diff options
Diffstat (limited to 'src/libstrongswan/math/libnttfft/ntt_fft_params.c')
| -rw-r--r-- | src/libstrongswan/math/libnttfft/ntt_fft_params.c | 652 |
1 files changed, 652 insertions, 0 deletions
diff --git a/src/libstrongswan/math/libnttfft/ntt_fft_params.c b/src/libstrongswan/math/libnttfft/ntt_fft_params.c new file mode 100644 index 000000000..4daac272a --- /dev/null +++ b/src/libstrongswan/math/libnttfft/ntt_fft_params.c @@ -0,0 +1,652 @@ +/* + * Copyright (C) 2014-2016 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include "ntt_fft_params.h" + +/** + * FFT twiddle factors in Montgomery form for q = 12289 and n = 1024 + */ +static const uint16_t wr_12289_1024[] = { + 4075, 3051, 2031, 1207, 9987, 10092, 2948, 9273, 11973, 9094, + 3202, 9430, 7377, 5092, 3728, 10626, 4536, 1062, 2882, 6039, + 975, 10908, 6065, 2249, 11889, 4978, 10431, 7270, 12138, 4890, + 6119, 4895, 6364, 4611, 4737, 10911, 6212, 9452, 8455, 8758, + 11316, 1479, 11026, 11847, 2920, 7901, 6190, 8374, 4789, 1170, + 8174, 7278, 241, 11809, 1058, 2686, 8724, 9650, 5868, 4885, + 5874, 5179, 7991, 10600, 3262, 81, 3969, 10146, 5594, 3748, + 11606, 3400, 6843, 3504, 11939, 7428, 7591, 3289, 1404, 7351, + 3818, 2747, 11713, 8643, 5681, 8011, 11580, 2126, 5862, 4591, + 3757, 12047, 431, 8830, 2555, 2305, 2344, 4255, 11871, 4096, + + 4080, 3296, 1747, 11869, 3998, 11567, 1489, 11516, 11279, 11955, + 8212, 9140, 5456, 9275, 12071, 1607, 5009, 11950, 7967, 9424, + 7083, 2975, 10596, 3066, 2766, 355, 5106, 4414, 7373, 4896, + 6413, 7012, 11785, 12171, 6507, 11618, 3988, 11077, 2057, 2481, + 10968, 9005, 11130, 4654, 6844, 3553, 2051, 2187, 8851, 3584, + 3570, 2884, 6137, 5777, 426, 8585, 2839, 3932, 8333, 2780, + 1041, 1853, 4774, 435, 9026, 12159, 5919, 7384, 5435, 8246, + 10806, 1067, 3127, 5755, 11637, 4919, 7540, 790, 1843, 4284, + 1003, 12280, 11848, 2969, 10302, 949, 9634, 5084, 3336, 3707, + 9597, 3271, 522, 1000, 12133, 4645, 6403, 6522, 64, 3136, + + 6196, 8668, 6906, 6591, 3445, 9048, 948, 9585, 2683, 8577, + 2447, 9302, 1105, 4989, 10970, 9103, 3643, 6461, 9364, 4143, + 6383, 5542, 1200, 9644, 5574, 2768, 453, 9908, 6221, 9893, + 5486, 10745, 10367, 4134, 5942, 8511, 11502, 10593, 2919, 7852, + 3789, 1326, 3529, 875, 6008, 11745, 10211, 8779, 56, 2744, + 11566, 1440, 9115, 4231, 10695, 7917, 6974, 9923, 6956, 9041, + 605, 5067, 2503, 12046, 382, 6429, 7796, 1045, 2049, 2089, + 4049, 1777, 1050, 2294, 1805, 2422, 8077, 2525, 835, 4048, + 1728, 10938, 7535, 545, 2127, 5911, 6992, 10805, 1018, 726, + 10996, 10377, 4624, 5374, 5257, 11813, 1254, 1, 49, 2401, + + 7048, 1260, 295, 2166, 7822, 2319, 3030, 1002, 12231, 9447, + 8210, 9042, 654, 7468, 9551, 1017, 677, 8595, 3329, 3364, + 5079, 3091, 3991, 11224, 9260, 11336, 2459, 9890, 5339, 3542, + 1512, 354, 5057, 2013, 325, 3636, 6118, 4846, 3963, 9852, + 3477, 10616, 4046, 1630, 6136, 5728, 10314, 1537, 1579, 3637, + 6167, 7247, 11011, 11112, 3772, 493, 11868, 3949, 9166, 6730, + 10256, 10984, 9789, 390, 6821, 2426, 8273, 12129, 4449, 9088, + 2908, 7313, 1956, 9821, 1958, 9919, 6760, 11726, 9280, 27, + 1323, 3382, 5961, 9442, 7965, 9326, 2281, 1168, 8076, 2476, + 10723, 9289, 468, 10643, 5369, 5012, 12097, 2881, 5990, 10863, + + 3860, 4805, 1954, 9723, 9445, 8112, 4240, 11136, 4948, 8961, + 8974, 9611, 3957, 9558, 1360, 5195, 8775, 12149, 5429, 7952, + 8689, 7935, 7856, 3985, 10930, 7143, 5915, 7188, 8120, 4632, + 5766, 12176, 6752, 11334, 2361, 5088, 3532, 1022, 922, 8311, + 1702, 9664, 6554, 1632, 6234, 10530, 12121, 4057, 2169, 7969, + 9522, 11885, 4782, 827, 3656, 7098, 3710, 9744, 10474, 9377, + 4780, 729, 11143, 5291, 1190, 9154, 6142, 6022, 142, 6958, + 9139, 5407, 6874, 5023, 347, 4714, 9784, 145, 7105, 4053, + 1973, 10654, 5908, 6845, 3602, 4452, 9235, 10111, 3879, 5736, + 10706, 8456, 8807, 1428, 8527, 12286, 12142, 5086, 3434, 8509, + + 11404, 5791, 1112, 5332, 3199, 9283, 174, 8526, 12237, 9741, + 10327, 2174, 8214, 9238, 10258, 11082, 2302, 2197, 9341, 3016, + 316, 3195, 9087, 2859, 4912, 7197, 8561, 1663, 7753, 11227, + 9407, 6250, 11314, 1381, 6224, 10040, 400, 7311, 1858, 5019, + 151, 7399, 6170, 7394, 5925, 7678, 7552, 1378, 6077, 2837, + 3834, 3531, 973, 10810, 1263, 442, 9369, 4388, 6099, 3915, + 7500, 11119, 4115, 5011, 12048, 480, 11231, 9603, 3565, 2639, + 6421, 7404, 6415, 7110, 4298, 1689, 9027, 12208, 8320, 2143, + 6695, 8541, 683, 8889, 5446, 8785, 350, 4861, 4698, 9000, + 10885, 4938, 8471, 9542, 576, 3646, 6608, 4278, 709, 10163, + + 6427, 7698, 8532, 242, 11858, 3459, 9734, 9984, 9945, 8034, + 418, 8193, 8209, 8993, 10542, 420, 8291, 722, 10800, 773, + 1010, 334, 4077, 3149, 6833, 3014, 218, 10682, 7280, 339, + 4322, 2865, 5206, 9314, 1693, 9223, 9523, 11934, 7183, 7875, + 4916, 7393, 5876, 5277, 504, 118, 5782, 671, 8301, 1212, + 10232, 9808, 1321, 3284, 1159, 7635, 5445, 8736, 10238, 10102, + 3438, 8705, 8719, 9405, 6152, 6512, 11863, 3704, 9450, 8357, + 3956, 9509, 11248, 10436, 7515, 11854, 3263, 130, 6370, 4905, + 6854, 4043, 1483, 11222, 9162, 6534, 652, 7370, 4749, 11499, + 10446, 8005, 11286, 9, 441, 9320, 1987, 11340, 2655, 7205, + + 8953, 8582, 2692, 9018, 11767, 11289, 156, 7644, 5886, 5767, + 12225, 9153, 6093, 3621, 5383, 5698, 8844, 3241, 11341, 2704, + 9606, 3712, 9842, 2987, 11184, 7300, 1319, 3186, 8646, 5828, + 2925, 8146, 5906, 6747, 11089, 2645, 6715, 9521, 11836, 2381, + 6068, 2396, 6803, 1544, 1922, 8155, 6347, 3778, 787, 1696, + 9370, 4437, 8500, 10963, 8760, 11414, 6281, 544, 2078, 3510, + 12233, 9545, 723, 10849, 3174, 8058, 1594, 4372, 5315, 2366, + 5333, 3248, 11684, 7222, 9786, 243, 11907, 5860, 4493, 11244, + 10240, 10200, 8240, 10512, 11239, 9995, 10484, 9867, 4212, 9764, + 11454, 8241, 10561, 1351, 4754, 11744, 10162, 6378, 5297, 1484, + + 11271, 11563, 1293, 1912, 7665, 6915, 7032, 476, 11035, 12288, + 12240, 9888, 5241, 11029, 11994, 10123, 4467, 9970, 9259, 11287, + 58, 2842, 4079, 3247, 11635, 4821, 2738, 11272, 11612, 3694, + 8960, 8925, 7210, 9198, 8298, 1065, 3029, 953, 9830, 2399, + 6950, 8747, 10777, 11935, 7232, 10276, 11964, 8653, 6171, 7443, + 8326, 2437, 8812, 1673, 8243, 10659, 6153, 6561, 1975, 10752, + 10710, 8652, 6122, 5042, 1278, 1177, 8517, 11796, 421, 8340, + 3123, 5559, 2033, 1305, 2500, 11899, 5468, 9863, 4016, 160, + 7840, 3201, 9381, 4976, 10333, 2468, 10331, 2370, 5529, 563, + 3009, 12262, 10966, 8907, 6328, 2847, 4324, 2963, 10008, 11121, + + 4213, 9813, 1566, 3000, 11821, 1646, 6920, 7277, 192, 9408, + 6299, 1426, 8429, 7484, 10335, 2566, 2844, 4177, 8049, 1153, + 7341, 3328, 3315, 2678, 8332, 2731, 10929, 7094, 3514, 140, + 6860, 4337, 3600, 4354, 4433, 8304, 1359, 5146, 6374, 5101, + 4169, 7657, 6523, 113, 5537, 955, 9928, 7201, 8757, 11267, + 11367, 3978, 10587, 2625, 5735, 10657, 6055, 1759, 168, 8232, + 10120, 4320, 2767, 404, 7507, 11462, 8633, 5191, 8579, 2545, + 1815, 2912, 7509, 11560, 1146, 6998, 11099, 3135, 6147, 6267, + 12147, 5331, 3150, 6882, 5415, 7266, 11942, 7575, 2505, 12144, + 5184, 8236, 10316, 1635, 6381, 5444, 8687, 7837, 3054, 2178, + + 8410, 6553, 1583, 3833, 3482, 10861, 3762, 3, 147, 7203, + 8855, 3780, 885, 6498, 11177, 6957, 9090, 3006, 12115, 3763, + 52, 2548, 1962, 10115, 4075 +}; + +/** + * FFT phase shift in forward transform for q = 12289 and n = 1024 + */ +static const uint16_t wf_12289_1024[] = { + 3186, 10013, 8646, 11366, 5828, 3929, 2925, 8186, 8146, 7866, + 5906, 4475, 6747, 10362, 11089, 3889, 2645, 6226, 6715, 10138, + 9521, 5202, 11836, 9118, 2381, 4378, 6068, 5609, 2396, 4483, + 6803, 10754, 1544, 10808, 1922, 1165, 8155, 7929, 6347, 7562, + 3778, 1868, 787, 5509, 1696, 11872, 9370, 4145, 4437, 6481, + 8500, 10344, 10963, 3007, 8760, 12164, 11414, 6164, 6281, 7100, + 544, 3808, 2078, 2257, 3510, 12281, 12233, 11897, 9545, 5370, + 723, 5061, 10849, 2209, 3174, 9929, 8058, 7250, 1594, 11158, + 4372, 6026, 5315, 338, 2366, 4273, 5333, 464, 3248, 10447, + 11684, 8054, 7222, 1398, 9786, 7057, 243, 1701, 11907, 9615, + + 5860, 4153, 4493, 6873, 11244, 4974, 10240, 10235, 10200, 9955, + 8240, 8524, 10512, 12139, 11239, 4939, 9995, 8520, 10484, 11943, + 9867, 7624, 4212, 4906, 9764, 6903, 11454, 6444, 8241, 8531, + 10561, 193, 1351, 9457, 4754, 8700, 11744, 8474, 10162, 9689, + 6378, 7779, 5297, 212, 1484, 10388, 11271, 5163, 11563, 7207, + 1293, 9051, 1912, 1095, 7665, 4499, 6915, 11538, 7032, 68, + 476, 3332, 11035, 3511, 12288, 12282, 12240, 11946, 9888, 7771, + 5241, 12109, 11029, 3469, 11994, 10224, 10123, 9416, 4467, 6691, + 9970, 8345, 9259, 3368, 11287, 5275, 58, 406, 2842, 7605, + 4079, 3975, 3247, 10440, 11635, 7711, 4821, 9169, 2738, 6877, + + 11272, 5170, 11612, 7550, 3694, 1280, 8960, 1275, 8925, 1030, + 7210, 1314, 9198, 2941, 8298, 8930, 1065, 7455, 3029, 8914, + 953, 6671, 9830, 7365, 2399, 4504, 6950, 11783, 8747, 12073, + 10777, 1705, 11935, 9811, 7232, 1468, 10276, 10487, 11964, 10014, + 8653, 11415, 6171, 6330, 7443, 2945, 8326, 9126, 2437, 4770, + 8812, 239, 1673, 11711, 8243, 8545, 10659, 879, 6153, 6204, + 6561, 9060, 1975, 1536, 10752, 1530, 10710, 1236, 8652, 11408, + 6122, 5987, 5042, 10716, 1278, 8946, 1177, 8239, 8517, 10463, + 11796, 8838, 421, 2947, 8340, 9224, 3123, 9572, 5559, 2046, + 2033, 1942, 1305, 9135, 2500, 5211, 11899, 9559, 5468, 1409, + + 9863, 7596, 4016, 3534, 160, 1120, 7840, 5724, 3201, 10118, + 9381, 4222, 4976, 10254, 10333, 10886, 2468, 4987, 10331, 10872, + 2370, 4301, 5529, 1836, 563, 3941, 3009, 8774, 12262, 12100, + 10966, 3028, 8907, 904, 6328, 7429, 2847, 7640, 4324, 5690, + 2963, 8452, 10008, 8611, 11121, 4113, 4213, 4913, 9813, 7246, + 1566, 10962, 3000, 8711, 11821, 9013, 1646, 11522, 6920, 11573, + 7277, 1783, 192, 1344, 9408, 4411, 6299, 7226, 1426, 9982, + 8429, 9847, 7484, 3232, 10335, 10900, 2566, 5673, 2844, 7619, + 4177, 4661, 8049, 7187, 1153, 8071, 7341, 2231, 3328, 11007, + 3315, 10916, 2678, 6457, 8332, 9168, 2731, 6828, 10929, 2769, + + 7094, 502, 3514, 20, 140, 980, 6860, 11153, 4337, 5781, + 3600, 622, 4354, 5900, 4433, 6453, 8304, 8972, 1359, 9513, + 5146, 11444, 6374, 7751, 5101, 11129, 4169, 4605, 7657, 4443, + 6523, 8794, 113, 791, 5537, 1892, 955, 6685, 9928, 8051, + 7201, 1251, 8757, 12143, 11267, 5135, 11367, 5835, 3978, 3268, + 10587, 375, 2625, 6086, 5735, 3278, 10657, 865, 6055, 5518, + 1759, 24, 168, 1176, 8232, 8468, 10120, 9395, 4320, 5662, + 2767, 7080, 404, 2828, 7507, 3393, 11462, 6500, 8633, 11275, + 5191, 11759, 8579, 10897, 2545, 5526, 1815, 416, 2912, 8095, + 7509, 3407, 11560, 7186, 1146, 8022, 6998, 12119, 11099, 3959, + + 3135, 9656, 6147, 6162, 6267, 7002, 12147, 11295, 5331, 450, + 3150, 9761, 6882, 11307, 5415, 1038, 7266, 1706, 11942, 9860, + 7575, 3869, 2505, 5246, 12144, 11274, 5184, 11710, 8236, 8496, + 10316, 10767, 1635, 11445, 6381, 7800, 5444, 1241, 8687, 11653, + 7837, 5703, 3054, 9089, 2178, 2957, 8410, 9714, 6553, 9004, + 1583, 11081, 3833, 2253, 3482, 12085, 10861, 2293, 3762, 1756, + 3, 21, 147, 1029, 7203, 1265, 8855, 540, 3780, 1882, + 885, 6195, 6498, 8619, 11177, 4505, 6957, 11832, 9090, 2185, + 3006, 8753, 12115, 11071, 3763, 1763, 52, 364, 2548, 5547, + 1962, 1445, 10115, 9360, 4075, 3947, 3051, 9068, 2031, 1928, + + 1207, 8449, 9987, 8464, 10092, 9199, 2948, 8347, 9273, 3466, + 11973, 10077, 9094, 2213, 3202, 10125, 9430, 4565, 7377, 2483, + 5092, 11066, 3728, 1518, 10626, 648, 4536, 7174, 1062, 7434, + 2882, 7885, 6039, 5406, 975, 6825, 10908, 2622, 6065, 5588, + 2249, 3454, 11889, 9489, 4978, 10268, 10431, 11572, 7270, 1734, + 12138, 11232, 4890, 9652, 6119, 5966, 4895, 9687, 6364, 7681, + 4611, 7699, 4737, 8581, 10911, 2643, 6212, 6617, 9452, 4719, + 8455, 10029, 8758, 12150, 11316, 5478, 1479, 10353, 11026, 3448, + 11847, 9195, 2920, 8151, 7901, 6151, 6190, 6463, 8374, 9462, + 4789, 8945, 1170, 8190, 8174, 8062, 7278, 1790, 241, 1687, + + 11809, 8929, 1058, 7406, 2686, 6513, 8724, 11912, 9650, 6105, + 5868, 4209, 4885, 9617, 5874, 4251, 5179, 11675, 7991, 6781, + 10600, 466, 3262, 10545, 81, 567, 3969, 3205, 10146, 9577, + 5594, 2291, 3748, 1658, 11606, 7508, 3400, 11511, 6843, 11034, + 3504, 12239, 11939, 9839, 7428, 2840, 7591, 3981, 3289, 10734, + 1404, 9828, 7351, 2301, 3818, 2148, 2747, 6940, 11713, 8257, + 8643, 11345, 5681, 2900, 8011, 6921, 11580, 7326, 2126, 2593, + 5862, 4167, 4591, 7559, 3757, 1721, 12047, 10595, 431, 3017, + 8830, 365, 2555, 5596, 2305, 3846, 2344, 4119, 4255, 5207, + 11871, 9363, 4096, 4094, 4080, 3982, 3296, 10783, 1747, 12229, + + 11869, 9349, 3998, 3408, 11567, 7235, 1489, 10423, 11516, 6878, + 11279, 5219, 11955, 9951, 8212, 8328, 9140, 2535, 5456, 1325, + 9275, 3480, 12071, 10763, 1607, 11249, 5009, 10485, 11950, 9916, + 7967, 6613, 9424, 4523, 7083, 425, 2975, 8536, 10596, 438, + 3066, 9173, 2766, 7073, 355, 2485, 5106, 11164, 4414, 6320, + 7373, 2455, 4896, 9694, 6413, 8024, 7012, 12217, 11785, 8761, + 12171, 11463, 6507, 8682, 11618, 7592, 3988, 3338, 11077, 3805, + 2057, 2110, 2481, 5078, 10968, 3042, 9005, 1590, 11130, 4176, + 4654, 8000, 6844, 11041, 3553, 293, 2051, 2068, 2187, 3020, + 8851, 512, 3584, 510, 3570, 412, 2884, 7899, 6137, 6092, + + 5777, 3572, 426, 2982, 8585, 10939, 2839, 7584, 3932, 2946, + 8333, 9175, 2780, 7171, 1041, 7287, 1853, 682, 4774, 8840, + 435, 3045, 9026, 1737, 12159, 11379, 5919, 4566, 7384, 2532, + 5435, 1178, 8246, 8566, 10806, 1908, 1067, 7469, 3127, 9600, + 5755, 3418, 11637, 7725, 4919, 9855, 7540, 3624, 790, 5530, + 1843, 612, 4284, 5410, 1003, 7021, 12280, 12226, 11848, 9202, + 2969, 8494, 10302, 10669, 949, 6643, 9634, 5993, 5084, 11010, + 3336, 11063, 3707, 1371, 9597, 5734, 3271, 10608, 522, 3654, + 1000, 7000, 12133, 11197, 4645, 7937, 6403, 7954, 6522, 8787, + 64, 448, 3136, 9663, 6196, 6505, 8668, 11520, 6906, 11475, + + 6591, 9270, 3445, 11826, 9048, 1891, 948, 6636, 9585, 5650, + 2683, 6492, 8577, 10883, 2447, 4840, 9302, 3669, 1105, 7735, + 4989, 10345, 10970, 3056 +}; + +/** + * FFT phase shift and scaling inverse transform for q = 12289 and n = 1024 + */ +static const uint16_t wi_12289_1024[] = { + 12277, 5265, 9530, 3117, 5712, 816, 10650, 3277, 9246, 4832, + 5957, 851, 10655, 10300, 3227, 461, 3577, 511, 73, 1766, + 5519, 2544, 2119, 7325, 2802, 5667, 11343, 3376, 5749, 6088, + 7892, 2883, 3923, 2316, 3842, 4060, 580, 3594, 2269, 9102, + 6567, 9716, 1388, 5465, 7803, 8137, 2918, 3928, 9339, 10112, + 11978, 10489, 3254, 3976, 568, 8859, 11799, 12219, 12279, 10532, + 12038, 8742, 4760, 680, 8875, 4779, 7705, 8123, 2916, 10950, + 6831, 4487, 641, 10625, 5029, 2474, 2109, 5568, 2551, 2120, + 3814, 4056, 2335, 10867, 3308, 11006, 6839, 977, 10673, 8547, + 1221, 1930, 7298, 11576, 8676, 2995, 3939, 7585, 11617, 12193, + + 5253, 2506, 358, 8829, 6528, 11466, 1638, 234, 1789, 10789, + 6808, 11506, 8666, 1238, 3688, 4038, 4088, 584, 1839, 7285, + 8063, 4663, 9444, 10127, 8469, 4721, 2430, 9125, 11837, 1691, + 10775, 6806, 6239, 6158, 7902, 4640, 4174, 5863, 11371, 3380, + 3994, 11104, 6853, 979, 3651, 11055, 6846, 978, 7162, 9801, + 10178, 1454, 7230, 4544, 9427, 8369, 11729, 12209, 10522, 10281, + 8491, 1213, 5440, 9555, 1365, 195, 3539, 11039, 1577, 5492, + 11318, 5128, 11266, 3365, 7503, 4583, 7677, 8119, 4671, 5934, + 7870, 6391, 913, 1886, 2025, 5556, 7816, 11650, 6931, 9768, + 3151, 9228, 6585, 7963, 11671, 6934, 11524, 6913, 11521, 5157, + + 7759, 2864, 9187, 3068, 5705, 815, 1872, 2023, 289, 5308, + 6025, 7883, 9904, 4926, 7726, 8126, 4672, 2423, 9124, 3059, + 437, 1818, 7282, 6307, 901, 7151, 11555, 8673, 1239, 177, + 5292, 756, 108, 1771, 253, 8814, 10037, 4945, 2462, 7374, + 2809, 5668, 7832, 4630, 2417, 5612, 7824, 8140, 4674, 7690, + 11632, 8684, 11774, 1682, 5507, 7809, 11649, 10442, 8514, 6483, + 9704, 6653, 2706, 10920, 1560, 3734, 2289, 327, 7069, 4521, + 4157, 4105, 2342, 10868, 12086, 12260, 3507, 501, 10605, 1515, + 1972, 7304, 2799, 3911, 7581, 1083, 7177, 6292, 4410, 630, + 90, 3524, 2259, 7345, 6316, 6169, 6148, 6145, 4389, 627, + + 10623, 12051, 12255, 8773, 6520, 2687, 3895, 2312, 5597, 11333, + 1619, 5498, 2541, 363, 3563, 509, 7095, 11547, 12183, 3496, + 2255, 9100, 1300, 7208, 8052, 6417, 7939, 9912, 1416, 5469, + 6048, 864, 1879, 2024, 9067, 6562, 2693, 7407, 9836, 10183, + 8477, 1211, 173, 7047, 8029, 1147, 3675, 525, 75, 7033, + 8027, 8169, 1167, 7189, 1027, 7169, 9802, 6667, 2708, 3898, + 4068, 9359, 1337, 191, 5294, 6023, 2616, 7396, 11590, 8678, + 8262, 6447, 921, 10665, 12057, 3478, 4008, 11106, 12120, 3487, + 9276, 10103, 6710, 11492, 8664, 8260, 1180, 10702, 5040, 720, + 3614, 5783, 9604, 1372, 196, 28, 4, 10534, 5016, 11250, + + 10385, 12017, 8739, 3004, 9207, 6582, 6207, 7909, 4641, 663, + 7117, 8039, 2904, 3926, 4072, 7604, 6353, 11441, 3390, 5751, + 11355, 10400, 8508, 2971, 2180, 2067, 5562, 11328, 6885, 11517, + 6912, 2743, 3903, 11091, 3340, 9255, 10100, 4954, 7730, 6371, + 9688, 1384, 7220, 2787, 9176, 4822, 4200, 600, 7108, 2771, + 3907, 9336, 8356, 8216, 8196, 4682, 4180, 9375, 6606, 7966, + 1138, 10696, 1528, 5485, 11317, 8639, 10012, 6697, 7979, 4651, + 2420, 7368, 11586, 10433, 3246, 7486, 2825, 10937, 3318, 474, + 7090, 4524, 5913, 7867, 4635, 9440, 11882, 3453, 5760, 4334, + 9397, 3098, 10976, 1568, 224, 32, 10538, 3261, 3977, 9346, + + 10113, 8467, 11743, 12211, 3500, 500, 1827, 261, 5304, 7780, + 2867, 10943, 6830, 7998, 11676, 1668, 5505, 2542, 9141, 4817, + 9466, 6619, 11479, 5151, 4247, 7629, 4601, 5924, 6113, 6140, + 9655, 6646, 2705, 2142, 306, 7066, 2765, 395, 1812, 3770, + 11072, 8604, 10007, 11963, 1709, 9022, 4800, 7708, 9879, 6678, + 954, 5403, 4283, 4123, 589, 8862, 1266, 3692, 2283, 9104, + 11834, 12224, 7013, 4513, 7667, 6362, 4420, 2387, 341, 7071, + 9788, 6665, 9730, 1390, 10732, 10311, 1473, 1966, 3792, 7564, + 11614, 10437, 1491, 213, 1786, 9033, 3046, 9213, 10094, 1442, + 206, 1785, 255, 1792, 256, 10570, 1510, 7238, 1034, 7170, + + 6291, 7921, 11665, 3422, 4000, 2327, 2088, 5565, 795, 10647, + 1521, 5484, 2539, 7385, 1055, 7173, 8047, 11683, 1669, 1994, + 3796, 5809, 4341, 9398, 11876, 12230, 10525, 12037, 12253, 3506, + 4012, 9351, 4847, 2448, 7372, 9831, 3160, 2207, 5582, 2553, + 7387, 6322, 9681, 1383, 10731, 1533, 219, 5298, 4268, 7632, + 6357, 9686, 8406, 4712, 9451, 10128, 4958, 5975, 11387, 8649, + 11769, 6948, 11526, 12180, 1740, 10782, 6807, 2728, 7412, 4570, + 4164, 4106, 11120, 12122, 8754, 11784, 3439, 5758, 11356, 6889, + 9762, 11928, 1704, 1999, 10819, 12079, 12259, 7018, 11536, 1648, + 1991, 2040, 2047, 2048, 10826, 12080, 8748, 8272, 8204, 1172, + + 1923, 7297, 2798, 7422, 6327, 4415, 7653, 6360, 11442, 12168, + 7005, 8023, 9924, 8440, 8228, 2931, 7441, 1063, 3663, 5790, + 9605, 10150, 1450, 8985, 11817, 10466, 10273, 12001, 3470, 7518, + 1074, 1909, 7295, 9820, 4914, 702, 5367, 7789, 8135, 9940, + 1420, 3714, 11064, 12114, 12264, 1752, 5517, 9566, 11900, 1700, + 3754, 5803, 829, 1874, 7290, 2797, 10933, 5073, 7747, 8129, + 6428, 6185, 11417, 1631, 233, 5300, 9535, 10140, 11982, 8734, + 8270, 2937, 10953, 8587, 8249, 2934, 9197, 4825, 5956, 4362, + 9401, 1343, 3703, 529, 10609, 12049, 6988, 6265, 895, 3639, + 4031, 4087, 4095, 585, 10617, 8539, 4731, 4187, 9376, 3095, + + 9220, 10095, 10220, 1460, 10742, 12068, 1724, 5513, 11321, 6884, + 2739, 5658, 6075, 4379, 11159, 10372, 8504, 4726, 9453, 3106, + 7466, 11600, 10435, 8513, 9994, 8450, 9985, 3182, 10988, 8592, + 2983, 9204, 4826, 2445, 5616, 6069, 867, 3635, 5786, 11360, + 5134, 2489, 10889, 12089, 1727, 7269, 2794, 9177, 1311, 5454, + 9557, 6632, 2703, 9164, 10087, 1441, 3717, 531, 3587, 2268, + 324, 5313, 759, 1864, 5533, 2546, 7386, 9833, 8427, 4715, + 11207, 1601, 7251, 4547, 11183, 12131, 1733, 10781, 10318, 1474, + 10744, 5046, 4232, 11138, 10369, 6748, 964, 7160, 4534, 7670, + 8118, 8182, 4680, 11202, 6867, 981, 8918, 1274, 182, 26, + + 7026, 8026, 11680, 12202, 10521, 1503, 7237, 4545, 5916, 9623, + 8397, 11733, 10454, 3249, 9242, 6587, 941, 1890, 270, 10572, + 6777, 9746, 6659, 6218, 6155, 6146, 878, 1881, 7291, 11575, + 12187, 1741, 7271, 8061, 11685, 6936, 4502, 9421, 4857, 4205, + 7623, 1089, 10689, 1527, 8996, 10063, 11971, 10488, 6765, 2722, + 3900, 9335, 11867, 6962, 11528, 5158, 4248, 4118, 5855, 2592, + 5637, 6072, 2623, 7397, 8079, 9932, 4930, 5971, 853, 3633, + 519, 8852, 11798, 3441, 11025, 1575, 225, 8810, 11792, 12218, + 3501, 9278, 3081, 9218, 4828, 7712, 8124, 11694, 12204, 3499, + 4011, 573, 3593, 5780, 7848, 9899, 10192, 1456, 208, 7052, + + 2763, 7417, 11593, 10434, 12024, 8740, 11782, 10461, 3250, 5731, + 7841, 9898, 1414, 202, 3540, 7528, 2831, 2160, 10842, 5060, + 4234, 4116, 588, 84 +}; + +/** + * Bit-reversed indices for n = 1024 + */ +static const uint16_t rev_1024[] = { + 0, 512, 256, 768, 128, 640, 384, 896, 64, 576, + 320, 832, 192, 704, 448, 960, 32, 544, 288, 800, + 160, 672, 416, 928, 96, 608, 352, 864, 224, 736, + 480, 992, 16, 528, 272, 784, 144, 656, 400, 912, + 80, 592, 336, 848, 208, 720, 464, 976, 48, 560, + 304, 816, 176, 688, 432, 944, 112, 624, 368, 880, + 240, 752, 496, 1008, 8, 520, 264, 776, 136, 648, + 392, 904, 72, 584, 328, 840, 200, 712, 456, 968, + 40, 552, 296, 808, 168, 680, 424, 936, 104, 616, + 360, 872, 232, 744, 488, 1000, 24, 536, 280, 792, + + 152, 664, 408, 920, 88, 600, 344, 856, 216, 728, + 472, 984, 56, 568, 312, 824, 184, 696, 440, 952, + 120, 632, 376, 888, 248, 760, 504, 1016, 4, 516, + 260, 772, 132, 644, 388, 900, 68, 580, 324, 836, + 196, 708, 452, 964, 36, 548, 292, 804, 164, 676, + 420, 932, 100, 612, 356, 868, 228, 740, 484, 996, + 20, 532, 276, 788, 148, 660, 404, 916, 84, 596, + 340, 852, 212, 724, 468, 980, 52, 564, 308, 820, + 180, 692, 436, 948, 116, 628, 372, 884, 244, 756, + 500, 1012, 12, 524, 268, 780, 140, 652, 396, 908, + + 76, 588, 332, 844, 204, 716, 460, 972, 44, 556, + 300, 812, 172, 684, 428, 940, 108, 620, 364, 876, + 236, 748, 492, 1004, 28, 540, 284, 796, 156, 668, + 412, 924, 92, 604, 348, 860, 220, 732, 476, 988, + 60, 572, 316, 828, 188, 700, 444, 956, 124, 636, + 380, 892, 252, 764, 508, 1020, 2, 514, 258, 770, + 130, 642, 386, 898, 66, 578, 322, 834, 194, 706, + 450, 962, 34, 546, 290, 802, 162, 674, 418, 930, + 98, 610, 354, 866, 226, 738, 482, 994, 18, 530, + 274, 786, 146, 658, 402, 914, 82, 594, 338, 850, + + 210, 722, 466, 978, 50, 562, 306, 818, 178, 690, + 434, 946, 114, 626, 370, 882, 242, 754, 498, 1010, + 10, 522, 266, 778, 138, 650, 394, 906, 74, 586, + 330, 842, 202, 714, 458, 970, 42, 554, 298, 810, + 170, 682, 426, 938, 106, 618, 362, 874, 234, 746, + 490, 1002, 26, 538, 282, 794, 154, 666, 410, 922, + 90, 602, 346, 858, 218, 730, 474, 986, 58, 570, + 314, 826, 186, 698, 442, 954, 122, 634, 378, 890, + 250, 762, 506, 1018, 6, 518, 262, 774, 134, 646, + 390, 902, 70, 582, 326, 838, 198, 710, 454, 966, + + 38, 550, 294, 806, 166, 678, 422, 934, 102, 614, + 358, 870, 230, 742, 486, 998, 22, 534, 278, 790, + 150, 662, 406, 918, 86, 598, 342, 854, 214, 726, + 470, 982, 54, 566, 310, 822, 182, 694, 438, 950, + 118, 630, 374, 886, 246, 758, 502, 1014, 14, 526, + 270, 782, 142, 654, 398, 910, 78, 590, 334, 846, + 206, 718, 462, 974, 46, 558, 302, 814, 174, 686, + 430, 942, 110, 622, 366, 878, 238, 750, 494, 1006, + 30, 542, 286, 798, 158, 670, 414, 926, 94, 606, + 350, 862, 222, 734, 478, 990, 62, 574, 318, 830, + + 190, 702, 446, 958, 126, 638, 382, 894, 254, 766, + 510, 1022, 1, 513, 257, 769, 129, 641, 385, 897, + 65, 577, 321, 833, 193, 705, 449, 961, 33, 545, + 289, 801, 161, 673, 417, 929, 97, 609, 353, 865, + 225, 737, 481, 993, 17, 529, 273, 785, 145, 657, + 401, 913, 81, 593, 337, 849, 209, 721, 465, 977, + 49, 561, 305, 817, 177, 689, 433, 945, 113, 625, + 369, 881, 241, 753, 497, 1009, 9, 521, 265, 777, + 137, 649, 393, 905, 73, 585, 329, 841, 201, 713, + 457, 969, 41, 553, 297, 809, 169, 681, 425, 937, + + 105, 617, 361, 873, 233, 745, 489, 1001, 25, 537, + 281, 793, 153, 665, 409, 921, 89, 601, 345, 857, + 217, 729, 473, 985, 57, 569, 313, 825, 185, 697, + 441, 953, 121, 633, 377, 889, 249, 761, 505, 1017, + 5, 517, 261, 773, 133, 645, 389, 901, 69, 581, + 325, 837, 197, 709, 453, 965, 37, 549, 293, 805, + 165, 677, 421, 933, 101, 613, 357, 869, 229, 741, + 485, 997, 21, 533, 277, 789, 149, 661, 405, 917, + 85, 597, 341, 853, 213, 725, 469, 981, 53, 565, + 309, 821, 181, 693, 437, 949, 117, 629, 373, 885, + + 245, 757, 501, 1013, 13, 525, 269, 781, 141, 653, + 397, 909, 77, 589, 333, 845, 205, 717, 461, 973, + 45, 557, 301, 813, 173, 685, 429, 941, 109, 621, + 365, 877, 237, 749, 493, 1005, 29, 541, 285, 797, + 157, 669, 413, 925, 93, 605, 349, 861, 221, 733, + 477, 989, 61, 573, 317, 829, 189, 701, 445, 957, + 125, 637, 381, 893, 253, 765, 509, 1021, 3, 515, + 259, 771, 131, 643, 387, 899, 67, 579, 323, 835, + 195, 707, 451, 963, 35, 547, 291, 803, 163, 675, + 419, 931, 99, 611, 355, 867, 227, 739, 483, 995, + + 19, 531, 275, 787, 147, 659, 403, 915, 83, 595, + 339, 851, 211, 723, 467, 979, 51, 563, 307, 819, + 179, 691, 435, 947, 115, 627, 371, 883, 243, 755, + 499, 1011, 11, 523, 267, 779, 139, 651, 395, 907, + 75, 587, 331, 843, 203, 715, 459, 971, 43, 555, + 299, 811, 171, 683, 427, 939, 107, 619, 363, 875, + 235, 747, 491, 1003, 27, 539, 283, 795, 155, 667, + 411, 923, 91, 603, 347, 859, 219, 731, 475, 987, + 59, 571, 315, 827, 187, 699, 443, 955, 123, 635, + 379, 891, 251, 763, 507, 1019, 7, 519, 263, 775, + + 135, 647, 391, 903, 71, 583, 327, 839, 199, 711, + 455, 967, 39, 551, 295, 807, 167, 679, 423, 935, + 103, 615, 359, 871, 231, 743, 487, 999, 23, 535, + 279, 791, 151, 663, 407, 919, 87, 599, 343, 855, + 215, 727, 471, 983, 55, 567, 311, 823, 183, 695, + 439, 951, 119, 631, 375, 887, 247, 759, 503, 1015, + 15, 527, 271, 783, 143, 655, 399, 911, 79, 591, + 335, 847, 207, 719, 463, 975, 47, 559, 303, 815, + 175, 687, 431, 943, 111, 623, 367, 879, 239, 751, + 495, 1007, 31, 543, 287, 799, 159, 671, 415, 927, + + 95, 607, 351, 863, 223, 735, 479, 991, 63, 575, + 319, 831, 191, 703, 447, 959, 127, 639, 383, 895, + 255, 767, 511, 1023 +}; + +const ntt_fft_params_t ntt_fft_12289_1024 = { + 12289, 12287, 18, 3186, (1<<18)-1, 1024, 12277, 10, + wr_12289_1024, wf_12289_1024, wi_12289_1024, 1, rev_1024 +}; + +/** + * FFT phase shift and scaling inverse transform for q = 12289 and n = 512 + */ +static const uint16_t wi_12289_512[] = { + 12265, 6771, 11424, 9011, 6203, 11914, 9021, 6454, 7154, 146, + 11038, 4238, 5604, 10397, 11498, 3495, 7846, 7684, 1160, 4538, + 845, 2776, 3317, 5836, 6389, 11667, 6508, 1136, 11309, 12269, + 11787, 9520, 5461, 3121, 5832, 1373, 1282, 10058, 4218, 5102, + 7628, 4670, 6616, 1389, 9057, 2442, 2307, 5063, 7878, 10945, + 10506, 716, 767, 3276, 3578, 1327, 5043, 7376, 8176, 3678, + 3837, 6599, 4649, 4860, 11385, 9261, 189, 3515, 8348, 10453, + 7988, 1417, 7302, 1403, 2035, 8067, 2171, 6565, 11169, 8755, + 4693, 10880, 2730, 7078, 3154, 10347, 10243, 2717, 3065, 9342, + 3451, 1826, 4050, 3343, 1573, 6302, 881, 11053, 10759, 10753, + + 3229, 6085, 11410, 3744, 578, 12050, 7519, 3163, 9344, 5959, + 874, 2275, 1802, 10821, 2478, 10584, 216, 506, 7785, 4924, + 5618, 3375, 4834, 3359, 9348, 10975, 11259, 11014, 11009, 4739, + 7119, 5412, 3120, 4578, 1849, 8314, 4684, 11883, 7014, 8921, + 3944, 5598, 2873, 2065, 8820, 180, 4518, 343, 7, 8778, + 8957, 12221, 751, 7790, 11194, 3238, 5082, 7126, 1901, 12077, + 4510, 2600, 3815, 3589, 2832, 12096, 3758, 5845, 5386, 7383, + 4665, 346, 3769, 7350, 150, 3765, 2334, 2054, 7315, 5416, + 8136, 2674, 10588, 5232, 10891, 4235, 1842, 11825, 8016, 11951, + 6263, 1131, 5039, 2360, 10080, 7228, 6919, 392, 8, 10032, + + 8481, 5189, 6125, 125, 9282, 1945, 5808, 8144, 417, 6780, + 10421, 4727, 4360, 11124, 1481, 1535, 7806, 6680, 7911, 3171, + 7087, 2151, 6063, 8400, 1927, 7814, 4423, 4103, 8360, 923, + 2276, 3056, 10345, 7735, 3669, 4840, 10883, 6492, 5650, 6636, + 1891, 11826, 9270, 11475, 11520, 6505, 9663, 448, 8787, 7954, + 7937, 11197, 7000, 3654, 10608, 5734, 1371, 11063, 11010, 5993, + 6643, 10669, 8494, 9202, 12226, 7021, 5410, 612, 5530, 3624, + 9855, 7725, 3418, 9600, 7469, 1908, 8566, 1178, 2532, 4566, + 11379, 1737, 3045, 8840, 682, 7287, 7171, 9175, 2946, 7584, + 10939, 2982, 3572, 6092, 7899, 412, 510, 512, 3020, 2068, + + 293, 11041, 8000, 4176, 1590, 3042, 5078, 2110, 3805, 3338, + 7592, 8682, 11463, 8761, 12217, 8024, 9694, 2455, 6320, 11164, + 2485, 7073, 9173, 438, 8536, 425, 4523, 6613, 9916, 10485, + 11249, 10763, 3480, 1325, 2535, 8328, 9951, 5219, 6878, 10423, + 7235, 3408, 9349, 12229, 10783, 3982, 4094, 9363, 5207, 4119, + 3846, 5596, 365, 3017, 10595, 1721, 7559, 4167, 2593, 7326, + 6921, 2900, 11345, 8257, 6940, 2148, 2301, 9828, 10734, 3981, + 2840, 9839, 12239, 11034, 11511, 7508, 1658, 2291, 9577, 3205, + 567, 10545, 466, 6781, 11675, 4251, 9617, 4209, 6105, 11912, + 6513, 7406, 8929, 1687, 1790, 8062, 8190, 8945, 9462, 6463, + + 6151, 8151, 9195, 3448, 10353, 5478, 12150, 10029, 4719, 6617, + 2643, 8581, 7699, 7681, 9687, 5966, 9652, 11232, 1734, 11572, + 10268, 9489, 3454, 5588, 2622, 6825, 5406, 7885, 7434, 7174, + 648, 1518, 11066, 2483, 4565, 10125, 2213, 10077, 3466, 8347, + 9199, 8464, 8449, 1928, 9068, 3947, 9360, 1445, 5547, 364, + 1763, 11071, 8753, 2185, 11832, 4505, 8619, 6195, 1882, 540, + 1265, 1029, 21, 1756, 2293, 12085, 2253, 11081, 9004, 9714, + 2957, 9089, 5703, 11653, 1241, 7800, 11445, 10767, 8496, 11710, + 11274, 5246, 3869, 9860, 1706, 1038, 11307, 9761, 450, 11295, + 7002, 6162, 9656, 3959, 12119, 8022, 7186, 3407, 8095, 416, + + 5526, 10897, 11759, 11275, 6500, 3393, 2828, 7080, 5662, 9395, + 8468, 1176 +}; + +/** + * Bit-reversed indices for n = 512 + */ +static const uint16_t rev_512[] = { + 0, 256, 128, 384, 64, 320, 192, 448, 32, 288, + 160, 416, 96, 352, 224, 480, 16, 272, 144, 400, + 80, 336, 208, 464, 48, 304, 176, 432, 112, 368, + 240, 496, 8, 264, 136, 392, 72, 328, 200, 456, + 40, 296, 168, 424, 104, 360, 232, 488, 24, 280, + 152, 408, 88, 344, 216, 472, 56, 312, 184, 440, + 120, 376, 248, 504, 4, 260, 132, 388, 68, 324, + 196, 452, 36, 292, 164, 420, 100, 356, 228, 484, + 20, 276, 148, 404, 84, 340, 212, 468, 52, 308, + 180, 436, 116, 372, 244, 500, 12, 268, 140, 396, + + 76, 332, 204, 460, 44, 300, 172, 428, 108, 364, + 236, 492, 28, 284, 156, 412, 92, 348, 220, 476, + 60, 316, 188, 444, 124, 380, 252, 508, 2, 258, + 130, 386, 66, 322, 194, 450, 34, 290, 162, 418, + 98, 354, 226, 482, 18, 274, 146, 402, 82, 338, + 210, 466, 50, 306, 178, 434, 114, 370, 242, 498, + 10, 266, 138, 394, 74, 330, 202, 458, 42, 298, + 170, 426, 106, 362, 234, 490, 26, 282, 154, 410, + 90, 346, 218, 474, 58, 314, 186, 442, 122, 378, + 250, 506, 6, 262, 134, 390, 70, 326, 198, 454, + + 38, 294, 166, 422, 102, 358, 230, 486, 22, 278, + 150, 406, 86, 342, 214, 470, 54, 310, 182, 438, + 118, 374, 246, 502, 14, 270, 142, 398, 78, 334, + 206, 462, 46, 302, 174, 430, 110, 366, 238, 494, + 30, 286, 158, 414, 94, 350, 222, 478, 62, 318, + 190, 446, 126, 382, 254, 510, 1, 257, 129, 385, + 65, 321, 193, 449, 33, 289, 161, 417, 97, 353, + 225, 481, 17, 273, 145, 401, 81, 337, 209, 465, + 49, 305, 177, 433, 113, 369, 241, 497, 9, 265, + 137, 393, 73, 329, 201, 457, 41, 297, 169, 425, + + 105, 361, 233, 489, 25, 281, 153, 409, 89, 345, + 217, 473, 57, 313, 185, 441, 121, 377, 249, 505, + 5, 261, 133, 389, 69, 325, 197, 453, 37, 293, + 165, 421, 101, 357, 229, 485, 21, 277, 149, 405, + 85, 341, 213, 469, 53, 309, 181, 437, 117, 373, + 245, 501, 13, 269, 141, 397, 77, 333, 205, 461, + 45, 301, 173, 429, 109, 365, 237, 493, 29, 285, + 157, 413, 93, 349, 221, 477, 61, 317, 189, 445, + 125, 381, 253, 509, 3, 259, 131, 387, 67, 323, + 195, 451, 35, 291, 163, 419, 99, 355, 227, 483, + + 19, 275, 147, 403, 83, 339, 211, 467, 51, 307, + 179, 435, 115, 371, 243, 499, 11, 267, 139, 395, + 75, 331, 203, 459, 43, 299, 171, 427, 107, 363, + 235, 491, 27, 283, 155, 411, 91, 347, 219, 475, + 59, 315, 187, 443, 123, 379, 251, 507, 7, 263, + 135, 391, 71, 327, 199, 455, 39, 295, 167, 423, + 103, 359, 231, 487, 23, 279, 151, 407, 87, 343, + 215, 471, 55, 311, 183, 439, 119, 375, 247, 503, + 15, 271, 143, 399, 79, 335, 207, 463, 47, 303, + 175, 431, 111, 367, 239, 495, 31, 287, 159, 415, + + 95, 351, 223, 479, 63, 319, 191, 447, 127, 383, + 255, 511 +}; + +const ntt_fft_params_t ntt_fft_12289_512 = { + 12289, 12287, 18, 3186, (1<<18)-1, 512, 12265, 9, + wr_12289_1024, wf_12289_1024, wi_12289_512, 2, rev_512 +}; + +/** + * FFT twiddle factors in Montgomery form for q = 17 and n = 8 + */ +static const uint16_t wr_17_8[] = { 15, 16, 8, 4, 2, 1, 9, 13, 15 }; + +/** + * FFT phase shift in forward transform for q = 17 and n = 8 + */ +static const uint16_t wf_17_8[] = { 4, 12, 2, 6, 1, 3, 9, 10 }; + +/** + * FFT phase shift and scaling inverse transform for q = 17 and n = 8 + */ +static const uint16_t wi_17_8[] = { 15, 5, 13, 10, 9, 3, 1, 6 }; + +/** + * Bit-reversed indices for n = 8 + */ +static const uint16_t rev_8[] = { 0, 4, 2, 6, 1, 5, 3, 7 }; + +const ntt_fft_params_t ntt_fft_17_8 = { + 17, 15, 5, 4, (1<<5)-1, 8, 15, 3, wr_17_8, wf_17_8, wi_17_8, 1, rev_8 +}; |