niko
338 lines
14 KiB
C#
338 lines
14 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using System.Runtime.Serialization.Formatters.Binary;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities;
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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: 0x020016B8 RID: 5816
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[Token(Token = "0x20016B8")]
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[StructLayout(3)]
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public class IsaacEngine : IStreamCipher
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{
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// Token: 0x06009BEF RID: 39919 RVA: 0x0023475C File Offset: 0x0023295C
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[Token(Token = "0x6009BEF")]
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[Address(RVA = "0x2125090", Offset = "0x2123A90", VA = "0x182125090", 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 (06009BEF)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.IsaacEngine::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_18:
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stloc:ArgumentException(var_4_2D, newobj:ArgumentException(ArgumentException::.ctor, call:string(string::Concat, ldstr:string("invalid parameter passed to ISAAC Init - "), ldloc:string(var_3)), ldstr:string("parameters")))
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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: 0x06009BF0 RID: 39920 RVA: 0x00234798 File Offset: 0x00232998
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[Token(Token = "0x6009BF0")]
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[Address(RVA = "0x21253D0", Offset = "0x2123DD0", VA = "0x1821253D0", Slot = "10")]
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public virtual byte ReturnByte(byte input)
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{
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if (this.index == 0)
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{
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this.isaac();
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byte[] array = Pack.UInt32_To_BE(this.results);
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this.keyStream = array;
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}
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byte[] array2 = this.keyStream;
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int num = this.index + 1;
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this.index = num;
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byte b;
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return b;
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}
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// Token: 0x06009BF1 RID: 39921 RVA: 0x002347E8 File Offset: 0x002329E8
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[Token(Token = "0x6009BF1")]
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[Address(RVA = "0x21251E0", Offset = "0x2123BE0", VA = "0x1821251E0", Slot = "11")]
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public virtual void ProcessBytes(byte[] input, int inOff, int len, byte[] output, int outOff)
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{
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/*
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An exception occurred when decompiling this method (06009BF1)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.IsaacEngine::ProcessBytes(System.Byte[],System.Int32,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_63:
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stloc:InvalidOperationException(var_7_6A, newobj:InvalidOperationException(InvalidOperationException::.ctor, ldloc:string(var_6)))
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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: 0x170018D1 RID: 6353
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// (get) Token: 0x06009BF2 RID: 39922 RVA: 0x00234860 File Offset: 0x00232A60
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[Token(Token = "0x170018D1")]
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public virtual string AlgorithmName
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{
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[Token(Token = "0x6009BF2")]
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[Address(RVA = "0x2125520", Offset = "0x2123F20", VA = "0x182125520", Slot = "12")]
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get
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{
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return "ISAAC";
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}
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}
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// Token: 0x06009BF3 RID: 39923 RVA: 0x00234874 File Offset: 0x00232A74
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[Token(Token = "0x6009BF3")]
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[Address(RVA = "0x21253C0", Offset = "0x2123DC0", VA = "0x1821253C0", 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: 0x06009BF4 RID: 39924 RVA: 0x00234890 File Offset: 0x00232A90
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[Token(Token = "0x6009BF4")]
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[Address(RVA = "0x2125C80", Offset = "0x2124680", VA = "0x182125C80")]
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private void setKey(byte[] keyBytes)
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{
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this.workingKey = keyBytes;
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if (this.engineState == (ulong)0L)
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{
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uint[] array = new uint[IsaacEngine.stateArraySize];
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this.engineState = array;
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}
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if (this.results == (ulong)0L)
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{
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uint[] array2 = new uint[IsaacEngine.stateArraySize];
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this.results = array2;
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}
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int num = 0;
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uint[] array3 = this.results;
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uint[] array4 = this.engineState;
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array3[0] = (uint)num;
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array4[0] = (uint)num;
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num++;
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this.b = (uint)num;
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this.a = (uint)num;
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this.index = num;
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byte[] array5 = new byte[keyBytes.Length];
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int length = keyBytes.Length;
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int num2 = 0;
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int num3 = 0;
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Array.Copy(keyBytes, num3, array5, num2, length);
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if (num < array5.Length)
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{
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uint[] array6 = this.results;
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int @int = SerializationHeaderRecord.GetInt32(array5, num);
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num += 4;
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array6[0] = (uint)@int;
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}
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uint[] array7 = new uint[IsaacEngine.sizeL];
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num++;
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array7[0] = (uint)((ulong)2654435769L);
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this.mix(array7);
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while (num != array7.Length)
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{
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}
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num -= num;
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if (num < 1)
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{
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uint[] array8 = this.results;
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}
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uint[] array9 = this.engineState;
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num++;
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this.mix(array7);
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uint[] array10 = this.engineState;
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num++;
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uint num4 = array7[num];
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array10[0] = num4;
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num++;
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this.isaac();
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this.initialised = true;
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}
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// Token: 0x06009BF5 RID: 39925 RVA: 0x00234A00 File Offset: 0x00232C00
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[Token(Token = "0x6009BF5")]
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[Address(RVA = "0x2125550", Offset = "0x2123F50", VA = "0x182125550")]
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private void isaac()
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{
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uint num = this.c;
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num += (uint)1;
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int num2 = 0;
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this.c = num;
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uint[] array = this.engineState;
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uint num3 = array[num2];
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if (num2 != array.Length && num2 != array.Length && (num2 == array.Length || num2 == 1))
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{
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this.a = (uint)num2;
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}
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uint num4;
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this.a = num4;
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int length = array.Length;
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uint num5 = array[(int)num3];
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num5 += num4;
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array.m_value = num5;
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uint[] array2 = this.engineState;
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uint[] array3 = this.results;
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num3 = num5;
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uint num6 = array2[(int)num3];
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num6 += num3;
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this.b = num6;
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array3.m_value = num6;
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num2++;
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}
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// Token: 0x06009BF6 RID: 39926 RVA: 0x00234AC0 File Offset: 0x00232CC0
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[Token(Token = "0x6009BF6")]
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[Address(RVA = "0x2125740", Offset = "0x2124140", VA = "0x182125740")]
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private void mix(uint[] x)
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{
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int length = x.Length;
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uint num = x[0];
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x[0] = num;
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int length2 = x.Length;
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uint num2 = x[0];
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uint num3 = x[1];
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num3 += num2;
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x[0] = num3;
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int length3 = x.Length;
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uint num4 = x[1];
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x[0] = num4;
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int length4 = x.Length;
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uint num5 = x[1];
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uint num6 = x[1];
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num6 += num5;
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x[1] = num6;
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int length5 = x.Length;
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uint num7 = x[1];
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x[1] = num7;
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int length6 = x.Length;
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uint num8 = x[1];
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uint num9 = x[2];
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num9 += num8;
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x[1] = num9;
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int length7 = x.Length;
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uint num10 = x[2];
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x[1] = num10;
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int length8 = x.Length;
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uint num11 = x[2];
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uint num12 = x[2];
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num12 += num11;
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x[2] = num12;
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int length9 = x.Length;
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uint num13 = x[2];
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x[2] = num13;
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int length10 = x.Length;
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uint num14 = x[2];
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x[2] = num14;
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int length11 = x.Length;
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uint num15 = x[3];
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x[2] = num15;
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int length12 = x.Length;
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uint num16 = x[0];
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num15 += num16;
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x[0] = num15;
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int length13 = x.Length;
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uint num17 = x[3];
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x[3] = num17;
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int length14 = x.Length;
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uint num18 = x[3];
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x[3] = num18;
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int length15 = x.Length;
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uint num19 = x[0];
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num18 += num19;
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x[0] = num18;
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uint num20 = x[0];
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x[3] = num20;
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uint num21 = x[0];
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x[3] = num21;
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int length16 = x.Length;
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uint num22 = x[1];
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num21 += num22;
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x[1] = num21;
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int length17 = x.Length;
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uint num23 = x[0];
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x[0] = num23;
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}
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// Token: 0x06009BF7 RID: 39927 RVA: 0x00234D00 File Offset: 0x00232F00
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[Token(Token = "0x6009BF7")]
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[Address(RVA = "0x21254A0", Offset = "0x2123EA0", VA = "0x1821254A0")]
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public IsaacEngine()
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{
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byte[] array = new byte[IsaacEngine.stateArraySize];
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this.keyStream = array;
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base..ctor();
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}
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// Token: 0x04006650 RID: 26192
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[Token(Token = "0x4006650")]
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private static readonly int sizeL;
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// Token: 0x04006651 RID: 26193
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[Token(Token = "0x4006651")]
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private static readonly int stateArraySize = IsaacEngine.sizeL;
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// Token: 0x04006652 RID: 26194
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4006652")]
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private uint[] engineState;
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// Token: 0x04006653 RID: 26195
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
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[Token(Token = "0x4006653")]
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private uint[] results;
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// Token: 0x04006654 RID: 26196
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
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[Token(Token = "0x4006654")]
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private uint a;
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// Token: 0x04006655 RID: 26197
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x24")]
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[Token(Token = "0x4006655")]
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private uint b;
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// Token: 0x04006656 RID: 26198
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
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[Token(Token = "0x4006656")]
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private uint c;
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// Token: 0x04006657 RID: 26199
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x2C")]
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[Token(Token = "0x4006657")]
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private int index;
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// Token: 0x04006658 RID: 26200
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
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[Token(Token = "0x4006658")]
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private byte[] keyStream;
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// Token: 0x04006659 RID: 26201
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
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[Token(Token = "0x4006659")]
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private byte[] workingKey;
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// Token: 0x0400665A RID: 26202
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
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[Token(Token = "0x400665A")]
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private bool initialised;
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}
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}
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