| File: | src/lib/libcrypto/bn/bn_nist.c |
| Warning: | line 696, column 3 Value stored to 'carry' is never read |
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| 1 | /* $OpenBSD: bn_nist.c,v 1.19 2021/11/09 18:40:20 bcook Exp $ */ |
| 2 | /* |
| 3 | * Written by Nils Larsch for the OpenSSL project |
| 4 | */ |
| 5 | /* ==================================================================== |
| 6 | * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * |
| 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in |
| 17 | * the documentation and/or other materials provided with the |
| 18 | * distribution. |
| 19 | * |
| 20 | * 3. All advertising materials mentioning features or use of this |
| 21 | * software must display the following acknowledgment: |
| 22 | * "This product includes software developed by the OpenSSL Project |
| 23 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| 24 | * |
| 25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 26 | * endorse or promote products derived from this software without |
| 27 | * prior written permission. For written permission, please contact |
| 28 | * openssl-core@openssl.org. |
| 29 | * |
| 30 | * 5. Products derived from this software may not be called "OpenSSL" |
| 31 | * nor may "OpenSSL" appear in their names without prior written |
| 32 | * permission of the OpenSSL Project. |
| 33 | * |
| 34 | * 6. Redistributions of any form whatsoever must retain the following |
| 35 | * acknowledgment: |
| 36 | * "This product includes software developed by the OpenSSL Project |
| 37 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| 38 | * |
| 39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 50 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 51 | * ==================================================================== |
| 52 | * |
| 53 | * This product includes cryptographic software written by Eric Young |
| 54 | * (eay@cryptsoft.com). This product includes software written by Tim |
| 55 | * Hudson (tjh@cryptsoft.com). |
| 56 | * |
| 57 | */ |
| 58 | |
| 59 | #include <endian.h> |
| 60 | #include <stdint.h> |
| 61 | #include <string.h> |
| 62 | |
| 63 | #include "bn_lcl.h" |
| 64 | |
| 65 | #define BN_NIST_192_TOP(192+64 -1)/64 (192+BN_BITS264-1)/BN_BITS264 |
| 66 | #define BN_NIST_224_TOP(224+64 -1)/64 (224+BN_BITS264-1)/BN_BITS264 |
| 67 | #define BN_NIST_256_TOP(256+64 -1)/64 (256+BN_BITS264-1)/BN_BITS264 |
| 68 | #define BN_NIST_384_TOP(384+64 -1)/64 (384+BN_BITS264-1)/BN_BITS264 |
| 69 | #define BN_NIST_521_TOP(521+64 -1)/64 (521+BN_BITS264-1)/BN_BITS264 |
| 70 | |
| 71 | /* pre-computed tables are "carry-less" values of modulus*(i+1) */ |
| 72 | #if BN_BITS264 == 64 |
| 73 | static const BN_ULONGunsigned long _nist_p_192[][BN_NIST_192_TOP(192+64 -1)/64] = { |
| 74 | {0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFEULL, 0xFFFFFFFFFFFFFFFFULL}, |
| 75 | {0xFFFFFFFFFFFFFFFEULL, 0xFFFFFFFFFFFFFFFDULL, 0xFFFFFFFFFFFFFFFFULL}, |
| 76 | {0xFFFFFFFFFFFFFFFDULL, 0xFFFFFFFFFFFFFFFCULL, 0xFFFFFFFFFFFFFFFFULL} |
| 77 | }; |
| 78 | static const BN_ULONGunsigned long _nist_p_192_sqr[] = { |
| 79 | 0x0000000000000001ULL, 0x0000000000000002ULL, 0x0000000000000001ULL, |
| 80 | 0xFFFFFFFFFFFFFFFEULL, 0xFFFFFFFFFFFFFFFDULL, 0xFFFFFFFFFFFFFFFFULL |
| 81 | }; |
| 82 | static const BN_ULONGunsigned long _nist_p_224[][BN_NIST_224_TOP(224+64 -1)/64] = { |
| 83 | { |
| 84 | 0x0000000000000001ULL, 0xFFFFFFFF00000000ULL, |
| 85 | 0xFFFFFFFFFFFFFFFFULL, 0x00000000FFFFFFFFULL |
| 86 | }, |
| 87 | { |
| 88 | 0x0000000000000002ULL, 0xFFFFFFFE00000000ULL, |
| 89 | 0xFFFFFFFFFFFFFFFFULL, 0x00000001FFFFFFFFULL |
| 90 | } /* this one is "carry-full" */ |
| 91 | }; |
| 92 | static const BN_ULONGunsigned long _nist_p_224_sqr[] = { |
| 93 | 0x0000000000000001ULL, 0xFFFFFFFE00000000ULL, |
| 94 | 0xFFFFFFFFFFFFFFFFULL, 0x0000000200000000ULL, |
| 95 | 0x0000000000000000ULL, 0xFFFFFFFFFFFFFFFEULL, |
| 96 | 0xFFFFFFFFFFFFFFFFULL |
| 97 | }; |
| 98 | static const BN_ULONGunsigned long _nist_p_256[][BN_NIST_256_TOP(256+64 -1)/64] = { |
| 99 | { |
| 100 | 0xFFFFFFFFFFFFFFFFULL, 0x00000000FFFFFFFFULL, |
| 101 | 0x0000000000000000ULL, 0xFFFFFFFF00000001ULL |
| 102 | }, |
| 103 | { |
| 104 | 0xFFFFFFFFFFFFFFFEULL, 0x00000001FFFFFFFFULL, |
| 105 | 0x0000000000000000ULL, 0xFFFFFFFE00000002ULL |
| 106 | }, |
| 107 | { |
| 108 | 0xFFFFFFFFFFFFFFFDULL, 0x00000002FFFFFFFFULL, |
| 109 | 0x0000000000000000ULL, 0xFFFFFFFD00000003ULL |
| 110 | }, |
| 111 | { |
| 112 | 0xFFFFFFFFFFFFFFFCULL, 0x00000003FFFFFFFFULL, |
| 113 | 0x0000000000000000ULL, 0xFFFFFFFC00000004ULL |
| 114 | }, |
| 115 | { |
| 116 | 0xFFFFFFFFFFFFFFFBULL, 0x00000004FFFFFFFFULL, |
| 117 | 0x0000000000000000ULL, 0xFFFFFFFB00000005ULL |
| 118 | }, |
| 119 | }; |
| 120 | static const BN_ULONGunsigned long _nist_p_256_sqr[] = { |
| 121 | 0x0000000000000001ULL, 0xFFFFFFFE00000000ULL, |
| 122 | 0xFFFFFFFFFFFFFFFFULL, 0x00000001FFFFFFFEULL, |
| 123 | 0x00000001FFFFFFFEULL, 0x00000001FFFFFFFEULL, |
| 124 | 0xFFFFFFFE00000001ULL, 0xFFFFFFFE00000002ULL |
| 125 | }; |
| 126 | static const BN_ULONGunsigned long _nist_p_384[][BN_NIST_384_TOP(384+64 -1)/64] = { |
| 127 | { |
| 128 | 0x00000000FFFFFFFFULL, 0xFFFFFFFF00000000ULL, |
| 129 | 0xFFFFFFFFFFFFFFFEULL, 0xFFFFFFFFFFFFFFFFULL, |
| 130 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL |
| 131 | }, |
| 132 | { |
| 133 | 0x00000001FFFFFFFEULL, 0xFFFFFFFE00000000ULL, |
| 134 | 0xFFFFFFFFFFFFFFFDULL, 0xFFFFFFFFFFFFFFFFULL, |
| 135 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL |
| 136 | }, |
| 137 | { |
| 138 | 0x00000002FFFFFFFDULL, 0xFFFFFFFD00000000ULL, |
| 139 | 0xFFFFFFFFFFFFFFFCULL, 0xFFFFFFFFFFFFFFFFULL, |
| 140 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL |
| 141 | }, |
| 142 | { |
| 143 | 0x00000003FFFFFFFCULL, 0xFFFFFFFC00000000ULL, |
| 144 | 0xFFFFFFFFFFFFFFFBULL, 0xFFFFFFFFFFFFFFFFULL, |
| 145 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL |
| 146 | }, |
| 147 | { |
| 148 | 0x00000004FFFFFFFBULL, 0xFFFFFFFB00000000ULL, |
| 149 | 0xFFFFFFFFFFFFFFFAULL, 0xFFFFFFFFFFFFFFFFULL, |
| 150 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL |
| 151 | }, |
| 152 | }; |
| 153 | static const BN_ULONGunsigned long _nist_p_384_sqr[] = { |
| 154 | 0xFFFFFFFE00000001ULL, 0x0000000200000000ULL, 0xFFFFFFFE00000000ULL, |
| 155 | 0x0000000200000000ULL, 0x0000000000000001ULL, 0x0000000000000000ULL, |
| 156 | 0x00000001FFFFFFFEULL, 0xFFFFFFFE00000000ULL, 0xFFFFFFFFFFFFFFFDULL, |
| 157 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL |
| 158 | }; |
| 159 | static const BN_ULONGunsigned long _nist_p_521[] = { |
| 160 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, |
| 161 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, |
| 162 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0x00000000000001FFULL |
| 163 | }; |
| 164 | static const BN_ULONGunsigned long _nist_p_521_sqr[] = { |
| 165 | 0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 166 | 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 167 | 0x0000000000000000ULL, 0x0000000000000000ULL, 0xFFFFFFFFFFFFFC00ULL, |
| 168 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, |
| 169 | 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL, |
| 170 | 0xFFFFFFFFFFFFFFFFULL, 0x000000000003FFFFULL |
| 171 | }; |
| 172 | #elif BN_BITS264 == 32 |
| 173 | static const BN_ULONGunsigned long _nist_p_192[][BN_NIST_192_TOP(192+64 -1)/64] = { |
| 174 | { |
| 175 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE, 0xFFFFFFFF, |
| 176 | 0xFFFFFFFF, 0xFFFFFFFF |
| 177 | }, |
| 178 | { |
| 179 | 0xFFFFFFFE, 0xFFFFFFFF, 0xFFFFFFFD, 0xFFFFFFFF, |
| 180 | 0xFFFFFFFF, 0xFFFFFFFF |
| 181 | }, |
| 182 | { |
| 183 | 0xFFFFFFFD, 0xFFFFFFFF, 0xFFFFFFFC, 0xFFFFFFFF, |
| 184 | 0xFFFFFFFF, 0xFFFFFFFF |
| 185 | } |
| 186 | }; |
| 187 | static const BN_ULONGunsigned long _nist_p_192_sqr[] = { |
| 188 | 0x00000001, 0x00000000, 0x00000002, 0x00000000, 0x00000001, 0x00000000, |
| 189 | 0xFFFFFFFE, 0xFFFFFFFF, 0xFFFFFFFD, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF |
| 190 | }; |
| 191 | static const BN_ULONGunsigned long _nist_p_224[][BN_NIST_224_TOP(224+64 -1)/64] = { |
| 192 | { |
| 193 | 0x00000001, 0x00000000, 0x00000000, 0xFFFFFFFF, |
| 194 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF |
| 195 | }, |
| 196 | { |
| 197 | 0x00000002, 0x00000000, 0x00000000, 0xFFFFFFFE, |
| 198 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF |
| 199 | } |
| 200 | }; |
| 201 | static const BN_ULONGunsigned long _nist_p_224_sqr[] = { |
| 202 | 0x00000001, 0x00000000, 0x00000000, 0xFFFFFFFE, |
| 203 | 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000002, |
| 204 | 0x00000000, 0x00000000, 0xFFFFFFFE, 0xFFFFFFFF, |
| 205 | 0xFFFFFFFF, 0xFFFFFFFF |
| 206 | }; |
| 207 | static const BN_ULONGunsigned long _nist_p_256[][BN_NIST_256_TOP(256+64 -1)/64] = { |
| 208 | { |
| 209 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, |
| 210 | 0x00000000, 0x00000000, 0x00000001, 0xFFFFFFFF |
| 211 | }, |
| 212 | { |
| 213 | 0xFFFFFFFE, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000001, |
| 214 | 0x00000000, 0x00000000, 0x00000002, 0xFFFFFFFE |
| 215 | }, |
| 216 | { |
| 217 | 0xFFFFFFFD, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000002, |
| 218 | 0x00000000, 0x00000000, 0x00000003, 0xFFFFFFFD |
| 219 | }, |
| 220 | { |
| 221 | 0xFFFFFFFC, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000003, |
| 222 | 0x00000000, 0x00000000, 0x00000004, 0xFFFFFFFC |
| 223 | }, |
| 224 | { |
| 225 | 0xFFFFFFFB, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000004, |
| 226 | 0x00000000, 0x00000000, 0x00000005, 0xFFFFFFFB |
| 227 | }, |
| 228 | }; |
| 229 | static const BN_ULONGunsigned long _nist_p_256_sqr[] = { |
| 230 | 0x00000001, 0x00000000, 0x00000000, 0xFFFFFFFE, |
| 231 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE, 0x00000001, |
| 232 | 0xFFFFFFFE, 0x00000001, 0xFFFFFFFE, 0x00000001, |
| 233 | 0x00000001, 0xFFFFFFFE, 0x00000002, 0xFFFFFFFE |
| 234 | }; |
| 235 | static const BN_ULONGunsigned long _nist_p_384[][BN_NIST_384_TOP(384+64 -1)/64] = { |
| 236 | { |
| 237 | 0xFFFFFFFF, 0x00000000, 0x00000000, 0xFFFFFFFF, |
| 238 | 0xFFFFFFFE, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
| 239 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF |
| 240 | }, |
| 241 | { |
| 242 | 0xFFFFFFFE, 0x00000001, 0x00000000, 0xFFFFFFFE, |
| 243 | 0xFFFFFFFD, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
| 244 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF |
| 245 | }, |
| 246 | { |
| 247 | 0xFFFFFFFD, 0x00000002, 0x00000000, 0xFFFFFFFD, |
| 248 | 0xFFFFFFFC, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
| 249 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF |
| 250 | }, |
| 251 | { |
| 252 | 0xFFFFFFFC, 0x00000003, 0x00000000, 0xFFFFFFFC, |
| 253 | 0xFFFFFFFB, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
| 254 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF |
| 255 | }, |
| 256 | { |
| 257 | 0xFFFFFFFB, 0x00000004, 0x00000000, 0xFFFFFFFB, |
| 258 | 0xFFFFFFFA, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
| 259 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF |
| 260 | }, |
| 261 | }; |
| 262 | static const BN_ULONGunsigned long _nist_p_384_sqr[] = { |
| 263 | 0x00000001, 0xFFFFFFFE, 0x00000000, 0x00000002, 0x00000000, 0xFFFFFFFE, |
| 264 | 0x00000000, 0x00000002, 0x00000001, 0x00000000, 0x00000000, 0x00000000, |
| 265 | 0xFFFFFFFE, 0x00000001, 0x00000000, 0xFFFFFFFE, 0xFFFFFFFD, 0xFFFFFFFF, |
| 266 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF |
| 267 | }; |
| 268 | static const BN_ULONGunsigned long _nist_p_521[] = { |
| 269 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
| 270 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
| 271 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
| 272 | 0xFFFFFFFF, 0x000001FF |
| 273 | }; |
| 274 | static const BN_ULONGunsigned long _nist_p_521_sqr[] = { |
| 275 | 0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, |
| 276 | 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, |
| 277 | 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xFFFFFC00, 0xFFFFFFFF, |
| 278 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
| 279 | 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, |
| 280 | 0xFFFFFFFF, 0xFFFFFFFF, 0x0003FFFF |
| 281 | }; |
| 282 | #else |
| 283 | #error "unsupported BN_BITS2" |
| 284 | #endif |
| 285 | |
| 286 | static const BIGNUM _bignum_nist_p_192 = { |
| 287 | (BN_ULONGunsigned long *)_nist_p_192[0], |
| 288 | BN_NIST_192_TOP(192+64 -1)/64, |
| 289 | BN_NIST_192_TOP(192+64 -1)/64, |
| 290 | 0, |
| 291 | BN_FLG_STATIC_DATA0x02 |
| 292 | }; |
| 293 | |
| 294 | static const BIGNUM _bignum_nist_p_224 = { |
| 295 | (BN_ULONGunsigned long *)_nist_p_224[0], |
| 296 | BN_NIST_224_TOP(224+64 -1)/64, |
| 297 | BN_NIST_224_TOP(224+64 -1)/64, |
| 298 | 0, |
| 299 | BN_FLG_STATIC_DATA0x02 |
| 300 | }; |
| 301 | |
| 302 | static const BIGNUM _bignum_nist_p_256 = { |
| 303 | (BN_ULONGunsigned long *)_nist_p_256[0], |
| 304 | BN_NIST_256_TOP(256+64 -1)/64, |
| 305 | BN_NIST_256_TOP(256+64 -1)/64, |
| 306 | 0, |
| 307 | BN_FLG_STATIC_DATA0x02 |
| 308 | }; |
| 309 | |
| 310 | static const BIGNUM _bignum_nist_p_384 = { |
| 311 | (BN_ULONGunsigned long *)_nist_p_384[0], |
| 312 | BN_NIST_384_TOP(384+64 -1)/64, |
| 313 | BN_NIST_384_TOP(384+64 -1)/64, |
| 314 | 0, |
| 315 | BN_FLG_STATIC_DATA0x02 |
| 316 | }; |
| 317 | |
| 318 | static const BIGNUM _bignum_nist_p_521 = { |
| 319 | (BN_ULONGunsigned long *)_nist_p_521, |
| 320 | BN_NIST_521_TOP(521+64 -1)/64, |
| 321 | BN_NIST_521_TOP(521+64 -1)/64, |
| 322 | 0, |
| 323 | BN_FLG_STATIC_DATA0x02 |
| 324 | }; |
| 325 | |
| 326 | |
| 327 | const BIGNUM * |
| 328 | BN_get0_nist_prime_192(void) |
| 329 | { |
| 330 | return &_bignum_nist_p_192; |
| 331 | } |
| 332 | |
| 333 | const BIGNUM * |
| 334 | BN_get0_nist_prime_224(void) |
| 335 | { |
| 336 | return &_bignum_nist_p_224; |
| 337 | } |
| 338 | |
| 339 | const BIGNUM * |
| 340 | BN_get0_nist_prime_256(void) |
| 341 | { |
| 342 | return &_bignum_nist_p_256; |
| 343 | } |
| 344 | |
| 345 | const BIGNUM * |
| 346 | BN_get0_nist_prime_384(void) |
| 347 | { |
| 348 | return &_bignum_nist_p_384; |
| 349 | } |
| 350 | |
| 351 | const BIGNUM * |
| 352 | BN_get0_nist_prime_521(void) |
| 353 | { |
| 354 | return &_bignum_nist_p_521; |
| 355 | } |
| 356 | |
| 357 | static void |
| 358 | nist_cp_bn_0(BN_ULONGunsigned long *dst, const BN_ULONGunsigned long *src, int top, int max) |
| 359 | { |
| 360 | int i; |
| 361 | |
| 362 | #ifdef BN_DEBUG |
| 363 | OPENSSL_assert(top <= max)(void)((top <= max) ? 0 : (OpenSSLDie("/usr/src/lib/libcrypto/bn/bn_nist.c" , 363, "top <= max"),1)); |
| 364 | #endif |
| 365 | for (i = 0; i < top; i++) |
| 366 | dst[i] = src[i]; |
| 367 | for (; i < max; i++) |
| 368 | dst[i] = 0; |
| 369 | } |
| 370 | |
| 371 | static void nist_cp_bn(BN_ULONGunsigned long *dst, const BN_ULONGunsigned long *src, int top) |
| 372 | { |
| 373 | int i; |
| 374 | |
| 375 | for (i = 0; i < top; i++) |
| 376 | dst[i] = src[i]; |
| 377 | } |
| 378 | |
| 379 | #if BN_BITS264 == 64 |
| 380 | #define bn_cp_64(to, n, from, m)(to)[n] = (m>=0)?((from)[m]):0; (to)[n] = (m>=0)?((from)[m]):0; |
| 381 | #define bn_64_set_0(to, n)(to)[n] = (unsigned long)0; (to)[n] = (BN_ULONGunsigned long)0; |
| 382 | /* |
| 383 | * two following macros are implemented under assumption that they |
| 384 | * are called in a sequence with *ascending* n, i.e. as they are... |
| 385 | */ |
| 386 | #define bn_cp_32_naked(to, n, from, m)(((n)&1)?(to[(n)/2]|=((m)&1)?(from[(m)/2]&(0xffffffff00000000L )):(from[(m)/2]<<32)) :(to[(n)/2] =((m)&1)?(from[(m )/2]>>32):(from[(m)/2]&(0xffffffffL)))) (((n)&1)?(to[(n)/2]|=((m)&1)?(from[(m)/2]&BN_MASK2h(0xffffffff00000000L)):(from[(m)/2]<<32))\ |
| 387 | :(to[(n)/2] =((m)&1)?(from[(m)/2]>>32):(from[(m)/2]&BN_MASK2l(0xffffffffL)))) |
| 388 | #define bn_32_set_0(to, n)(((n)&1)?(to[(n)/2]&=(0xffffffffL)):(to[(n)/2]=0)); (((n)&1)?(to[(n)/2]&=BN_MASK2l(0xffffffffL)):(to[(n)/2]=0)); |
| 389 | #define bn_cp_32(to,n,from,m)((m)>=0)?(((n)&1)?(to[(n)/2]|=((m)&1)?(from[(m)/2] &(0xffffffff00000000L)):(from[(m)/2]<<32)) :(to[(n) /2] =((m)&1)?(from[(m)/2]>>32):(from[(m)/2]&(0xffffffffL )))):(((n)&1)?(to[(n)/2]&=(0xffffffffL)):(to[(n)/2]=0 )); ((m)>=0)?bn_cp_32_naked(to,n,from,m)(((n)&1)?(to[(n)/2]|=((m)&1)?(from[(m)/2]&(0xffffffff00000000L )):(from[(m)/2]<<32)) :(to[(n)/2] =((m)&1)?(from[(m )/2]>>32):(from[(m)/2]&(0xffffffffL)))):bn_32_set_0(to,n)(((n)&1)?(to[(n)/2]&=(0xffffffffL)):(to[(n)/2]=0)); |
| 390 | # if BYTE_ORDER1234 == LITTLE_ENDIAN1234 |
| 391 | # if defined(_LP641) |
| 392 | # define NIST_INT64long long |
| 393 | # else |
| 394 | # define NIST_INT64long long long |
| 395 | # endif |
| 396 | # endif |
| 397 | #else |
| 398 | #define bn_cp_64(to, n, from, m)(to)[n] = (m>=0)?((from)[m]):0; \ |
| 399 | { \ |
| 400 | bn_cp_32(to, (n)*2, from, (m)*2)(((m)*2)>=0)?((((n)*2)&1)?(to[((n)*2)/2]|=(((m)*2)& 1)?(from[((m)*2)/2]&(0xffffffff00000000L)):(from[((m)*2)/ 2]<<32)) :(to[((n)*2)/2] =(((m)*2)&1)?(from[((m)*2) /2]>>32):(from[((m)*2)/2]&(0xffffffffL)))):((((n)*2 )&1)?(to[((n)*2)/2]&=(0xffffffffL)):(to[((n)*2)/2]=0) );; \ |
| 401 | bn_cp_32(to, (n)*2+1, from, (m)*2+1)(((m)*2+1)>=0)?((((n)*2+1)&1)?(to[((n)*2+1)/2]|=(((m)* 2+1)&1)?(from[((m)*2+1)/2]&(0xffffffff00000000L)):(from [((m)*2+1)/2]<<32)) :(to[((n)*2+1)/2] =(((m)*2+1)&1 )?(from[((m)*2+1)/2]>>32):(from[((m)*2+1)/2]&(0xffffffffL )))):((((n)*2+1)&1)?(to[((n)*2+1)/2]&=(0xffffffffL)): (to[((n)*2+1)/2]=0));; \ |
| 402 | } |
| 403 | #define bn_64_set_0(to, n)(to)[n] = (unsigned long)0; \ |
| 404 | { \ |
| 405 | bn_32_set_0(to, (n)*2)((((n)*2)&1)?(to[((n)*2)/2]&=(0xffffffffL)):(to[((n)* 2)/2]=0));; \ |
| 406 | bn_32_set_0(to, (n)*2+1)((((n)*2+1)&1)?(to[((n)*2+1)/2]&=(0xffffffffL)):(to[( (n)*2+1)/2]=0));; \ |
| 407 | } |
| 408 | #define bn_cp_32(to, n, from, m)((m)>=0)?(((n)&1)?(to[(n)/2]|=((m)&1)?(from[(m)/2] &(0xffffffff00000000L)):(from[(m)/2]<<32)) :(to[(n) /2] =((m)&1)?(from[(m)/2]>>32):(from[(m)/2]&(0xffffffffL )))):(((n)&1)?(to[(n)/2]&=(0xffffffffL)):(to[(n)/2]=0 )); (to)[n] = (m>=0)?((from)[m]):0; |
| 409 | #define bn_32_set_0(to, n)(((n)&1)?(to[(n)/2]&=(0xffffffffL)):(to[(n)/2]=0)); (to)[n] = (BN_ULONGunsigned long)0; |
| 410 | # if defined(BN_LLONG) |
| 411 | # define NIST_INT64long long long |
| 412 | # endif |
| 413 | #endif /* BN_BITS2 != 64 */ |
| 414 | |
| 415 | #define nist_set_192(to, from, a1, a2, a3){ (to)[0] = ((a3) - 3>=0)?((from)[(a3) - 3]):0; (to)[1] = ( (a2) - 3>=0)?((from)[(a2) - 3]):0; (to)[2] = ((a1) - 3>= 0)?((from)[(a1) - 3]):0; } \ |
| 416 | { \ |
| 417 | bn_cp_64(to, 0, from, (a3) - 3)(to)[0] = ((a3) - 3>=0)?((from)[(a3) - 3]):0; \ |
| 418 | bn_cp_64(to, 1, from, (a2) - 3)(to)[1] = ((a2) - 3>=0)?((from)[(a2) - 3]):0; \ |
| 419 | bn_cp_64(to, 2, from, (a1) - 3)(to)[2] = ((a1) - 3>=0)?((from)[(a1) - 3]):0; \ |
| 420 | } |
| 421 | |
| 422 | int |
| 423 | BN_nist_mod_192(BIGNUM *r, const BIGNUM *a, const BIGNUM *field, BN_CTX *ctx) |
| 424 | { |
| 425 | int top = a->top, i; |
| 426 | int carry; |
| 427 | BN_ULONGunsigned long *r_d, *a_d = a->d; |
| 428 | union { |
| 429 | BN_ULONGunsigned long bn[BN_NIST_192_TOP(192+64 -1)/64]; |
| 430 | unsigned int ui[BN_NIST_192_TOP(192+64 -1)/64 * |
| 431 | sizeof(BN_ULONGunsigned long) / sizeof(unsigned int)]; |
| 432 | } buf; |
| 433 | BN_ULONGunsigned long c_d[BN_NIST_192_TOP(192+64 -1)/64], *res; |
| 434 | uintptr_t mask; |
| 435 | static const BIGNUM _bignum_nist_p_192_sqr = { |
| 436 | (BN_ULONGunsigned long *)_nist_p_192_sqr, |
| 437 | sizeof(_nist_p_192_sqr) / sizeof(_nist_p_192_sqr[0]), |
| 438 | sizeof(_nist_p_192_sqr) / sizeof(_nist_p_192_sqr[0]), |
| 439 | 0, |
| 440 | BN_FLG_STATIC_DATA0x02 |
| 441 | }; |
| 442 | |
| 443 | field = &_bignum_nist_p_192; /* just to make sure */ |
| 444 | |
| 445 | if (BN_is_negative(a) || BN_ucmp(a, &_bignum_nist_p_192_sqr) >= 0) |
| 446 | return BN_nnmod(r, a, field, ctx); |
| 447 | |
| 448 | i = BN_ucmp(field, a); |
| 449 | if (i == 0) { |
| 450 | BN_zero(r)(BN_set_word((r),0)); |
| 451 | return 1; |
| 452 | } else if (i > 0) |
| 453 | return (r == a) ? 1 : (BN_copy(r , a) != NULL((void *)0)); |
| 454 | |
| 455 | if (r != a) { |
| 456 | if (!bn_wexpand(r, BN_NIST_192_TOP)((((192+64 -1)/64) <= (r)->dmax)?(r):bn_expand2((r),((192 +64 -1)/64)))) |
| 457 | return 0; |
| 458 | r_d = r->d; |
| 459 | nist_cp_bn(r_d, a_d, BN_NIST_192_TOP(192+64 -1)/64); |
| 460 | } else |
| 461 | r_d = a_d; |
| 462 | |
| 463 | nist_cp_bn_0(buf.bn, a_d + BN_NIST_192_TOP(192+64 -1)/64, top - BN_NIST_192_TOP(192+64 -1)/64, |
| 464 | BN_NIST_192_TOP(192+64 -1)/64); |
| 465 | |
| 466 | #if defined(NIST_INT64long) |
| 467 | { |
| 468 | NIST_INT64long acc; /* accumulator */ |
| 469 | unsigned int *rp = (unsigned int *)r_d; |
| 470 | const unsigned int *bp = (const unsigned int *)buf.ui; |
| 471 | |
| 472 | acc = rp[0]; |
| 473 | acc += bp[3 * 2 - 6]; |
| 474 | acc += bp[5 * 2 - 6]; |
| 475 | rp[0] = (unsigned int)acc; |
| 476 | acc >>= 32; |
| 477 | |
| 478 | acc += rp[1]; |
| 479 | acc += bp[3 * 2 - 5]; |
| 480 | acc += bp[5 * 2 - 5]; |
| 481 | rp[1] = (unsigned int)acc; |
| 482 | acc >>= 32; |
| 483 | |
| 484 | acc += rp[2]; |
| 485 | acc += bp[3 * 2 - 6]; |
| 486 | acc += bp[4 * 2 - 6]; |
| 487 | acc += bp[5 * 2 - 6]; |
| 488 | rp[2] = (unsigned int)acc; |
| 489 | acc >>= 32; |
| 490 | |
| 491 | acc += rp[3]; |
| 492 | acc += bp[3 * 2 - 5]; |
| 493 | acc += bp[4 * 2 - 5]; |
| 494 | acc += bp[5 * 2 - 5]; |
| 495 | rp[3] = (unsigned int)acc; |
| 496 | acc >>= 32; |
| 497 | |
| 498 | acc += rp[4]; |
| 499 | acc += bp[4 * 2 - 6]; |
| 500 | acc += bp[5 * 2 - 6]; |
| 501 | rp[4] = (unsigned int)acc; |
| 502 | acc >>= 32; |
| 503 | |
| 504 | acc += rp[5]; |
| 505 | acc += bp[4 * 2 - 5]; |
| 506 | acc += bp[5 * 2 - 5]; |
| 507 | rp[5] = (unsigned int)acc; |
| 508 | |
| 509 | carry = (int)(acc >> 32); |
| 510 | } |
| 511 | #else |
| 512 | { |
| 513 | BN_ULONGunsigned long t_d[BN_NIST_192_TOP(192+64 -1)/64] = {0}; |
| 514 | |
| 515 | nist_set_192(t_d, buf.bn, 0, 3, 3){ (t_d)[0] = ((3) - 3>=0)?((buf.bn)[(3) - 3]):0; (t_d)[1] = ((3) - 3>=0)?((buf.bn)[(3) - 3]):0; (t_d)[2] = ((0) - 3>= 0)?((buf.bn)[(0) - 3]):0; }; |
| 516 | carry = (int)bn_add_words(r_d, r_d, t_d, BN_NIST_192_TOP(192+64 -1)/64); |
| 517 | nist_set_192(t_d, buf.bn, 4, 4, 0){ (t_d)[0] = ((0) - 3>=0)?((buf.bn)[(0) - 3]):0; (t_d)[1] = ((4) - 3>=0)?((buf.bn)[(4) - 3]):0; (t_d)[2] = ((4) - 3>= 0)?((buf.bn)[(4) - 3]):0; }; |
| 518 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_192_TOP(192+64 -1)/64); |
| 519 | nist_set_192(t_d, buf.bn, 5, 5, 5){ (t_d)[0] = ((5) - 3>=0)?((buf.bn)[(5) - 3]):0; (t_d)[1] = ((5) - 3>=0)?((buf.bn)[(5) - 3]):0; (t_d)[2] = ((5) - 3>= 0)?((buf.bn)[(5) - 3]):0; } |
| 520 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_192_TOP(192+64 -1)/64); |
| 521 | } |
| 522 | #endif |
| 523 | if (carry > 0) |
| 524 | carry = (int)bn_sub_words(r_d, r_d, _nist_p_192[carry - 1], |
| 525 | BN_NIST_192_TOP(192+64 -1)/64); |
| 526 | else |
| 527 | carry = 1; |
| 528 | |
| 529 | /* |
| 530 | * we need 'if (carry==0 || result>=modulus) result-=modulus;' |
| 531 | * as comparison implies subtraction, we can write |
| 532 | * 'tmp=result-modulus; if (!carry || !borrow) result=tmp;' |
| 533 | * this is what happens below, but without explicit if:-) a. |
| 534 | */ |
| 535 | mask = 0 - (uintptr_t)bn_sub_words(c_d, r_d, _nist_p_192[0], |
| 536 | BN_NIST_192_TOP(192+64 -1)/64); |
| 537 | mask &= 0 - (uintptr_t)carry; |
| 538 | res = c_d; |
| 539 | res = (BN_ULONGunsigned long *)(((uintptr_t)res & ~mask) | ((uintptr_t)r_d & mask)); |
| 540 | nist_cp_bn(r_d, res, BN_NIST_192_TOP(192+64 -1)/64); |
| 541 | r->top = BN_NIST_192_TOP(192+64 -1)/64; |
| 542 | bn_correct_top(r){ unsigned long *ftl; int tmp_top = (r)->top; if (tmp_top > 0) { for (ftl= &((r)->d[tmp_top-1]); tmp_top > 0; tmp_top --) if (*(ftl--)) break; (r)->top = tmp_top; } ; }; |
| 543 | |
| 544 | return 1; |
| 545 | } |
| 546 | |
| 547 | typedef BN_ULONGunsigned long (*bn_addsub_f)(BN_ULONGunsigned long *, const BN_ULONGunsigned long *, |
| 548 | const BN_ULONGunsigned long *, int); |
| 549 | |
| 550 | #define nist_set_224(to, from, a1, a2, a3, a4, a5, a6, a7){ (((a7) - 7)>=0)?(((0)&1)?(to[(0)/2]|=(((a7) - 7)& 1)?(from[((a7) - 7)/2]&(0xffffffff00000000L)):(from[((a7) - 7)/2]<<32)) :(to[(0)/2] =(((a7) - 7)&1)?(from[(( a7) - 7)/2]>>32):(from[((a7) - 7)/2]&(0xffffffffL)) )):(((0)&1)?(to[(0)/2]&=(0xffffffffL)):(to[(0)/2]=0)) ; (((a6) - 7)>=0)?(((1)&1)?(to[(1)/2]|=(((a6) - 7)& 1)?(from[((a6) - 7)/2]&(0xffffffff00000000L)):(from[((a6) - 7)/2]<<32)) :(to[(1)/2] =(((a6) - 7)&1)?(from[(( a6) - 7)/2]>>32):(from[((a6) - 7)/2]&(0xffffffffL)) )):(((1)&1)?(to[(1)/2]&=(0xffffffffL)):(to[(1)/2]=0)) ; (((a5) - 7)>=0)?(((2)&1)?(to[(2)/2]|=(((a5) - 7)& 1)?(from[((a5) - 7)/2]&(0xffffffff00000000L)):(from[((a5) - 7)/2]<<32)) :(to[(2)/2] =(((a5) - 7)&1)?(from[(( a5) - 7)/2]>>32):(from[((a5) - 7)/2]&(0xffffffffL)) )):(((2)&1)?(to[(2)/2]&=(0xffffffffL)):(to[(2)/2]=0)) ; (((a4) - 7)>=0)?(((3)&1)?(to[(3)/2]|=(((a4) - 7)& 1)?(from[((a4) - 7)/2]&(0xffffffff00000000L)):(from[((a4) - 7)/2]<<32)) :(to[(3)/2] =(((a4) - 7)&1)?(from[(( a4) - 7)/2]>>32):(from[((a4) - 7)/2]&(0xffffffffL)) )):(((3)&1)?(to[(3)/2]&=(0xffffffffL)):(to[(3)/2]=0)) ; (((a3) - 7)>=0)?(((4)&1)?(to[(4)/2]|=(((a3) - 7)& 1)?(from[((a3) - 7)/2]&(0xffffffff00000000L)):(from[((a3) - 7)/2]<<32)) :(to[(4)/2] =(((a3) - 7)&1)?(from[(( a3) - 7)/2]>>32):(from[((a3) - 7)/2]&(0xffffffffL)) )):(((4)&1)?(to[(4)/2]&=(0xffffffffL)):(to[(4)/2]=0)) ; (((a2) - 7)>=0)?(((5)&1)?(to[(5)/2]|=(((a2) - 7)& 1)?(from[((a2) - 7)/2]&(0xffffffff00000000L)):(from[((a2) - 7)/2]<<32)) :(to[(5)/2] =(((a2) - 7)&1)?(from[(( a2) - 7)/2]>>32):(from[((a2) - 7)/2]&(0xffffffffL)) )):(((5)&1)?(to[(5)/2]&=(0xffffffffL)):(to[(5)/2]=0)) ; (((a1) - 7)>=0)?(((6)&1)?(to[(6)/2]|=(((a1) - 7)& 1)?(from[((a1) - 7)/2]&(0xffffffff00000000L)):(from[((a1) - 7)/2]<<32)) :(to[(6)/2] =(((a1) - 7)&1)?(from[(( a1) - 7)/2]>>32):(from[((a1) - 7)/2]&(0xffffffffL)) )):(((6)&1)?(to[(6)/2]&=(0xffffffffL)):(to[(6)/2]=0)) ; } \ |
| 551 | { \ |
| 552 | bn_cp_32(to, 0, from, (a7) - 7)(((a7) - 7)>=0)?(((0)&1)?(to[(0)/2]|=(((a7) - 7)&1 )?(from[((a7) - 7)/2]&(0xffffffff00000000L)):(from[((a7) - 7)/2]<<32)) :(to[(0)/2] =(((a7) - 7)&1)?(from[((a7 ) - 7)/2]>>32):(from[((a7) - 7)/2]&(0xffffffffL)))) :(((0)&1)?(to[(0)/2]&=(0xffffffffL)):(to[(0)/2]=0)); \ |
| 553 | bn_cp_32(to, 1, from, (a6) - 7)(((a6) - 7)>=0)?(((1)&1)?(to[(1)/2]|=(((a6) - 7)&1 )?(from[((a6) - 7)/2]&(0xffffffff00000000L)):(from[((a6) - 7)/2]<<32)) :(to[(1)/2] =(((a6) - 7)&1)?(from[((a6 ) - 7)/2]>>32):(from[((a6) - 7)/2]&(0xffffffffL)))) :(((1)&1)?(to[(1)/2]&=(0xffffffffL)):(to[(1)/2]=0)); \ |
| 554 | bn_cp_32(to, 2, from, (a5) - 7)(((a5) - 7)>=0)?(((2)&1)?(to[(2)/2]|=(((a5) - 7)&1 )?(from[((a5) - 7)/2]&(0xffffffff00000000L)):(from[((a5) - 7)/2]<<32)) :(to[(2)/2] =(((a5) - 7)&1)?(from[((a5 ) - 7)/2]>>32):(from[((a5) - 7)/2]&(0xffffffffL)))) :(((2)&1)?(to[(2)/2]&=(0xffffffffL)):(to[(2)/2]=0)); \ |
| 555 | bn_cp_32(to, 3, from, (a4) - 7)(((a4) - 7)>=0)?(((3)&1)?(to[(3)/2]|=(((a4) - 7)&1 )?(from[((a4) - 7)/2]&(0xffffffff00000000L)):(from[((a4) - 7)/2]<<32)) :(to[(3)/2] =(((a4) - 7)&1)?(from[((a4 ) - 7)/2]>>32):(from[((a4) - 7)/2]&(0xffffffffL)))) :(((3)&1)?(to[(3)/2]&=(0xffffffffL)):(to[(3)/2]=0)); \ |
| 556 | bn_cp_32(to, 4, from, (a3) - 7)(((a3) - 7)>=0)?(((4)&1)?(to[(4)/2]|=(((a3) - 7)&1 )?(from[((a3) - 7)/2]&(0xffffffff00000000L)):(from[((a3) - 7)/2]<<32)) :(to[(4)/2] =(((a3) - 7)&1)?(from[((a3 ) - 7)/2]>>32):(from[((a3) - 7)/2]&(0xffffffffL)))) :(((4)&1)?(to[(4)/2]&=(0xffffffffL)):(to[(4)/2]=0)); \ |
| 557 | bn_cp_32(to, 5, from, (a2) - 7)(((a2) - 7)>=0)?(((5)&1)?(to[(5)/2]|=(((a2) - 7)&1 )?(from[((a2) - 7)/2]&(0xffffffff00000000L)):(from[((a2) - 7)/2]<<32)) :(to[(5)/2] =(((a2) - 7)&1)?(from[((a2 ) - 7)/2]>>32):(from[((a2) - 7)/2]&(0xffffffffL)))) :(((5)&1)?(to[(5)/2]&=(0xffffffffL)):(to[(5)/2]=0)); \ |
| 558 | bn_cp_32(to, 6, from, (a1) - 7)(((a1) - 7)>=0)?(((6)&1)?(to[(6)/2]|=(((a1) - 7)&1 )?(from[((a1) - 7)/2]&(0xffffffff00000000L)):(from[((a1) - 7)/2]<<32)) :(to[(6)/2] =(((a1) - 7)&1)?(from[((a1 ) - 7)/2]>>32):(from[((a1) - 7)/2]&(0xffffffffL)))) :(((6)&1)?(to[(6)/2]&=(0xffffffffL)):(to[(6)/2]=0)); \ |
| 559 | } |
| 560 | |
| 561 | int |
| 562 | BN_nist_mod_224(BIGNUM *r, const BIGNUM *a, const BIGNUM *field, BN_CTX *ctx) |
| 563 | { |
| 564 | int top = a->top, i; |
| 565 | int carry; |
| 566 | BN_ULONGunsigned long *r_d, *a_d = a->d; |
| 567 | union { |
| 568 | BN_ULONGunsigned long bn[BN_NIST_224_TOP(224+64 -1)/64]; |
| 569 | unsigned int ui[BN_NIST_224_TOP(224+64 -1)/64 * |
| 570 | sizeof(BN_ULONGunsigned long) / sizeof(unsigned int)]; |
| 571 | } buf; |
| 572 | BN_ULONGunsigned long c_d[BN_NIST_224_TOP(224+64 -1)/64], *res; |
| 573 | uintptr_t mask; |
| 574 | union { |
| 575 | bn_addsub_f f; |
| 576 | uintptr_t p; |
| 577 | } u; |
| 578 | static const BIGNUM _bignum_nist_p_224_sqr = { |
| 579 | (BN_ULONGunsigned long *)_nist_p_224_sqr, |
| 580 | sizeof(_nist_p_224_sqr) / sizeof(_nist_p_224_sqr[0]), |
| 581 | sizeof(_nist_p_224_sqr) / sizeof(_nist_p_224_sqr[0]), |
| 582 | 0, |
| 583 | BN_FLG_STATIC_DATA0x02 |
| 584 | }; |
| 585 | |
| 586 | field = &_bignum_nist_p_224; /* just to make sure */ |
| 587 | |
| 588 | if (BN_is_negative(a) || BN_ucmp(a, &_bignum_nist_p_224_sqr) >= 0) |
| 589 | return BN_nnmod(r, a, field, ctx); |
| 590 | |
| 591 | i = BN_ucmp(field, a); |
| 592 | if (i == 0) { |
| 593 | BN_zero(r)(BN_set_word((r),0)); |
| 594 | return 1; |
| 595 | } else if (i > 0) |
| 596 | return (r == a) ? 1 : (BN_copy(r, a) != NULL((void *)0)); |
| 597 | |
| 598 | if (r != a) { |
| 599 | if (!bn_wexpand(r, BN_NIST_224_TOP)((((224+64 -1)/64) <= (r)->dmax)?(r):bn_expand2((r),((224 +64 -1)/64)))) |
| 600 | return 0; |
| 601 | r_d = r->d; |
| 602 | nist_cp_bn(r_d, a_d, BN_NIST_224_TOP(224+64 -1)/64); |
| 603 | } else |
| 604 | r_d = a_d; |
| 605 | |
| 606 | memset(&buf, 0, sizeof(buf)); |
| 607 | |
| 608 | #if BN_BITS264==64 |
| 609 | /* copy upper 256 bits of 448 bit number ... */ |
| 610 | nist_cp_bn_0(c_d, a_d + (BN_NIST_224_TOP(224+64 -1)/64 - 1), |
| 611 | top - (BN_NIST_224_TOP(224+64 -1)/64 - 1), BN_NIST_224_TOP(224+64 -1)/64); |
| 612 | /* ... and right shift by 32 to obtain upper 224 bits */ |
| 613 | nist_set_224(buf.bn, c_d, 14, 13, 12, 11, 10, 9, 8){ (((8) - 7)>=0)?(((0)&1)?(buf.bn[(0)/2]|=(((8) - 7)& 1)?(c_d[((8) - 7)/2]&(0xffffffff00000000L)):(c_d[((8) - 7 )/2]<<32)) :(buf.bn[(0)/2] =(((8) - 7)&1)?(c_d[((8) - 7)/2]>>32):(c_d[((8) - 7)/2]&(0xffffffffL)))):(( (0)&1)?(buf.bn[(0)/2]&=(0xffffffffL)):(buf.bn[(0)/2]= 0)); (((9) - 7)>=0)?(((1)&1)?(buf.bn[(1)/2]|=(((9) - 7 )&1)?(c_d[((9) - 7)/2]&(0xffffffff00000000L)):(c_d[(( 9) - 7)/2]<<32)) :(buf.bn[(1)/2] =(((9) - 7)&1)?(c_d [((9) - 7)/2]>>32):(c_d[((9) - 7)/2]&(0xffffffffL)) )):(((1)&1)?(buf.bn[(1)/2]&=(0xffffffffL)):(buf.bn[(1 )/2]=0)); (((10) - 7)>=0)?(((2)&1)?(buf.bn[(2)/2]|=((( 10) - 7)&1)?(c_d[((10) - 7)/2]&(0xffffffff00000000L)) :(c_d[((10) - 7)/2]<<32)) :(buf.bn[(2)/2] =(((10) - 7)& 1)?(c_d[((10) - 7)/2]>>32):(c_d[((10) - 7)/2]&(0xffffffffL )))):(((2)&1)?(buf.bn[(2)/2]&=(0xffffffffL)):(buf.bn[ (2)/2]=0)); (((11) - 7)>=0)?(((3)&1)?(buf.bn[(3)/2]|=( ((11) - 7)&1)?(c_d[((11) - 7)/2]&(0xffffffff00000000L )):(c_d[((11) - 7)/2]<<32)) :(buf.bn[(3)/2] =(((11) - 7 )&1)?(c_d[((11) - 7)/2]>>32):(c_d[((11) - 7)/2]& (0xffffffffL)))):(((3)&1)?(buf.bn[(3)/2]&=(0xffffffffL )):(buf.bn[(3)/2]=0)); (((12) - 7)>=0)?(((4)&1)?(buf.bn [(4)/2]|=(((12) - 7)&1)?(c_d[((12) - 7)/2]&(0xffffffff00000000L )):(c_d[((12) - 7)/2]<<32)) :(buf.bn[(4)/2] =(((12) - 7 )&1)?(c_d[((12) - 7)/2]>>32):(c_d[((12) - 7)/2]& (0xffffffffL)))):(((4)&1)?(buf.bn[(4)/2]&=(0xffffffffL )):(buf.bn[(4)/2]=0)); (((13) - 7)>=0)?(((5)&1)?(buf.bn [(5)/2]|=(((13) - 7)&1)?(c_d[((13) - 7)/2]&(0xffffffff00000000L )):(c_d[((13) - 7)/2]<<32)) :(buf.bn[(5)/2] =(((13) - 7 )&1)?(c_d[((13) - 7)/2]>>32):(c_d[((13) - 7)/2]& (0xffffffffL)))):(((5)&1)?(buf.bn[(5)/2]&=(0xffffffffL )):(buf.bn[(5)/2]=0)); (((14) - 7)>=0)?(((6)&1)?(buf.bn [(6)/2]|=(((14) - 7)&1)?(c_d[((14) - 7)/2]&(0xffffffff00000000L )):(c_d[((14) - 7)/2]<<32)) :(buf.bn[(6)/2] =(((14) - 7 )&1)?(c_d[((14) - 7)/2]>>32):(c_d[((14) - 7)/2]& (0xffffffffL)))):(((6)&1)?(buf.bn[(6)/2]&=(0xffffffffL )):(buf.bn[(6)/2]=0)); }; |
| 614 | /* truncate lower part to 224 bits too */ |
| 615 | r_d[BN_NIST_224_TOP(224+64 -1)/64 - 1] &= BN_MASK2l(0xffffffffL); |
| 616 | #else |
| 617 | nist_cp_bn_0(buf.bn, a_d + BN_NIST_224_TOP(224+64 -1)/64, |
| 618 | top - BN_NIST_224_TOP(224+64 -1)/64, BN_NIST_224_TOP(224+64 -1)/64); |
| 619 | #endif |
| 620 | |
| 621 | #if defined(NIST_INT64long) && BN_BITS264!=64 |
| 622 | { |
| 623 | NIST_INT64long acc; /* accumulator */ |
| 624 | unsigned int *rp = (unsigned int *)r_d; |
| 625 | const unsigned int *bp = (const unsigned int *)buf.ui; |
| 626 | |
| 627 | acc = rp[0]; |
| 628 | acc -= bp[7 - 7]; |
| 629 | acc -= bp[11 - 7]; |
| 630 | rp[0] = (unsigned int)acc; |
| 631 | acc >>= 32; |
| 632 | |
| 633 | acc += rp[1]; |
| 634 | acc -= bp[8 - 7]; |
| 635 | acc -= bp[12 - 7]; |
| 636 | rp[1] = (unsigned int)acc; |
| 637 | acc >>= 32; |
| 638 | |
| 639 | acc += rp[2]; |
| 640 | acc -= bp[9 - 7]; |
| 641 | acc -= bp[13 - 7]; |
| 642 | rp[2] = (unsigned int)acc; |
| 643 | acc >>= 32; |
| 644 | |
| 645 | acc += rp[3]; |
| 646 | acc += bp[7 - 7]; |
| 647 | acc += bp[11 - 7]; |
| 648 | acc -= bp[10 - 7]; |
| 649 | rp[3] = (unsigned int)acc; |
| 650 | acc >>= 32; |
| 651 | |
| 652 | acc += rp[4]; |
| 653 | acc += bp[8 - 7]; |
| 654 | acc += bp[12 - 7]; |
| 655 | acc -= bp[11 - 7]; |
| 656 | rp[4] = (unsigned int)acc; |
| 657 | acc >>= 32; |
| 658 | |
| 659 | acc += rp[5]; |
| 660 | acc += bp[9 - 7]; |
| 661 | acc += bp[13 - 7]; |
| 662 | acc -= bp[12 - 7]; |
| 663 | rp[5] = (unsigned int)acc; |
| 664 | acc >>= 32; |
| 665 | |
| 666 | acc += rp[6]; |
| 667 | acc += bp[10 - 7]; |
| 668 | acc -= bp[13 - 7]; |
| 669 | rp[6] = (unsigned int)acc; |
| 670 | |
| 671 | carry = (int)(acc >> 32); |
| 672 | # if BN_BITS264==64 |
| 673 | rp[7] = carry; |
| 674 | # endif |
| 675 | } |
| 676 | #else |
| 677 | { |
| 678 | BN_ULONGunsigned long t_d[BN_NIST_224_TOP(224+64 -1)/64] = {0}; |
| 679 | |
| 680 | nist_set_224(t_d, buf.bn, 10, 9, 8, 7, 0, 0, 0){ (((0) - 7)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 7)/2]<<32)) :(t_d[(0)/2] =(((0) - 7)&1)?(buf.bn [((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((0) - 7)>=0)?(((1)&1)?(t_d[(1)/2]|=(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 7)/2]<<32)) :(t_d[(1)/2] =(((0) - 7)&1)?(buf.bn [((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&(0xffffffffL )))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)):(t_d[(1)/2] =0)); (((0) - 7)>=0)?(((2)&1)?(t_d[(2)/2]|=(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 7)/2]<<32)) :(t_d[(2)/2] =(((0) - 7)&1)?(buf.bn [((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&(0xffffffffL )))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL)):(t_d[(2)/2] =0)); (((7) - 7)>=0)?(((3)&1)?(t_d[(3)/2]|=(((7) - 7)& 1)?(buf.bn[((7) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 7) - 7)/2]<<32)) :(t_d[(3)/2] =(((7) - 7)&1)?(buf.bn [((7) - 7)/2]>>32):(buf.bn[((7) - 7)/2]&(0xffffffffL )))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)):(t_d[(3)/2] =0)); (((8) - 7)>=0)?(((4)&1)?(t_d[(4)/2]|=(((8) - 7)& 1)?(buf.bn[((8) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 8) - 7)/2]<<32)) :(t_d[(4)/2] =(((8) - 7)&1)?(buf.bn [((8) - 7)/2]>>32):(buf.bn[((8) - 7)/2]&(0xffffffffL )))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL)):(t_d[(4)/2] =0)); (((9) - 7)>=0)?(((5)&1)?(t_d[(5)/2]|=(((9) - 7)& 1)?(buf.bn[((9) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 9) - 7)/2]<<32)) :(t_d[(5)/2] =(((9) - 7)&1)?(buf.bn [((9) - 7)/2]>>32):(buf.bn[((9) - 7)/2]&(0xffffffffL )))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL)):(t_d[(5)/2] =0)); (((10) - 7)>=0)?(((6)&1)?(t_d[(6)/2]|=(((10) - 7 )&1)?(buf.bn[((10) - 7)/2]&(0xffffffff00000000L)):(buf .bn[((10) - 7)/2]<<32)) :(t_d[(6)/2] =(((10) - 7)&1 )?(buf.bn[((10) - 7)/2]>>32):(buf.bn[((10) - 7)/2]& (0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)) :(t_d[(6)/2]=0)); }; |
| 681 | carry = (int)bn_add_words(r_d, r_d, t_d, BN_NIST_224_TOP(224+64 -1)/64); |
| 682 | nist_set_224(t_d, buf.bn, 0, 13, 12, 11, 0, 0, 0){ (((0) - 7)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 7)/2]<<32)) :(t_d[(0)/2] =(((0) - 7)&1)?(buf.bn [((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((0) - 7)>=0)?(((1)&1)?(t_d[(1)/2]|=(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 7)/2]<<32)) :(t_d[(1)/2] =(((0) - 7)&1)?(buf.bn [((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&(0xffffffffL )))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)):(t_d[(1)/2] =0)); (((0) - 7)>=0)?(((2)&1)?(t_d[(2)/2]|=(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 7)/2]<<32)) :(t_d[(2)/2] =(((0) - 7)&1)?(buf.bn [((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&(0xffffffffL )))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL)):(t_d[(2)/2] =0)); (((11) - 7)>=0)?(((3)&1)?(t_d[(3)/2]|=(((11) - 7 )&1)?(buf.bn[((11) - 7)/2]&(0xffffffff00000000L)):(buf .bn[((11) - 7)/2]<<32)) :(t_d[(3)/2] =(((11) - 7)&1 )?(buf.bn[((11) - 7)/2]>>32):(buf.bn[((11) - 7)/2]& (0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)) :(t_d[(3)/2]=0)); (((12) - 7)>=0)?(((4)&1)?(t_d[(4)/2] |=(((12) - 7)&1)?(buf.bn[((12) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 7)/2]<<32)) :(t_d[(4)/2] =(((12) - 7 )&1)?(buf.bn[((12) - 7)/2]>>32):(buf.bn[((12) - 7)/ 2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((13) - 7)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((13) - 7)&1)?(buf.bn[((13) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 7)/2]<<32)) :(t_d[(5)/2] =(((13) - 7 )&1)?(buf.bn[((13) - 7)/2]>>32):(buf.bn[((13) - 7)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((0) - 7)>=0)?(((6)&1)?(t_d[(6)/2 ]|=(((0) - 7)&1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 7)/2]<<32)) :(t_d[(6)/2] =(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&( 0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)): (t_d[(6)/2]=0)); }; |
| 683 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_224_TOP(224+64 -1)/64); |
| 684 | nist_set_224(t_d, buf.bn, 13, 12, 11, 10, 9, 8, 7){ (((7) - 7)>=0)?(((0)&1)?(t_d[(0)/2]|=(((7) - 7)& 1)?(buf.bn[((7) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 7) - 7)/2]<<32)) :(t_d[(0)/2] =(((7) - 7)&1)?(buf.bn [((7) - 7)/2]>>32):(buf.bn[((7) - 7)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((8) - 7)>=0)?(((1)&1)?(t_d[(1)/2]|=(((8) - 7)& 1)?(buf.bn[((8) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 8) - 7)/2]<<32)) :(t_d[(1)/2] =(((8) - 7)&1)?(buf.bn [((8) - 7)/2]>>32):(buf.bn[((8) - 7)/2]&(0xffffffffL )))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)):(t_d[(1)/2] =0)); (((9) - 7)>=0)?(((2)&1)?(t_d[(2)/2]|=(((9) - 7)& 1)?(buf.bn[((9) - 7)/2]&(0xffffffff00000000L)):(buf.bn[(( 9) - 7)/2]<<32)) :(t_d[(2)/2] =(((9) - 7)&1)?(buf.bn [((9) - 7)/2]>>32):(buf.bn[((9) - 7)/2]&(0xffffffffL )))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL)):(t_d[(2)/2] =0)); (((10) - 7)>=0)?(((3)&1)?(t_d[(3)/2]|=(((10) - 7 )&1)?(buf.bn[((10) - 7)/2]&(0xffffffff00000000L)):(buf .bn[((10) - 7)/2]<<32)) :(t_d[(3)/2] =(((10) - 7)&1 )?(buf.bn[((10) - 7)/2]>>32):(buf.bn[((10) - 7)/2]& (0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)) :(t_d[(3)/2]=0)); (((11) - 7)>=0)?(((4)&1)?(t_d[(4)/2] |=(((11) - 7)&1)?(buf.bn[((11) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((11) - 7)/2]<<32)) :(t_d[(4)/2] =(((11) - 7 )&1)?(buf.bn[((11) - 7)/2]>>32):(buf.bn[((11) - 7)/ 2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((12) - 7)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((12) - 7)&1)?(buf.bn[((12) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 7)/2]<<32)) :(t_d[(5)/2] =(((12) - 7 )&1)?(buf.bn[((12) - 7)/2]>>32):(buf.bn[((12) - 7)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((13) - 7)>=0)?(((6)&1)?(t_d[(6)/ 2]|=(((13) - 7)&1)?(buf.bn[((13) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 7)/2]<<32)) :(t_d[(6)/2] =(((13) - 7 )&1)?(buf.bn[((13) - 7)/2]>>32):(buf.bn[((13) - 7)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); }; |
| 685 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_224_TOP(224+64 -1)/64); |
| 686 | nist_set_224(t_d, buf.bn, 0, 0, 0, 0, 13, 12, 11){ (((11) - 7)>=0)?(((0)&1)?(t_d[(0)/2]|=(((11) - 7)& 1)?(buf.bn[((11) - 7)/2]&(0xffffffff00000000L)):(buf.bn[( (11) - 7)/2]<<32)) :(t_d[(0)/2] =(((11) - 7)&1)?(buf .bn[((11) - 7)/2]>>32):(buf.bn[((11) - 7)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((12) - 7)>=0)?(((1)&1)?(t_d[(1)/2]|=(((12) - 7 )&1)?(buf.bn[((12) - 7)/2]&(0xffffffff00000000L)):(buf .bn[((12) - 7)/2]<<32)) :(t_d[(1)/2] =(((12) - 7)&1 )?(buf.bn[((12) - 7)/2]>>32):(buf.bn[((12) - 7)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((13) - 7)>=0)?(((2)&1)?(t_d[(2)/2] |=(((13) - 7)&1)?(buf.bn[((13) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 7)/2]<<32)) :(t_d[(2)/2] =(((13) - 7 )&1)?(buf.bn[((13) - 7)/2]>>32):(buf.bn[((13) - 7)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((0) - 7)>=0)?(((3)&1)?(t_d[(3)/2 ]|=(((0) - 7)&1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 7)/2]<<32)) :(t_d[(3)/2] =(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&( 0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)): (t_d[(3)/2]=0)); (((0) - 7)>=0)?(((4)&1)?(t_d[(4)/2]|= (((0) - 7)&1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 7)/2]<<32)) :(t_d[(4)/2] =(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&( 0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL)): (t_d[(4)/2]=0)); (((0) - 7)>=0)?(((5)&1)?(t_d[(5)/2]|= (((0) - 7)&1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 7)/2]<<32)) :(t_d[(5)/2] =(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&( 0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL)): (t_d[(5)/2]=0)); (((0) - 7)>=0)?(((6)&1)?(t_d[(6)/2]|= (((0) - 7)&1)?(buf.bn[((0) - 7)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 7)/2]<<32)) :(t_d[(6)/2] =(((0) - 7)& 1)?(buf.bn[((0) - 7)/2]>>32):(buf.bn[((0) - 7)/2]&( 0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)): (t_d[(6)/2]=0)); }; |
| 687 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_224_TOP(224+64 -1)/64); |
| 688 | |
| 689 | #if BN_BITS264==64 |
| 690 | carry = (int)(r_d[BN_NIST_224_TOP(224+64 -1)/64 - 1] >> 32); |
| 691 | #endif |
| 692 | } |
| 693 | #endif |
| 694 | u.f = bn_sub_words; |
| 695 | if (carry > 0) { |
| 696 | carry = (int)bn_sub_words(r_d, r_d, _nist_p_224[carry - 1], |
Value stored to 'carry' is never read | |
| 697 | BN_NIST_224_TOP(224+64 -1)/64); |
| 698 | #if BN_BITS264==64 |
| 699 | carry = (int)(~(r_d[BN_NIST_224_TOP(224+64 -1)/64 - 1] >> 32)) & 1; |
| 700 | #endif |
| 701 | } else if (carry < 0) { |
| 702 | /* it's a bit more complicated logic in this case. |
| 703 | * if bn_add_words yields no carry, then result |
| 704 | * has to be adjusted by unconditionally *adding* |
| 705 | * the modulus. but if it does, then result has |
| 706 | * to be compared to the modulus and conditionally |
| 707 | * adjusted by *subtracting* the latter. */ |
| 708 | carry = (int)bn_add_words(r_d, r_d, _nist_p_224[-carry - 1], |
| 709 | BN_NIST_224_TOP(224+64 -1)/64); |
| 710 | mask = 0 - (uintptr_t)carry; |
| 711 | u.p = ((uintptr_t)bn_sub_words & mask) | |
| 712 | ((uintptr_t)bn_add_words & ~mask); |
| 713 | } else |
| 714 | carry = 1; |
| 715 | |
| 716 | /* otherwise it's effectively same as in BN_nist_mod_192... */ |
| 717 | mask = 0 - (uintptr_t)(*u.f)(c_d, r_d, _nist_p_224[0], BN_NIST_224_TOP(224+64 -1)/64); |
| 718 | mask &= 0 - (uintptr_t)carry; |
| 719 | res = c_d; |
| 720 | res = (BN_ULONGunsigned long *)(((uintptr_t)res & ~mask) | ((uintptr_t)r_d & mask)); |
| 721 | nist_cp_bn(r_d, res, BN_NIST_224_TOP(224+64 -1)/64); |
| 722 | r->top = BN_NIST_224_TOP(224+64 -1)/64; |
| 723 | bn_correct_top(r){ unsigned long *ftl; int tmp_top = (r)->top; if (tmp_top > 0) { for (ftl= &((r)->d[tmp_top-1]); tmp_top > 0; tmp_top --) if (*(ftl--)) break; (r)->top = tmp_top; } ; }; |
| 724 | |
| 725 | return 1; |
| 726 | } |
| 727 | |
| 728 | #define nist_set_256(to, from, a1, a2, a3, a4, a5, a6, a7, a8){ (((a8) - 8)>=0)?(((0)&1)?(to[(0)/2]|=(((a8) - 8)& 1)?(from[((a8) - 8)/2]&(0xffffffff00000000L)):(from[((a8) - 8)/2]<<32)) :(to[(0)/2] =(((a8) - 8)&1)?(from[(( a8) - 8)/2]>>32):(from[((a8) - 8)/2]&(0xffffffffL)) )):(((0)&1)?(to[(0)/2]&=(0xffffffffL)):(to[(0)/2]=0)) ; (((a7) - 8)>=0)?(((1)&1)?(to[(1)/2]|=(((a7) - 8)& 1)?(from[((a7) - 8)/2]&(0xffffffff00000000L)):(from[((a7) - 8)/2]<<32)) :(to[(1)/2] =(((a7) - 8)&1)?(from[(( a7) - 8)/2]>>32):(from[((a7) - 8)/2]&(0xffffffffL)) )):(((1)&1)?(to[(1)/2]&=(0xffffffffL)):(to[(1)/2]=0)) ; (((a6) - 8)>=0)?(((2)&1)?(to[(2)/2]|=(((a6) - 8)& 1)?(from[((a6) - 8)/2]&(0xffffffff00000000L)):(from[((a6) - 8)/2]<<32)) :(to[(2)/2] =(((a6) - 8)&1)?(from[(( a6) - 8)/2]>>32):(from[((a6) - 8)/2]&(0xffffffffL)) )):(((2)&1)?(to[(2)/2]&=(0xffffffffL)):(to[(2)/2]=0)) ; (((a5) - 8)>=0)?(((3)&1)?(to[(3)/2]|=(((a5) - 8)& 1)?(from[((a5) - 8)/2]&(0xffffffff00000000L)):(from[((a5) - 8)/2]<<32)) :(to[(3)/2] =(((a5) - 8)&1)?(from[(( a5) - 8)/2]>>32):(from[((a5) - 8)/2]&(0xffffffffL)) )):(((3)&1)?(to[(3)/2]&=(0xffffffffL)):(to[(3)/2]=0)) ; (((a4) - 8)>=0)?(((4)&1)?(to[(4)/2]|=(((a4) - 8)& 1)?(from[((a4) - 8)/2]&(0xffffffff00000000L)):(from[((a4) - 8)/2]<<32)) :(to[(4)/2] =(((a4) - 8)&1)?(from[(( a4) - 8)/2]>>32):(from[((a4) - 8)/2]&(0xffffffffL)) )):(((4)&1)?(to[(4)/2]&=(0xffffffffL)):(to[(4)/2]=0)) ; (((a3) - 8)>=0)?(((5)&1)?(to[(5)/2]|=(((a3) - 8)& 1)?(from[((a3) - 8)/2]&(0xffffffff00000000L)):(from[((a3) - 8)/2]<<32)) :(to[(5)/2] =(((a3) - 8)&1)?(from[(( a3) - 8)/2]>>32):(from[((a3) - 8)/2]&(0xffffffffL)) )):(((5)&1)?(to[(5)/2]&=(0xffffffffL)):(to[(5)/2]=0)) ; (((a2) - 8)>=0)?(((6)&1)?(to[(6)/2]|=(((a2) - 8)& 1)?(from[((a2) - 8)/2]&(0xffffffff00000000L)):(from[((a2) - 8)/2]<<32)) :(to[(6)/2] =(((a2) - 8)&1)?(from[(( a2) - 8)/2]>>32):(from[((a2) - 8)/2]&(0xffffffffL)) )):(((6)&1)?(to[(6)/2]&=(0xffffffffL)):(to[(6)/2]=0)) ; (((a1) - 8)>=0)?(((7)&1)?(to[(7)/2]|=(((a1) - 8)& 1)?(from[((a1) - 8)/2]&(0xffffffff00000000L)):(from[((a1) - 8)/2]<<32)) :(to[(7)/2] =(((a1) - 8)&1)?(from[(( a1) - 8)/2]>>32):(from[((a1) - 8)/2]&(0xffffffffL)) )):(((7)&1)?(to[(7)/2]&=(0xffffffffL)):(to[(7)/2]=0)) ; } \ |
| 729 | { \ |
| 730 | bn_cp_32(to, 0, from, (a8) - 8)(((a8) - 8)>=0)?(((0)&1)?(to[(0)/2]|=(((a8) - 8)&1 )?(from[((a8) - 8)/2]&(0xffffffff00000000L)):(from[((a8) - 8)/2]<<32)) :(to[(0)/2] =(((a8) - 8)&1)?(from[((a8 ) - 8)/2]>>32):(from[((a8) - 8)/2]&(0xffffffffL)))) :(((0)&1)?(to[(0)/2]&=(0xffffffffL)):(to[(0)/2]=0)); \ |
| 731 | bn_cp_32(to, 1, from, (a7) - 8)(((a7) - 8)>=0)?(((1)&1)?(to[(1)/2]|=(((a7) - 8)&1 )?(from[((a7) - 8)/2]&(0xffffffff00000000L)):(from[((a7) - 8)/2]<<32)) :(to[(1)/2] =(((a7) - 8)&1)?(from[((a7 ) - 8)/2]>>32):(from[((a7) - 8)/2]&(0xffffffffL)))) :(((1)&1)?(to[(1)/2]&=(0xffffffffL)):(to[(1)/2]=0)); \ |
| 732 | bn_cp_32(to, 2, from, (a6) - 8)(((a6) - 8)>=0)?(((2)&1)?(to[(2)/2]|=(((a6) - 8)&1 )?(from[((a6) - 8)/2]&(0xffffffff00000000L)):(from[((a6) - 8)/2]<<32)) :(to[(2)/2] =(((a6) - 8)&1)?(from[((a6 ) - 8)/2]>>32):(from[((a6) - 8)/2]&(0xffffffffL)))) :(((2)&1)?(to[(2)/2]&=(0xffffffffL)):(to[(2)/2]=0)); \ |
| 733 | bn_cp_32(to, 3, from, (a5) - 8)(((a5) - 8)>=0)?(((3)&1)?(to[(3)/2]|=(((a5) - 8)&1 )?(from[((a5) - 8)/2]&(0xffffffff00000000L)):(from[((a5) - 8)/2]<<32)) :(to[(3)/2] =(((a5) - 8)&1)?(from[((a5 ) - 8)/2]>>32):(from[((a5) - 8)/2]&(0xffffffffL)))) :(((3)&1)?(to[(3)/2]&=(0xffffffffL)):(to[(3)/2]=0)); \ |
| 734 | bn_cp_32(to, 4, from, (a4) - 8)(((a4) - 8)>=0)?(((4)&1)?(to[(4)/2]|=(((a4) - 8)&1 )?(from[((a4) - 8)/2]&(0xffffffff00000000L)):(from[((a4) - 8)/2]<<32)) :(to[(4)/2] =(((a4) - 8)&1)?(from[((a4 ) - 8)/2]>>32):(from[((a4) - 8)/2]&(0xffffffffL)))) :(((4)&1)?(to[(4)/2]&=(0xffffffffL)):(to[(4)/2]=0)); \ |
| 735 | bn_cp_32(to, 5, from, (a3) - 8)(((a3) - 8)>=0)?(((5)&1)?(to[(5)/2]|=(((a3) - 8)&1 )?(from[((a3) - 8)/2]&(0xffffffff00000000L)):(from[((a3) - 8)/2]<<32)) :(to[(5)/2] =(((a3) - 8)&1)?(from[((a3 ) - 8)/2]>>32):(from[((a3) - 8)/2]&(0xffffffffL)))) :(((5)&1)?(to[(5)/2]&=(0xffffffffL)):(to[(5)/2]=0)); \ |
| 736 | bn_cp_32(to, 6, from, (a2) - 8)(((a2) - 8)>=0)?(((6)&1)?(to[(6)/2]|=(((a2) - 8)&1 )?(from[((a2) - 8)/2]&(0xffffffff00000000L)):(from[((a2) - 8)/2]<<32)) :(to[(6)/2] =(((a2) - 8)&1)?(from[((a2 ) - 8)/2]>>32):(from[((a2) - 8)/2]&(0xffffffffL)))) :(((6)&1)?(to[(6)/2]&=(0xffffffffL)):(to[(6)/2]=0)); \ |
| 737 | bn_cp_32(to, 7, from, (a1) - 8)(((a1) - 8)>=0)?(((7)&1)?(to[(7)/2]|=(((a1) - 8)&1 )?(from[((a1) - 8)/2]&(0xffffffff00000000L)):(from[((a1) - 8)/2]<<32)) :(to[(7)/2] =(((a1) - 8)&1)?(from[((a1 ) - 8)/2]>>32):(from[((a1) - 8)/2]&(0xffffffffL)))) :(((7)&1)?(to[(7)/2]&=(0xffffffffL)):(to[(7)/2]=0)); \ |
| 738 | } |
| 739 | |
| 740 | int |
| 741 | BN_nist_mod_256(BIGNUM *r, const BIGNUM *a, const BIGNUM *field, BN_CTX *ctx) |
| 742 | { |
| 743 | int i, top = a->top; |
| 744 | int carry = 0; |
| 745 | BN_ULONGunsigned long *a_d = a->d, *r_d; |
| 746 | union { |
| 747 | BN_ULONGunsigned long bn[BN_NIST_256_TOP(256+64 -1)/64]; |
| 748 | unsigned int ui[BN_NIST_256_TOP(256+64 -1)/64 * |
| 749 | sizeof(BN_ULONGunsigned long) / sizeof(unsigned int)]; |
| 750 | } buf; |
| 751 | BN_ULONGunsigned long c_d[BN_NIST_256_TOP(256+64 -1)/64] = {0}, *res; |
| 752 | uintptr_t mask; |
| 753 | union { |
| 754 | bn_addsub_f f; |
| 755 | uintptr_t p; |
| 756 | } u; |
| 757 | static const BIGNUM _bignum_nist_p_256_sqr = { |
| 758 | (BN_ULONGunsigned long *)_nist_p_256_sqr, |
| 759 | sizeof(_nist_p_256_sqr) / sizeof(_nist_p_256_sqr[0]), |
| 760 | sizeof(_nist_p_256_sqr) / sizeof(_nist_p_256_sqr[0]), |
| 761 | 0, |
| 762 | BN_FLG_STATIC_DATA0x02 |
| 763 | }; |
| 764 | |
| 765 | field = &_bignum_nist_p_256; /* just to make sure */ |
| 766 | |
| 767 | if (BN_is_negative(a) || BN_ucmp(a, &_bignum_nist_p_256_sqr) >= 0) |
| 768 | return BN_nnmod(r, a, field, ctx); |
| 769 | |
| 770 | i = BN_ucmp(field, a); |
| 771 | if (i == 0) { |
| 772 | BN_zero(r)(BN_set_word((r),0)); |
| 773 | return 1; |
| 774 | } else if (i > 0) |
| 775 | return (r == a) ? 1 : (BN_copy(r, a) != NULL((void *)0)); |
| 776 | |
| 777 | if (r != a) { |
| 778 | if (!bn_wexpand(r, BN_NIST_256_TOP)((((256+64 -1)/64) <= (r)->dmax)?(r):bn_expand2((r),((256 +64 -1)/64)))) |
| 779 | return 0; |
| 780 | r_d = r->d; |
| 781 | nist_cp_bn(r_d, a_d, BN_NIST_256_TOP(256+64 -1)/64); |
| 782 | } else |
| 783 | r_d = a_d; |
| 784 | |
| 785 | nist_cp_bn_0(buf.bn, a_d + BN_NIST_256_TOP(256+64 -1)/64, |
| 786 | top - BN_NIST_256_TOP(256+64 -1)/64, BN_NIST_256_TOP(256+64 -1)/64); |
| 787 | |
| 788 | #if defined(NIST_INT64long) |
| 789 | { |
| 790 | NIST_INT64long acc; /* accumulator */ |
| 791 | unsigned int *rp = (unsigned int *)r_d; |
| 792 | const unsigned int *bp = (const unsigned int *)buf.ui; |
| 793 | |
| 794 | acc = rp[0]; |
| 795 | acc += bp[8 - 8]; |
| 796 | acc += bp[9 - 8]; |
| 797 | acc -= bp[11 - 8]; |
| 798 | acc -= bp[12 - 8]; |
| 799 | acc -= bp[13 - 8]; |
| 800 | acc -= bp[14 - 8]; |
| 801 | rp[0] = (unsigned int)acc; |
| 802 | acc >>= 32; |
| 803 | |
| 804 | acc += rp[1]; |
| 805 | acc += bp[9 - 8]; |
| 806 | acc += bp[10 - 8]; |
| 807 | acc -= bp[12 - 8]; |
| 808 | acc -= bp[13 - 8]; |
| 809 | acc -= bp[14 - 8]; |
| 810 | acc -= bp[15 - 8]; |
| 811 | rp[1] = (unsigned int)acc; |
| 812 | acc >>= 32; |
| 813 | |
| 814 | acc += rp[2]; |
| 815 | acc += bp[10 - 8]; |
| 816 | acc += bp[11 - 8]; |
| 817 | acc -= bp[13 - 8]; |
| 818 | acc -= bp[14 - 8]; |
| 819 | acc -= bp[15 - 8]; |
| 820 | rp[2] = (unsigned int)acc; |
| 821 | acc >>= 32; |
| 822 | |
| 823 | acc += rp[3]; |
| 824 | acc += bp[11 - 8]; |
| 825 | acc += bp[11 - 8]; |
| 826 | acc += bp[12 - 8]; |
| 827 | acc += bp[12 - 8]; |
| 828 | acc += bp[13 - 8]; |
| 829 | acc -= bp[15 - 8]; |
| 830 | acc -= bp[8 - 8]; |
| 831 | acc -= bp[9 - 8]; |
| 832 | rp[3] = (unsigned int)acc; |
| 833 | acc >>= 32; |
| 834 | |
| 835 | acc += rp[4]; |
| 836 | acc += bp[12 - 8]; |
| 837 | acc += bp[12 - 8]; |
| 838 | acc += bp[13 - 8]; |
| 839 | acc += bp[13 - 8]; |
| 840 | acc += bp[14 - 8]; |
| 841 | acc -= bp[9 - 8]; |
| 842 | acc -= bp[10 - 8]; |
| 843 | rp[4] = (unsigned int)acc; |
| 844 | acc >>= 32; |
| 845 | |
| 846 | acc += rp[5]; |
| 847 | acc += bp[13 - 8]; |
| 848 | acc += bp[13 - 8]; |
| 849 | acc += bp[14 - 8]; |
| 850 | acc += bp[14 - 8]; |
| 851 | acc += bp[15 - 8]; |
| 852 | acc -= bp[10 - 8]; |
| 853 | acc -= bp[11 - 8]; |
| 854 | rp[5] = (unsigned int)acc; |
| 855 | acc >>= 32; |
| 856 | |
| 857 | acc += rp[6]; |
| 858 | acc += bp[14 - 8]; |
| 859 | acc += bp[14 - 8]; |
| 860 | acc += bp[15 - 8]; |
| 861 | acc += bp[15 - 8]; |
| 862 | acc += bp[14 - 8]; |
| 863 | acc += bp[13 - 8]; |
| 864 | acc -= bp[8 - 8]; |
| 865 | acc -= bp[9 - 8]; |
| 866 | rp[6] = (unsigned int)acc; |
| 867 | acc >>= 32; |
| 868 | |
| 869 | acc += rp[7]; |
| 870 | acc += bp[15 - 8]; |
| 871 | acc += bp[15 - 8]; |
| 872 | acc += bp[15 - 8]; |
| 873 | acc += bp[8 - 8]; |
| 874 | acc -= bp[10 - 8]; |
| 875 | acc -= bp[11 - 8]; |
| 876 | acc -= bp[12 - 8]; |
| 877 | acc -= bp[13 - 8]; |
| 878 | rp[7] = (unsigned int)acc; |
| 879 | |
| 880 | carry = (int)(acc >> 32); |
| 881 | } |
| 882 | #else |
| 883 | { |
| 884 | BN_ULONGunsigned long t_d[BN_NIST_256_TOP(256+64 -1)/64] = {0}; |
| 885 | |
| 886 | /*S1*/ |
| 887 | nist_set_256(t_d, buf.bn, 15, 14, 13, 12, 11, 0, 0, 0){ (((0) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 8)/2]<<32)) :(t_d[(0)/2] =(((0) - 8)&1)?(buf.bn [((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((0) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 8)/2]<<32)) :(t_d[(1)/2] =(((0) - 8)&1)?(buf.bn [((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&(0xffffffffL )))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)):(t_d[(1)/2] =0)); (((0) - 8)>=0)?(((2)&1)?(t_d[(2)/2]|=(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 8)/2]<<32)) :(t_d[(2)/2] =(((0) - 8)&1)?(buf.bn [((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&(0xffffffffL )))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL)):(t_d[(2)/2] =0)); (((11) - 8)>=0)?(((3)&1)?(t_d[(3)/2]|=(((11) - 8 )&1)?(buf.bn[((11) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((11) - 8)/2]<<32)) :(t_d[(3)/2] =(((11) - 8)&1 )?(buf.bn[((11) - 8)/2]>>32):(buf.bn[((11) - 8)/2]& (0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)) :(t_d[(3)/2]=0)); (((12) - 8)>=0)?(((4)&1)?(t_d[(4)/2] |=(((12) - 8)&1)?(buf.bn[((12) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 8)/2]<<32)) :(t_d[(4)/2] =(((12) - 8 )&1)?(buf.bn[((12) - 8)/2]>>32):(buf.bn[((12) - 8)/ 2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((13) - 8)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((13) - 8)&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 8)/2]<<32)) :(t_d[(5)/2] =(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((14) - 8)>=0)?(((6)&1)?(t_d[(6)/ 2]|=(((14) - 8)&1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 8)/2]<<32)) :(t_d[(6)/2] =(((14) - 8 )&1)?(buf.bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((15) - 8)>=0)?(((7)&1)?(t_d[(7)/ 2]|=(((15) - 8)&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 8)/2]<<32)) :(t_d[(7)/2] =(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); }; |
| 888 | /*S2*/ |
| 889 | nist_set_256(c_d, buf.bn, 0, 15, 14, 13, 12, 0, 0, 0){ (((0) - 8)>=0)?(((0)&1)?(c_d[(0)/2]|=(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 8)/2]<<32)) :(c_d[(0)/2] =(((0) - 8)&1)?(buf.bn [((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&(0xffffffffL )))):(((0)&1)?(c_d[(0)/2]&=(0xffffffffL)):(c_d[(0)/2] =0)); (((0) - 8)>=0)?(((1)&1)?(c_d[(1)/2]|=(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 8)/2]<<32)) :(c_d[(1)/2] =(((0) - 8)&1)?(buf.bn [((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&(0xffffffffL )))):(((1)&1)?(c_d[(1)/2]&=(0xffffffffL)):(c_d[(1)/2] =0)); (((0) - 8)>=0)?(((2)&1)?(c_d[(2)/2]|=(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 0) - 8)/2]<<32)) :(c_d[(2)/2] =(((0) - 8)&1)?(buf.bn [((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&(0xffffffffL )))):(((2)&1)?(c_d[(2)/2]&=(0xffffffffL)):(c_d[(2)/2] =0)); (((12) - 8)>=0)?(((3)&1)?(c_d[(3)/2]|=(((12) - 8 )&1)?(buf.bn[((12) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((12) - 8)/2]<<32)) :(c_d[(3)/2] =(((12) - 8)&1 )?(buf.bn[((12) - 8)/2]>>32):(buf.bn[((12) - 8)/2]& (0xffffffffL)))):(((3)&1)?(c_d[(3)/2]&=(0xffffffffL)) :(c_d[(3)/2]=0)); (((13) - 8)>=0)?(((4)&1)?(c_d[(4)/2] |=(((13) - 8)&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 8)/2]<<32)) :(c_d[(4)/2] =(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/ 2]&(0xffffffffL)))):(((4)&1)?(c_d[(4)/2]&=(0xffffffffL )):(c_d[(4)/2]=0)); (((14) - 8)>=0)?(((5)&1)?(c_d[(5)/ 2]|=(((14) - 8)&1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 8)/2]<<32)) :(c_d[(5)/2] =(((14) - 8 )&1)?(buf.bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/ 2]&(0xffffffffL)))):(((5)&1)?(c_d[(5)/2]&=(0xffffffffL )):(c_d[(5)/2]=0)); (((15) - 8)>=0)?(((6)&1)?(c_d[(6)/ 2]|=(((15) - 8)&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 8)/2]<<32)) :(c_d[(6)/2] =(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/ 2]&(0xffffffffL)))):(((6)&1)?(c_d[(6)/2]&=(0xffffffffL )):(c_d[(6)/2]=0)); (((0) - 8)>=0)?(((7)&1)?(c_d[(7)/2 ]|=(((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(c_d[(7)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((7)&1)?(c_d[(7)/2]&=(0xffffffffL)): (c_d[(7)/2]=0)); }; |
| 890 | carry = (int)bn_add_words(t_d, t_d, c_d, BN_NIST_256_TOP(256+64 -1)/64); |
| 891 | /* left shift */ |
| 892 | { |
| 893 | BN_ULONGunsigned long *ap, t, c; |
| 894 | ap = t_d; |
| 895 | c = 0; |
| 896 | for (i = BN_NIST_256_TOP(256+64 -1)/64; i != 0; --i) { |
| 897 | t = *ap; |
| 898 | *(ap++) = ((t << 1) | c) & BN_MASK2(0xffffffffffffffffL); |
| 899 | c = (t & BN_TBIT(0x8000000000000000L)) ? 1 : 0; |
| 900 | } |
| 901 | carry <<= 1; |
| 902 | carry |= c; |
| 903 | } |
| 904 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+64 -1)/64); |
| 905 | /*S3*/ |
| 906 | nist_set_256(t_d, buf.bn, 15, 14, 0, 0, 0, 10, 9, 8){ (((8) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((8) - 8)& 1)?(buf.bn[((8) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 8) - 8)/2]<<32)) :(t_d[(0)/2] =(((8) - 8)&1)?(buf.bn [((8) - 8)/2]>>32):(buf.bn[((8) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((9) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((9) - 8)& 1)?(buf.bn[((9) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 9) - 8)/2]<<32)) :(t_d[(1)/2] =(((9) - 8)&1)?(buf.bn [((9) - 8)/2]>>32):(buf.bn[((9) - 8)/2]&(0xffffffffL )))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)):(t_d[(1)/2] =0)); (((10) - 8)>=0)?(((2)&1)?(t_d[(2)/2]|=(((10) - 8 )&1)?(buf.bn[((10) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((10) - 8)/2]<<32)) :(t_d[(2)/2] =(((10) - 8)&1 )?(buf.bn[((10) - 8)/2]>>32):(buf.bn[((10) - 8)/2]& (0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL)) :(t_d[(2)/2]=0)); (((0) - 8)>=0)?(((3)&1)?(t_d[(3)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(3)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)): (t_d[(3)/2]=0)); (((0) - 8)>=0)?(((4)&1)?(t_d[(4)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(4)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL)): (t_d[(4)/2]=0)); (((0) - 8)>=0)?(((5)&1)?(t_d[(5)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(5)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL)): (t_d[(5)/2]=0)); (((14) - 8)>=0)?(((6)&1)?(t_d[(6)/2]|= (((14) - 8)&1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 8)/2]<<32)) :(t_d[(6)/2] =(((14) - 8 )&1)?(buf.bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((15) - 8)>=0)?(((7)&1)?(t_d[(7)/ 2]|=(((15) - 8)&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 8)/2]<<32)) :(t_d[(7)/2] =(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); }; |
| 907 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+64 -1)/64); |
| 908 | /*S4*/ |
| 909 | nist_set_256(t_d, buf.bn, 8, 13, 15, 14, 13, 11, 10, 9){ (((9) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((9) - 8)& 1)?(buf.bn[((9) - 8)/2]&(0xffffffff00000000L)):(buf.bn[(( 9) - 8)/2]<<32)) :(t_d[(0)/2] =(((9) - 8)&1)?(buf.bn [((9) - 8)/2]>>32):(buf.bn[((9) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((10) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((10) - 8 )&1)?(buf.bn[((10) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((10) - 8)/2]<<32)) :(t_d[(1)/2] =(((10) - 8)&1 )?(buf.bn[((10) - 8)/2]>>32):(buf.bn[((10) - 8)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((11) - 8)>=0)?(((2)&1)?(t_d[(2)/2] |=(((11) - 8)&1)?(buf.bn[((11) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((11) - 8)/2]<<32)) :(t_d[(2)/2] =(((11) - 8 )&1)?(buf.bn[((11) - 8)/2]>>32):(buf.bn[((11) - 8)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((13) - 8)>=0)?(((3)&1)?(t_d[(3)/ 2]|=(((13) - 8)&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 8)/2]<<32)) :(t_d[(3)/2] =(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/ 2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((14) - 8)>=0)?(((4)&1)?(t_d[(4)/ 2]|=(((14) - 8)&1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 8)/2]<<32)) :(t_d[(4)/2] =(((14) - 8 )&1)?(buf.bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/ 2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((15) - 8)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((15) - 8)&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 8)/2]<<32)) :(t_d[(5)/2] =(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((13) - 8)>=0)?(((6)&1)?(t_d[(6)/ 2]|=(((13) - 8)&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 8)/2]<<32)) :(t_d[(6)/2] =(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((8) - 8)>=0)?(((7)&1)?(t_d[(7)/2 ]|=(((8) - 8)&1)?(buf.bn[((8) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((8) - 8)/2]<<32)) :(t_d[(7)/2] =(((8) - 8)& 1)?(buf.bn[((8) - 8)/2]>>32):(buf.bn[((8) - 8)/2]&( 0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL)): (t_d[(7)/2]=0)); }; |
| 910 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+64 -1)/64); |
| 911 | /*D1*/ |
| 912 | nist_set_256(t_d, buf.bn, 10, 8, 0, 0, 0, 13, 12, 11){ (((11) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((11) - 8)& 1)?(buf.bn[((11) - 8)/2]&(0xffffffff00000000L)):(buf.bn[( (11) - 8)/2]<<32)) :(t_d[(0)/2] =(((11) - 8)&1)?(buf .bn[((11) - 8)/2]>>32):(buf.bn[((11) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((12) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((12) - 8 )&1)?(buf.bn[((12) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((12) - 8)/2]<<32)) :(t_d[(1)/2] =(((12) - 8)&1 )?(buf.bn[((12) - 8)/2]>>32):(buf.bn[((12) - 8)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((13) - 8)>=0)?(((2)&1)?(t_d[(2)/2] |=(((13) - 8)&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 8)/2]<<32)) :(t_d[(2)/2] =(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((0) - 8)>=0)?(((3)&1)?(t_d[(3)/2 ]|=(((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(3)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)): (t_d[(3)/2]=0)); (((0) - 8)>=0)?(((4)&1)?(t_d[(4)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(4)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL)): (t_d[(4)/2]=0)); (((0) - 8)>=0)?(((5)&1)?(t_d[(5)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(5)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL)): (t_d[(5)/2]=0)); (((8) - 8)>=0)?(((6)&1)?(t_d[(6)/2]|= (((8) - 8)&1)?(buf.bn[((8) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((8) - 8)/2]<<32)) :(t_d[(6)/2] =(((8) - 8)& 1)?(buf.bn[((8) - 8)/2]>>32):(buf.bn[((8) - 8)/2]&( 0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)): (t_d[(6)/2]=0)); (((10) - 8)>=0)?(((7)&1)?(t_d[(7)/2]|= (((10) - 8)&1)?(buf.bn[((10) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((10) - 8)/2]<<32)) :(t_d[(7)/2] =(((10) - 8 )&1)?(buf.bn[((10) - 8)/2]>>32):(buf.bn[((10) - 8)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); }; |
| 913 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+64 -1)/64); |
| 914 | /*D2*/ |
| 915 | nist_set_256(t_d, buf.bn, 11, 9, 0, 0, 15, 14, 13, 12){ (((12) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((12) - 8)& 1)?(buf.bn[((12) - 8)/2]&(0xffffffff00000000L)):(buf.bn[( (12) - 8)/2]<<32)) :(t_d[(0)/2] =(((12) - 8)&1)?(buf .bn[((12) - 8)/2]>>32):(buf.bn[((12) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((13) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((13) - 8)/2]<<32)) :(t_d[(1)/2] =(((13) - 8)&1 )?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((14) - 8)>=0)?(((2)&1)?(t_d[(2)/2] |=(((14) - 8)&1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 8)/2]<<32)) :(t_d[(2)/2] =(((14) - 8 )&1)?(buf.bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((15) - 8)>=0)?(((3)&1)?(t_d[(3)/ 2]|=(((15) - 8)&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 8)/2]<<32)) :(t_d[(3)/2] =(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/ 2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((0) - 8)>=0)?(((4)&1)?(t_d[(4)/2 ]|=(((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(4)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL)): (t_d[(4)/2]=0)); (((0) - 8)>=0)?(((5)&1)?(t_d[(5)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(5)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL)): (t_d[(5)/2]=0)); (((9) - 8)>=0)?(((6)&1)?(t_d[(6)/2]|= (((9) - 8)&1)?(buf.bn[((9) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((9) - 8)/2]<<32)) :(t_d[(6)/2] =(((9) - 8)& 1)?(buf.bn[((9) - 8)/2]>>32):(buf.bn[((9) - 8)/2]&( 0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)): (t_d[(6)/2]=0)); (((11) - 8)>=0)?(((7)&1)?(t_d[(7)/2]|= (((11) - 8)&1)?(buf.bn[((11) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((11) - 8)/2]<<32)) :(t_d[(7)/2] =(((11) - 8 )&1)?(buf.bn[((11) - 8)/2]>>32):(buf.bn[((11) - 8)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); }; |
| 916 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+64 -1)/64); |
| 917 | /*D3*/ |
| 918 | nist_set_256(t_d, buf.bn, 12, 0, 10, 9, 8, 15, 14, 13){ (((13) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((13) - 8)& 1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L)):(buf.bn[( (13) - 8)/2]<<32)) :(t_d[(0)/2] =(((13) - 8)&1)?(buf .bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((14) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((14) - 8 )&1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((14) - 8)/2]<<32)) :(t_d[(1)/2] =(((14) - 8)&1 )?(buf.bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((15) - 8)>=0)?(((2)&1)?(t_d[(2)/2] |=(((15) - 8)&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 8)/2]<<32)) :(t_d[(2)/2] =(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((8) - 8)>=0)?(((3)&1)?(t_d[(3)/2 ]|=(((8) - 8)&1)?(buf.bn[((8) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((8) - 8)/2]<<32)) :(t_d[(3)/2] =(((8) - 8)& 1)?(buf.bn[((8) - 8)/2]>>32):(buf.bn[((8) - 8)/2]&( 0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)): (t_d[(3)/2]=0)); (((9) - 8)>=0)?(((4)&1)?(t_d[(4)/2]|= (((9) - 8)&1)?(buf.bn[((9) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((9) - 8)/2]<<32)) :(t_d[(4)/2] =(((9) - 8)& 1)?(buf.bn[((9) - 8)/2]>>32):(buf.bn[((9) - 8)/2]&( 0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL)): (t_d[(4)/2]=0)); (((10) - 8)>=0)?(((5)&1)?(t_d[(5)/2]|= (((10) - 8)&1)?(buf.bn[((10) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((10) - 8)/2]<<32)) :(t_d[(5)/2] =(((10) - 8 )&1)?(buf.bn[((10) - 8)/2]>>32):(buf.bn[((10) - 8)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((0) - 8)>=0)?(((6)&1)?(t_d[(6)/2 ]|=(((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(6)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)): (t_d[(6)/2]=0)); (((12) - 8)>=0)?(((7)&1)?(t_d[(7)/2]|= (((12) - 8)&1)?(buf.bn[((12) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 8)/2]<<32)) :(t_d[(7)/2] =(((12) - 8 )&1)?(buf.bn[((12) - 8)/2]>>32):(buf.bn[((12) - 8)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); }; |
| 919 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+64 -1)/64); |
| 920 | /*D4*/ |
| 921 | nist_set_256(t_d, buf.bn, 13, 0, 11, 10, 9, 0, 15, 14){ (((14) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((14) - 8)& 1)?(buf.bn[((14) - 8)/2]&(0xffffffff00000000L)):(buf.bn[( (14) - 8)/2]<<32)) :(t_d[(0)/2] =(((14) - 8)&1)?(buf .bn[((14) - 8)/2]>>32):(buf.bn[((14) - 8)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((15) - 8)>=0)?(((1)&1)?(t_d[(1)/2]|=(((15) - 8 )&1)?(buf.bn[((15) - 8)/2]&(0xffffffff00000000L)):(buf .bn[((15) - 8)/2]<<32)) :(t_d[(1)/2] =(((15) - 8)&1 )?(buf.bn[((15) - 8)/2]>>32):(buf.bn[((15) - 8)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((0) - 8)>=0)?(((2)&1)?(t_d[(2)/2]|= (((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(2)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL)): (t_d[(2)/2]=0)); (((9) - 8)>=0)?(((3)&1)?(t_d[(3)/2]|= (((9) - 8)&1)?(buf.bn[((9) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((9) - 8)/2]<<32)) :(t_d[(3)/2] =(((9) - 8)& 1)?(buf.bn[((9) - 8)/2]>>32):(buf.bn[((9) - 8)/2]&( 0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL)): (t_d[(3)/2]=0)); (((10) - 8)>=0)?(((4)&1)?(t_d[(4)/2]|= (((10) - 8)&1)?(buf.bn[((10) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((10) - 8)/2]<<32)) :(t_d[(4)/2] =(((10) - 8 )&1)?(buf.bn[((10) - 8)/2]>>32):(buf.bn[((10) - 8)/ 2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((11) - 8)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((11) - 8)&1)?(buf.bn[((11) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((11) - 8)/2]<<32)) :(t_d[(5)/2] =(((11) - 8 )&1)?(buf.bn[((11) - 8)/2]>>32):(buf.bn[((11) - 8)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((0) - 8)>=0)?(((6)&1)?(t_d[(6)/2 ]|=(((0) - 8)&1)?(buf.bn[((0) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 8)/2]<<32)) :(t_d[(6)/2] =(((0) - 8)& 1)?(buf.bn[((0) - 8)/2]>>32):(buf.bn[((0) - 8)/2]&( 0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL)): (t_d[(6)/2]=0)); (((13) - 8)>=0)?(((7)&1)?(t_d[(7)/2]|= (((13) - 8)&1)?(buf.bn[((13) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 8)/2]<<32)) :(t_d[(7)/2] =(((13) - 8 )&1)?(buf.bn[((13) - 8)/2]>>32):(buf.bn[((13) - 8)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); }; |
| 922 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_256_TOP(256+64 -1)/64); |
| 923 | |
| 924 | } |
| 925 | #endif |
| 926 | /* see BN_nist_mod_224 for explanation */ |
| 927 | u.f = bn_sub_words; |
| 928 | if (carry > 0) |
| 929 | carry = (int)bn_sub_words(r_d, r_d, _nist_p_256[carry - 1], |
| 930 | BN_NIST_256_TOP(256+64 -1)/64); |
| 931 | else if (carry < 0) { |
| 932 | carry = (int)bn_add_words(r_d, r_d, _nist_p_256[-carry - 1], |
| 933 | BN_NIST_256_TOP(256+64 -1)/64); |
| 934 | mask = 0 - (uintptr_t)carry; |
| 935 | u.p = ((uintptr_t)bn_sub_words & mask) | |
| 936 | ((uintptr_t)bn_add_words & ~mask); |
| 937 | } else |
| 938 | carry = 1; |
| 939 | |
| 940 | mask = 0 - (uintptr_t)(*u.f)(c_d, r_d, _nist_p_256[0], BN_NIST_256_TOP(256+64 -1)/64); |
| 941 | mask &= 0 - (uintptr_t)carry; |
| 942 | res = c_d; |
| 943 | res = (BN_ULONGunsigned long *)(((uintptr_t)res & ~mask) | ((uintptr_t)r_d & mask)); |
| 944 | nist_cp_bn(r_d, res, BN_NIST_256_TOP(256+64 -1)/64); |
| 945 | r->top = BN_NIST_256_TOP(256+64 -1)/64; |
| 946 | bn_correct_top(r){ unsigned long *ftl; int tmp_top = (r)->top; if (tmp_top > 0) { for (ftl= &((r)->d[tmp_top-1]); tmp_top > 0; tmp_top --) if (*(ftl--)) break; (r)->top = tmp_top; } ; }; |
| 947 | |
| 948 | return 1; |
| 949 | } |
| 950 | |
| 951 | #define nist_set_384(to,from,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12){ (((a12) - 12)>=0)?(((0)&1)?(to[(0)/2]|=(((a12) - 12) &1)?(from[((a12) - 12)/2]&(0xffffffff00000000L)):(from [((a12) - 12)/2]<<32)) :(to[(0)/2] =(((a12) - 12)&1 )?(from[((a12) - 12)/2]>>32):(from[((a12) - 12)/2]& (0xffffffffL)))):(((0)&1)?(to[(0)/2]&=(0xffffffffL)): (to[(0)/2]=0)); (((a11) - 12)>=0)?(((1)&1)?(to[(1)/2]|= (((a11) - 12)&1)?(from[((a11) - 12)/2]&(0xffffffff00000000L )):(from[((a11) - 12)/2]<<32)) :(to[(1)/2] =(((a11) - 12 )&1)?(from[((a11) - 12)/2]>>32):(from[((a11) - 12)/ 2]&(0xffffffffL)))):(((1)&1)?(to[(1)/2]&=(0xffffffffL )):(to[(1)/2]=0)); (((a10) - 12)>=0)?(((2)&1)?(to[(2)/ 2]|=(((a10) - 12)&1)?(from[((a10) - 12)/2]&(0xffffffff00000000L )):(from[((a10) - 12)/2]<<32)) :(to[(2)/2] =(((a10) - 12 )&1)?(from[((a10) - 12)/2]>>32):(from[((a10) - 12)/ 2]&(0xffffffffL)))):(((2)&1)?(to[(2)/2]&=(0xffffffffL )):(to[(2)/2]=0)); (((a9) - 12)>=0)?(((3)&1)?(to[(3)/2 ]|=(((a9) - 12)&1)?(from[((a9) - 12)/2]&(0xffffffff00000000L )):(from[((a9) - 12)/2]<<32)) :(to[(3)/2] =(((a9) - 12) &1)?(from[((a9) - 12)/2]>>32):(from[((a9) - 12)/2]& (0xffffffffL)))):(((3)&1)?(to[(3)/2]&=(0xffffffffL)): (to[(3)/2]=0)); (((a8) - 12)>=0)?(((4)&1)?(to[(4)/2]|= (((a8) - 12)&1)?(from[((a8) - 12)/2]&(0xffffffff00000000L )):(from[((a8) - 12)/2]<<32)) :(to[(4)/2] =(((a8) - 12) &1)?(from[((a8) - 12)/2]>>32):(from[((a8) - 12)/2]& (0xffffffffL)))):(((4)&1)?(to[(4)/2]&=(0xffffffffL)): (to[(4)/2]=0)); (((a7) - 12)>=0)?(((5)&1)?(to[(5)/2]|= (((a7) - 12)&1)?(from[((a7) - 12)/2]&(0xffffffff00000000L )):(from[((a7) - 12)/2]<<32)) :(to[(5)/2] =(((a7) - 12) &1)?(from[((a7) - 12)/2]>>32):(from[((a7) - 12)/2]& (0xffffffffL)))):(((5)&1)?(to[(5)/2]&=(0xffffffffL)): (to[(5)/2]=0)); (((a6) - 12)>=0)?(((6)&1)?(to[(6)/2]|= (((a6) - 12)&1)?(from[((a6) - 12)/2]&(0xffffffff00000000L )):(from[((a6) - 12)/2]<<32)) :(to[(6)/2] =(((a6) - 12) &1)?(from[((a6) - 12)/2]>>32):(from[((a6) - 12)/2]& (0xffffffffL)))):(((6)&1)?(to[(6)/2]&=(0xffffffffL)): (to[(6)/2]=0)); (((a5) - 12)>=0)?(((7)&1)?(to[(7)/2]|= (((a5) - 12)&1)?(from[((a5) - 12)/2]&(0xffffffff00000000L )):(from[((a5) - 12)/2]<<32)) :(to[(7)/2] =(((a5) - 12) &1)?(from[((a5) - 12)/2]>>32):(from[((a5) - 12)/2]& (0xffffffffL)))):(((7)&1)?(to[(7)/2]&=(0xffffffffL)): (to[(7)/2]=0)); (((a4) - 12)>=0)?(((8)&1)?(to[(8)/2]|= (((a4) - 12)&1)?(from[((a4) - 12)/2]&(0xffffffff00000000L )):(from[((a4) - 12)/2]<<32)) :(to[(8)/2] =(((a4) - 12) &1)?(from[((a4) - 12)/2]>>32):(from[((a4) - 12)/2]& (0xffffffffL)))):(((8)&1)?(to[(8)/2]&=(0xffffffffL)): (to[(8)/2]=0)); (((a3) - 12)>=0)?(((9)&1)?(to[(9)/2]|= (((a3) - 12)&1)?(from[((a3) - 12)/2]&(0xffffffff00000000L )):(from[((a3) - 12)/2]<<32)) :(to[(9)/2] =(((a3) - 12) &1)?(from[((a3) - 12)/2]>>32):(from[((a3) - 12)/2]& (0xffffffffL)))):(((9)&1)?(to[(9)/2]&=(0xffffffffL)): (to[(9)/2]=0)); (((a2) - 12)>=0)?(((10)&1)?(to[(10)/2] |=(((a2) - 12)&1)?(from[((a2) - 12)/2]&(0xffffffff00000000L )):(from[((a2) - 12)/2]<<32)) :(to[(10)/2] =(((a2) - 12 )&1)?(from[((a2) - 12)/2]>>32):(from[((a2) - 12)/2] &(0xffffffffL)))):(((10)&1)?(to[(10)/2]&=(0xffffffffL )):(to[(10)/2]=0)); (((a1) - 12)>=0)?(((11)&1)?(to[(11 )/2]|=(((a1) - 12)&1)?(from[((a1) - 12)/2]&(0xffffffff00000000L )):(from[((a1) - 12)/2]<<32)) :(to[(11)/2] =(((a1) - 12 )&1)?(from[((a1) - 12)/2]>>32):(from[((a1) - 12)/2] &(0xffffffffL)))):(((11)&1)?(to[(11)/2]&=(0xffffffffL )):(to[(11)/2]=0)); } \ |
| 952 | { \ |
| 953 | bn_cp_32(to, 0, from, (a12) - 12)(((a12) - 12)>=0)?(((0)&1)?(to[(0)/2]|=(((a12) - 12)& 1)?(from[((a12) - 12)/2]&(0xffffffff00000000L)):(from[((a12 ) - 12)/2]<<32)) :(to[(0)/2] =(((a12) - 12)&1)?(from [((a12) - 12)/2]>>32):(from[((a12) - 12)/2]&(0xffffffffL )))):(((0)&1)?(to[(0)/2]&=(0xffffffffL)):(to[(0)/2]=0 )); \ |
| 954 | bn_cp_32(to, 1, from, (a11) - 12)(((a11) - 12)>=0)?(((1)&1)?(to[(1)/2]|=(((a11) - 12)& 1)?(from[((a11) - 12)/2]&(0xffffffff00000000L)):(from[((a11 ) - 12)/2]<<32)) :(to[(1)/2] =(((a11) - 12)&1)?(from [((a11) - 12)/2]>>32):(from[((a11) - 12)/2]&(0xffffffffL )))):(((1)&1)?(to[(1)/2]&=(0xffffffffL)):(to[(1)/2]=0 )); \ |
| 955 | bn_cp_32(to, 2, from, (a10) - 12)(((a10) - 12)>=0)?(((2)&1)?(to[(2)/2]|=(((a10) - 12)& 1)?(from[((a10) - 12)/2]&(0xffffffff00000000L)):(from[((a10 ) - 12)/2]<<32)) :(to[(2)/2] =(((a10) - 12)&1)?(from [((a10) - 12)/2]>>32):(from[((a10) - 12)/2]&(0xffffffffL )))):(((2)&1)?(to[(2)/2]&=(0xffffffffL)):(to[(2)/2]=0 )); \ |
| 956 | bn_cp_32(to, 3, from, (a9) - 12)(((a9) - 12)>=0)?(((3)&1)?(to[(3)/2]|=(((a9) - 12)& 1)?(from[((a9) - 12)/2]&(0xffffffff00000000L)):(from[((a9 ) - 12)/2]<<32)) :(to[(3)/2] =(((a9) - 12)&1)?(from [((a9) - 12)/2]>>32):(from[((a9) - 12)/2]&(0xffffffffL )))):(((3)&1)?(to[(3)/2]&=(0xffffffffL)):(to[(3)/2]=0 )); \ |
| 957 | bn_cp_32(to, 4, from, (a8) - 12)(((a8) - 12)>=0)?(((4)&1)?(to[(4)/2]|=(((a8) - 12)& 1)?(from[((a8) - 12)/2]&(0xffffffff00000000L)):(from[((a8 ) - 12)/2]<<32)) :(to[(4)/2] =(((a8) - 12)&1)?(from [((a8) - 12)/2]>>32):(from[((a8) - 12)/2]&(0xffffffffL )))):(((4)&1)?(to[(4)/2]&=(0xffffffffL)):(to[(4)/2]=0 )); \ |
| 958 | bn_cp_32(to, 5, from, (a7) - 12)(((a7) - 12)>=0)?(((5)&1)?(to[(5)/2]|=(((a7) - 12)& 1)?(from[((a7) - 12)/2]&(0xffffffff00000000L)):(from[((a7 ) - 12)/2]<<32)) :(to[(5)/2] =(((a7) - 12)&1)?(from [((a7) - 12)/2]>>32):(from[((a7) - 12)/2]&(0xffffffffL )))):(((5)&1)?(to[(5)/2]&=(0xffffffffL)):(to[(5)/2]=0 )); \ |
| 959 | bn_cp_32(to, 6, from, (a6) - 12)(((a6) - 12)>=0)?(((6)&1)?(to[(6)/2]|=(((a6) - 12)& 1)?(from[((a6) - 12)/2]&(0xffffffff00000000L)):(from[((a6 ) - 12)/2]<<32)) :(to[(6)/2] =(((a6) - 12)&1)?(from [((a6) - 12)/2]>>32):(from[((a6) - 12)/2]&(0xffffffffL )))):(((6)&1)?(to[(6)/2]&=(0xffffffffL)):(to[(6)/2]=0 )); \ |
| 960 | bn_cp_32(to, 7, from, (a5) - 12)(((a5) - 12)>=0)?(((7)&1)?(to[(7)/2]|=(((a5) - 12)& 1)?(from[((a5) - 12)/2]&(0xffffffff00000000L)):(from[((a5 ) - 12)/2]<<32)) :(to[(7)/2] =(((a5) - 12)&1)?(from [((a5) - 12)/2]>>32):(from[((a5) - 12)/2]&(0xffffffffL )))):(((7)&1)?(to[(7)/2]&=(0xffffffffL)):(to[(7)/2]=0 )); \ |
| 961 | bn_cp_32(to, 8, from, (a4) - 12)(((a4) - 12)>=0)?(((8)&1)?(to[(8)/2]|=(((a4) - 12)& 1)?(from[((a4) - 12)/2]&(0xffffffff00000000L)):(from[((a4 ) - 12)/2]<<32)) :(to[(8)/2] =(((a4) - 12)&1)?(from [((a4) - 12)/2]>>32):(from[((a4) - 12)/2]&(0xffffffffL )))):(((8)&1)?(to[(8)/2]&=(0xffffffffL)):(to[(8)/2]=0 )); \ |
| 962 | bn_cp_32(to, 9, from, (a3) - 12)(((a3) - 12)>=0)?(((9)&1)?(to[(9)/2]|=(((a3) - 12)& 1)?(from[((a3) - 12)/2]&(0xffffffff00000000L)):(from[((a3 ) - 12)/2]<<32)) :(to[(9)/2] =(((a3) - 12)&1)?(from [((a3) - 12)/2]>>32):(from[((a3) - 12)/2]&(0xffffffffL )))):(((9)&1)?(to[(9)/2]&=(0xffffffffL)):(to[(9)/2]=0 )); \ |
| 963 | bn_cp_32(to, 10, from, (a2) - 12)(((a2) - 12)>=0)?(((10)&1)?(to[(10)/2]|=(((a2) - 12)& 1)?(from[((a2) - 12)/2]&(0xffffffff00000000L)):(from[((a2 ) - 12)/2]<<32)) :(to[(10)/2] =(((a2) - 12)&1)?(from [((a2) - 12)/2]>>32):(from[((a2) - 12)/2]&(0xffffffffL )))):(((10)&1)?(to[(10)/2]&=(0xffffffffL)):(to[(10)/2 ]=0)); \ |
| 964 | bn_cp_32(to, 11, from, (a1) - 12)(((a1) - 12)>=0)?(((11)&1)?(to[(11)/2]|=(((a1) - 12)& 1)?(from[((a1) - 12)/2]&(0xffffffff00000000L)):(from[((a1 ) - 12)/2]<<32)) :(to[(11)/2] =(((a1) - 12)&1)?(from [((a1) - 12)/2]>>32):(from[((a1) - 12)/2]&(0xffffffffL )))):(((11)&1)?(to[(11)/2]&=(0xffffffffL)):(to[(11)/2 ]=0)); \ |
| 965 | } |
| 966 | |
| 967 | int |
| 968 | BN_nist_mod_384(BIGNUM *r, const BIGNUM *a, const BIGNUM *field, BN_CTX *ctx) |
| 969 | { |
| 970 | int i, top = a->top; |
| 971 | int carry = 0; |
| 972 | BN_ULONGunsigned long *r_d, *a_d = a->d; |
| 973 | union { |
| 974 | BN_ULONGunsigned long bn[BN_NIST_384_TOP(384+64 -1)/64]; |
| 975 | unsigned int ui[BN_NIST_384_TOP(384+64 -1)/64 * |
| 976 | sizeof(BN_ULONGunsigned long) / sizeof(unsigned int)]; |
| 977 | } buf; |
| 978 | BN_ULONGunsigned long c_d[BN_NIST_384_TOP(384+64 -1)/64], *res; |
| 979 | uintptr_t mask; |
| 980 | union { |
| 981 | bn_addsub_f f; |
| 982 | uintptr_t p; |
| 983 | } u; |
| 984 | static const BIGNUM _bignum_nist_p_384_sqr = { |
| 985 | (BN_ULONGunsigned long *)_nist_p_384_sqr, |
| 986 | sizeof(_nist_p_384_sqr) / sizeof(_nist_p_384_sqr[0]), |
| 987 | sizeof(_nist_p_384_sqr) / sizeof(_nist_p_384_sqr[0]), |
| 988 | 0, |
| 989 | BN_FLG_STATIC_DATA0x02 |
| 990 | }; |
| 991 | |
| 992 | field = &_bignum_nist_p_384; /* just to make sure */ |
| 993 | |
| 994 | if (BN_is_negative(a) || BN_ucmp(a, &_bignum_nist_p_384_sqr) >= 0) |
| 995 | return BN_nnmod(r, a, field, ctx); |
| 996 | |
| 997 | i = BN_ucmp(field, a); |
| 998 | if (i == 0) { |
| 999 | BN_zero(r)(BN_set_word((r),0)); |
| 1000 | return 1; |
| 1001 | } else if (i > 0) |
| 1002 | return (r == a) ? 1 : (BN_copy(r, a) != NULL((void *)0)); |
| 1003 | |
| 1004 | if (r != a) { |
| 1005 | if (!bn_wexpand(r, BN_NIST_384_TOP)((((384+64 -1)/64) <= (r)->dmax)?(r):bn_expand2((r),((384 +64 -1)/64)))) |
| 1006 | return 0; |
| 1007 | r_d = r->d; |
| 1008 | nist_cp_bn(r_d, a_d, BN_NIST_384_TOP(384+64 -1)/64); |
| 1009 | } else |
| 1010 | r_d = a_d; |
| 1011 | |
| 1012 | nist_cp_bn_0(buf.bn, a_d + BN_NIST_384_TOP(384+64 -1)/64, |
| 1013 | top - BN_NIST_384_TOP(384+64 -1)/64, BN_NIST_384_TOP(384+64 -1)/64); |
| 1014 | |
| 1015 | #if defined(NIST_INT64long) |
| 1016 | { |
| 1017 | NIST_INT64long acc; /* accumulator */ |
| 1018 | unsigned int *rp = (unsigned int *)r_d; |
| 1019 | const unsigned int *bp = (const unsigned int *)buf.ui; |
| 1020 | |
| 1021 | acc = rp[0]; |
| 1022 | acc += bp[12 - 12]; |
| 1023 | acc += bp[21 - 12]; |
| 1024 | acc += bp[20 - 12]; |
| 1025 | acc -= bp[23 - 12]; |
| 1026 | rp[0] = (unsigned int)acc; |
| 1027 | acc >>= 32; |
| 1028 | |
| 1029 | acc += rp[1]; |
| 1030 | acc += bp[13 - 12]; |
| 1031 | acc += bp[22 - 12]; |
| 1032 | acc += bp[23 - 12]; |
| 1033 | acc -= bp[12 - 12]; |
| 1034 | acc -= bp[20 - 12]; |
| 1035 | rp[1] = (unsigned int)acc; |
| 1036 | acc >>= 32; |
| 1037 | |
| 1038 | acc += rp[2]; |
| 1039 | acc += bp[14 - 12]; |
| 1040 | acc += bp[23 - 12]; |
| 1041 | acc -= bp[13 - 12]; |
| 1042 | acc -= bp[21 - 12]; |
| 1043 | rp[2] = (unsigned int)acc; |
| 1044 | acc >>= 32; |
| 1045 | |
| 1046 | acc += rp[3]; |
| 1047 | acc += bp[15 - 12]; |
| 1048 | acc += bp[12 - 12]; |
| 1049 | acc += bp[20 - 12]; |
| 1050 | acc += bp[21 - 12]; |
| 1051 | acc -= bp[14 - 12]; |
| 1052 | acc -= bp[22 - 12]; |
| 1053 | acc -= bp[23 - 12]; |
| 1054 | rp[3] = (unsigned int)acc; |
| 1055 | acc >>= 32; |
| 1056 | |
| 1057 | acc += rp[4]; |
| 1058 | acc += bp[21 - 12]; |
| 1059 | acc += bp[21 - 12]; |
| 1060 | acc += bp[16 - 12]; |
| 1061 | acc += bp[13 - 12]; |
| 1062 | acc += bp[12 - 12]; |
| 1063 | acc += bp[20 - 12]; |
| 1064 | acc += bp[22 - 12]; |
| 1065 | acc -= bp[15 - 12]; |
| 1066 | acc -= bp[23 - 12]; |
| 1067 | acc -= bp[23 - 12]; |
| 1068 | rp[4] = (unsigned int)acc; |
| 1069 | acc >>= 32; |
| 1070 | |
| 1071 | acc += rp[5]; |
| 1072 | acc += bp[22 - 12]; |
| 1073 | acc += bp[22 - 12]; |
| 1074 | acc += bp[17 - 12]; |
| 1075 | acc += bp[14 - 12]; |
| 1076 | acc += bp[13 - 12]; |
| 1077 | acc += bp[21 - 12]; |
| 1078 | acc += bp[23 - 12]; |
| 1079 | acc -= bp[16 - 12]; |
| 1080 | rp[5] = (unsigned int)acc; |
| 1081 | acc >>= 32; |
| 1082 | |
| 1083 | acc += rp[6]; |
| 1084 | acc += bp[23 - 12]; |
| 1085 | acc += bp[23 - 12]; |
| 1086 | acc += bp[18 - 12]; |
| 1087 | acc += bp[15 - 12]; |
| 1088 | acc += bp[14 - 12]; |
| 1089 | acc += bp[22 - 12]; |
| 1090 | acc -= bp[17 - 12]; |
| 1091 | rp[6] = (unsigned int)acc; |
| 1092 | acc >>= 32; |
| 1093 | |
| 1094 | acc += rp[7]; |
| 1095 | acc += bp[19 - 12]; |
| 1096 | acc += bp[16 - 12]; |
| 1097 | acc += bp[15 - 12]; |
| 1098 | acc += bp[23 - 12]; |
| 1099 | acc -= bp[18 - 12]; |
| 1100 | rp[7] = (unsigned int)acc; |
| 1101 | acc >>= 32; |
| 1102 | |
| 1103 | acc += rp[8]; |
| 1104 | acc += bp[20 - 12]; |
| 1105 | acc += bp[17 - 12]; |
| 1106 | acc += bp[16 - 12]; |
| 1107 | acc -= bp[19 - 12]; |
| 1108 | rp[8] = (unsigned int)acc; |
| 1109 | acc >>= 32; |
| 1110 | |
| 1111 | acc += rp[9]; |
| 1112 | acc += bp[21 - 12]; |
| 1113 | acc += bp[18 - 12]; |
| 1114 | acc += bp[17 - 12]; |
| 1115 | acc -= bp[20 - 12]; |
| 1116 | rp[9] = (unsigned int)acc; |
| 1117 | acc >>= 32; |
| 1118 | |
| 1119 | acc += rp[10]; |
| 1120 | acc += bp[22 - 12]; |
| 1121 | acc += bp[19 - 12]; |
| 1122 | acc += bp[18 - 12]; |
| 1123 | acc -= bp[21 - 12]; |
| 1124 | rp[10] = (unsigned int)acc; |
| 1125 | acc >>= 32; |
| 1126 | |
| 1127 | acc += rp[11]; |
| 1128 | acc += bp[23 - 12]; |
| 1129 | acc += bp[20 - 12]; |
| 1130 | acc += bp[19 - 12]; |
| 1131 | acc -= bp[22 - 12]; |
| 1132 | rp[11] = (unsigned int)acc; |
| 1133 | |
| 1134 | carry = (int)(acc >> 32); |
| 1135 | } |
| 1136 | #else |
| 1137 | { |
| 1138 | BN_ULONGunsigned long t_d[BN_NIST_384_TOP(384+64 -1)/64] = {0}; |
| 1139 | |
| 1140 | /*S1*/ |
| 1141 | nist_set_256(t_d, buf.bn, 0, 0, 0, 0, 0, 23 - 4, 22 - 4,{ (((21 - 4) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((21 - 4) - 8)&1)?(buf.bn[((21 - 4) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((21 - 4) - 8)/2]<<32)) :(t_d[(0)/2] =(((21 - 4) - 8)&1)?(buf.bn[((21 - 4) - 8)/2]>>32):(buf.bn[ ((21 - 4) - 8)/2]&(0xffffffffL)))):(((0)&1)?(t_d[(0)/ 2]&=(0xffffffffL)):(t_d[(0)/2]=0)); (((22 - 4) - 8)>=0 )?(((1)&1)?(t_d[(1)/2]|=(((22 - 4) - 8)&1)?(buf.bn[(( 22 - 4) - 8)/2]&(0xffffffff00000000L)):(buf.bn[((22 - 4) - 8)/2]<<32)) :(t_d[(1)/2] =(((22 - 4) - 8)&1)?(buf. bn[((22 - 4) - 8)/2]>>32):(buf.bn[((22 - 4) - 8)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((23 - 4) - 8)>=0)?(((2)&1)?(t_d[(2 )/2]|=(((23 - 4) - 8)&1)?(buf.bn[((23 - 4) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((23 - 4) - 8)/2]<<32)) :(t_d[(2)/2] =(((23 - 4) - 8)&1)?(buf.bn[((23 - 4) - 8)/2]>>32):(buf.bn[ ((23 - 4) - 8)/2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/ 2]&=(0xffffffffL)):(t_d[(2)/2]=0)); (((0) - 8)>=0)?((( 3)&1)?(t_d[(3)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8)/2] &(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32)) : (t_d[(3)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>>32 ):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((3)&1)?(t_d [(3)/2]&=(0xffffffffL)):(t_d[(3)/2]=0)); (((0) - 8)>=0 )?(((4)&1)?(t_d[(4)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8 )/2]&(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32 )) :(t_d[(4)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>> 32):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((4)&1)?(t_d [(4)/2]&=(0xffffffffL)):(t_d[(4)/2]=0)); (((0) - 8)>=0 )?(((5)&1)?(t_d[(5)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8 )/2]&(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32 )) :(t_d[(5)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>> 32):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((5)&1)?(t_d [(5)/2]&=(0xffffffffL)):(t_d[(5)/2]=0)); (((0) - 8)>=0 )?(((6)&1)?(t_d[(6)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8 )/2]&(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32 )) :(t_d[(6)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>> 32):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((6)&1)?(t_d [(6)/2]&=(0xffffffffL)):(t_d[(6)/2]=0)); (((0) - 8)>=0 )?(((7)&1)?(t_d[(7)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8 )/2]&(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32 )) :(t_d[(7)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>> 32):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((7)&1)?(t_d [(7)/2]&=(0xffffffffL)):(t_d[(7)/2]=0)); } |
| 1142 | 21 - 4){ (((21 - 4) - 8)>=0)?(((0)&1)?(t_d[(0)/2]|=(((21 - 4) - 8)&1)?(buf.bn[((21 - 4) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((21 - 4) - 8)/2]<<32)) :(t_d[(0)/2] =(((21 - 4) - 8)&1)?(buf.bn[((21 - 4) - 8)/2]>>32):(buf.bn[ ((21 - 4) - 8)/2]&(0xffffffffL)))):(((0)&1)?(t_d[(0)/ 2]&=(0xffffffffL)):(t_d[(0)/2]=0)); (((22 - 4) - 8)>=0 )?(((1)&1)?(t_d[(1)/2]|=(((22 - 4) - 8)&1)?(buf.bn[(( 22 - 4) - 8)/2]&(0xffffffff00000000L)):(buf.bn[((22 - 4) - 8)/2]<<32)) :(t_d[(1)/2] =(((22 - 4) - 8)&1)?(buf. bn[((22 - 4) - 8)/2]>>32):(buf.bn[((22 - 4) - 8)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((23 - 4) - 8)>=0)?(((2)&1)?(t_d[(2 )/2]|=(((23 - 4) - 8)&1)?(buf.bn[((23 - 4) - 8)/2]&(0xffffffff00000000L )):(buf.bn[((23 - 4) - 8)/2]<<32)) :(t_d[(2)/2] =(((23 - 4) - 8)&1)?(buf.bn[((23 - 4) - 8)/2]>>32):(buf.bn[ ((23 - 4) - 8)/2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/ 2]&=(0xffffffffL)):(t_d[(2)/2]=0)); (((0) - 8)>=0)?((( 3)&1)?(t_d[(3)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8)/2] &(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32)) : (t_d[(3)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>>32 ):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((3)&1)?(t_d [(3)/2]&=(0xffffffffL)):(t_d[(3)/2]=0)); (((0) - 8)>=0 )?(((4)&1)?(t_d[(4)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8 )/2]&(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32 )) :(t_d[(4)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>> 32):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((4)&1)?(t_d [(4)/2]&=(0xffffffffL)):(t_d[(4)/2]=0)); (((0) - 8)>=0 )?(((5)&1)?(t_d[(5)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8 )/2]&(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32 )) :(t_d[(5)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>> 32):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((5)&1)?(t_d [(5)/2]&=(0xffffffffL)):(t_d[(5)/2]=0)); (((0) - 8)>=0 )?(((6)&1)?(t_d[(6)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8 )/2]&(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32 )) :(t_d[(6)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>> 32):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((6)&1)?(t_d [(6)/2]&=(0xffffffffL)):(t_d[(6)/2]=0)); (((0) - 8)>=0 )?(((7)&1)?(t_d[(7)/2]|=(((0) - 8)&1)?(buf.bn[((0) - 8 )/2]&(0xffffffff00000000L)):(buf.bn[((0) - 8)/2]<<32 )) :(t_d[(7)/2] =(((0) - 8)&1)?(buf.bn[((0) - 8)/2]>> 32):(buf.bn[((0) - 8)/2]&(0xffffffffL)))):(((7)&1)?(t_d [(7)/2]&=(0xffffffffL)):(t_d[(7)/2]=0)); }; |
| 1143 | /* left shift */ |
| 1144 | { |
| 1145 | BN_ULONGunsigned long *ap, t, c; |
| 1146 | ap = t_d; |
| 1147 | c = 0; |
| 1148 | for (i = 3; i != 0; --i) { |
| 1149 | t= *ap; |
| 1150 | *(ap++) = ((t << 1)|c) & BN_MASK2(0xffffffffffffffffL); |
| 1151 | c = (t & BN_TBIT(0x8000000000000000L)) ? 1 : 0; |
| 1152 | } |
| 1153 | *ap = c; |
| 1154 | } |
| 1155 | carry = (int)bn_add_words(r_d + (128 / BN_BITS264), |
| 1156 | r_d + (128 / BN_BITS264), t_d, BN_NIST_256_TOP(256+64 -1)/64); |
| 1157 | /*S2 */ |
| 1158 | carry += (int)bn_add_words(r_d, r_d, buf.bn, BN_NIST_384_TOP(384+64 -1)/64); |
| 1159 | /*S3*/ |
| 1160 | nist_set_384(t_d, buf.bn, 20, 19, 18, 17, 16, 15, 14, 13, 12,{ (((21) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((21) - 12)& 1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L)):(buf.bn[ ((21) - 12)/2]<<32)) :(t_d[(0)/2] =(((21) - 12)&1)? (buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12)/2]& (0xffffffffL)))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)) :(t_d[(0)/2]=0)); (((22) - 12)>=0)?(((1)&1)?(t_d[(1)/2 ]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((22) - 12)/2]<<32)) :(t_d[(1)/2] =(((22) - 12 )&1)?(buf.bn[((22) - 12)/2]>>32):(buf.bn[((22) - 12 )/2]&(0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL )):(t_d[(1)/2]=0)); (((23) - 12)>=0)?(((2)&1)?(t_d[(2) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(2)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((12) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((12) - 12)&1)?(buf.bn[((12) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 12)/2]<<32)) :(t_d[(3)/2] =(((12) - 12 )&1)?(buf.bn[((12) - 12)/2]>>32):(buf.bn[((12) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((13) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((13) - 12)&1)?(buf.bn[((13) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 12)/2]<<32)) :(t_d[(4)/2] =(((13) - 12 )&1)?(buf.bn[((13) - 12)/2]>>32):(buf.bn[((13) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((14) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((14) - 12)&1)?(buf.bn[((14) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 12)/2]<<32)) :(t_d[(5)/2] =(((14) - 12 )&1)?(buf.bn[((14) - 12)/2]>>32):(buf.bn[((14) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((15) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((15) - 12)&1)?(buf.bn[((15) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 12)/2]<<32)) :(t_d[(6)/2] =(((15) - 12 )&1)?(buf.bn[((15) - 12)/2]>>32):(buf.bn[((15) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((16) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((16) - 12)&1)?(buf.bn[((16) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((16) - 12)/2]<<32)) :(t_d[(7)/2] =(((16) - 12 )&1)?(buf.bn[((16) - 12)/2]>>32):(buf.bn[((16) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((17) - 12)>=0)?(((8)&1)?(t_d[(8) /2]|=(((17) - 12)&1)?(buf.bn[((17) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((17) - 12)/2]<<32)) :(t_d[(8)/2] =(((17) - 12 )&1)?(buf.bn[((17) - 12)/2]>>32):(buf.bn[((17) - 12 )/2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((18) - 12)>=0)?(((9)&1)?(t_d[(9) /2]|=(((18) - 12)&1)?(buf.bn[((18) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((18) - 12)/2]<<32)) :(t_d[(9)/2] =(((18) - 12 )&1)?(buf.bn[((18) - 12)/2]>>32):(buf.bn[((18) - 12 )/2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((19) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((19) - 12)&1)?(buf.bn[((19) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((19) - 12)/2]<<32)) :(t_d[(10)/2] =(((19) - 12)&1)?(buf.bn[((19) - 12)/2]>>32):(buf.bn[((19) - 12)/2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&= (0xffffffffL)):(t_d[(10)/2]=0)); (((20) - 12)>=0)?(((11)& 1)?(t_d[(11)/2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]& (0xffffffff00000000L)):(buf.bn[((20) - 12)/2]<<32)) :(t_d [(11)/2] =(((20) - 12)&1)?(buf.bn[((20) - 12)/2]>>32 ):(buf.bn[((20) - 12)/2]&(0xffffffffL)))):(((11)&1)?( t_d[(11)/2]&=(0xffffffffL)):(t_d[(11)/2]=0)); } |
| 1161 | 23, 22, 21){ (((21) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((21) - 12)& 1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L)):(buf.bn[ ((21) - 12)/2]<<32)) :(t_d[(0)/2] =(((21) - 12)&1)? (buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12)/2]& (0xffffffffL)))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)) :(t_d[(0)/2]=0)); (((22) - 12)>=0)?(((1)&1)?(t_d[(1)/2 ]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((22) - 12)/2]<<32)) :(t_d[(1)/2] =(((22) - 12 )&1)?(buf.bn[((22) - 12)/2]>>32):(buf.bn[((22) - 12 )/2]&(0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL )):(t_d[(1)/2]=0)); (((23) - 12)>=0)?(((2)&1)?(t_d[(2) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(2)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((12) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((12) - 12)&1)?(buf.bn[((12) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 12)/2]<<32)) :(t_d[(3)/2] =(((12) - 12 )&1)?(buf.bn[((12) - 12)/2]>>32):(buf.bn[((12) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((13) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((13) - 12)&1)?(buf.bn[((13) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 12)/2]<<32)) :(t_d[(4)/2] =(((13) - 12 )&1)?(buf.bn[((13) - 12)/2]>>32):(buf.bn[((13) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((14) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((14) - 12)&1)?(buf.bn[((14) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 12)/2]<<32)) :(t_d[(5)/2] =(((14) - 12 )&1)?(buf.bn[((14) - 12)/2]>>32):(buf.bn[((14) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((15) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((15) - 12)&1)?(buf.bn[((15) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 12)/2]<<32)) :(t_d[(6)/2] =(((15) - 12 )&1)?(buf.bn[((15) - 12)/2]>>32):(buf.bn[((15) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((16) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((16) - 12)&1)?(buf.bn[((16) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((16) - 12)/2]<<32)) :(t_d[(7)/2] =(((16) - 12 )&1)?(buf.bn[((16) - 12)/2]>>32):(buf.bn[((16) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((17) - 12)>=0)?(((8)&1)?(t_d[(8) /2]|=(((17) - 12)&1)?(buf.bn[((17) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((17) - 12)/2]<<32)) :(t_d[(8)/2] =(((17) - 12 )&1)?(buf.bn[((17) - 12)/2]>>32):(buf.bn[((17) - 12 )/2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((18) - 12)>=0)?(((9)&1)?(t_d[(9) /2]|=(((18) - 12)&1)?(buf.bn[((18) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((18) - 12)/2]<<32)) :(t_d[(9)/2] =(((18) - 12 )&1)?(buf.bn[((18) - 12)/2]>>32):(buf.bn[((18) - 12 )/2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((19) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((19) - 12)&1)?(buf.bn[((19) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((19) - 12)/2]<<32)) :(t_d[(10)/2] =(((19) - 12)&1)?(buf.bn[((19) - 12)/2]>>32):(buf.bn[((19) - 12)/2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&= (0xffffffffL)):(t_d[(10)/2]=0)); (((20) - 12)>=0)?(((11)& 1)?(t_d[(11)/2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]& (0xffffffff00000000L)):(buf.bn[((20) - 12)/2]<<32)) :(t_d [(11)/2] =(((20) - 12)&1)?(buf.bn[((20) - 12)/2]>>32 ):(buf.bn[((20) - 12)/2]&(0xffffffffL)))):(((11)&1)?( t_d[(11)/2]&=(0xffffffffL)):(t_d[(11)/2]=0)); }; |
| 1162 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+64 -1)/64); |
| 1163 | /*S4*/ |
| 1164 | nist_set_384(t_d, buf.bn, 19, 18, 17, 16, 15, 14, 13, 12, 20,{ (((0) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 12)& 1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf.bn[( (0) - 12)/2]<<32)) :(t_d[(0)/2] =(((0) - 12)&1)?(buf .bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((23) - 12)>=0)?(((1)&1)?(t_d[(1)/2]|=(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L)):(buf .bn[((23) - 12)/2]<<32)) :(t_d[(1)/2] =(((23) - 12)& 1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((0) - 12)>=0)?(((2)&1)?(t_d[(2)/2] |=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(2)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((20) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((20) - 12)/2]<<32)) :(t_d[(3)/2] =(((20) - 12 )&1)?(buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((12) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((12) - 12)&1)?(buf.bn[((12) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 12)/2]<<32)) :(t_d[(4)/2] =(((12) - 12 )&1)?(buf.bn[((12) - 12)/2]>>32):(buf.bn[((12) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((13) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((13) - 12)&1)?(buf.bn[((13) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 12)/2]<<32)) :(t_d[(5)/2] =(((13) - 12 )&1)?(buf.bn[((13) - 12)/2]>>32):(buf.bn[((13) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((14) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((14) - 12)&1)?(buf.bn[((14) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 12)/2]<<32)) :(t_d[(6)/2] =(((14) - 12 )&1)?(buf.bn[((14) - 12)/2]>>32):(buf.bn[((14) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((15) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((15) - 12)&1)?(buf.bn[((15) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 12)/2]<<32)) :(t_d[(7)/2] =(((15) - 12 )&1)?(buf.bn[((15) - 12)/2]>>32):(buf.bn[((15) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((16) - 12)>=0)?(((8)&1)?(t_d[(8) /2]|=(((16) - 12)&1)?(buf.bn[((16) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((16) - 12)/2]<<32)) :(t_d[(8)/2] =(((16) - 12 )&1)?(buf.bn[((16) - 12)/2]>>32):(buf.bn[((16) - 12 )/2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((17) - 12)>=0)?(((9)&1)?(t_d[(9) /2]|=(((17) - 12)&1)?(buf.bn[((17) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((17) - 12)/2]<<32)) :(t_d[(9)/2] =(((17) - 12 )&1)?(buf.bn[((17) - 12)/2]>>32):(buf.bn[((17) - 12 )/2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((18) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((18) - 12)&1)?(buf.bn[((18) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((18) - 12)/2]<<32)) :(t_d[(10)/2] =(((18) - 12)&1)?(buf.bn[((18) - 12)/2]>>32):(buf.bn[((18) - 12)/2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&= (0xffffffffL)):(t_d[(10)/2]=0)); (((19) - 12)>=0)?(((11)& 1)?(t_d[(11)/2]|=(((19) - 12)&1)?(buf.bn[((19) - 12)/2]& (0xffffffff00000000L)):(buf.bn[((19) - 12)/2]<<32)) :(t_d [(11)/2] =(((19) - 12)&1)?(buf.bn[((19) - 12)/2]>>32 ):(buf.bn[((19) - 12)/2]&(0xffffffffL)))):(((11)&1)?( t_d[(11)/2]&=(0xffffffffL)):(t_d[(11)/2]=0)); } |
| 1165 | 0, 23, 0){ (((0) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 12)& 1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf.bn[( (0) - 12)/2]<<32)) :(t_d[(0)/2] =(((0) - 12)&1)?(buf .bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((23) - 12)>=0)?(((1)&1)?(t_d[(1)/2]|=(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L)):(buf .bn[((23) - 12)/2]<<32)) :(t_d[(1)/2] =(((23) - 12)& 1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((0) - 12)>=0)?(((2)&1)?(t_d[(2)/2] |=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(2)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((20) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((20) - 12)/2]<<32)) :(t_d[(3)/2] =(((20) - 12 )&1)?(buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((12) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((12) - 12)&1)?(buf.bn[((12) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 12)/2]<<32)) :(t_d[(4)/2] =(((12) - 12 )&1)?(buf.bn[((12) - 12)/2]>>32):(buf.bn[((12) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((13) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((13) - 12)&1)?(buf.bn[((13) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 12)/2]<<32)) :(t_d[(5)/2] =(((13) - 12 )&1)?(buf.bn[((13) - 12)/2]>>32):(buf.bn[((13) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((14) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((14) - 12)&1)?(buf.bn[((14) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 12)/2]<<32)) :(t_d[(6)/2] =(((14) - 12 )&1)?(buf.bn[((14) - 12)/2]>>32):(buf.bn[((14) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((15) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((15) - 12)&1)?(buf.bn[((15) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 12)/2]<<32)) :(t_d[(7)/2] =(((15) - 12 )&1)?(buf.bn[((15) - 12)/2]>>32):(buf.bn[((15) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((16) - 12)>=0)?(((8)&1)?(t_d[(8) /2]|=(((16) - 12)&1)?(buf.bn[((16) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((16) - 12)/2]<<32)) :(t_d[(8)/2] =(((16) - 12 )&1)?(buf.bn[((16) - 12)/2]>>32):(buf.bn[((16) - 12 )/2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((17) - 12)>=0)?(((9)&1)?(t_d[(9) /2]|=(((17) - 12)&1)?(buf.bn[((17) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((17) - 12)/2]<<32)) :(t_d[(9)/2] =(((17) - 12 )&1)?(buf.bn[((17) - 12)/2]>>32):(buf.bn[((17) - 12 )/2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((18) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((18) - 12)&1)?(buf.bn[((18) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((18) - 12)/2]<<32)) :(t_d[(10)/2] =(((18) - 12)&1)?(buf.bn[((18) - 12)/2]>>32):(buf.bn[((18) - 12)/2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&= (0xffffffffL)):(t_d[(10)/2]=0)); (((19) - 12)>=0)?(((11)& 1)?(t_d[(11)/2]|=(((19) - 12)&1)?(buf.bn[((19) - 12)/2]& (0xffffffff00000000L)):(buf.bn[((19) - 12)/2]<<32)) :(t_d [(11)/2] =(((19) - 12)&1)?(buf.bn[((19) - 12)/2]>>32 ):(buf.bn[((19) - 12)/2]&(0xffffffffL)))):(((11)&1)?( t_d[(11)/2]&=(0xffffffffL)):(t_d[(11)/2]=0)); }; |
| 1166 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+64 -1)/64); |
| 1167 | /*S5*/ |
| 1168 | nist_set_384(t_d, buf.bn, 0,0, 0,0, 23, 22, 21, 20, 0,0, 0, 0){ (((0) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 12)& 1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf.bn[( (0) - 12)/2]<<32)) :(t_d[(0)/2] =(((0) - 12)&1)?(buf .bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((0) - 12)>=0)?(((1)&1)?(t_d[(1)/2]|=(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf .bn[((0) - 12)/2]<<32)) :(t_d[(1)/2] =(((0) - 12)&1 )?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((0) - 12)>=0)?(((2)&1)?(t_d[(2)/2] |=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(2)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((0) - 12)>=0)?(((3)&1)?(t_d[(3)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(3)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((20) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((20) - 12)/2]<<32)) :(t_d[(4)/2] =(((20) - 12 )&1)?(buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((21) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((21) - 12)&1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((21) - 12)/2]<<32)) :(t_d[(5)/2] =(((21) - 12 )&1)?(buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((22) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((22) - 12)/2]<<32)) :(t_d[(6)/2] =(((22) - 12 )&1)?(buf.bn[((22) - 12)/2]>>32):(buf.bn[((22) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((23) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(7)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((0) - 12)>=0)?(((8)&1)?(t_d[(8)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(8)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((0) - 12)>=0)?(((9)&1)?(t_d[(9)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(9)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((0) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(10)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&=(0xffffffffL )):(t_d[(10)/2]=0)); (((0) - 12)>=0)?(((11)&1)?(t_d[(11 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(11)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((11)&1)?(t_d[(11)/2]&=(0xffffffffL )):(t_d[(11)/2]=0)); }; |
| 1169 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+64 -1)/64); |
| 1170 | /*S6*/ |
| 1171 | nist_set_384(t_d, buf.bn, 0,0, 0,0, 0,0, 23, 22, 21, 0,0, 20){ (((20) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((20) - 12)& 1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L)):(buf.bn[ ((20) - 12)/2]<<32)) :(t_d[(0)/2] =(((20) - 12)&1)? (buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12)/2]& (0xffffffffL)))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)) :(t_d[(0)/2]=0)); (((0) - 12)>=0)?(((1)&1)?(t_d[(1)/2] |=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(1)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL )):(t_d[(1)/2]=0)); (((0) - 12)>=0)?(((2)&1)?(t_d[(2)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(2)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((21) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((21) - 12)&1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((21) - 12)/2]<<32)) :(t_d[(3)/2] =(((21) - 12 )&1)?(buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((22) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((22) - 12)/2]<<32)) :(t_d[(4)/2] =(((22) - 12 )&1)?(buf.bn[((22) - 12)/2]>>32):(buf.bn[((22) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((23) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(5)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((0) - 12)>=0)?(((6)&1)?(t_d[(6)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(6)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((0) - 12)>=0)?(((7)&1)?(t_d[(7)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(7)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((0) - 12)>=0)?(((8)&1)?(t_d[(8)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(8)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((0) - 12)>=0)?(((9)&1)?(t_d[(9)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(9)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((0) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(10)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&=(0xffffffffL )):(t_d[(10)/2]=0)); (((0) - 12)>=0)?(((11)&1)?(t_d[(11 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(11)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((11)&1)?(t_d[(11)/2]&=(0xffffffffL )):(t_d[(11)/2]=0)); }; |
| 1172 | carry += (int)bn_add_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+64 -1)/64); |
| 1173 | /*D1*/ |
| 1174 | nist_set_384(t_d, buf.bn, 22, 21, 20, 19, 18, 17, 16, 15, 14,{ (((23) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((23) - 12)& 1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L)):(buf.bn[ ((23) - 12)/2]<<32)) :(t_d[(0)/2] =(((23) - 12)&1)? (buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12)/2]& (0xffffffffL)))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)) :(t_d[(0)/2]=0)); (((12) - 12)>=0)?(((1)&1)?(t_d[(1)/2 ]|=(((12) - 12)&1)?(buf.bn[((12) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 12)/2]<<32)) :(t_d[(1)/2] =(((12) - 12 )&1)?(buf.bn[((12) - 12)/2]>>32):(buf.bn[((12) - 12 )/2]&(0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL )):(t_d[(1)/2]=0)); (((13) - 12)>=0)?(((2)&1)?(t_d[(2) /2]|=(((13) - 12)&1)?(buf.bn[((13) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 12)/2]<<32)) :(t_d[(2)/2] =(((13) - 12 )&1)?(buf.bn[((13) - 12)/2]>>32):(buf.bn[((13) - 12 )/2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((14) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((14) - 12)&1)?(buf.bn[((14) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 12)/2]<<32)) :(t_d[(3)/2] =(((14) - 12 )&1)?(buf.bn[((14) - 12)/2]>>32):(buf.bn[((14) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((15) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((15) - 12)&1)?(buf.bn[((15) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 12)/2]<<32)) :(t_d[(4)/2] =(((15) - 12 )&1)?(buf.bn[((15) - 12)/2]>>32):(buf.bn[((15) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((16) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((16) - 12)&1)?(buf.bn[((16) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((16) - 12)/2]<<32)) :(t_d[(5)/2] =(((16) - 12 )&1)?(buf.bn[((16) - 12)/2]>>32):(buf.bn[((16) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((17) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((17) - 12)&1)?(buf.bn[((17) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((17) - 12)/2]<<32)) :(t_d[(6)/2] =(((17) - 12 )&1)?(buf.bn[((17) - 12)/2]>>32):(buf.bn[((17) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((18) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((18) - 12)&1)?(buf.bn[((18) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((18) - 12)/2]<<32)) :(t_d[(7)/2] =(((18) - 12 )&1)?(buf.bn[((18) - 12)/2]>>32):(buf.bn[((18) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((19) - 12)>=0)?(((8)&1)?(t_d[(8) /2]|=(((19) - 12)&1)?(buf.bn[((19) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((19) - 12)/2]<<32)) :(t_d[(8)/2] =(((19) - 12 )&1)?(buf.bn[((19) - 12)/2]>>32):(buf.bn[((19) - 12 )/2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((20) - 12)>=0)?(((9)&1)?(t_d[(9) /2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((20) - 12)/2]<<32)) :(t_d[(9)/2] =(((20) - 12 )&1)?(buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12 )/2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((21) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((21) - 12)&1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((21) - 12)/2]<<32)) :(t_d[(10)/2] =(((21) - 12)&1)?(buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12)/2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&= (0xffffffffL)):(t_d[(10)/2]=0)); (((22) - 12)>=0)?(((11)& 1)?(t_d[(11)/2]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]& (0xffffffff00000000L)):(buf.bn[((22) - 12)/2]<<32)) :(t_d [(11)/2] =(((22) - 12)&1)?(buf.bn[((22) - 12)/2]>>32 ):(buf.bn[((22) - 12)/2]&(0xffffffffL)))):(((11)&1)?( t_d[(11)/2]&=(0xffffffffL)):(t_d[(11)/2]=0)); } |
| 1175 | 13, 12, 23){ (((23) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((23) - 12)& 1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L)):(buf.bn[ ((23) - 12)/2]<<32)) :(t_d[(0)/2] =(((23) - 12)&1)? (buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12)/2]& (0xffffffffL)))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)) :(t_d[(0)/2]=0)); (((12) - 12)>=0)?(((1)&1)?(t_d[(1)/2 ]|=(((12) - 12)&1)?(buf.bn[((12) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((12) - 12)/2]<<32)) :(t_d[(1)/2] =(((12) - 12 )&1)?(buf.bn[((12) - 12)/2]>>32):(buf.bn[((12) - 12 )/2]&(0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL )):(t_d[(1)/2]=0)); (((13) - 12)>=0)?(((2)&1)?(t_d[(2) /2]|=(((13) - 12)&1)?(buf.bn[((13) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((13) - 12)/2]<<32)) :(t_d[(2)/2] =(((13) - 12 )&1)?(buf.bn[((13) - 12)/2]>>32):(buf.bn[((13) - 12 )/2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((14) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((14) - 12)&1)?(buf.bn[((14) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((14) - 12)/2]<<32)) :(t_d[(3)/2] =(((14) - 12 )&1)?(buf.bn[((14) - 12)/2]>>32):(buf.bn[((14) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((15) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((15) - 12)&1)?(buf.bn[((15) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((15) - 12)/2]<<32)) :(t_d[(4)/2] =(((15) - 12 )&1)?(buf.bn[((15) - 12)/2]>>32):(buf.bn[((15) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((16) - 12)>=0)?(((5)&1)?(t_d[(5) /2]|=(((16) - 12)&1)?(buf.bn[((16) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((16) - 12)/2]<<32)) :(t_d[(5)/2] =(((16) - 12 )&1)?(buf.bn[((16) - 12)/2]>>32):(buf.bn[((16) - 12 )/2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((17) - 12)>=0)?(((6)&1)?(t_d[(6) /2]|=(((17) - 12)&1)?(buf.bn[((17) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((17) - 12)/2]<<32)) :(t_d[(6)/2] =(((17) - 12 )&1)?(buf.bn[((17) - 12)/2]>>32):(buf.bn[((17) - 12 )/2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((18) - 12)>=0)?(((7)&1)?(t_d[(7) /2]|=(((18) - 12)&1)?(buf.bn[((18) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((18) - 12)/2]<<32)) :(t_d[(7)/2] =(((18) - 12 )&1)?(buf.bn[((18) - 12)/2]>>32):(buf.bn[((18) - 12 )/2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((19) - 12)>=0)?(((8)&1)?(t_d[(8) /2]|=(((19) - 12)&1)?(buf.bn[((19) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((19) - 12)/2]<<32)) :(t_d[(8)/2] =(((19) - 12 )&1)?(buf.bn[((19) - 12)/2]>>32):(buf.bn[((19) - 12 )/2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((20) - 12)>=0)?(((9)&1)?(t_d[(9) /2]|=(((20) - 12)&1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((20) - 12)/2]<<32)) :(t_d[(9)/2] =(((20) - 12 )&1)?(buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12 )/2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((21) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((21) - 12)&1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((21) - 12)/2]<<32)) :(t_d[(10)/2] =(((21) - 12)&1)?(buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12)/2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&= (0xffffffffL)):(t_d[(10)/2]=0)); (((22) - 12)>=0)?(((11)& 1)?(t_d[(11)/2]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]& (0xffffffff00000000L)):(buf.bn[((22) - 12)/2]<<32)) :(t_d [(11)/2] =(((22) - 12)&1)?(buf.bn[((22) - 12)/2]>>32 ):(buf.bn[((22) - 12)/2]&(0xffffffffL)))):(((11)&1)?( t_d[(11)/2]&=(0xffffffffL)):(t_d[(11)/2]=0)); }; |
| 1176 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+64 -1)/64); |
| 1177 | /*D2*/ |
| 1178 | nist_set_384(t_d, buf.bn, 0,0, 0,0, 0,0, 0,23, 22, 21, 20, 0){ (((0) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 12)& 1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf.bn[( (0) - 12)/2]<<32)) :(t_d[(0)/2] =(((0) - 12)&1)?(buf .bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((20) - 12)>=0)?(((1)&1)?(t_d[(1)/2]|=(((20) - 12 )&1)?(buf.bn[((20) - 12)/2]&(0xffffffff00000000L)):(buf .bn[((20) - 12)/2]<<32)) :(t_d[(1)/2] =(((20) - 12)& 1)?(buf.bn[((20) - 12)/2]>>32):(buf.bn[((20) - 12)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((21) - 12)>=0)?(((2)&1)?(t_d[(2)/2 ]|=(((21) - 12)&1)?(buf.bn[((21) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((21) - 12)/2]<<32)) :(t_d[(2)/2] =(((21) - 12 )&1)?(buf.bn[((21) - 12)/2]>>32):(buf.bn[((21) - 12 )/2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((22) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((22) - 12)&1)?(buf.bn[((22) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((22) - 12)/2]<<32)) :(t_d[(3)/2] =(((22) - 12 )&1)?(buf.bn[((22) - 12)/2]>>32):(buf.bn[((22) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((23) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(4)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((0) - 12)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(5)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((0) - 12)>=0)?(((6)&1)?(t_d[(6)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(6)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((0) - 12)>=0)?(((7)&1)?(t_d[(7)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(7)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((0) - 12)>=0)?(((8)&1)?(t_d[(8)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(8)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((0) - 12)>=0)?(((9)&1)?(t_d[(9)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(9)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((0) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(10)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&=(0xffffffffL )):(t_d[(10)/2]=0)); (((0) - 12)>=0)?(((11)&1)?(t_d[(11 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(11)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((11)&1)?(t_d[(11)/2]&=(0xffffffffL )):(t_d[(11)/2]=0)); }; |
| 1179 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+64 -1)/64); |
| 1180 | /*D3*/ |
| 1181 | nist_set_384(t_d, buf.bn, 0,0, 0,0, 0,0, 0,23, 23, 0,0, 0){ (((0) - 12)>=0)?(((0)&1)?(t_d[(0)/2]|=(((0) - 12)& 1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf.bn[( (0) - 12)/2]<<32)) :(t_d[(0)/2] =(((0) - 12)&1)?(buf .bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]&(0xffffffffL )))):(((0)&1)?(t_d[(0)/2]&=(0xffffffffL)):(t_d[(0)/2] =0)); (((0) - 12)>=0)?(((1)&1)?(t_d[(1)/2]|=(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L)):(buf .bn[((0) - 12)/2]<<32)) :(t_d[(1)/2] =(((0) - 12)&1 )?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/2]& (0xffffffffL)))):(((1)&1)?(t_d[(1)/2]&=(0xffffffffL)) :(t_d[(1)/2]=0)); (((0) - 12)>=0)?(((2)&1)?(t_d[(2)/2] |=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(2)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((2)&1)?(t_d[(2)/2]&=(0xffffffffL )):(t_d[(2)/2]=0)); (((23) - 12)>=0)?(((3)&1)?(t_d[(3) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(3)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((3)&1)?(t_d[(3)/2]&=(0xffffffffL )):(t_d[(3)/2]=0)); (((23) - 12)>=0)?(((4)&1)?(t_d[(4) /2]|=(((23) - 12)&1)?(buf.bn[((23) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((23) - 12)/2]<<32)) :(t_d[(4)/2] =(((23) - 12 )&1)?(buf.bn[((23) - 12)/2]>>32):(buf.bn[((23) - 12 )/2]&(0xffffffffL)))):(((4)&1)?(t_d[(4)/2]&=(0xffffffffL )):(t_d[(4)/2]=0)); (((0) - 12)>=0)?(((5)&1)?(t_d[(5)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(5)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((5)&1)?(t_d[(5)/2]&=(0xffffffffL )):(t_d[(5)/2]=0)); (((0) - 12)>=0)?(((6)&1)?(t_d[(6)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(6)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((6)&1)?(t_d[(6)/2]&=(0xffffffffL )):(t_d[(6)/2]=0)); (((0) - 12)>=0)?(((7)&1)?(t_d[(7)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(7)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((7)&1)?(t_d[(7)/2]&=(0xffffffffL )):(t_d[(7)/2]=0)); (((0) - 12)>=0)?(((8)&1)?(t_d[(8)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(8)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((8)&1)?(t_d[(8)/2]&=(0xffffffffL )):(t_d[(8)/2]=0)); (((0) - 12)>=0)?(((9)&1)?(t_d[(9)/ 2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(9)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((9)&1)?(t_d[(9)/2]&=(0xffffffffL )):(t_d[(9)/2]=0)); (((0) - 12)>=0)?(((10)&1)?(t_d[(10 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(10)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((10)&1)?(t_d[(10)/2]&=(0xffffffffL )):(t_d[(10)/2]=0)); (((0) - 12)>=0)?(((11)&1)?(t_d[(11 )/2]|=(((0) - 12)&1)?(buf.bn[((0) - 12)/2]&(0xffffffff00000000L )):(buf.bn[((0) - 12)/2]<<32)) :(t_d[(11)/2] =(((0) - 12 )&1)?(buf.bn[((0) - 12)/2]>>32):(buf.bn[((0) - 12)/ 2]&(0xffffffffL)))):(((11)&1)?(t_d[(11)/2]&=(0xffffffffL )):(t_d[(11)/2]=0)); }; |
| 1182 | carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_384_TOP(384+64 -1)/64); |
| 1183 | |
| 1184 | } |
| 1185 | #endif |
| 1186 | /* see BN_nist_mod_224 for explanation */ |
| 1187 | u.f = bn_sub_words; |
| 1188 | if (carry > 0) |
| 1189 | carry = (int)bn_sub_words(r_d, r_d, _nist_p_384[carry - 1], |
| 1190 | BN_NIST_384_TOP(384+64 -1)/64); |
| 1191 | else if (carry < 0) { |
| 1192 | carry = (int)bn_add_words(r_d, r_d, _nist_p_384[-carry - 1], |
| 1193 | BN_NIST_384_TOP(384+64 -1)/64); |
| 1194 | mask = 0 - (uintptr_t)carry; |
| 1195 | u.p = ((uintptr_t)bn_sub_words & mask) | |
| 1196 | ((uintptr_t)bn_add_words & ~mask); |
| 1197 | } else |
| 1198 | carry = 1; |
| 1199 | |
| 1200 | mask = 0 - (uintptr_t)(*u.f)(c_d, r_d, _nist_p_384[0], BN_NIST_384_TOP(384+64 -1)/64); |
| 1201 | mask &= 0 - (uintptr_t)carry; |
| 1202 | res = c_d; |
| 1203 | res = (BN_ULONGunsigned long *)(((uintptr_t)res & ~mask) | ((uintptr_t)r_d & mask)); |
| 1204 | nist_cp_bn(r_d, res, BN_NIST_384_TOP(384+64 -1)/64); |
| 1205 | r->top = BN_NIST_384_TOP(384+64 -1)/64; |
| 1206 | bn_correct_top(r){ unsigned long *ftl; int tmp_top = (r)->top; if (tmp_top > 0) { for (ftl= &((r)->d[tmp_top-1]); tmp_top > 0; tmp_top --) if (*(ftl--)) break; (r)->top = tmp_top; } ; }; |
| 1207 | |
| 1208 | return 1; |
| 1209 | } |
| 1210 | |
| 1211 | #define BN_NIST_521_RSHIFT(521%64) (521%BN_BITS264) |
| 1212 | #define BN_NIST_521_LSHIFT(64 -(521%64)) (BN_BITS264-BN_NIST_521_RSHIFT(521%64)) |
| 1213 | #define BN_NIST_521_TOP_MASK((unsigned long)(0xffffffffffffffffL)>>(64 -(521%64))) ((BN_ULONGunsigned long)BN_MASK2(0xffffffffffffffffL)>>BN_NIST_521_LSHIFT(64 -(521%64))) |
| 1214 | |
| 1215 | int |
| 1216 | BN_nist_mod_521(BIGNUM *r, const BIGNUM *a, const BIGNUM *field, BN_CTX *ctx) |
| 1217 | { |
| 1218 | int top = a->top, i; |
| 1219 | BN_ULONGunsigned long *r_d, *a_d = a->d, t_d[BN_NIST_521_TOP(521+64 -1)/64], val, tmp, *res; |
| 1220 | uintptr_t mask; |
| 1221 | static const BIGNUM _bignum_nist_p_521_sqr = { |
| 1222 | (BN_ULONGunsigned long *)_nist_p_521_sqr, |
| 1223 | sizeof(_nist_p_521_sqr) / sizeof(_nist_p_521_sqr[0]), |
| 1224 | sizeof(_nist_p_521_sqr) / sizeof(_nist_p_521_sqr[0]), |
| 1225 | 0, |
| 1226 | BN_FLG_STATIC_DATA0x02 |
| 1227 | }; |
| 1228 | |
| 1229 | field = &_bignum_nist_p_521; /* just to make sure */ |
| 1230 | |
| 1231 | if (BN_is_negative(a) || BN_ucmp(a, &_bignum_nist_p_521_sqr) >= 0) |
| 1232 | return BN_nnmod(r, a, field, ctx); |
| 1233 | |
| 1234 | i = BN_ucmp(field, a); |
| 1235 | if (i == 0) { |
| 1236 | BN_zero(r)(BN_set_word((r),0)); |
| 1237 | return 1; |
| 1238 | } else if (i > 0) |
| 1239 | return (r == a) ? 1 : (BN_copy(r, a) != NULL((void *)0)); |
| 1240 | |
| 1241 | if (r != a) { |
| 1242 | if (!bn_wexpand(r, BN_NIST_521_TOP)((((521+64 -1)/64) <= (r)->dmax)?(r):bn_expand2((r),((521 +64 -1)/64)))) |
| 1243 | return 0; |
| 1244 | r_d = r->d; |
| 1245 | nist_cp_bn(r_d, a_d, BN_NIST_521_TOP(521+64 -1)/64); |
| 1246 | } else |
| 1247 | r_d = a_d; |
| 1248 | |
| 1249 | /* upper 521 bits, copy ... */ |
| 1250 | nist_cp_bn_0(t_d, a_d + (BN_NIST_521_TOP(521+64 -1)/64 - 1), |
| 1251 | top - (BN_NIST_521_TOP(521+64 -1)/64 - 1), BN_NIST_521_TOP(521+64 -1)/64); |
| 1252 | /* ... and right shift */ |
| 1253 | for (val = t_d[0], i = 0; i < BN_NIST_521_TOP(521+64 -1)/64 - 1; i++) { |
| 1254 | tmp = val >> BN_NIST_521_RSHIFT(521%64); |
| 1255 | val = t_d[i + 1]; |
| 1256 | t_d[i] = (tmp | val << BN_NIST_521_LSHIFT(64 -(521%64))) & BN_MASK2(0xffffffffffffffffL); |
| 1257 | } |
| 1258 | t_d[i] = val >> BN_NIST_521_RSHIFT(521%64); |
| 1259 | /* lower 521 bits */ |
| 1260 | r_d[i] &= BN_NIST_521_TOP_MASK((unsigned long)(0xffffffffffffffffL)>>(64 -(521%64))); |
| 1261 | |
| 1262 | bn_add_words(r_d, r_d, t_d, BN_NIST_521_TOP(521+64 -1)/64); |
| 1263 | mask = 0 - (uintptr_t)bn_sub_words(t_d, r_d, _nist_p_521, |
| 1264 | BN_NIST_521_TOP(521+64 -1)/64); |
| 1265 | res = t_d; |
| 1266 | res = (BN_ULONGunsigned long *)(((uintptr_t)res & ~mask) | ((uintptr_t)r_d & mask)); |
| 1267 | nist_cp_bn(r_d, res, BN_NIST_521_TOP(521+64 -1)/64); |
| 1268 | r->top = BN_NIST_521_TOP(521+64 -1)/64; |
| 1269 | bn_correct_top(r){ unsigned long *ftl; int tmp_top = (r)->top; if (tmp_top > 0) { for (ftl= &((r)->d[tmp_top-1]); tmp_top > 0; tmp_top --) if (*(ftl--)) break; (r)->top = tmp_top; } ; }; |
| 1270 | |
| 1271 | return 1; |
| 1272 | } |