-static const smallfelem gmul[2][16][3] =
-{{{{0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0}},
- {{0xf4a13945d898c296, 0x77037d812deb33a0, 0xf8bce6e563a440f2, 0x6b17d1f2e12c4247},
- {0xcbb6406837bf51f5, 0x2bce33576b315ece, 0x8ee7eb4a7c0f9e16, 0x4fe342e2fe1a7f9b},
- {1, 0, 0, 0}},
- {{0x90e75cb48e14db63, 0x29493baaad651f7e, 0x8492592e326e25de, 0x0fa822bc2811aaa5},
- {0xe41124545f462ee7, 0x34b1a65050fe82f5, 0x6f4ad4bcb3df188b, 0xbff44ae8f5dba80d},
- {1, 0, 0, 0}},
- {{0x93391ce2097992af, 0xe96c98fd0d35f1fa, 0xb257c0de95e02789, 0x300a4bbc89d6726f},
- {0xaa54a291c08127a0, 0x5bb1eeada9d806a5, 0x7f1ddb25ff1e3c6f, 0x72aac7e0d09b4644},
- {1, 0, 0, 0}},
- {{0x57c84fc9d789bd85, 0xfc35ff7dc297eac3, 0xfb982fd588c6766e, 0x447d739beedb5e67},
- {0x0c7e33c972e25b32, 0x3d349b95a7fae500, 0xe12e9d953a4aaff7, 0x2d4825ab834131ee},
- {1, 0, 0, 0}},
- {{0x13949c932a1d367f, 0xef7fbd2b1a0a11b7, 0xddc6068bb91dfc60, 0xef9519328a9c72ff},
- {0x196035a77376d8a8, 0x23183b0895ca1740, 0xc1ee9807022c219c, 0x611e9fc37dbb2c9b},
- {1, 0, 0, 0}},
- {{0xcae2b1920b57f4bc, 0x2936df5ec6c9bc36, 0x7dea6482e11238bf, 0x550663797b51f5d8},
- {0x44ffe216348a964c, 0x9fb3d576dbdefbe1, 0x0afa40018d9d50e5, 0x157164848aecb851},
- {1, 0, 0, 0}},
- {{0xe48ecafffc5cde01, 0x7ccd84e70d715f26, 0xa2e8f483f43e4391, 0xeb5d7745b21141ea},
- {0xcac917e2731a3479, 0x85f22cfe2844b645, 0x0990e6a158006cee, 0xeafd72ebdbecc17b},
- {1, 0, 0, 0}},
- {{0x6cf20ffb313728be, 0x96439591a3c6b94a, 0x2736ff8344315fc5, 0xa6d39677a7849276},
- {0xf2bab833c357f5f4, 0x824a920c2284059b, 0x66b8babd2d27ecdf, 0x674f84749b0b8816},
- {1, 0, 0, 0}},
- {{0x2df48c04677c8a3e, 0x74e02f080203a56b, 0x31855f7db8c7fedb, 0x4e769e7672c9ddad},
- {0xa4c36165b824bbb0, 0xfb9ae16f3b9122a5, 0x1ec0057206947281, 0x42b99082de830663},
- {1, 0, 0, 0}},
- {{0x6ef95150dda868b9, 0xd1f89e799c0ce131, 0x7fdc1ca008a1c478, 0x78878ef61c6ce04d},
- {0x9c62b9121fe0d976, 0x6ace570ebde08d4f, 0xde53142c12309def, 0xb6cb3f5d7b72c321},
- {1, 0, 0, 0}},
- {{0x7f991ed2c31a3573, 0x5b82dd5bd54fb496, 0x595c5220812ffcae, 0x0c88bc4d716b1287},
- {0x3a57bf635f48aca8, 0x7c8181f4df2564f3, 0x18d1b5b39c04e6aa, 0xdd5ddea3f3901dc6},
- {1, 0, 0, 0}},
- {{0xe96a79fb3e72ad0c, 0x43a0a28c42ba792f, 0xefe0a423083e49f3, 0x68f344af6b317466},
- {0xcdfe17db3fb24d4a, 0x668bfc2271f5c626, 0x604ed93c24d67ff3, 0x31b9c405f8540a20},
- {1, 0, 0, 0}},
- {{0xd36b4789a2582e7f, 0x0d1a10144ec39c28, 0x663c62c3edbad7a0, 0x4052bf4b6f461db9},
- {0x235a27c3188d25eb, 0xe724f33999bfcc5b, 0x862be6bd71d70cc8, 0xfecf4d5190b0fc61},
- {1, 0, 0, 0}},
- {{0x74346c10a1d4cfac, 0xafdf5cc08526a7a4, 0x123202a8f62bff7a, 0x1eddbae2c802e41a},
- {0x8fa0af2dd603f844, 0x36e06b7e4c701917, 0x0c45f45273db33a0, 0x43104d86560ebcfc},
- {1, 0, 0, 0}},
- {{0x9615b5110d1d78e5, 0x66b0de3225c4744b, 0x0a4a46fb6aaf363a, 0xb48e26b484f7a21c},
- {0x06ebb0f621a01b2d, 0xc004e4048b7b0f98, 0x64131bcdfed6f668, 0xfac015404d4d3dab},
- {1, 0, 0, 0}}},
- {{{0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0}},
- {{0x3a5a9e22185a5943, 0x1ab919365c65dfb6, 0x21656b32262c71da, 0x7fe36b40af22af89},
- {0xd50d152c699ca101, 0x74b3d5867b8af212, 0x9f09f40407dca6f1, 0xe697d45825b63624},
- {1, 0, 0, 0}},
- {{0xa84aa9397512218e, 0xe9a521b074ca0141, 0x57880b3a18a2e902, 0x4a5b506612a677a6},
- {0x0beada7a4c4f3840, 0x626db15419e26d9d, 0xc42604fbe1627d40, 0xeb13461ceac089f1},
- {1, 0, 0, 0}},
- {{0xf9faed0927a43281, 0x5e52c4144103ecbc, 0xc342967aa815c857, 0x0781b8291c6a220a},
- {0x5a8343ceeac55f80, 0x88f80eeee54a05e3, 0x97b2a14f12916434, 0x690cde8df0151593},
- {1, 0, 0, 0}},
- {{0xaee9c75df7f82f2a, 0x9e4c35874afdf43a, 0xf5622df437371326, 0x8a535f566ec73617},
- {0xc5f9a0ac223094b7, 0xcde533864c8c7669, 0x37e02819085a92bf, 0x0455c08468b08bd7},
- {1, 0, 0, 0}},
- {{0x0c0a6e2c9477b5d9, 0xf9a4bf62876dc444, 0x5050a949b6cdc279, 0x06bada7ab77f8276},
- {0xc8b4aed1ea48dac9, 0xdebd8a4b7ea1070f, 0x427d49101366eb70, 0x5b476dfd0e6cb18a},
- {1, 0, 0, 0}},
- {{0x7c5c3e44278c340a, 0x4d54606812d66f3b, 0x29a751b1ae23c5d8, 0x3e29864e8a2ec908},
- {0x142d2a6626dbb850, 0xad1744c4765bd780, 0x1f150e68e322d1ed, 0x239b90ea3dc31e7e},
- {1, 0, 0, 0}},
- {{0x78c416527a53322a, 0x305dde6709776f8e, 0xdbcab759f8862ed4, 0x820f4dd949f72ff7},
- {0x6cc544a62b5debd4, 0x75be5d937b4e8cc4, 0x1b481b1b215c14d3, 0x140406ec783a05ec},
- {1, 0, 0, 0}},
- {{0x6a703f10e895df07, 0xfd75f3fa01876bd8, 0xeb5b06e70ce08ffe, 0x68f6b8542783dfee},
- {0x90c76f8a78712655, 0xcf5293d2f310bf7f, 0xfbc8044dfda45028, 0xcbe1feba92e40ce6},
- {1, 0, 0, 0}},
- {{0xe998ceea4396e4c1, 0xfc82ef0b6acea274, 0x230f729f2250e927, 0xd0b2f94d2f420109},
- {0x4305adddb38d4966, 0x10b838f8624c3b45, 0x7db2636658954e7a, 0x971459828b0719e5},
- {1, 0, 0, 0}},
- {{0x4bd6b72623369fc9, 0x57f2929e53d0b876, 0xc2d5cba4f2340687, 0x961610004a866aba},
- {0x49997bcd2e407a5e, 0x69ab197d92ddcb24, 0x2cf1f2438fe5131c, 0x7acb9fadcee75e44},
- {1, 0, 0, 0}},
- {{0x254e839423d2d4c0, 0xf57f0c917aea685b, 0xa60d880f6f75aaea, 0x24eb9acca333bf5b},
- {0xe3de4ccb1cda5dea, 0xfeef9341c51a6b4f, 0x743125f88bac4c4d, 0x69f891c5acd079cc},
- {1, 0, 0, 0}},
- {{0xeee44b35702476b5, 0x7ed031a0e45c2258, 0xb422d1e7bd6f8514, 0xe51f547c5972a107},
- {0xa25bcd6fc9cf343d, 0x8ca922ee097c184e, 0xa62f98b3a9fe9a06, 0x1c309a2b25bb1387},
- {1, 0, 0, 0}},
- {{0x9295dbeb1967c459, 0xb00148833472c98e, 0xc504977708011828, 0x20b87b8aa2c4e503},
- {0x3063175de057c277, 0x1bd539338fe582dd, 0x0d11adef5f69a044, 0xf5c6fa49919776be},
- {1, 0, 0, 0}},
- {{0x8c944e760fd59e11, 0x3876cba1102fad5f, 0xa454c3fad83faa56, 0x1ed7d1b9332010b9},
- {0xa1011a270024b889, 0x05e4d0dcac0cd344, 0x52b520f0eb6a2a24, 0x3a2b03f03217257a},
- {1, 0, 0, 0}},
- {{0xf20fc2afdf1d043d, 0xf330240db58d5a62, 0xfc7d229ca0058c3b, 0x15fee545c78dd9f6},
- {0x501e82885bc98cda, 0x41ef80e5d046ac04, 0x557d9f49461210fb, 0x4ab5b6b2b8753f81},
- {1, 0, 0, 0}}}};
-
-/* select_point selects the |idx|th point from a precomputation table and
- * copies it to out. */
-static void select_point(const u64 idx, unsigned int size, const smallfelem pre_comp[16][3], smallfelem out[3])
- {
- unsigned i, j;
- u64 *outlimbs = &out[0][0];
- memset(outlimbs, 0, 3 * sizeof(smallfelem));
-
- for (i = 0; i < size; i++)
- {
- const u64 *inlimbs = (u64*) &pre_comp[i][0][0];
- u64 mask = i ^ idx;
- mask |= mask >> 4;
- mask |= mask >> 2;
- mask |= mask >> 1;
- mask &= 1;
- mask--;
- for (j = 0; j < NLIMBS * 3; j++)
- outlimbs[j] |= inlimbs[j] & mask;
- }
- }
+static const smallfelem gmul[2][16][3] = {
+ {{{0, 0, 0, 0},
+ {0, 0, 0, 0},
+ {0, 0, 0, 0}},
+ {{0xf4a13945d898c296, 0x77037d812deb33a0, 0xf8bce6e563a440f2,
+ 0x6b17d1f2e12c4247},
+ {0xcbb6406837bf51f5, 0x2bce33576b315ece, 0x8ee7eb4a7c0f9e16,
+ 0x4fe342e2fe1a7f9b},
+ {1, 0, 0, 0}},
+ {{0x90e75cb48e14db63, 0x29493baaad651f7e, 0x8492592e326e25de,
+ 0x0fa822bc2811aaa5},
+ {0xe41124545f462ee7, 0x34b1a65050fe82f5, 0x6f4ad4bcb3df188b,
+ 0xbff44ae8f5dba80d},
+ {1, 0, 0, 0}},
+ {{0x93391ce2097992af, 0xe96c98fd0d35f1fa, 0xb257c0de95e02789,
+ 0x300a4bbc89d6726f},
+ {0xaa54a291c08127a0, 0x5bb1eeada9d806a5, 0x7f1ddb25ff1e3c6f,
+ 0x72aac7e0d09b4644},
+ {1, 0, 0, 0}},
+ {{0x57c84fc9d789bd85, 0xfc35ff7dc297eac3, 0xfb982fd588c6766e,
+ 0x447d739beedb5e67},
+ {0x0c7e33c972e25b32, 0x3d349b95a7fae500, 0xe12e9d953a4aaff7,
+ 0x2d4825ab834131ee},
+ {1, 0, 0, 0}},
+ {{0x13949c932a1d367f, 0xef7fbd2b1a0a11b7, 0xddc6068bb91dfc60,
+ 0xef9519328a9c72ff},
+ {0x196035a77376d8a8, 0x23183b0895ca1740, 0xc1ee9807022c219c,
+ 0x611e9fc37dbb2c9b},
+ {1, 0, 0, 0}},
+ {{0xcae2b1920b57f4bc, 0x2936df5ec6c9bc36, 0x7dea6482e11238bf,
+ 0x550663797b51f5d8},
+ {0x44ffe216348a964c, 0x9fb3d576dbdefbe1, 0x0afa40018d9d50e5,
+ 0x157164848aecb851},
+ {1, 0, 0, 0}},
+ {{0xe48ecafffc5cde01, 0x7ccd84e70d715f26, 0xa2e8f483f43e4391,
+ 0xeb5d7745b21141ea},
+ {0xcac917e2731a3479, 0x85f22cfe2844b645, 0x0990e6a158006cee,
+ 0xeafd72ebdbecc17b},
+ {1, 0, 0, 0}},
+ {{0x6cf20ffb313728be, 0x96439591a3c6b94a, 0x2736ff8344315fc5,
+ 0xa6d39677a7849276},
+ {0xf2bab833c357f5f4, 0x824a920c2284059b, 0x66b8babd2d27ecdf,
+ 0x674f84749b0b8816},
+ {1, 0, 0, 0}},
+ {{0x2df48c04677c8a3e, 0x74e02f080203a56b, 0x31855f7db8c7fedb,
+ 0x4e769e7672c9ddad},
+ {0xa4c36165b824bbb0, 0xfb9ae16f3b9122a5, 0x1ec0057206947281,
+ 0x42b99082de830663},
+ {1, 0, 0, 0}},
+ {{0x6ef95150dda868b9, 0xd1f89e799c0ce131, 0x7fdc1ca008a1c478,
+ 0x78878ef61c6ce04d},
+ {0x9c62b9121fe0d976, 0x6ace570ebde08d4f, 0xde53142c12309def,
+ 0xb6cb3f5d7b72c321},
+ {1, 0, 0, 0}},
+ {{0x7f991ed2c31a3573, 0x5b82dd5bd54fb496, 0x595c5220812ffcae,
+ 0x0c88bc4d716b1287},
+ {0x3a57bf635f48aca8, 0x7c8181f4df2564f3, 0x18d1b5b39c04e6aa,
+ 0xdd5ddea3f3901dc6},
+ {1, 0, 0, 0}},
+ {{0xe96a79fb3e72ad0c, 0x43a0a28c42ba792f, 0xefe0a423083e49f3,
+ 0x68f344af6b317466},
+ {0xcdfe17db3fb24d4a, 0x668bfc2271f5c626, 0x604ed93c24d67ff3,
+ 0x31b9c405f8540a20},
+ {1, 0, 0, 0}},
+ {{0xd36b4789a2582e7f, 0x0d1a10144ec39c28, 0x663c62c3edbad7a0,
+ 0x4052bf4b6f461db9},
+ {0x235a27c3188d25eb, 0xe724f33999bfcc5b, 0x862be6bd71d70cc8,
+ 0xfecf4d5190b0fc61},
+ {1, 0, 0, 0}},
+ {{0x74346c10a1d4cfac, 0xafdf5cc08526a7a4, 0x123202a8f62bff7a,
+ 0x1eddbae2c802e41a},
+ {0x8fa0af2dd603f844, 0x36e06b7e4c701917, 0x0c45f45273db33a0,
+ 0x43104d86560ebcfc},
+ {1, 0, 0, 0}},
+ {{0x9615b5110d1d78e5, 0x66b0de3225c4744b, 0x0a4a46fb6aaf363a,
+ 0xb48e26b484f7a21c},
+ {0x06ebb0f621a01b2d, 0xc004e4048b7b0f98, 0x64131bcdfed6f668,
+ 0xfac015404d4d3dab},
+ {1, 0, 0, 0}}},
+ {{{0, 0, 0, 0},
+ {0, 0, 0, 0},
+ {0, 0, 0, 0}},
+ {{0x3a5a9e22185a5943, 0x1ab919365c65dfb6, 0x21656b32262c71da,
+ 0x7fe36b40af22af89},
+ {0xd50d152c699ca101, 0x74b3d5867b8af212, 0x9f09f40407dca6f1,
+ 0xe697d45825b63624},
+ {1, 0, 0, 0}},
+ {{0xa84aa9397512218e, 0xe9a521b074ca0141, 0x57880b3a18a2e902,
+ 0x4a5b506612a677a6},
+ {0x0beada7a4c4f3840, 0x626db15419e26d9d, 0xc42604fbe1627d40,
+ 0xeb13461ceac089f1},
+ {1, 0, 0, 0}},
+ {{0xf9faed0927a43281, 0x5e52c4144103ecbc, 0xc342967aa815c857,
+ 0x0781b8291c6a220a},
+ {0x5a8343ceeac55f80, 0x88f80eeee54a05e3, 0x97b2a14f12916434,
+ 0x690cde8df0151593},
+ {1, 0, 0, 0}},
+ {{0xaee9c75df7f82f2a, 0x9e4c35874afdf43a, 0xf5622df437371326,
+ 0x8a535f566ec73617},
+ {0xc5f9a0ac223094b7, 0xcde533864c8c7669, 0x37e02819085a92bf,
+ 0x0455c08468b08bd7},
+ {1, 0, 0, 0}},
+ {{0x0c0a6e2c9477b5d9, 0xf9a4bf62876dc444, 0x5050a949b6cdc279,
+ 0x06bada7ab77f8276},
+ {0xc8b4aed1ea48dac9, 0xdebd8a4b7ea1070f, 0x427d49101366eb70,
+ 0x5b476dfd0e6cb18a},
+ {1, 0, 0, 0}},
+ {{0x7c5c3e44278c340a, 0x4d54606812d66f3b, 0x29a751b1ae23c5d8,
+ 0x3e29864e8a2ec908},
+ {0x142d2a6626dbb850, 0xad1744c4765bd780, 0x1f150e68e322d1ed,
+ 0x239b90ea3dc31e7e},
+ {1, 0, 0, 0}},
+ {{0x78c416527a53322a, 0x305dde6709776f8e, 0xdbcab759f8862ed4,
+ 0x820f4dd949f72ff7},
+ {0x6cc544a62b5debd4, 0x75be5d937b4e8cc4, 0x1b481b1b215c14d3,
+ 0x140406ec783a05ec},
+ {1, 0, 0, 0}},
+ {{0x6a703f10e895df07, 0xfd75f3fa01876bd8, 0xeb5b06e70ce08ffe,
+ 0x68f6b8542783dfee},
+ {0x90c76f8a78712655, 0xcf5293d2f310bf7f, 0xfbc8044dfda45028,
+ 0xcbe1feba92e40ce6},
+ {1, 0, 0, 0}},
+ {{0xe998ceea4396e4c1, 0xfc82ef0b6acea274, 0x230f729f2250e927,
+ 0xd0b2f94d2f420109},
+ {0x4305adddb38d4966, 0x10b838f8624c3b45, 0x7db2636658954e7a,
+ 0x971459828b0719e5},
+ {1, 0, 0, 0}},
+ {{0x4bd6b72623369fc9, 0x57f2929e53d0b876, 0xc2d5cba4f2340687,
+ 0x961610004a866aba},
+ {0x49997bcd2e407a5e, 0x69ab197d92ddcb24, 0x2cf1f2438fe5131c,
+ 0x7acb9fadcee75e44},
+ {1, 0, 0, 0}},
+ {{0x254e839423d2d4c0, 0xf57f0c917aea685b, 0xa60d880f6f75aaea,
+ 0x24eb9acca333bf5b},
+ {0xe3de4ccb1cda5dea, 0xfeef9341c51a6b4f, 0x743125f88bac4c4d,
+ 0x69f891c5acd079cc},
+ {1, 0, 0, 0}},
+ {{0xeee44b35702476b5, 0x7ed031a0e45c2258, 0xb422d1e7bd6f8514,
+ 0xe51f547c5972a107},
+ {0xa25bcd6fc9cf343d, 0x8ca922ee097c184e, 0xa62f98b3a9fe9a06,
+ 0x1c309a2b25bb1387},
+ {1, 0, 0, 0}},
+ {{0x9295dbeb1967c459, 0xb00148833472c98e, 0xc504977708011828,
+ 0x20b87b8aa2c4e503},
+ {0x3063175de057c277, 0x1bd539338fe582dd, 0x0d11adef5f69a044,
+ 0xf5c6fa49919776be},
+ {1, 0, 0, 0}},
+ {{0x8c944e760fd59e11, 0x3876cba1102fad5f, 0xa454c3fad83faa56,
+ 0x1ed7d1b9332010b9},
+ {0xa1011a270024b889, 0x05e4d0dcac0cd344, 0x52b520f0eb6a2a24,
+ 0x3a2b03f03217257a},
+ {1, 0, 0, 0}},
+ {{0xf20fc2afdf1d043d, 0xf330240db58d5a62, 0xfc7d229ca0058c3b,
+ 0x15fee545c78dd9f6},
+ {0x501e82885bc98cda, 0x41ef80e5d046ac04, 0x557d9f49461210fb,
+ 0x4ab5b6b2b8753f81},
+ {1, 0, 0, 0}}}
+};
+
+/*
+ * select_point selects the |idx|th point from a precomputation table and
+ * copies it to out.
+ */
+static void select_point(const u64 idx, unsigned int size,
+ const smallfelem pre_comp[16][3], smallfelem out[3])
+{
+ unsigned i, j;
+ u64 *outlimbs = &out[0][0];
+
+ memset(out, 0, sizeof(*out) * 3);
+
+ for (i = 0; i < size; i++) {
+ const u64 *inlimbs = (u64 *)&pre_comp[i][0][0];
+ u64 mask = i ^ idx;
+ mask |= mask >> 4;
+ mask |= mask >> 2;
+ mask |= mask >> 1;
+ mask &= 1;
+ mask--;
+ for (j = 0; j < NLIMBS * 3; j++)
+ outlimbs[j] |= inlimbs[j] & mask;
+ }
+}