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niko
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using System;
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using Cpp2IlInjected;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines
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{
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// Token: 0x02001D7D RID: 7549
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[Token(Token = "0x2001D7D")]
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public class RC4Engine : IStreamCipher
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{
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// Token: 0x0600BBEF RID: 48111 RVA: 0x00297794 File Offset: 0x00295994
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[Token(Token = "0x600BBEF")]
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[Address(RVA = "0x272E1F0", Offset = "0x272D1F0", VA = "0x18272E1F0", Slot = "9")]
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public virtual void Init(bool forEncryption, ICipherParameters parameters)
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{
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/*
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An exception occurred when decompiling this method (0600BBEF)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.RC4Engine::Init(System.Boolean,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)
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---> System.Exception: Basic block has to end with unconditional control flow.
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{
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IL_25:
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stloc:ArgumentException(var_5_36, newobj:ArgumentException(ArgumentException::.ctor, call:string(string::Concat, ldstr:string("invalid parameter passed to RC4 init - "), ldloc:string(var_4))))
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}
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at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
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at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
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at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
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at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
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--- End of inner exception stack trace ---
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at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
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at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663
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*/;
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}
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// Token: 0x17001D7B RID: 7547
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// (get) Token: 0x0600BBF0 RID: 48112 RVA: 0x002977D8 File Offset: 0x002959D8
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[Token(Token = "0x17001D7B")]
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public virtual string AlgorithmName
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{
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[Token(Token = "0x600BBF0")]
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[Address(RVA = "0x272E9D0", Offset = "0x272D9D0", VA = "0x18272E9D0", Slot = "10")]
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get
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{
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return "RC4";
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}
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}
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// Token: 0x0600BBF1 RID: 48113 RVA: 0x002977EC File Offset: 0x002959EC
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[Token(Token = "0x600BBF1")]
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[Address(RVA = "0x272E600", Offset = "0x272D600", VA = "0x18272E600", Slot = "11")]
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public virtual byte ReturnByte(byte input)
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{
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int num = this.x;
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byte[] array = this.engineState;
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num++;
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this.x = num;
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byte b;
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this.y = (int)b;
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int length = array.Length;
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byte[] array2 = this.engineState;
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int num2 = this.y;
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byte[] array3 = this.engineState;
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int num3 = this.x;
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int length2 = array3.Length;
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int num4 = this.y;
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byte b2;
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byte b3;
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b2 += b3;
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b3 = b2;
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byte b4;
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return b4;
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}
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// Token: 0x0600BBF2 RID: 48114 RVA: 0x00297864 File Offset: 0x00295A64
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[Token(Token = "0x600BBF2")]
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[Address(RVA = "0x272E380", Offset = "0x272D380", VA = "0x18272E380", Slot = "12")]
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public virtual void ProcessBytes(byte[] input, int inOff, int length, byte[] output, int outOff)
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{
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Check.DataLength(input, inOff, inOff, "input buffer too short");
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if (length > 0)
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{
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int num = this.x;
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byte[] array = this.engineState;
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num++;
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this.x = num;
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byte b;
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this.y = (int)b;
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int length2 = array.Length;
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byte[] array2 = this.engineState;
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int num2 = this.y;
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byte[] array3 = this.engineState;
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int num3 = this.x;
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int length3 = array3.Length;
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int num4 = this.y;
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byte b2;
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byte b3;
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b2 += b3;
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}
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}
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// Token: 0x0600BBF3 RID: 48115 RVA: 0x002978EC File Offset: 0x00295AEC
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[Token(Token = "0x600BBF3")]
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[Address(RVA = "0x272E5F0", Offset = "0x272D5F0", VA = "0x18272E5F0", Slot = "13")]
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public virtual void Reset()
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{
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byte[] array = this.workingKey;
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this.SetKey(array);
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}
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// Token: 0x0600BBF4 RID: 48116 RVA: 0x00297908 File Offset: 0x00295B08
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[Token(Token = "0x600BBF4")]
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[Address(RVA = "0x272E770", Offset = "0x272D770", VA = "0x18272E770")]
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private void SetKey(byte[] keyBytes)
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{
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int num = 0;
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this.workingKey = keyBytes;
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this.x = num;
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if (this.engineState == num)
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{
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byte[] array = new byte[RC4Engine.STATE_LENGTH];
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this.engineState = array;
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}
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byte[] array2 = this.engineState;
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if (num < "{il2cpp array field local5->}")
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{
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int length = this.engineState.Length;
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byte b = (byte)((int)b + num);
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byte b2;
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b += b2;
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byte[] array3 = this.engineState;
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num++;
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}
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}
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// Token: 0x0600BBF5 RID: 48117 RVA: 0x0029797C File Offset: 0x00295B7C
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[Token(Token = "0x600BBF5")]
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[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
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public RC4Engine()
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{
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}
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// Token: 0x0400767E RID: 30334
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[Token(Token = "0x400767E")]
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private static readonly int STATE_LENGTH;
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// Token: 0x0400767F RID: 30335
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x400767F")]
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private byte[] engineState;
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// Token: 0x04007680 RID: 30336
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x4007680")]
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private int x;
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// Token: 0x04007681 RID: 30337
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[FieldOffset(Offset = "0x1C")]
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[Token(Token = "0x4007681")]
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private int y;
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// Token: 0x04007682 RID: 30338
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x4007682")]
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private byte[] workingKey;
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}
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}
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