niko
436 lines
14 KiB
C#
436 lines
14 KiB
C#
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: 0x02001C9B RID: 7323
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[Token(Token = "0x2001C9B")]
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public class RC2Engine : IBlockCipher
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{
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// Token: 0x0600B80D RID: 47117 RVA: 0x0028D920 File Offset: 0x0028BB20
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[Token(Token = "0x600B80D")]
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[Address(RVA = "0x1DD7370", Offset = "0x1DD6170", VA = "0x181DD7370")]
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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: 0x0600B80E RID: 47118 RVA: 0x0028DA10 File Offset: 0x0028BC10
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[Token(Token = "0x600B80E")]
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[Address(RVA = "0x1DD7750", Offset = "0x1DD6550", VA = "0x181DD7750", 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 (0600B80E)
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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 1660
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*/;
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}
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// Token: 0x0600B80F RID: 47119 RVA: 0x0000220F File Offset: 0x0000040F
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[Token(Token = "0x600B80F")]
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[Address(RVA = "0x402080", Offset = "0x400E80", VA = "0x180402080", 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: 0x17001CDB RID: 7387
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// (get) Token: 0x0600B810 RID: 47120 RVA: 0x0028DA88 File Offset: 0x0028BC88
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[Token(Token = "0x17001CDB")]
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public virtual string AlgorithmName
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{
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[Token(Token = "0x600B810")]
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[Address(RVA = "0x1DD7B10", Offset = "0x1DD6910", VA = "0x181DD7B10", 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: 0x17001CDC RID: 7388
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// (get) Token: 0x0600B811 RID: 47121 RVA: 0x0028DA9C File Offset: 0x0028BC9C
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[Token(Token = "0x17001CDC")]
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public virtual bool IsPartialBlockOkay
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{
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[Token(Token = "0x600B811")]
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[Address(RVA = "0x403930", Offset = "0x402730", VA = "0x180403930", Slot = "13")]
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get
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{
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}
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}
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// Token: 0x0600B812 RID: 47122 RVA: 0x0028DAAC File Offset: 0x0028BCAC
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[Token(Token = "0x600B812")]
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[Address(RVA = "0x4101D0", Offset = "0x40EFD0", VA = "0x1804101D0", 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: 0x0600B813 RID: 47123 RVA: 0x0028DABC File Offset: 0x0028BCBC
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[Token(Token = "0x600B813")]
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[Address(RVA = "0x1DD7980", Offset = "0x1DD6780", VA = "0x181DD7980", 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 (0600B813)
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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 1660
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*/;
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}
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// Token: 0x0600B814 RID: 47124 RVA: 0x0028DAF8 File Offset: 0x0028BCF8
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[Token(Token = "0x600B814")]
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[Address(RVA = "0x1DD7A80", Offset = "0x1DD6880", VA = "0x181DD7A80")]
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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: 0x0600B815 RID: 47125 RVA: 0x0028DB0C File Offset: 0x0028BD0C
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[Token(Token = "0x600B815")]
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[Address(RVA = "0x1DD6B60", Offset = "0x1DD5960", VA = "0x181DD6B60")]
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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];
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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);
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b = b6;
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}
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// Token: 0x0600B816 RID: 47126 RVA: 0x0028DDC0 File Offset: 0x0028BFC0
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[Token(Token = "0x600B816")]
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[Address(RVA = "0x1DD6390", Offset = "0x1DD5190", VA = "0x181DD6390")]
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private void DecryptBlock(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 length2 = array.Length;
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b = b3;
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b6 = b3;
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b -= b6;
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b6 = b4;
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b -= b6;
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b3 = b;
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b = b4;
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b6 = b4;
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b3 -= b6;
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b6 = b4;
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b3 -= b6;
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uint num3;
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uint num2 = num3 + 1U;
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b4 = b;
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b4 -= b5;
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b5 = b;
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b4 -= b5;
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b5 = b;
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b5 -= b5;
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b5 = b3;
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b5 -= b5;
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while (num3 >= (uint)44)
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{
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}
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b5 = b3;
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b5 = b4;
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b5 = b;
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b = b3;
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b5 = b3;
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b -= b5;
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b5 = b4;
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b -= b5;
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b3 = b;
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b = b4;
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b5 = b4;
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b3 -= b5;
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b5 = b4;
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b3 -= b5;
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uint num5;
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uint num4 = num5 + 1U;
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b4 = b;
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b4 -= b5;
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b5 = b;
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b4 -= b5;
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b5 = b;
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b5 -= b5;
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b5 = b3;
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b5 -= b5;
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while (num5 >= (uint)20)
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{
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}
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b5 = b3;
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b5 = b4;
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b5 = b;
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b = b3;
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b5 = b3;
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b -= b5;
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b5 = b4;
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b -= b5;
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b3 = b;
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b = b4;
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b5 = b4;
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b3 -= b5;
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b3 -= b5;
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uint num7;
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uint num6 = num7 + 1U;
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b4 = b;
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b4 -= b5;
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b5 = b;
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b4 -= b5;
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b5 = b;
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b5 -= b5;
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b5 = b3;
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b5 -= b5;
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array[0] = (int)b5;
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}
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// Token: 0x0600B817 RID: 47127 RVA: 0x0028DF38 File Offset: 0x0028C138
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[Token(Token = "0x600B817")]
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[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
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public RC2Engine()
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{
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this.Reset();
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}
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// Token: 0x0600B818 RID: 47128 RVA: 0x0028DF4C File Offset: 0x0028C14C
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// Note: this type is marked as 'beforefieldinit'.
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[Token(Token = "0x600B818")]
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[Address(RVA = "0x1DD7AB0", Offset = "0x1DD68B0", VA = "0x181DD7AB0")]
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static RC2Engine()
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{
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byte[] array = new byte[256];
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RuntimeHelpers.InitializeArray(array, fieldof(<PrivateImplementationDetails>.0392525BCB01691D1F319D89F2C12BF93A478467).FieldHandle);
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RC2Engine.piTable = array;
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}
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// Token: 0x040074B8 RID: 29880
|
|
[Token(Token = "0x40074B8")]
|
|
private static readonly byte[] piTable;
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// Token: 0x040074B9 RID: 29881
|
|
[Token(Token = "0x40074B9")]
|
|
private const int BLOCK_SIZE = 8;
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// Token: 0x040074BA RID: 29882
|
|
[FieldOffset(Offset = "0x10")]
|
|
[Token(Token = "0x40074BA")]
|
|
private int[] workingKey;
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|
|
// Token: 0x040074BB RID: 29883
|
|
[FieldOffset(Offset = "0x18")]
|
|
[Token(Token = "0x40074BB")]
|
|
private bool encrypting;
|
|
}
|
|
}
|