2022-05-24 06:16:01 +00:00
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<?php
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$xorTableHex = [
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"00" => 0x0,
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"01" => 0x77073096,
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"02" => 0xEE0E612C,
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"03" => 0x990951BA,
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"04" => 0x076DC419,
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"05" => 0x706AF48F,
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"06" => 0xE963A535,
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"07" => 0x9E6495A3,
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"08" => 0x0EDB8832,
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"09" => 0x79DCB8A4,
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"0A" => 0xE0D5E91E,
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"0B" => 0x97D2D988,
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"0C" => 0x09B64C2B,
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"0D" => 0x7EB17CBD,
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"0E" => 0xE7B82D07,
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"0F" => 0x90BF1D91,
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"10" => 0x1DB71064,
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"11" => 0x6AB020F2,
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"12" => 0xF3B97148,
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"13" => 0x84BE41DE,
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"14" => 0x1ADAD47D,
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"15" => 0x6DDDE4EB,
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"16" => 0xF4D4B551,
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"17" => 0x83D385C7,
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"18" => 0x136C9856,
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"19" => 0x646BA8C0,
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"1A" => 0xFD62F97A,
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"1B" => 0x8A65C9EC,
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"1C" => 0x14015C4F,
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"1D" => 0x63066CD9,
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"1E" => 0xFA0F3D63,
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"1F" => 0x8D080DF5,
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"20" => 0x3B6E20C8,
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"21" => 0x4C69105E,
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"22" => 0xD56041E4,
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"23" => 0xA2677172,
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"24" => 0x3C03E4D1,
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"25" => 0x4B04D447,
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"26" => 0xD20D85FD,
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"27" => 0xA50AB56B,
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"28" => 0x35B5A8FA,
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"29" => 0x42B2986C,
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"2A" => 0xDBBBC9D6,
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"2B" => 0xACBCF940,
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"2C" => 0x32D86CE3,
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"2D" => 0x45DF5C75,
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"2E" => 0xDCD60DCF,
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"2F" => 0xABD13D59,
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"30" => 0x26D930AC,
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"31" => 0x51DE003A,
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"32" => 0xC8D75180,
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"33" => 0xBFD06116,
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"34" => 0x21B4F4B5,
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"35" => 0x56B3C423,
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"36" => 0xCFBA9599,
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"37" => 0xB8BDA50F,
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"38" => 0x2802B89E,
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"39" => 0x5F058808,
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"3A" => 0xC60CD9B2,
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"3B" => 0xB10BE924,
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"3C" => 0x2F6F7C87,
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"3D" => 0x58684C11,
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"3E" => 0xC1611DAB,
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"3F" => 0xB6662D3D,
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"40" => 0x76DC4190,
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"41" => 0x01DB7106,
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"42" => 0x98D220BC,
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"43" => 0xEFD5102A,
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"44" => 0x71B18589,
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"45" => 0x06B6B51F,
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"46" => 0x9FBFE4A5,
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"47" => 0xE8B8D433,
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"48" => 0x7807C9A2,
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"49" => 0x0F00F934,
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"4A" => 0x9609A88E,
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"4B" => 0xE10E9818,
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"4C" => 0x7F6A0DBB,
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"4D" => 0x086D3D2D,
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"4E" => 0x91646C97,
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"4F" => 0xE6635C01,
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"50" => 0x6B6B51F4,
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"51" => 0x1C6C6162,
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"52" => 0x856530D8,
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"53" => 0xF262004E,
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"54" => 0x6C0695ED,
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"55" => 0x1B01A57B,
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"56" => 0x8208F4C1,
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"57" => 0xF50FC457,
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"58" => 0x65B0D9C6,
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"59" => 0x12B7E950,
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"5A" => 0x8BBEB8EA,
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"5B" => 0xFCB9887C,
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"5C" => 0x62DD1DDF,
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"5D" => 0x15DA2D49,
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"5E" => 0x8CD37CF3,
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"5F" => 0xFBD44C65,
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"60" => 0x4DB26158,
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"61" => 0x3AB551CE,
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"62" => 0xA3BC0074,
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"63" => 0xD4BB30E2,
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"64" => 0x4ADFA541,
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"65" => 0x3DD895D7,
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"66" => 0xA4D1C46D,
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"67" => 0xD3D6F4FB,
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"68" => 0x4369E96A,
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"69" => 0x346ED9FC,
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"6A" => 0xAD678846,
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"6B" => 0xDA60B8D0,
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"6C" => 0x44042D73,
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"6D" => 0x33031DE5,
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"6E" => 0xAA0A4C5F,
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"6F" => 0xDD0D7CC9,
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"70" => 0x5005713C,
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"71" => 0x270241AA,
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"72" => 0xBE0B1010,
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"73" => 0xC90C2086,
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"74" => 0x5768B525,
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"75" => 0x206F85B3,
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"76" => 0xB966D409,
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"77" => 0xCE61E49F,
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"78" => 0x5EDEF90E,
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"79" => 0x29D9C998,
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"7A" => 0xB0D09822,
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"7B" => 0xC7D7A8B4,
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"7C" => 0x59B33D17,
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"7D" => 0x2EB40D81,
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"7E" => 0xB7BD5C3B,
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"7F" => 0xC0BA6CAD,
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"80" => 0xEDB88320,
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"81" => 0x9ABFB3B6,
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"82" => 0x03B6E20C,
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"83" => 0x74B1D29A,
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"84" => 0xEAD54739,
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"85" => 0x9DD277AF,
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"86" => 0x04DB2615,
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"87" => 0x73DC1683,
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"88" => 0xE3630B12,
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"89" => 0x94643B84,
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"8A" => 0x0D6D6A3E,
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"8B" => 0x7A6A5AA8,
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"8C" => 0xE40ECF0B,
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"8D" => 0x9309FF9D,
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"8E" => 0x0A00AE27,
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"8F" => 0x7D079EB1,
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"90" => 0xF00F9344,
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"91" => 0x8708A3D2,
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"92" => 0x1E01F268,
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"93" => 0x6906C2FE,
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"94" => 0xF762575D,
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"95" => 0x806567CB,
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"96" => 0x196C3671,
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"97" => 0x6E6B06E7,
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"98" => 0xFED41B76,
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"99" => 0x89D32BE0,
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"9A" => 0x10DA7A5A,
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"9B" => 0x67DD4ACC,
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"9C" => 0xF9B9DF6F,
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"9D" => 0x8EBEEFF9,
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"9E" => 0x17B7BE43,
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"9F" => 0x60B08ED5,
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"A0" => 0xD6D6A3E8,
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"A1" => 0xA1D1937E,
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"A2" => 0x38D8C2C4,
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"A3" => 0x4FDFF252,
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"A4" => 0xD1BB67F1,
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"A5" => 0xA6BC5767,
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"A6" => 0x3FB506DD,
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"A7" => 0x48B2364B,
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"A8" => 0xD80D2BDA,
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"A9" => 0xAF0A1B4C,
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"AA" => 0x36034AF6,
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"AB" => 0x41047A60,
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"AC" => 0xDF60EFC3,
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"AD" => 0xA867DF55,
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"AE" => 0x316E8EEF,
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"AF" => 0x4669BE79,
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"B0" => 0xCB61B38C,
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"B1" => 0xBC66831A,
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"B2" => 0x256FD2A0,
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"B3" => 0x5268E236,
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"B4" => 0xCC0C7795,
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"B5" => 0xBB0B4703,
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"B6" => 0x220216B9,
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"B7" => 0x5505262F,
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"B8" => 0xC5BA3BBE,
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"B9" => 0xB2BD0B28,
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"BA" => 0x2BB45A92,
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"BB" => 0x5CB36A04,
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"BC" => 0xC2D7FFA7,
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"BD" => 0xB5D0CF31,
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"BE" => 0x2CD99E8B,
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"BF" => 0x5BDEAE1D,
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"C0" => 0x9B64C2B0,
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"C1" => 0xEC63F226,
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"C2" => 0x756AA39C,
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"C3" => 0x026D930A,
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"C4" => 0x9C0906A9,
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"C5" => 0xEB0E363F,
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"C6" => 0x72076785,
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"C7" => 0x05005713,
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"C8" => 0x95BF4A82,
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"C9" => 0xE2B87A14,
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"CA" => 0x7BB12BAE,
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"CB" => 0x0CB61B38,
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"CC" => 0x92D28E9B,
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"CD" => 0xE5D5BE0D,
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"CE" => 0x7CDCEFB7,
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"CF" => 0x0BDBDF21,
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"D0" => 0x86D3D2D4,
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"D1" => 0xF1D4E242,
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"D2" => 0x68DDB3F8,
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"D3" => 0x1FDA836E,
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"D4" => 0x81BE16CD,
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"D5" => 0xF6B9265B,
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"D6" => 0x6FB077E1,
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"D7" => 0x18B74777,
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"D8" => 0x88085AE6,
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"D9" => 0xFF0F6A70,
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"DA" => 0x66063BCA,
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"DB" => 0x11010B5C,
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"DC" => 0x8F659EFF,
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"DD" => 0xF862AE69,
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"DE" => 0x616BFFD3,
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"DF" => 0x166CCF45,
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"E0" => 0xA00AE278,
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"E1" => 0xD70DD2EE,
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"E2" => 0x4E048354,
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"E3" => 0x3903B3C2,
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"E4" => 0xA7672661,
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"E5" => 0xD06016F7,
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"E6" => 0x4969474D,
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"E7" => 0x3E6E77DB,
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"E8" => 0xAED16A4A,
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"E9" => 0xD9D65ADC,
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"EA" => 0x40DF0B66,
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"EB" => 0x37D83BF0,
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"EC" => 0xA9BCAE53,
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"ED" => 0xDEBB9EC5,
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"EE" => 0x47B2CF7F,
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"EF" => 0x30B5FFE9,
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"F0" => 0xBDBDF21C,
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"F1" => 0xCABAC28A,
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"F2" => 0x53B39330,
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"F3" => 0x24B4A3A6,
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"F4" => 0xBAD03605,
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"F5" => 0xCDD70693,
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"F6" => 0x54DE5729,
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"F7" => 0x23D967BF,
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"F8" => 0xB3667A2E,
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"F9" => 0xC4614AB8,
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"FA" => 0x5D681B02,
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"FB" => 0x2A6F2B94,
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"FC" => 0xB40BBE37,
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"FD" => 0xC30C8EA1,
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"FE" => 0x5A05DF1B,
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"FF" => 0x2D02EF8D
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];
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require_once './src/D2Functions.php';
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$filename = "D:\Diablo II\MODS\ironman-dev\save\Sorc.d2s";
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$fp = fopen($filename, "rb+");
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$filesize = filesize($filename);
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$pucData = file_get_contents($filename);
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2022-06-04 11:55:41 +00:00
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ddump(unpack('C*', $pucData));
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2022-05-24 06:16:01 +00:00
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// pucData - pointer to the byte stream of the .d2s file
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// iSize - number of bytes in the stream ( filesize )
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function checksum($fp, $pucData, $iSize, $xorTableHex) {
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// delete old checksum at offset 0x0C - byte 12
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fseek($fp, 12);
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// (I) unsigned integer (machine dependent size and byte order)
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fwrite($fp, pack('I', 0)); // produces 4 bytes
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$uVar = 0xFFFFFFFF;
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for($i=0;$i<$iSize;$i++) {
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2022-06-04 11:55:41 +00:00
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// $hex = strtoupper(bin2hex($pucData[$i]));
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// getting correct bytes here, matches file in hex editor
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2022-05-24 06:16:01 +00:00
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// dump((strtoupper(dechex($xorTableHex[$hex]))));
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// uVar1 = uVar1 >> 8 ^ DWORD_ARRAY_6fd2a248[(uint)*param_1 ^ uVar1 & 0xff];
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// $xorTableHex = $xorTableHex = [
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// "00" => 0x0,
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// "01" => 0x77073096,
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// "02" => 0xEE0E612C] etc.
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// uVar1 >> 8 ^ *(uint *)(&DAT_6fd2a248 + ((uint)*param_1 ^ uVar1 & 0xff) * 4);
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$dec = hexdec(dechex(unpack('C', $pucData[$i])[1]));
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$uVar = (($uVar << 1)|( $uVar >> 31)) + $dec;
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// $uVar = $uVar >> 8 ^ ($xorTableHex[$hex] ^ ($uVar & 0xFF) * 4);
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// yeah, it was producing wrong val cuz I there is no * 4
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}
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dump(swapEndianness(dechex($uVar)));
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//fseek($fp, 12);
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//fwrite($fp, pack('I', $uiCS));
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}
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//fseek($fp, 347);
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//fwrite($fp, pack('C', 0xFD));
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//fseek($fp, 348);
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//fwrite($fp, pack('C', 0x9F));
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checksum($fp, $pucData, $filesize, $xorTableHex);
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fclose($fp);
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