using System;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls
{
	// Token: 0x02001585 RID: 5509
	[Token(Token = "0x2001585")]
	[StructLayout(3)]
	public class TlsBlockCipher : TlsCipher
	{
		// Token: 0x1700179B RID: 6043
		// (get) Token: 0x06009246 RID: 37446 RVA: 0x00206B40 File Offset: 0x00204D40
		[Token(Token = "0x1700179B")]
		public virtual TlsMac WriteMac
		{
			[Token(Token = "0x6009246")]
			[Address(RVA = "0x3EE8E0", Offset = "0x3ED2E0", VA = "0x1803EE8E0", Slot = "7")]
			get
			{
				return this.mWriteMac;
			}
		}

		// Token: 0x1700179C RID: 6044
		// (get) Token: 0x06009247 RID: 37447 RVA: 0x00206B54 File Offset: 0x00204D54
		[Token(Token = "0x1700179C")]
		public virtual TlsMac ReadMac
		{
			[Token(Token = "0x6009247")]
			[Address(RVA = "0x3D32F0", Offset = "0x3D1CF0", VA = "0x1803D32F0", Slot = "8")]
			get
			{
				return this.mReadMac;
			}
		}

		// Token: 0x06009248 RID: 37448 RVA: 0x00206B68 File Offset: 0x00204D68
		[Token(Token = "0x6009248")]
		[Address(RVA = "0x1E8FB30", Offset = "0x1E8E530", VA = "0x181E8FB30")]
		public TlsBlockCipher(TlsContext context, IBlockCipher clientWriteCipher, IBlockCipher serverWriteCipher, IDigest clientWriteDigest, IDigest serverWriteDigest, int cipherKeySize)
		{
			this.context = context;
			byte[] array = new byte[256];
			this.randomData = array;
			bool flag = TlsUtilities.IsTlsV11(context);
			this.useExplicitIV = flag;
			this.encryptThenMac = flag;
			if (!this.useExplicitIV)
			{
			}
			TlsMac tlsMac;
			TlsMac tlsMac2;
			tlsMac += tlsMac2;
			byte[] array3;
			if (!this.useExplicitIV)
			{
				byte[] array2;
				tlsMac += array2;
				tlsMac += array3;
			}
			byte[] array4 = new byte[array3];
			byte[] array5 = new byte[array4];
			KeyParameter keyParameter;
			KeyParameter keyParameter2;
			if (array5 == 0)
			{
				this.mWriteMac = tlsMac;
				this.mReadMac = tlsMac2;
				this.encryptCipher = clientWriteCipher;
				this.decryptCipher = serverWriteCipher;
				ParametersWithIV parametersWithIV = new ParametersWithIV(keyParameter, array4);
				ParametersWithIV parametersWithIV2 = new ParametersWithIV(keyParameter2, array5);
			}
			this.mWriteMac = tlsMac2;
			this.mReadMac = tlsMac;
			this.encryptCipher = serverWriteCipher;
			this.decryptCipher = clientWriteCipher;
			ParametersWithIV parametersWithIV3 = new ParametersWithIV(keyParameter2, array5);
			ParametersWithIV parametersWithIV4 = new ParametersWithIV(keyParameter, array4);
			IBlockCipher blockCipher = this.encryptCipher;
			IBlockCipher blockCipher2 = this.decryptCipher;
			throw new NullReferenceException();
		}

		// Token: 0x06009249 RID: 37449 RVA: 0x00206C70 File Offset: 0x00204E70
		[Token(Token = "0x6009249")]
		[Address(RVA = "0x1E8FA50", Offset = "0x1E8E450", VA = "0x181E8FA50", Slot = "9")]
		public virtual int GetPlaintextLimit(int ciphertextLimit)
		{
			IBlockCipher blockCipher = this.encryptCipher;
			byte[] macSecret = this.mWriteMac.MacSecret;
			if (!this.encryptThenMac)
			{
				return ciphertextLimit - 1;
			}
			return ciphertextLimit - 1;
		}

		// Token: 0x0600924A RID: 37450 RVA: 0x00206CA8 File Offset: 0x00204EA8
		[Token(Token = "0x600924A")]
		[Address(RVA = "0x1E8F530", Offset = "0x1E8DF30", VA = "0x181E8F530", Slot = "10")]
		public virtual byte[] EncodePlaintext(long seqNo, byte type, byte[] plaintext, int offset, int len)
		{
			IBlockCipher blockCipher = this.encryptCipher;
			byte[] macSecret = this.mWriteMac.MacSecret;
			TlsContext tlsContext = this.context;
			if (!this.encryptThenMac)
			{
				TlsContext tlsContext2 = this.context;
			}
			TlsContext tlsContext3 = this.context;
			byte[] array = new byte[this];
			int num = 0;
			if ((this.useExplicitIV ? 1 : 0) != num)
			{
				if (this.explicitIV != 0)
				{
				}
				TlsContext tlsContext4 = this.context;
				IBlockCipher blockCipher2 = this.encryptCipher;
				byte[] array2 = this.explicitIV;
				int num2;
				ParametersWithIV parametersWithIV = new ParametersWithIV(num2, array2);
				num2 = 0;
				byte[] array3 = this.explicitIV;
			}
			if (!this.encryptThenMac)
			{
				int size = this.mWriteMac.Size;
			}
			int num3 = 0;
			num3++;
			IBlockCipher blockCipher3 = this.encryptCipher;
			if (num3 < array)
			{
				num3 += num3;
				num3++;
			}
			if (this.encryptThenMac)
			{
				int size2 = this.mWriteMac.Size;
			}
			return array;
		}

		// Token: 0x0600924B RID: 37451 RVA: 0x00206DA4 File Offset: 0x00204FA4
		[Token(Token = "0x600924B")]
		[Address(RVA = "0x1E8F070", Offset = "0x1E8DA70", VA = "0x181E8F070", Slot = "11")]
		public virtual byte[] DecodeCiphertext(long seqNo, byte type, byte[] ciphertext, int offset, int len)
		{
			/*
An exception occurred when decompiling this method (0600924B)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls.TlsBlockCipher::DecodeCiphertext(System.Int64,System.Byte,System.Byte[],System.Int32,System.Int32)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_AE:
	stloc:TlsFatalAlert(var_24_B5, newobj:TlsFatalAlert(TlsFatalAlert::.ctor, ldloc:uint64[exp:uint8](var_25)))
}

   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
   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
   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
   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
   --- End of inner exception stack trace ---
   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
   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
*/;
		}

		// Token: 0x0600924C RID: 37452 RVA: 0x00206E68 File Offset: 0x00205068
		[Token(Token = "0x600924C")]
		[Address(RVA = "0x1E8EE10", Offset = "0x1E8D810", VA = "0x181E8EE10", Slot = "12")]
		protected virtual int CheckPaddingConstantTime(byte[] buf, int off, int len, int blockSize, int macSize)
		{
			int num;
			do
			{
				num = 0;
				byte b2;
				byte b = b2 + 1;
				int num2 = 0;
				bool flag;
				if (flag)
				{
				}
				int length = buf.Length;
				num2 -= (int)b;
				num2++;
			}
			while (num == 0);
			return 0;
		}

		// Token: 0x0600924D RID: 37453 RVA: 0x00206EA4 File Offset: 0x002050A4
		[Token(Token = "0x600924D")]
		[Address(RVA = "0x1E8EFC0", Offset = "0x1E8D9C0", VA = "0x181E8EFC0", Slot = "13")]
		protected virtual int ChooseExtraPadBlocks(SecureRandom r, int max)
		{
			int num;
			return Math.Min(num, max);
		}

		// Token: 0x0600924E RID: 37454 RVA: 0x00206EC0 File Offset: 0x002050C0
		[Token(Token = "0x600924E")]
		[Address(RVA = "0x1E8FB10", Offset = "0x1E8E510", VA = "0x181E8FB10", Slot = "14")]
		protected virtual int LowestBitSet(int x)
		{
			if (x != 0)
			{
				int num = 0;
				if (x == 1)
				{
					num++;
					while (x == 1)
					{
					}
					return num;
				}
			}
			return 32;
		}

		// Token: 0x040061A5 RID: 24997
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x40061A5")]
		protected readonly TlsContext context;

		// Token: 0x040061A6 RID: 24998
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x40061A6")]
		protected readonly byte[] randomData;

		// Token: 0x040061A7 RID: 24999
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x40061A7")]
		protected readonly bool useExplicitIV;

		// Token: 0x040061A8 RID: 25000
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x21")]
		[Token(Token = "0x40061A8")]
		protected readonly bool encryptThenMac;

		// Token: 0x040061A9 RID: 25001
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x40061A9")]
		protected readonly IBlockCipher encryptCipher;

		// Token: 0x040061AA RID: 25002
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x40061AA")]
		protected readonly IBlockCipher decryptCipher;

		// Token: 0x040061AB RID: 25003
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
		[Token(Token = "0x40061AB")]
		protected readonly TlsMac mWriteMac;

		// Token: 0x040061AC RID: 25004
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
		[Token(Token = "0x40061AC")]
		protected readonly TlsMac mReadMac;

		// Token: 0x040061AD RID: 25005
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x48")]
		[Token(Token = "0x40061AD")]
		private byte[] explicitIV;
	}
}