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

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls
{
	// Token: 0x02001C42 RID: 7234
	[Token(Token = "0x2001C42")]
	public class TlsBlockCipher : TlsCipher
	{
		// Token: 0x17001C39 RID: 7225
		// (get) Token: 0x0600B1EE RID: 45550 RVA: 0x0026720C File Offset: 0x0026540C
		[Token(Token = "0x17001C39")]
		public virtual TlsMac WriteMac
		{
			[Token(Token = "0x600B1EE")]
			[Address(RVA = "0x41CEF0", Offset = "0x41BEF0", VA = "0x18041CEF0", Slot = "7")]
			get
			{
				return this.mWriteMac;
			}
		}

		// Token: 0x17001C3A RID: 7226
		// (get) Token: 0x0600B1EF RID: 45551 RVA: 0x00267220 File Offset: 0x00265420
		[Token(Token = "0x17001C3A")]
		public virtual TlsMac ReadMac
		{
			[Token(Token = "0x600B1EF")]
			[Address(RVA = "0x417680", Offset = "0x416680", VA = "0x180417680", Slot = "8")]
			get
			{
				return this.mReadMac;
			}
		}

		// Token: 0x0600B1F0 RID: 45552 RVA: 0x00267234 File Offset: 0x00265434
		[Token(Token = "0x600B1F0")]
		[Address(RVA = "0x49BF20", Offset = "0x49AF20", VA = "0x18049BF20")]
		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: 0x0600B1F1 RID: 45553 RVA: 0x0026733C File Offset: 0x0026553C
		[Token(Token = "0x600B1F1")]
		[Address(RVA = "0x49BE40", Offset = "0x49AE40", VA = "0x18049BE40", 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: 0x0600B1F2 RID: 45554 RVA: 0x00267374 File Offset: 0x00265574
		[Token(Token = "0x600B1F2")]
		[Address(RVA = "0x49B920", Offset = "0x49A920", VA = "0x18049B920", 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: 0x0600B1F3 RID: 45555 RVA: 0x00267470 File Offset: 0x00265670
		[Token(Token = "0x600B1F3")]
		[Address(RVA = "0x49B460", Offset = "0x49A460", VA = "0x18049B460", Slot = "11")]
		public virtual byte[] DecodeCiphertext(long seqNo, byte type, byte[] ciphertext, int offset, int len)
		{
			/*
An exception occurred when decompiling this method (0600B1F3)

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: 0x0600B1F4 RID: 45556 RVA: 0x00267534 File Offset: 0x00265734
		[Token(Token = "0x600B1F4")]
		[Address(RVA = "0x49B200", Offset = "0x49A200", VA = "0x18049B200", 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: 0x0600B1F5 RID: 45557 RVA: 0x00267570 File Offset: 0x00265770
		[Token(Token = "0x600B1F5")]
		[Address(RVA = "0x49B3B0", Offset = "0x49A3B0", VA = "0x18049B3B0", Slot = "13")]
		protected virtual int ChooseExtraPadBlocks(SecureRandom r, int max)
		{
			int num;
			return Math.Min(num, max);
		}

		// Token: 0x0600B1F6 RID: 45558 RVA: 0x0026758C File Offset: 0x0026578C
		[Token(Token = "0x600B1F6")]
		[Address(RVA = "0x49BF00", Offset = "0x49AF00", VA = "0x18049BF00", 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: 0x040071A1 RID: 29089
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x40071A1")]
		protected readonly TlsContext context;

		// Token: 0x040071A2 RID: 29090
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x40071A2")]
		protected readonly byte[] randomData;

		// Token: 0x040071A3 RID: 29091
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x40071A3")]
		protected readonly bool useExplicitIV;

		// Token: 0x040071A4 RID: 29092
		[FieldOffset(Offset = "0x21")]
		[Token(Token = "0x40071A4")]
		protected readonly bool encryptThenMac;

		// Token: 0x040071A5 RID: 29093
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x40071A5")]
		protected readonly IBlockCipher encryptCipher;

		// Token: 0x040071A6 RID: 29094
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x40071A6")]
		protected readonly IBlockCipher decryptCipher;

		// Token: 0x040071A7 RID: 29095
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x40071A7")]
		protected readonly TlsMac mWriteMac;

		// Token: 0x040071A8 RID: 29096
		[FieldOffset(Offset = "0x40")]
		[Token(Token = "0x40071A8")]
		protected readonly TlsMac mReadMac;

		// Token: 0x040071A9 RID: 29097
		[FieldOffset(Offset = "0x48")]
		[Token(Token = "0x40071A9")]
		private byte[] explicitIV;
	}
}