niko
386 lines
16 KiB
C#
386 lines
16 KiB
C#
using System;
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using System.IO;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Macs;
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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.Modes
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{
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// Token: 0x02001D13 RID: 7443
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[Token(Token = "0x2001D13")]
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public class CcmBlockCipher : IAeadBlockCipher
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{
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// Token: 0x0600B7F5 RID: 47093 RVA: 0x0027C678 File Offset: 0x0027A878
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[Token(Token = "0x600B7F5")]
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[Address(RVA = "0x25B4140", Offset = "0x25B3140", VA = "0x1825B4140")]
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public CcmBlockCipher(IBlockCipher cipher)
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{
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MemoryStream memoryStream = new MemoryStream();
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this.associatedText = memoryStream;
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MemoryStream memoryStream2 = new MemoryStream();
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this.data = memoryStream2;
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base..ctor();
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this.cipher = cipher;
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byte[] array = new byte[CcmBlockCipher.BlockSize];
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this.macBlock = array;
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}
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// Token: 0x0600B7F6 RID: 47094 RVA: 0x0027C6D4 File Offset: 0x0027A8D4
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[Token(Token = "0x600B7F6")]
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[Address(RVA = "0x411530", Offset = "0x410530", VA = "0x180411530", Slot = "17")]
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public virtual IBlockCipher GetUnderlyingCipher()
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{
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return this.cipher;
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}
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// Token: 0x0600B7F7 RID: 47095 RVA: 0x0027C6E8 File Offset: 0x0027A8E8
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[Token(Token = "0x600B7F7")]
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[Address(RVA = "0x25B33E0", Offset = "0x25B23E0", VA = "0x1825B33E0", Slot = "18")]
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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 (0600B7F7)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes.CcmBlockCipher::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_78:
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stloc:ArgumentException(var_11_82, newobj:ArgumentException(ArgumentException::.ctor, ldstr:string("invalid parameters passed to CCM")))
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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: 0x17001D14 RID: 7444
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// (get) Token: 0x0600B7F8 RID: 47096 RVA: 0x0027C778 File Offset: 0x0027A978
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[Token(Token = "0x17001D14")]
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public virtual string AlgorithmName
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{
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[Token(Token = "0x600B7F8")]
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[Address(RVA = "0x25B42D0", Offset = "0x25B32D0", VA = "0x1825B42D0", Slot = "19")]
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get
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{
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IBlockCipher blockCipher = this.cipher;
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return 0 + "/CCM";
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}
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}
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// Token: 0x0600B7F9 RID: 47097 RVA: 0x0027C7A0 File Offset: 0x0027A9A0
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[Token(Token = "0x600B7F9")]
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[Address(RVA = "0x25B3260", Offset = "0x25B2260", VA = "0x1825B3260", Slot = "20")]
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public virtual int GetBlockSize()
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{
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IBlockCipher blockCipher = this.cipher;
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throw new NullReferenceException();
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}
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// Token: 0x0600B7FA RID: 47098 RVA: 0x0027C7BC File Offset: 0x0027A9BC
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[Token(Token = "0x600B7FA")]
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[Address(RVA = "0x25B3670", Offset = "0x25B2670", VA = "0x1825B3670", Slot = "21")]
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public virtual void ProcessAadByte(byte input)
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{
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((IDisposable)this.associatedText).Dispose();
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}
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// Token: 0x0600B7FB RID: 47099 RVA: 0x0027C7DC File Offset: 0x0027A9DC
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[Token(Token = "0x600B7FB")]
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[Address(RVA = "0x25B36A0", Offset = "0x25B26A0", VA = "0x1825B36A0", Slot = "22")]
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public virtual void ProcessAadBytes(byte[] inBytes, int inOff, int len)
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{
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int num = this.associatedText.Read(inBytes, inOff, len);
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}
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// Token: 0x0600B7FC RID: 47100 RVA: 0x0027C800 File Offset: 0x0027AA00
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[Token(Token = "0x600B7FC")]
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[Address(RVA = "0x25B36D0", Offset = "0x25B26D0", VA = "0x1825B36D0", Slot = "23")]
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public virtual int ProcessByte(byte input, byte[] outBytes, int outOff)
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{
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MemoryStream memoryStream = this.data;
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return 0;
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}
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// Token: 0x0600B7FD RID: 47101 RVA: 0x0027C81C File Offset: 0x0027AA1C
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[Token(Token = "0x600B7FD")]
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[Address(RVA = "0x25B3700", Offset = "0x25B2700", VA = "0x1825B3700", Slot = "24")]
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public virtual int ProcessBytes(byte[] inBytes, int inOff, int inLen, byte[] outBytes, int outOff)
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{
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Check.DataLength(inBytes, inOff, inOff, "Input buffer too short");
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int num = this.data.ReadByte();
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return 0;
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}
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// Token: 0x0600B7FE RID: 47102 RVA: 0x0027C84C File Offset: 0x0027AA4C
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[Token(Token = "0x600B7FE")]
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[Address(RVA = "0x25B3150", Offset = "0x25B2150", VA = "0x1825B3150", Slot = "25")]
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public virtual int DoFinal(byte[] outBytes, int outOff)
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{
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MemoryStream memoryStream = this.data;
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long length = this.data.Length;
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throw new NullReferenceException();
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}
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// Token: 0x0600B7FF RID: 47103 RVA: 0x0027C874 File Offset: 0x0027AA74
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[Token(Token = "0x600B7FF")]
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[Address(RVA = "0x25B4080", Offset = "0x25B3080", VA = "0x1825B4080", Slot = "26")]
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public virtual void Reset()
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{
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IBlockCipher blockCipher = this.cipher;
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MemoryStream memoryStream = this.associatedText;
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((IDisposable)this.data).Dispose();
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}
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// Token: 0x0600B800 RID: 47104 RVA: 0x0027C8A0 File Offset: 0x0027AAA0
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[Token(Token = "0x600B800")]
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[Address(RVA = "0x25B32B0", Offset = "0x25B22B0", VA = "0x1825B32B0", Slot = "27")]
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public virtual byte[] GetMac()
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{
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byte[] array = this.macBlock;
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int num = this.macSize;
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int num2 = 0;
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return Arrays.CopyOfRange(array, num2, num);
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}
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// Token: 0x0600B801 RID: 47105 RVA: 0x0027C8C8 File Offset: 0x0027AAC8
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[Token(Token = "0x600B801")]
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[Address(RVA = "0x4242C0", Offset = "0x4232C0", VA = "0x1804242C0", Slot = "28")]
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public virtual int GetUpdateOutputSize(int len)
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{
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return 0;
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}
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// Token: 0x0600B802 RID: 47106 RVA: 0x0027C8D8 File Offset: 0x0027AAD8
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[Token(Token = "0x600B802")]
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[Address(RVA = "0x25B3320", Offset = "0x25B2320", VA = "0x1825B3320", Slot = "29")]
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public virtual int GetOutputSize(int len)
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{
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bool flag = this.data.CanWrite;
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int num = this.macSize;
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flag = (flag ? 1 : 0) + len != 0;
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if (!this.forEncryption)
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{
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if ((flag ? 1 : 0) < num)
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{
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return 0;
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}
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flag = (flag ? 1 : 0) - num != 0;
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}
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flag = (flag ? 1 : 0) + num != 0;
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throw new NullReferenceException();
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}
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// Token: 0x0600B803 RID: 47107 RVA: 0x0027C918 File Offset: 0x0027AB18
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[Token(Token = "0x600B803")]
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[Address(RVA = "0x25B3F90", Offset = "0x25B2F90", VA = "0x1825B3F90", Slot = "30")]
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public virtual byte[] ProcessPacket(byte[] input, int inOff, int inLen)
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{
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int num = this.macSize;
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if (!this.forEncryption)
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{
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}
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byte[] array = new byte[input];
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byte[] array2 = this.ProcessPacket(input, inOff, inLen);
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return array;
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}
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// Token: 0x0600B804 RID: 47108 RVA: 0x0027C954 File Offset: 0x0027AB54
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[Token(Token = "0x600B804")]
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[Address(RVA = "0x25B37A0", Offset = "0x25B27A0", VA = "0x1825B37A0", Slot = "31")]
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public virtual int ProcessPacket(byte[] input, int inOff, int inLen, byte[] output, int outOff)
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{
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/*
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An exception occurred when decompiling this method (0600B804)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int32 BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes.CcmBlockCipher::ProcessPacket(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_11D:
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stloc:InvalidCipherTextException(var_24_127, newobj:InvalidCipherTextException(InvalidCipherTextException::.ctor, ldstr:string("mac check in CCM failed")))
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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: 0x0600B805 RID: 47109 RVA: 0x0027CA8C File Offset: 0x0027AC8C
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[Token(Token = "0x600B805")]
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[Address(RVA = "0x25B2C40", Offset = "0x25B1C40", VA = "0x1825B2C40")]
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private int CalculateMac(byte[] data, int dataOff, int dataLen, byte[] macBlock)
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{
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int num;
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CbcBlockCipherMac cbcBlockCipherMac = new CbcBlockCipherMac(this.cipher, dataOff, num);
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num = 0;
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byte[] array = new byte[16];
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bool flag = this.associatedText.CanWrite;
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byte[] array2 = this.initialAssociatedText;
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if (array2 == 0)
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{
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}
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int length = array2.Length;
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flag = (flag ? 1 : 0) + length != 0;
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if (flag > false)
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{
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}
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uint num2;
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flag = (flag ? 1U : 0U) - num2 != 0U;
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flag = flag - typeof(IMac).TypeHandle != null;
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array[0] = (flag ? 1 : 0);
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byte[] array3 = this.nonce;
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uint num3;
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array[0] = (byte)num3;
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byte[] array4 = this.nonce;
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int length2 = array4.Length;
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int num4 = 0;
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uint num5;
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Array.Copy(array4, num4, array, (int)num5, length2);
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if (dataLen > 0)
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{
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int num6 = array.Length;
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num6 -= (int)num5;
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num5 += (uint)1;
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}
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int length3 = array.Length;
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bool flag2 = this.associatedText.CanWrite;
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byte[] array5 = this.initialAssociatedText;
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int num7 = 0;
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if (array5 == 0)
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{
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}
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flag2 = (flag2 ? 1 : 0) + num7 != 0;
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if (flag2 > false)
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{
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bool canWrite = this.associatedText.CanWrite;
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if (this.initialAssociatedText == 0)
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{
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}
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byte[] array6 = this.initialAssociatedText;
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if (array6 != 0)
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{
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int length4 = array6.Length;
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}
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long length5 = this.associatedText.Length;
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MemoryStream memoryStream = this.associatedText;
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MemoryStream memoryStream2 = this.associatedText;
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long length6 = memoryStream2.Length;
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int num8 = 0;
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if (memoryStream2 < 0)
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{
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}
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uint num9;
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if (length6 < (long)num9)
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{
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num9 = (uint)((long)num9 - length6);
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if (num8 < cbcBlockCipherMac)
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{
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num8 += num8;
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num8++;
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}
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while (num8 != cbcBlockCipherMac)
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{
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}
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}
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}
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int num10 = 0;
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num10 += 3;
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num10 += 19;
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throw new NullReferenceException();
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}
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// Token: 0x0600B806 RID: 47110 RVA: 0x0027CC1C File Offset: 0x0027AE1C
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[Token(Token = "0x600B806")]
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[Address(RVA = "0x25B3210", Offset = "0x25B2210", VA = "0x1825B3210")]
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private int GetAssociatedTextLength()
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{
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bool flag = this.associatedText.CanWrite;
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byte[] array = this.initialAssociatedText;
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if (array == 0)
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{
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flag = flag + array != null;
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}
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int length = array.Length;
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flag = (flag ? 1 : 0) + length != 0;
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throw new NullReferenceException();
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}
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// Token: 0x0600B807 RID: 47111 RVA: 0x0027CC54 File Offset: 0x0027AE54
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[Token(Token = "0x600B807")]
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[Address(RVA = "0x25B3390", Offset = "0x25B2390", VA = "0x1825B3390")]
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private bool HasAssociatedText()
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{
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bool flag = this.associatedText.CanWrite;
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byte[] array = this.initialAssociatedText;
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if (array == 0)
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{
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flag = flag + array != null;
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return flag > false;
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}
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int length = array.Length;
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flag = (flag ? 1 : 0) + length != 0;
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return flag > false;
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}
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// Token: 0x0400740D RID: 29709
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[Token(Token = "0x400740D")]
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private static readonly int BlockSize;
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// Token: 0x0400740E RID: 29710
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x400740E")]
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private readonly IBlockCipher cipher;
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// Token: 0x0400740F RID: 29711
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x400740F")]
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private readonly byte[] macBlock;
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// Token: 0x04007410 RID: 29712
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x4007410")]
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private bool forEncryption;
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// Token: 0x04007411 RID: 29713
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x4007411")]
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private byte[] nonce;
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// Token: 0x04007412 RID: 29714
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[FieldOffset(Offset = "0x30")]
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[Token(Token = "0x4007412")]
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private byte[] initialAssociatedText;
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// Token: 0x04007413 RID: 29715
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[FieldOffset(Offset = "0x38")]
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[Token(Token = "0x4007413")]
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private int macSize;
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// Token: 0x04007414 RID: 29716
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[FieldOffset(Offset = "0x40")]
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[Token(Token = "0x4007414")]
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private ICipherParameters keyParam;
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// Token: 0x04007415 RID: 29717
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[FieldOffset(Offset = "0x48")]
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[Token(Token = "0x4007415")]
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private readonly MemoryStream associatedText;
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// Token: 0x04007416 RID: 29718
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[FieldOffset(Offset = "0x50")]
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[Token(Token = "0x4007416")]
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private readonly MemoryStream data;
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}
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}
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