; |
| 87 | w2 = 0; |
| 88 | |
| 89 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[3]); |
| 90 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[2]); |
| 91 | z[5] = w0; |
| 92 | w0 = w1; |
| 93 | w1 = w2; |
| 94 | w2 = 0; |
| 95 | |
| 96 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[3]); |
| 97 | z[6] = w0; |
| 98 | z[7] = w1; |
| 99 | } |
| 100 | |
| 101 | /************************************************* |
| 102 | * Comba 6x6 Multiplication * |
| 103 | *************************************************/ |
| 104 | void bigint_comba_mul6(word z[12], const word x[6], const word y[6]) |
| 105 | { |
| 106 | word w2 = 0, w1 = 0, w0 = 0; |
| 107 | |
| 108 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[0]); |
| 109 | z[0] = w0; |
| 110 | w0 = w1; |
| 111 | w1 = w2; |
| 112 | w2 = 0; |
| 113 | |
| 114 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[1]); |
| 115 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[0]); |
| 116 | z[1] = w0; |
| 117 | w0 = w1; |
| 118 | w1 = w2; |
| 119 | w2 = 0; |
| 120 | |
| 121 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[2]); |
| 122 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[1]); |
| 123 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[0]); |
| 124 | z[2] = w0; |
| 125 | w0 = w1; |
| 126 | w1 = w2; |
| 127 | w2 = 0; |
| 128 | |
| 129 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[3]); |
| 130 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[2]); |
| 131 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[1]); |
| 132 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[0]); |
| 133 | z[3] = w0; |
| 134 | w0 = w1; |
| 135 | w1 = w2; |
| 136 | w2 = 0; |
| 137 | |
| 138 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[4]); |
| 139 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[3]); |
| 140 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[2]); |
| 141 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[1]); |
| 142 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[0]); |
| 143 | z[4] = w0; |
| 144 | w0 = w1; |
| 145 | w1 = w2; |
| 146 | w2 = 0; |
| 147 | |
| 148 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[5]); |
| 149 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[4]); |
| 150 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[3]); |
| 151 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[2]); |
| 152 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[1]); |
| 153 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[0]); |
| 154 | z[5] = w0; |
| 155 | w0 = w1; |
| 156 | w1 = w2; |
| 157 | w2 = 0; |
| 158 | |
| 159 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[5]); |
| 160 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[4]); |
| 161 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[3]); |
| 162 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[2]); |
| 163 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[1]); |
| 164 | z[6] = w0; |
| 165 | w0 = w1; |
| 166 | w1 = w2; |
| 167 | w2 = 0; |
| 168 | |
| 169 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[5]); |
| 170 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[4]); |
| 171 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[3]); |
| 172 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[2]); |
| 173 | z[7] = w0; |
| 174 | w0 = w1; |
| 175 | w1 = w2; |
| 176 | w2 = 0; |
| 177 | |
| 178 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[5]); |
| 179 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[4]); |
| 180 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[3]); |
| 181 | z[8] = w0; |
| 182 | w0 = w1; |
| 183 | w1 = w2; |
| 184 | w2 = 0; |
| 185 | |
| 186 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[5]); |
| 187 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[4]); |
| 188 | z[9] = w0; |
| 189 | w0 = w1; |
| 190 | w1 = w2; |
| 191 | w2 = 0; |
| 192 | |
| 193 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[5]); |
| 194 | z[10] = w0; |
| 195 | z[11] = w1; |
| 196 | } |
| 197 | |
| 198 | /************************************************* |
| 199 | * Comba 8x8 Multiplication * |
| 200 | *************************************************/ |
| 201 | void bigint_comba_mul8(word z[16], const word x[8], const word y[8]) |
| 202 | { |
| 203 | word w2 = 0, w1 = 0, w0 = 0; |
| 204 | |
| 205 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[0]); |
| 206 | z[0] = w0; |
| 207 | w0 = w1; |
| 208 | w1 = w2; |
| 209 | w2 = 0; |
| 210 | |
| 211 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[1]); |
| 212 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[0]); |
| 213 | z[1] = w0; |
| 214 | w0 = w1; |
| 215 | w1 = w2; |
| 216 | w2 = 0; |
| 217 | |
| 218 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[2]); |
| 219 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[1]); |
| 220 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[0]); |
| 221 | z[2] = w0; |
| 222 | w0 = w1; |
| 223 | w1 = w2; |
| 224 | w2 = 0; |
| 225 | |
| 226 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[3]); |
| 227 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[2]); |
| 228 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[1]); |
| 229 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[0]); |
| 230 | z[3] = w0; |
| 231 | w0 = w1; |
| 232 | w1 = w2; |
| 233 | w2 = 0; |
| 234 | |
| 235 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[4]); |
| 236 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[3]); |
| 237 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[2]); |
| 238 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[1]); |
| 239 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[0]); |
| 240 | z[4] = w0; |
| 241 | w0 = w1; |
| 242 | w1 = w2; |
| 243 | w2 = 0; |
| 244 | |
| 245 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[5]); |
| 246 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[4]); |
| 247 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[3]); |
| 248 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[2]); |
| 249 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[1]); |
| 250 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[0]); |
| 251 | z[5] = w0; |
| 252 | w0 = w1; |
| 253 | w1 = w2; |
| 254 | w2 = 0; |
| 255 | |
| 256 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[6]); |
| 257 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[5]); |
| 258 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[4]); |
| 259 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[3]); |
| 260 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[2]); |
| 261 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[1]); |
| 262 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[6], b: y[0]); |
| 263 | z[6] = w0; |
| 264 | w0 = w1; |
| 265 | w1 = w2; |
| 266 | w2 = 0; |
| 267 | |
| 268 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: y[7]); |
| 269 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[6]); |
| 270 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[5]); |
| 271 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[4]); |
| 272 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[3]); |
| 273 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[2]); |
| 274 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[6], b: y[1]); |
| 275 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[7], b: y[0]); |
| 276 | z[7] = w0; |
| 277 | w0 = w1; |
| 278 | w1 = w2; |
| 279 | w2 = 0; |
| 280 | |
| 281 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: y[7]); |
| 282 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[6]); |
| 283 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[5]); |
| 284 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[4]); |
| 285 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[3]); |
| 286 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[6], b: y[2]); |
| 287 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[7], b: y[1]); |
| 288 | z[8] = w0; |
| 289 | w0 = w1; |
| 290 | w1 = w2; |
| 291 | w2 = 0; |
| 292 | |
| 293 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: y[7]); |
| 294 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[6]); |
| 295 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[5]); |
| 296 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[4]); |
| 297 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[6], b: y[3]); |
| 298 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[7], b: y[2]); |
| 299 | z[9] = w0; |
| 300 | w0 = w1; |
| 301 | w1 = w2; |
| 302 | w2 = 0; |
| 303 | |
| 304 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: y[7]); |
| 305 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[6]); |
| 306 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[5]); |
| 307 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[6], b: y[4]); |
| 308 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[7], b: y[3]); |
| 309 | z[10] = w0; |
| 310 | w0 = w1; |
| 311 | w1 = w2; |
| 312 | w2 = 0; |
| 313 | |
| 314 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: y[7]); |
| 315 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[6]); |
| 316 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[6], b: y[5]); |
| 317 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[7], b: y[4]); |
| 318 | z[11] = w0; |
| 319 | w0 = w1; |
| 320 | w1 = w2; |
| 321 | w2 = 0; |
| 322 | |
| 323 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: y[7]); |
| 324 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[6], b: y[6]); |
| 325 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[7], b: y[5]); |
| 326 | z[12] = w0; |
| 327 | w0 = w1; |
| 328 | w1 = w2; |
| 329 | w2 = 0; |
| 330 | |
| 331 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[6], b: y[7]); |
| 332 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[7], b: y[6]); |
| 333 | z[13] = w0; |
| 334 | w0 = w1; |
| 335 | w1 = w2; |
| 336 | w2 = 0; |
| 337 | |
| 338 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[7], b: y[7]); |
| 339 | z[14] = w0; |
| 340 | z[15] = w1; |
| 341 | } |
| 342 | |
| 343 | /************************************************* |
| 344 | * Comba 4x4 Squaring * |
| 345 | *************************************************/ |
| 346 | void bigint_comba_sqr4(word z[8], const word x[4]) |
| 347 | { |
| 348 | word w2 = 0, w1 = 0, w0 = 0; |
| 349 | |
| 350 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[0]); |
| 351 | z[0] = w0; |
| 352 | w0 = w1; |
| 353 | w1 = w2; |
| 354 | w2 = 0; |
| 355 | |
| 356 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[1]); |
| 357 | z[1] = w0; |
| 358 | w0 = w1; |
| 359 | w1 = w2; |
| 360 | w2 = 0; |
| 361 | |
| 362 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[2]); |
| 363 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[1]); |
| 364 | z[2] = w0; |
| 365 | w0 = w1; |
| 366 | w1 = w2; |
| 367 | w2 = 0; |
| 368 | |
| 369 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[3]); |
| 370 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[2]); |
| 371 | z[3] = w0; |
| 372 | w0 = w1; |
| 373 | w1 = w2; |
| 374 | w2 = 0; |
| 375 | |
| 376 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[3]); |
| 377 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: x[2]); |
| 378 | z[4] = w0; |
| 379 | w0 = w1; |
| 380 | w1 = w2; |
| 381 | w2 = 0; |
| 382 | |
| 383 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: x[3]); |
| 384 | z[5] = w0; |
| 385 | w0 = w1; |
| 386 | w1 = w2; |
| 387 | w2 = 0; |
| 388 | |
| 389 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: x[3]); |
| 390 | z[6] = w0; |
| 391 | z[7] = w1; |
| 392 | } |
| 393 | |
| 394 | /************************************************* |
| 395 | * Comba 6x6 Squaring * |
| 396 | *************************************************/ |
| 397 | void bigint_comba_sqr6(word z[12], const word x[6]) |
| 398 | { |
| 399 | word w2 = 0, w1 = 0, w0 = 0; |
| 400 | |
| 401 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[0]); |
| 402 | z[0] = w0; |
| 403 | w0 = w1; |
| 404 | w1 = w2; |
| 405 | w2 = 0; |
| 406 | |
| 407 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[1]); |
| 408 | z[1] = w0; |
| 409 | w0 = w1; |
| 410 | w1 = w2; |
| 411 | w2 = 0; |
| 412 | |
| 413 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[2]); |
| 414 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[1]); |
| 415 | z[2] = w0; |
| 416 | w0 = w1; |
| 417 | w1 = w2; |
| 418 | w2 = 0; |
| 419 | |
| 420 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[3]); |
| 421 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[2]); |
| 422 | z[3] = w0; |
| 423 | w0 = w1; |
| 424 | w1 = w2; |
| 425 | w2 = 0; |
| 426 | |
| 427 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[4]); |
| 428 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[3]); |
| 429 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: x[2]); |
| 430 | z[4] = w0; |
| 431 | w0 = w1; |
| 432 | w1 = w2; |
| 433 | w2 = 0; |
| 434 | |
| 435 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[5]); |
| 436 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[4]); |
| 437 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: x[3]); |
| 438 | z[5] = w0; |
| 439 | w0 = w1; |
| 440 | w1 = w2; |
| 441 | w2 = 0; |
| 442 | |
| 443 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[5]); |
| 444 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: x[4]); |
| 445 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: x[3]); |
| 446 | z[6] = w0; |
| 447 | w0 = w1; |
| 448 | w1 = w2; |
| 449 | w2 = 0; |
| 450 | |
| 451 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: x[5]); |
| 452 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: x[4]); |
| 453 | z[7] = w0; |
| 454 | w0 = w1; |
| 455 | w1 = w2; |
| 456 | w2 = 0; |
| 457 | |
| 458 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: x[5]); |
| 459 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: x[4]); |
| 460 | z[8] = w0; |
| 461 | w0 = w1; |
| 462 | w1 = w2; |
| 463 | w2 = 0; |
| 464 | |
| 465 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: x[5]); |
| 466 | z[9] = w0; |
| 467 | w0 = w1; |
| 468 | w1 = w2; |
| 469 | w2 = 0; |
| 470 | |
| 471 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: x[5]); |
| 472 | z[10] = w0; |
| 473 | z[11] = w1; |
| 474 | } |
| 475 | |
| 476 | /************************************************* |
| 477 | * Comba 8x8 Squaring * |
| 478 | *************************************************/ |
| 479 | void bigint_comba_sqr8(word z[16], const word x[8]) |
| 480 | { |
| 481 | word w2 = 0, w1 = 0, w0 = 0; |
| 482 | |
| 483 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[0]); |
| 484 | z[0] = w0; |
| 485 | w0 = w1; |
| 486 | w1 = w2; |
| 487 | w2 = 0; |
| 488 | |
| 489 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[1]); |
| 490 | z[1] = w0; |
| 491 | w0 = w1; |
| 492 | w1 = w2; |
| 493 | w2 = 0; |
| 494 | |
| 495 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[2]); |
| 496 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[1]); |
| 497 | z[2] = w0; |
| 498 | w0 = w1; |
| 499 | w1 = w2; |
| 500 | w2 = 0; |
| 501 | |
| 502 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[3]); |
| 503 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[2]); |
| 504 | z[3] = w0; |
| 505 | w0 = w1; |
| 506 | w1 = w2; |
| 507 | w2 = 0; |
| 508 | |
| 509 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[4]); |
| 510 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[3]); |
| 511 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: x[2]); |
| 512 | z[4] = w0; |
| 513 | w0 = w1; |
| 514 | w1 = w2; |
| 515 | w2 = 0; |
| 516 | |
| 517 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[5]); |
| 518 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[4]); |
| 519 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: x[3]); |
| 520 | z[5] = w0; |
| 521 | w0 = w1; |
| 522 | w1 = w2; |
| 523 | w2 = 0; |
| 524 | |
| 525 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[6]); |
| 526 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[5]); |
| 527 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: x[4]); |
| 528 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: x[3]); |
| 529 | z[6] = w0; |
| 530 | w0 = w1; |
| 531 | w1 = w2; |
| 532 | w2 = 0; |
| 533 | |
| 534 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[0], b: x[7]); |
| 535 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[6]); |
| 536 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: x[5]); |
| 537 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: x[4]); |
| 538 | z[7] = w0; |
| 539 | w0 = w1; |
| 540 | w1 = w2; |
| 541 | w2 = 0; |
| 542 | |
| 543 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[1], b: x[7]); |
| 544 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: x[6]); |
| 545 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: x[5]); |
| 546 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: x[4]); |
| 547 | z[8] = w0; |
| 548 | w0 = w1; |
| 549 | w1 = w2; |
| 550 | w2 = 0; |
| 551 | |
| 552 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[2], b: x[7]); |
| 553 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: x[6]); |
| 554 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: x[5]); |
| 555 | z[9] = w0; |
| 556 | w0 = w1; |
| 557 | w1 = w2; |
| 558 | w2 = 0; |
| 559 | |
| 560 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[3], b: x[7]); |
| 561 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: x[6]); |
| 562 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: x[5]); |
| 563 | z[10] = w0; |
| 564 | w0 = w1; |
| 565 | w1 = w2; |
| 566 | w2 = 0; |
| 567 | |
| 568 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[4], b: x[7]); |
| 569 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: x[6]); |
| 570 | z[11] = w0; |
| 571 | w0 = w1; |
| 572 | w1 = w2; |
| 573 | w2 = 0; |
| 574 | |
| 575 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[5], b: x[7]); |
| 576 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[6], b: x[6]); |
| 577 | z[12] = w0; |
| 578 | w0 = w1; |
| 579 | w1 = w2; |
| 580 | w2 = 0; |
| 581 | |
| 582 | word3_muladd_2(w2: &w2, w1: &w1, w0: &w0, a: x[6], b: x[7]); |
| 583 | z[13] = w0; |
| 584 | w0 = w1; |
| 585 | w1 = w2; |
| 586 | w2 = 0; |
| 587 | |
| 588 | word3_muladd(w2: &w2, w1: &w1, w0: &w0, a: x[7], b: x[7]); |
| 589 | z[14] = w0; |
| 590 | z[15] = w1; |
| 591 | } |
| 592 | } |
| 593 | |
| 594 | } |
| 595 | } // WRAPNS_LINE |
| 596 | |