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mirror of https://github.com/Adorable-Catgirl/Zorya-NEO.git synced 2024-11-23 18:58:06 +11:00
Zorya-NEO/mods/vdev_vbios/crc32.lua
Jane Roxanne 25779bd202 VFS time
2020-03-12 16:01:05 -05:00

83 lines
3.3 KiB
Lua

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