m
This commit is contained in:
niko
@@ -0,0 +1,435 @@
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using System;
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using System.Runtime.CompilerServices;
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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: 0x02001D7B RID: 7547
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[Token(Token = "0x2001D7B")]
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public class RC2Engine : IBlockCipher
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{
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// Token: 0x0600BBDB RID: 48091 RVA: 0x00296A2C File Offset: 0x00294C2C
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[Token(Token = "0x600BBDB")]
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[Address(RVA = "0x272C9C0", Offset = "0x272B9C0", VA = "0x18272C9C0")]
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private int[] GenerateWorkingKey(byte[] key, int bits)
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{
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int[] array = new int[128];
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int num = 0;
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int num2 = key.Length;
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if (num != num2)
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{
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num++;
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byte b;
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array[0] = (int)b;
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}
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uint num3;
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if (num2 < (int)num3)
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{
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int num4 = num2 - 1;
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int num5 = array[num4];
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int length = array.Length;
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byte[] array2 = RC2Engine.piTable;
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num++;
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int num6 = array[num];
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num6 += num5;
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num2++;
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byte b2;
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array[0] = (int)b2;
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}
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byte[] array3 = RC2Engine.piTable;
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num3 -= (uint)num;
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byte b3;
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array[0] = (int)b3;
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uint num7;
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num7 -= (uint)num;
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int length2 = array.Length;
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byte[] array4 = RC2Engine.piTable;
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int num8 = array[(int)num7];
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byte b4;
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array[0] = (int)b4;
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int[] array5 = new int[64];
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int length3 = array5.Length;
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if (num != length3)
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{
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int length4 = array.Length;
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num++;
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num += 2;
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int num9;
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array5[0] = num9;
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}
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return array5;
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}
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// Token: 0x0600BBDC RID: 48092 RVA: 0x00296B1C File Offset: 0x00294D1C
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[Token(Token = "0x600BBDC")]
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[Address(RVA = "0x272CDA0", Offset = "0x272BDA0", VA = "0x18272CDA0", Slot = "10")]
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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 (0600BBDC)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.RC2Engine::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_56:
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stloc:ArgumentException(var_12_67, newobj:ArgumentException(ArgumentException::.ctor, call:string(string::Concat, ldstr:string("invalid parameter passed to RC2 init - "), ldloc:string(var_11))))
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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: 0x0600BBDD RID: 48093 RVA: 0x0000220F File Offset: 0x0000040F
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[Token(Token = "0x600BBDD")]
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[Address(RVA = "0x4242D0", Offset = "0x4232D0", VA = "0x1804242D0", Slot = "11")]
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public virtual void Reset()
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{
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throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
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}
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// Token: 0x17001D78 RID: 7544
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// (get) Token: 0x0600BBDE RID: 48094 RVA: 0x00296B94 File Offset: 0x00294D94
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[Token(Token = "0x17001D78")]
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public virtual string AlgorithmName
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{
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[Token(Token = "0x600BBDE")]
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[Address(RVA = "0x272D160", Offset = "0x272C160", VA = "0x18272D160", Slot = "12")]
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get
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{
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return "RC2";
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}
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}
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// Token: 0x17001D79 RID: 7545
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// (get) Token: 0x0600BBDF RID: 48095 RVA: 0x00296BA8 File Offset: 0x00294DA8
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[Token(Token = "0x17001D79")]
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public virtual bool IsPartialBlockOkay
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{
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[Token(Token = "0x600BBDF")]
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[Address(RVA = "0x424690", Offset = "0x423690", VA = "0x180424690", Slot = "13")]
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get
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{
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}
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}
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// Token: 0x0600BBE0 RID: 48096 RVA: 0x00296BB8 File Offset: 0x00294DB8
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[Token(Token = "0x600BBE0")]
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[Address(RVA = "0x681E00", Offset = "0x680E00", VA = "0x180681E00", Slot = "14")]
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public virtual int GetBlockSize()
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{
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return 8;
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}
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// Token: 0x0600BBE1 RID: 48097 RVA: 0x00296BC8 File Offset: 0x00294DC8
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[Token(Token = "0x600BBE1")]
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[Address(RVA = "0x272CFD0", Offset = "0x272BFD0", VA = "0x18272CFD0", Slot = "15")]
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public virtual int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
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{
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/*
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An exception occurred when decompiling this method (0600BBE1)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int32 BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.RC2Engine::ProcessBlock(System.Byte[],System.Int32,System.Byte[],System.Int32)
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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:InvalidOperationException(var_1_2F, newobj:InvalidOperationException(InvalidOperationException::.ctor, ldstr:string("RC2 engine not initialised")))
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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.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
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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 1878
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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 1846
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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: 0x0600BBE2 RID: 48098 RVA: 0x00296C04 File Offset: 0x00294E04
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[Token(Token = "0x600BBE2")]
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[Address(RVA = "0x272D0D0", Offset = "0x272C0D0", VA = "0x18272D0D0")]
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private int RotateWordLeft(int x, int y)
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{
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uint num;
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num -= (uint)y;
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return x;
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}
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// Token: 0x0600BBE3 RID: 48099 RVA: 0x00296C18 File Offset: 0x00294E18
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[Token(Token = "0x600BBE3")]
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[Address(RVA = "0x272C1B0", Offset = "0x272B1B0", VA = "0x18272C1B0")]
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private void EncryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
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{
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int length = input.Length;
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byte b;
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byte b2;
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b += b2;
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byte b3;
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b3 += b2;
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byte b4;
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b4 += b2;
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int num = inOff + 1;
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int[] array = this.workingKey;
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byte b5;
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byte b6;
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b5 += b6;
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int i = 0;
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int length2 = array.Length;
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b6 = b;
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int num2 = array[i];
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num2 += (int)b6;
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b6 = b3;
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num2 += (int)b5;
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b6 = (byte)((int)b6 + num2);
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b5 = b6;
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b6 += b6;
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b6 = b5;
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int num3;
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num3 += (int)b6;
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b6 = b5;
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num3 += (int)b4;
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b6 = (byte)((int)b6 + num3);
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b4 = b6;
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b6 = b4;
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int num4;
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num4 += (int)b6;
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b6 = b5;
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num4 += (int)b3;
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b6 = (byte)((int)b6 + num4);
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b3 = b6;
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i += 3;
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int num5 = array[i];
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b6 = b3;
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i += 4;
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num5 += (int)b6;
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b6 = b4;
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num5 += (int)b;
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b6 = (byte)((int)b6 + num5);
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b = b6;
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while (i <= 16)
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{
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}
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b6 = b;
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int num6 = array[(int)b6];
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num6 += (int)b5;
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b4 = b3;
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b6 = b;
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uint num8;
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int num7 = array[(int)num8];
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num7 += (int)b6;
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b6 = b3;
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num7 += num6;
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b6 = (byte)((int)b6 + num7);
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b5 = b6;
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b6 += b6;
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uint num9 = num8 + 1U;
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int num10 = array[(int)num9];
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b6 = b5;
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num10 += (int)b6;
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b6 = b;
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num10 += (int)b4;
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b6 = (byte)((int)b6 + num10);
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b4 = b6;
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int num11 = array[(int)b6];
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b6 = b4;
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num11 += (int)b6;
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b6 = b4;
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num11 += (int)b3;
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b6 = (byte)((int)b6 + num11);
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b3 = b6;
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num8 += (uint)3;
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int num12 = array[(int)num8];
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b6 = b3;
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num8 += (uint)4;
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num12 += (int)b6;
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b6 = b4;
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num12 += (int)b;
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b6 = (byte)((int)b6 + num12);
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b = b6;
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b6 = b;
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while (num8 <= (uint)40)
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{
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}
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int num13 = array[(int)b6];
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num13 += (int)b5;
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b4 = b3;
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b6 = b;
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uint num15;
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int num14 = array[(int)num15];
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num14 += (int)b6;
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b6 = b3;
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num14 += num13;
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b6 = (byte)((int)b6 + num14);
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b5 = b6;
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b6 += b6;
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uint num16 = num15 + 1U;
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int num17 = array[(int)num16];
|
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b6 = b5;
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num17 += (int)b6;
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b6 = b;
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num17 += (int)b4;
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b6 = (byte)((int)b6 + num17);
|
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b4 = b6;
|
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int num18 = array[(int)b6];
|
||||
b6 = b4;
|
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num18 += (int)b6;
|
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b6 = b5;
|
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num18 += (int)b3;
|
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b6 = (byte)((int)b6 + num18);
|
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b3 = b6;
|
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num15 += (uint)3;
|
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int num19 = array[(int)num15];
|
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b6 = b3;
|
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num15 += (uint)4;
|
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num19 += (int)b6;
|
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b6 = b4;
|
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num19 += (int)b;
|
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b6 = (byte)((int)b6 + num19);
|
||||
b = b6;
|
||||
}
|
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// Token: 0x0600BBE4 RID: 48100 RVA: 0x00296ECC File Offset: 0x002950CC
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[Token(Token = "0x600BBE4")]
|
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[Address(RVA = "0x272B9E0", Offset = "0x272A9E0", VA = "0x18272B9E0")]
|
||||
private void DecryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
|
||||
{
|
||||
int length = input.Length;
|
||||
byte b;
|
||||
byte b2;
|
||||
b += b2;
|
||||
byte b3;
|
||||
b3 += b2;
|
||||
byte b4;
|
||||
b4 += b2;
|
||||
int num = inOff + 1;
|
||||
int[] array = this.workingKey;
|
||||
byte b5;
|
||||
byte b6;
|
||||
b5 += b6;
|
||||
int length2 = array.Length;
|
||||
b = b3;
|
||||
b6 = b3;
|
||||
b -= b6;
|
||||
b6 = b4;
|
||||
b -= b6;
|
||||
b3 = b;
|
||||
b = b4;
|
||||
b6 = b4;
|
||||
b3 -= b6;
|
||||
b6 = b4;
|
||||
b3 -= b6;
|
||||
uint num3;
|
||||
uint num2 = num3 + 1U;
|
||||
b4 = b;
|
||||
b4 -= b5;
|
||||
b5 = b;
|
||||
b4 -= b5;
|
||||
b5 = b;
|
||||
b5 -= b5;
|
||||
b5 = b3;
|
||||
b5 -= b5;
|
||||
while (num3 >= (uint)44)
|
||||
{
|
||||
}
|
||||
b5 = b3;
|
||||
b5 = b4;
|
||||
b5 = b;
|
||||
b = b3;
|
||||
b5 = b3;
|
||||
b -= b5;
|
||||
b5 = b4;
|
||||
b -= b5;
|
||||
b3 = b;
|
||||
b = b4;
|
||||
b5 = b4;
|
||||
b3 -= b5;
|
||||
b5 = b4;
|
||||
b3 -= b5;
|
||||
uint num5;
|
||||
uint num4 = num5 + 1U;
|
||||
b4 = b;
|
||||
b4 -= b5;
|
||||
b5 = b;
|
||||
b4 -= b5;
|
||||
b5 = b;
|
||||
b5 -= b5;
|
||||
b5 = b3;
|
||||
b5 -= b5;
|
||||
while (num5 >= (uint)20)
|
||||
{
|
||||
}
|
||||
b5 = b3;
|
||||
b5 = b4;
|
||||
b5 = b;
|
||||
b = b3;
|
||||
b5 = b3;
|
||||
b -= b5;
|
||||
b5 = b4;
|
||||
b -= b5;
|
||||
b3 = b;
|
||||
b = b4;
|
||||
b5 = b4;
|
||||
b3 -= b5;
|
||||
b3 -= b5;
|
||||
uint num7;
|
||||
uint num6 = num7 + 1U;
|
||||
b4 = b;
|
||||
b4 -= b5;
|
||||
b5 = b;
|
||||
b4 -= b5;
|
||||
b5 = b;
|
||||
b5 -= b5;
|
||||
b5 = b3;
|
||||
b5 -= b5;
|
||||
array[0] = (int)b5;
|
||||
}
|
||||
|
||||
// Token: 0x0600BBE5 RID: 48101 RVA: 0x00297044 File Offset: 0x00295244
|
||||
[Token(Token = "0x600BBE5")]
|
||||
[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
|
||||
public RC2Engine()
|
||||
{
|
||||
this.Reset();
|
||||
}
|
||||
|
||||
// Token: 0x0600BBE6 RID: 48102 RVA: 0x00297058 File Offset: 0x00295258
|
||||
// Note: this type is marked as 'beforefieldinit'.
|
||||
[Token(Token = "0x600BBE6")]
|
||||
[Address(RVA = "0x272D100", Offset = "0x272C100", VA = "0x18272D100")]
|
||||
static RC2Engine()
|
||||
{
|
||||
byte[] array = new byte[256];
|
||||
RuntimeHelpers.InitializeArray(array, fieldof(<PrivateImplementationDetails>.0392525BCB01691D1F319D89F2C12BF93A478467).FieldHandle);
|
||||
RC2Engine.piTable = array;
|
||||
}
|
||||
|
||||
// Token: 0x04007671 RID: 30321
|
||||
[Token(Token = "0x4007671")]
|
||||
private static readonly byte[] piTable;
|
||||
|
||||
// Token: 0x04007672 RID: 30322
|
||||
[Token(Token = "0x4007672")]
|
||||
private const int BLOCK_SIZE = 8;
|
||||
|
||||
// Token: 0x04007673 RID: 30323
|
||||
[FieldOffset(Offset = "0x10")]
|
||||
[Token(Token = "0x4007673")]
|
||||
private int[] workingKey;
|
||||
|
||||
// Token: 0x04007674 RID: 30324
|
||||
[FieldOffset(Offset = "0x18")]
|
||||
[Token(Token = "0x4007674")]
|
||||
private bool encrypting;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user