niko
111 lines
5.1 KiB
C#
111 lines
5.1 KiB
C#
using System;
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namespace ICSharpCode.SharpZipLib.Checksums
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{
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// Token: 0x0200000C RID: 12
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public class StrangeCRC : IChecksum
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{
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// Token: 0x0600007C RID: 124 RVA: 0x00006784 File Offset: 0x00005784
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public StrangeCRC()
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{
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this.Reset();
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}
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// Token: 0x0600007D RID: 125 RVA: 0x00006792 File Offset: 0x00005792
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public void Reset()
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{
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this.globalCrc = -1;
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}
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// Token: 0x17000011 RID: 17
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// (get) Token: 0x0600007E RID: 126 RVA: 0x0000679B File Offset: 0x0000579B
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public long Value
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{
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get
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{
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return (long)(~(long)this.globalCrc);
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}
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}
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// Token: 0x0600007F RID: 127 RVA: 0x000067A8 File Offset: 0x000057A8
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public void Update(int value)
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{
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int num = (this.globalCrc >> 24) ^ value;
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if (num < 0)
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{
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num = 256 + num;
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}
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this.globalCrc = (int)((long)((long)this.globalCrc << 8) ^ (long)((ulong)StrangeCRC.crc32Table[num]));
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}
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// Token: 0x06000080 RID: 128 RVA: 0x000067E6 File Offset: 0x000057E6
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public void Update(byte[] buffer)
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{
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if (buffer == null)
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{
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throw new ArgumentNullException("buffer");
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}
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this.Update(buffer, 0, buffer.Length);
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}
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// Token: 0x06000081 RID: 129 RVA: 0x00006804 File Offset: 0x00005804
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public void Update(byte[] buffer, int offset, int count)
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{
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if (buffer == null)
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{
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throw new ArgumentNullException("buffer");
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}
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if (offset < 0)
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{
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throw new ArgumentOutOfRangeException("offset", "cannot be less than zero");
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}
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if (count < 0)
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{
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throw new ArgumentOutOfRangeException("count", "cannot be less than zero");
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}
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if (offset + count > buffer.Length)
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{
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throw new ArgumentOutOfRangeException("count");
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}
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for (int i = 0; i < count; i++)
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{
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this.Update((int)buffer[offset++]);
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}
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}
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// Token: 0x0400006B RID: 107
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private static readonly uint[] crc32Table = new uint[]
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{
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0U, 79764919U, 159529838U, 222504665U, 319059676U, 398814059U, 445009330U, 507990021U, 638119352U, 583659535U,
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797628118U, 726387553U, 890018660U, 835552979U, 1015980042U, 944750013U, 1276238704U, 1221641927U, 1167319070U, 1095957929U,
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1595256236U, 1540665371U, 1452775106U, 1381403509U, 1780037320U, 1859660671U, 1671105958U, 1733955601U, 2031960084U, 2111593891U,
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1889500026U, 1952343757U, 2552477408U, 2632100695U, 2443283854U, 2506133561U, 2334638140U, 2414271883U, 2191915858U, 2254759653U,
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3190512472U, 3135915759U, 3081330742U, 3009969537U, 2905550212U, 2850959411U, 2762807018U, 2691435357U, 3560074640U, 3505614887U,
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3719321342U, 3648080713U, 3342211916U, 3287746299U, 3467911202U, 3396681109U, 4063920168U, 4143685023U, 4223187782U, 4286162673U,
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3779000052U, 3858754371U, 3904687514U, 3967668269U, 881225847U, 809987520U, 1023691545U, 969234094U, 662832811U, 591600412U,
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771767749U, 717299826U, 311336399U, 374308984U, 453813921U, 533576470U, 25881363U, 88864420U, 134795389U, 214552010U,
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2023205639U, 2086057648U, 1897238633U, 1976864222U, 1804852699U, 1867694188U, 1645340341U, 1724971778U, 1587496639U, 1516133128U,
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1461550545U, 1406951526U, 1302016099U, 1230646740U, 1142491917U, 1087903418U, 2896545431U, 2825181984U, 2770861561U, 2716262478U,
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3215044683U, 3143675388U, 3055782693U, 3001194130U, 2326604591U, 2389456536U, 2200899649U, 2280525302U, 2578013683U, 2640855108U,
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2418763421U, 2498394922U, 3769900519U, 3832873040U, 3912640137U, 3992402750U, 4088425275U, 4151408268U, 4197601365U, 4277358050U,
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3334271071U, 3263032808U, 3476998961U, 3422541446U, 3585640067U, 3514407732U, 3694837229U, 3640369242U, 1762451694U, 1842216281U,
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1619975040U, 1682949687U, 2047383090U, 2127137669U, 1938468188U, 2001449195U, 1325665622U, 1271206113U, 1183200824U, 1111960463U,
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1543535498U, 1489069629U, 1434599652U, 1363369299U, 622672798U, 568075817U, 748617968U, 677256519U, 907627842U, 853037301U,
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1067152940U, 995781531U, 51762726U, 131386257U, 177728840U, 240578815U, 269590778U, 349224269U, 429104020U, 491947555U,
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4046411278U, 4126034873U, 4172115296U, 4234965207U, 3794477266U, 3874110821U, 3953728444U, 4016571915U, 3609705398U, 3555108353U,
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3735388376U, 3664026991U, 3290680682U, 3236090077U, 3449943556U, 3378572211U, 3174993278U, 3120533705U, 3032266256U, 2961025959U,
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2923101090U, 2868635157U, 2813903052U, 2742672763U, 2604032198U, 2683796849U, 2461293480U, 2524268063U, 2284983834U, 2364738477U,
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2175806836U, 2238787779U, 1569362073U, 1498123566U, 1409854455U, 1355396672U, 1317987909U, 1246755826U, 1192025387U, 1137557660U,
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2072149281U, 2135122070U, 1912620623U, 1992383480U, 1753615357U, 1816598090U, 1627664531U, 1707420964U, 295390185U, 358241886U,
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404320391U, 483945776U, 43990325U, 106832002U, 186451547U, 266083308U, 932423249U, 861060070U, 1041341759U, 986742920U,
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613929101U, 542559546U, 756411363U, 701822548U, 3316196985U, 3244833742U, 3425377559U, 3370778784U, 3601682597U, 3530312978U,
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3744426955U, 3689838204U, 3819031489U, 3881883254U, 3928223919U, 4007849240U, 4037393693U, 4100235434U, 4180117107U, 4259748804U,
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2310601993U, 2373574846U, 2151335527U, 2231098320U, 2596047829U, 2659030626U, 2470359227U, 2550115596U, 2947551409U, 2876312838U,
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2788305887U, 2733848168U, 3165939309U, 3094707162U, 3040238851U, 2985771188U
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};
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// Token: 0x0400006C RID: 108
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private int globalCrc;
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}
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}
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