scripts
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niko
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using System;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.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: 0x020016BF RID: 5823
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[Token(Token = "0x20016BF")]
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[StructLayout(3)]
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public class RC2WrapEngine : IWrapper
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{
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// Token: 0x06009C3F RID: 39999 RVA: 0x002367F8 File Offset: 0x002349F8
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[Token(Token = "0x6009C3F")]
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[Address(RVA = "0x212A440", Offset = "0x2128E40", VA = "0x18212A440", Slot = "8")]
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public virtual void Init(bool forWrapping, ICipherParameters parameters)
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{
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for (;;)
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{
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this.forWrapping = forWrapping;
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RC2Engine rc2Engine;
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rc2Engine.Reset();
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CbcBlockCipher cbcBlockCipher = new CbcBlockCipher(rc2Engine);
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this.engine = cbcBlockCipher;
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if (parameters != 0 && parameters != 0)
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{
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int num = 0;
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if (parameters == 0)
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{
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continue;
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}
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this.sr = num;
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}
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SecureRandom secureRandom = new SecureRandom();
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this.sr = secureRandom;
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if (parameters == 0 || parameters == 0)
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{
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break;
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}
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if (forWrapping && parameters != 0)
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{
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this.paramPlusIV = parameters;
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ParametersWithIV parametersWithIV = this.paramPlusIV;
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byte[] array;
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this.iv = array;
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ICipherParameters cipherParameters = parametersWithIV.parameters;
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if (array.Length == 8)
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{
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break;
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}
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}
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}
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this.parameters = parameters;
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if (this.forWrapping != parameters)
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{
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byte[] array2 = new byte[8];
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SecureRandom secureRandom2 = this.sr;
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this.iv = array2;
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double num2 = secureRandom2.NextDouble();
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ICipherParameters cipherParameters2 = this.parameters;
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byte[] array3 = this.iv;
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ParametersWithIV parametersWithIV2 = new ParametersWithIV(cipherParameters2, array3);
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this.paramPlusIV = parametersWithIV2;
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}
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}
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// Token: 0x170018DC RID: 6364
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// (get) Token: 0x06009C40 RID: 40000 RVA: 0x002368E4 File Offset: 0x00234AE4
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[Token(Token = "0x170018DC")]
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public virtual string AlgorithmName
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{
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[Token(Token = "0x6009C40")]
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[Address(RVA = "0x212B310", Offset = "0x2129D10", VA = "0x18212B310", Slot = "9")]
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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: 0x06009C41 RID: 40001 RVA: 0x002368F8 File Offset: 0x00234AF8
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[Token(Token = "0x6009C41")]
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[Address(RVA = "0x212AD80", Offset = "0x2129780", VA = "0x18212AD80", Slot = "10")]
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public virtual byte[] Wrap(byte[] input, int inOff, int length)
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{
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/*
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An exception occurred when decompiling this method (06009C41)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.RC2WrapEngine::Wrap(System.Byte[],System.Int32,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_27B:
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stloc:InvalidOperationException(var_52_285, newobj:InvalidOperationException(InvalidOperationException::.ctor, ldstr:string("Not multiple of block length")))
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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: 0x06009C42 RID: 40002 RVA: 0x00236B8C File Offset: 0x00234D8C
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[Token(Token = "0x6009C42")]
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[Address(RVA = "0x212A730", Offset = "0x2129130", VA = "0x18212A730", Slot = "11")]
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public virtual byte[] Unwrap(byte[] input, int inOff, int length)
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{
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/*
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An exception occurred when decompiling this method (06009C42)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.RC2WrapEngine::Unwrap(System.Byte[],System.Int32,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_29E:
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stloc:InvalidOperationException(var_58_2A8, newobj:InvalidOperationException(InvalidOperationException::.ctor, ldstr:string("Not set for unwrapping")))
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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: 0x06009C43 RID: 40003 RVA: 0x00236E44 File Offset: 0x00235044
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[Token(Token = "0x6009C43")]
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[Address(RVA = "0x212A2E0", Offset = "0x2128CE0", VA = "0x18212A2E0")]
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private byte[] CalculateCmsKeyChecksum(byte[] key)
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{
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IDigest digest = this.sha1;
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int length = key.Length;
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IDigest digest2 = this.sha1;
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byte[] array = new byte[8];
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byte[] array2 = this.digest;
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int num = 0;
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int num2 = 0;
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ulong num3;
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Array.Copy(array2, num2, array, num, (int)num3);
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return array;
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}
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// Token: 0x06009C44 RID: 40004 RVA: 0x00236E94 File Offset: 0x00235094
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[Token(Token = "0x6009C44")]
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[Address(RVA = "0x212A3C0", Offset = "0x2128DC0", VA = "0x18212A3C0")]
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private bool CheckCmsKeyChecksum(byte[] key, byte[] checksum)
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{
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return Arrays.ConstantTimeAreEqual(this.CalculateCmsKeyChecksum(key), checksum);
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}
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// Token: 0x06009C45 RID: 40005 RVA: 0x00236EB0 File Offset: 0x002350B0
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[Token(Token = "0x6009C45")]
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[Address(RVA = "0x212B2A0", Offset = "0x2129CA0", VA = "0x18212B2A0")]
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public RC2WrapEngine()
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{
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Sha1Digest sha1Digest = new Sha1Digest();
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this.sha1 = sha1Digest;
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byte[] array = new byte[20];
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this.digest = array;
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base..ctor();
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}
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// Token: 0x06009C46 RID: 40006 RVA: 0x00236EE0 File Offset: 0x002350E0
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// Note: this type is marked as 'beforefieldinit'.
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[Token(Token = "0x6009C46")]
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[Address(RVA = "0x212B240", Offset = "0x2129C40", VA = "0x18212B240")]
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static RC2WrapEngine()
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{
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byte[] array = new byte[8];
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RuntimeHelpers.InitializeArray(array, fieldof(<PrivateImplementationDetails>.6DFD60679846B0E2064404E9EA3E1DDCE2C5709D).FieldHandle);
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RC2WrapEngine.IV2 = array;
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}
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// Token: 0x04006679 RID: 26233
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4006679")]
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private CbcBlockCipher engine;
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// Token: 0x0400667A RID: 26234
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
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[Token(Token = "0x400667A")]
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private ICipherParameters parameters;
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// Token: 0x0400667B RID: 26235
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
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[Token(Token = "0x400667B")]
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private ParametersWithIV paramPlusIV;
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// Token: 0x0400667C RID: 26236
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
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[Token(Token = "0x400667C")]
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private byte[] iv;
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// Token: 0x0400667D RID: 26237
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
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[Token(Token = "0x400667D")]
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private bool forWrapping;
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// Token: 0x0400667E RID: 26238
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
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[Token(Token = "0x400667E")]
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private SecureRandom sr;
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// Token: 0x0400667F RID: 26239
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[Token(Token = "0x400667F")]
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private static readonly byte[] IV2;
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// Token: 0x04006680 RID: 26240
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
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[Token(Token = "0x4006680")]
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private IDigest sha1;
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// Token: 0x04006681 RID: 26241
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x48")]
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[Token(Token = "0x4006681")]
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private byte[] digest;
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}
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}
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