2020-03-13 08:01:05 +11:00
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local CRC32 = {
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0,79764919,159529838,222504665,319059676,
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398814059,445009330,507990021,638119352,
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583659535,797628118,726387553,890018660,
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835552979,1015980042,944750013,1276238704,
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1221641927,1167319070,1095957929,1595256236,
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1540665371,1452775106,1381403509,1780037320,
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1859660671,1671105958,1733955601,2031960084,
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2111593891,1889500026,1952343757,2552477408,
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2632100695,2443283854,2506133561,2334638140,
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2414271883,2191915858,2254759653,3190512472,
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3135915759,3081330742,3009969537,2905550212,
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2850959411,2762807018,2691435357,3560074640,
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3505614887,3719321342,3648080713,3342211916,
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3287746299,3467911202,3396681109,4063920168,
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4143685023,4223187782,4286162673,3779000052,
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3858754371,3904687514,3967668269,881225847,
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809987520,1023691545,969234094,662832811,
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591600412,771767749,717299826,311336399,
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374308984,453813921,533576470,25881363,
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88864420,134795389,214552010,2023205639,
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2086057648,1897238633,1976864222,1804852699,
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1867694188,1645340341,1724971778,1587496639,
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1516133128,1461550545,1406951526,1302016099,
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1230646740,1142491917,1087903418,2896545431,
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2825181984,2770861561,2716262478,3215044683,
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3143675388,3055782693,3001194130,2326604591,
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2389456536,2200899649,2280525302,2578013683,
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2640855108,2418763421,2498394922,3769900519,
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3832873040,3912640137,3992402750,4088425275,
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4151408268,4197601365,4277358050,3334271071,
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3263032808,3476998961,3422541446,3585640067,
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3514407732,3694837229,3640369242,1762451694,
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1842216281,1619975040,1682949687,2047383090,
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2127137669,1938468188,2001449195,1325665622,
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1271206113,1183200824,1111960463,1543535498,
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1489069629,1434599652,1363369299,622672798,
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568075817,748617968,677256519,907627842,
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853037301,1067152940,995781531,51762726,
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131386257,177728840,240578815,269590778,
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349224269,429104020,491947555,4046411278,
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4126034873,4172115296,4234965207,3794477266,
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3874110821,3953728444,4016571915,3609705398,
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3555108353,3735388376,3664026991,3290680682,
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3236090077,3449943556,3378572211,3174993278,
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3120533705,3032266256,2961025959,2923101090,
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2868635157,2813903052,2742672763,2604032198,
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2683796849,2461293480,2524268063,2284983834,
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2364738477,2175806836,2238787779,1569362073,
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1498123566,1409854455,1355396672,1317987909,
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1246755826,1192025387,1137557660,2072149281,
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2135122070,1912620623,1992383480,1753615357,
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1816598090,1627664531,1707420964,295390185,
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358241886,404320391,483945776,43990325,
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106832002,186451547,266083308,932423249,
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861060070,1041341759,986742920,613929101,
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542559546,756411363,701822548,3316196985,
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3244833742,3425377559,3370778784,3601682597,
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3530312978,3744426955,3689838204,3819031489,
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3881883254,3928223919,4007849240,4037393693,
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4100235434,4180117107,4259748804,2310601993,
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2373574846,2151335527,2231098320,2596047829,
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2659030626,2470359227,2550115596,2947551409,
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2876312838,2788305887,2733848168,3165939309,
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3094707162,3040238851,2985771188,
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}
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local function crc32(str)
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local count = string.len(tostring(str))
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local crc = max
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local i = 1
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while count > 0 do
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local byte = string.byte(str, i)
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crc = (crc << 8) ~ CRC32[((crc >> 24) ~ byte) + 1]
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i = i + 1
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count = count - 1
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end
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return crc
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end
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