using System;
using System.IO;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Macs;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes
{
	// Token: 0x02001C33 RID: 7219
	[Token(Token = "0x2001C33")]
	public class CcmBlockCipher : IAeadBlockCipher
	{
		// Token: 0x0600B427 RID: 46119 RVA: 0x00273480 File Offset: 0x00271680
		[Token(Token = "0x600B427")]
		[Address(RVA = "0x1C1D1A0", Offset = "0x1C1BFA0", VA = "0x181C1D1A0")]
		public CcmBlockCipher(IBlockCipher cipher)
		{
			MemoryStream memoryStream = new MemoryStream();
			this.associatedText = memoryStream;
			MemoryStream memoryStream2 = new MemoryStream();
			this.data = memoryStream2;
			base..ctor();
			this.cipher = cipher;
			byte[] array = new byte[CcmBlockCipher.BlockSize];
			this.macBlock = array;
		}

		// Token: 0x0600B428 RID: 46120 RVA: 0x002734DC File Offset: 0x002716DC
		[Token(Token = "0x600B428")]
		[Address(RVA = "0x3F6E20", Offset = "0x3F5C20", VA = "0x1803F6E20", Slot = "17")]
		public virtual IBlockCipher GetUnderlyingCipher()
		{
			return this.cipher;
		}

		// Token: 0x0600B429 RID: 46121 RVA: 0x002734F0 File Offset: 0x002716F0
		[Token(Token = "0x600B429")]
		[Address(RVA = "0x1C1C440", Offset = "0x1C1B240", VA = "0x181C1C440", Slot = "18")]
		public virtual void Init(bool forEncryption, ICipherParameters parameters)
		{
			/*
An exception occurred when decompiling this method (0600B429)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes.CcmBlockCipher::Init(System.Boolean,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_78:
	stloc:ArgumentException(var_11_82, newobj:ArgumentException(ArgumentException::.ctor, ldstr:string("invalid parameters passed to CCM")))
}

   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: 0x17001C77 RID: 7287
		// (get) Token: 0x0600B42A RID: 46122 RVA: 0x00273580 File Offset: 0x00271780
		[Token(Token = "0x17001C77")]
		public virtual string AlgorithmName
		{
			[Token(Token = "0x600B42A")]
			[Address(RVA = "0x1C1D330", Offset = "0x1C1C130", VA = "0x181C1D330", Slot = "19")]
			get
			{
				IBlockCipher blockCipher = this.cipher;
				return 0 + "/CCM";
			}
		}

		// Token: 0x0600B42B RID: 46123 RVA: 0x002735A8 File Offset: 0x002717A8
		[Token(Token = "0x600B42B")]
		[Address(RVA = "0x1C1C2C0", Offset = "0x1C1B0C0", VA = "0x181C1C2C0", Slot = "20")]
		public virtual int GetBlockSize()
		{
			IBlockCipher blockCipher = this.cipher;
			throw new NullReferenceException();
		}

		// Token: 0x0600B42C RID: 46124 RVA: 0x002735C4 File Offset: 0x002717C4
		[Token(Token = "0x600B42C")]
		[Address(RVA = "0x1C1C6D0", Offset = "0x1C1B4D0", VA = "0x181C1C6D0", Slot = "21")]
		public virtual void ProcessAadByte(byte input)
		{
			((IDisposable)this.associatedText).Dispose();
		}

		// Token: 0x0600B42D RID: 46125 RVA: 0x002735E4 File Offset: 0x002717E4
		[Token(Token = "0x600B42D")]
		[Address(RVA = "0x1C1C700", Offset = "0x1C1B500", VA = "0x181C1C700", Slot = "22")]
		public virtual void ProcessAadBytes(byte[] inBytes, int inOff, int len)
		{
			int num = this.associatedText.Read(inBytes, inOff, len);
		}

		// Token: 0x0600B42E RID: 46126 RVA: 0x00273608 File Offset: 0x00271808
		[Token(Token = "0x600B42E")]
		[Address(RVA = "0x1C1C730", Offset = "0x1C1B530", VA = "0x181C1C730", Slot = "23")]
		public virtual int ProcessByte(byte input, byte[] outBytes, int outOff)
		{
			MemoryStream memoryStream = this.data;
			return 0;
		}

		// Token: 0x0600B42F RID: 46127 RVA: 0x00273624 File Offset: 0x00271824
		[Token(Token = "0x600B42F")]
		[Address(RVA = "0x1C1C760", Offset = "0x1C1B560", VA = "0x181C1C760", Slot = "24")]
		public virtual int ProcessBytes(byte[] inBytes, int inOff, int inLen, byte[] outBytes, int outOff)
		{
			Check.DataLength(inBytes, inOff, inOff, "Input buffer too short");
			int num = this.data.ReadByte();
			return 0;
		}

		// Token: 0x0600B430 RID: 46128 RVA: 0x00273654 File Offset: 0x00271854
		[Token(Token = "0x600B430")]
		[Address(RVA = "0x1C1C1B0", Offset = "0x1C1AFB0", VA = "0x181C1C1B0", Slot = "25")]
		public virtual int DoFinal(byte[] outBytes, int outOff)
		{
			MemoryStream memoryStream = this.data;
			long length = this.data.Length;
			throw new NullReferenceException();
		}

		// Token: 0x0600B431 RID: 46129 RVA: 0x0027367C File Offset: 0x0027187C
		[Token(Token = "0x600B431")]
		[Address(RVA = "0x1C1D0E0", Offset = "0x1C1BEE0", VA = "0x181C1D0E0", Slot = "26")]
		public virtual void Reset()
		{
			IBlockCipher blockCipher = this.cipher;
			MemoryStream memoryStream = this.associatedText;
			((IDisposable)this.data).Dispose();
		}

		// Token: 0x0600B432 RID: 46130 RVA: 0x002736A8 File Offset: 0x002718A8
		[Token(Token = "0x600B432")]
		[Address(RVA = "0x1C1C310", Offset = "0x1C1B110", VA = "0x181C1C310", Slot = "27")]
		public virtual byte[] GetMac()
		{
			byte[] array = this.macBlock;
			int num = this.macSize;
			int num2 = 0;
			return Arrays.CopyOfRange(array, num2, num);
		}

		// Token: 0x0600B433 RID: 46131 RVA: 0x002736D0 File Offset: 0x002718D0
		[Token(Token = "0x600B433")]
		[Address(RVA = "0x43E630", Offset = "0x43D430", VA = "0x18043E630", Slot = "28")]
		public virtual int GetUpdateOutputSize(int len)
		{
			return 0;
		}

		// Token: 0x0600B434 RID: 46132 RVA: 0x002736E0 File Offset: 0x002718E0
		[Token(Token = "0x600B434")]
		[Address(RVA = "0x1C1C380", Offset = "0x1C1B180", VA = "0x181C1C380", Slot = "29")]
		public virtual int GetOutputSize(int len)
		{
			bool flag = this.data.CanWrite;
			int num = this.macSize;
			flag = (flag ? 1 : 0) + len != 0;
			if (!this.forEncryption)
			{
				if ((flag ? 1 : 0) < num)
				{
					return 0;
				}
				flag = (flag ? 1 : 0) - num != 0;
			}
			flag = (flag ? 1 : 0) + num != 0;
			throw new NullReferenceException();
		}

		// Token: 0x0600B435 RID: 46133 RVA: 0x00273720 File Offset: 0x00271920
		[Token(Token = "0x600B435")]
		[Address(RVA = "0x1C1CFF0", Offset = "0x1C1BDF0", VA = "0x181C1CFF0", Slot = "30")]
		public virtual byte[] ProcessPacket(byte[] input, int inOff, int inLen)
		{
			int num = this.macSize;
			if (!this.forEncryption)
			{
			}
			byte[] array = new byte[input];
			byte[] array2 = this.ProcessPacket(input, inOff, inLen);
			return array;
		}

		// Token: 0x0600B436 RID: 46134 RVA: 0x0027375C File Offset: 0x0027195C
		[Token(Token = "0x600B436")]
		[Address(RVA = "0x1C1C800", Offset = "0x1C1B600", VA = "0x181C1C800", Slot = "31")]
		public virtual int ProcessPacket(byte[] input, int inOff, int inLen, byte[] output, int outOff)
		{
			/*
An exception occurred when decompiling this method (0600B436)

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)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_11D:
	stloc:InvalidCipherTextException(var_24_127, newobj:InvalidCipherTextException(InvalidCipherTextException::.ctor, ldstr:string("mac check in CCM failed")))
}

   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: 0x0600B437 RID: 46135 RVA: 0x00273894 File Offset: 0x00271A94
		[Token(Token = "0x600B437")]
		[Address(RVA = "0x1C1BCA0", Offset = "0x1C1AAA0", VA = "0x181C1BCA0")]
		private int CalculateMac(byte[] data, int dataOff, int dataLen, byte[] macBlock)
		{
			int num;
			CbcBlockCipherMac cbcBlockCipherMac = new CbcBlockCipherMac(this.cipher, dataOff, num);
			num = 0;
			byte[] array = new byte[16];
			bool flag = this.associatedText.CanWrite;
			byte[] array2 = this.initialAssociatedText;
			if (array2 == 0)
			{
			}
			int length = array2.Length;
			flag = (flag ? 1 : 0) + length != 0;
			if (flag > false)
			{
			}
			uint num2;
			flag = (flag ? 1U : 0U) - num2 != 0U;
			flag = flag - typeof(IMac).TypeHandle != null;
			array[0] = (flag ? 1 : 0);
			byte[] array3 = this.nonce;
			uint num3;
			array[0] = (byte)num3;
			byte[] array4 = this.nonce;
			int length2 = array4.Length;
			int num4 = 0;
			uint num5;
			Array.Copy(array4, num4, array, (int)num5, length2);
			if (dataLen > 0)
			{
				int num6 = array.Length;
				num6 -= (int)num5;
				num5 += (uint)1;
			}
			int length3 = array.Length;
			bool flag2 = this.associatedText.CanWrite;
			byte[] array5 = this.initialAssociatedText;
			int num7 = 0;
			if (array5 == 0)
			{
			}
			flag2 = (flag2 ? 1 : 0) + num7 != 0;
			if (flag2 > false)
			{
				bool canWrite = this.associatedText.CanWrite;
				if (this.initialAssociatedText == 0)
				{
				}
				byte[] array6 = this.initialAssociatedText;
				if (array6 != 0)
				{
					int length4 = array6.Length;
				}
				long length5 = this.associatedText.Length;
				MemoryStream memoryStream = this.associatedText;
				MemoryStream memoryStream2 = this.associatedText;
				long length6 = memoryStream2.Length;
				int num8 = 0;
				if (memoryStream2 < 0)
				{
				}
				uint num9;
				if (length6 < (long)num9)
				{
					num9 = (uint)((long)num9 - length6);
					if (num8 < cbcBlockCipherMac)
					{
						num8 += num8;
						num8++;
					}
					while (num8 != cbcBlockCipherMac)
					{
					}
				}
			}
			int num10 = 0;
			num10 += 3;
			num10 += 19;
			throw new NullReferenceException();
		}

		// Token: 0x0600B438 RID: 46136 RVA: 0x00273A24 File Offset: 0x00271C24
		[Token(Token = "0x600B438")]
		[Address(RVA = "0x1C1C270", Offset = "0x1C1B070", VA = "0x181C1C270")]
		private int GetAssociatedTextLength()
		{
			bool flag = this.associatedText.CanWrite;
			byte[] array = this.initialAssociatedText;
			if (array == 0)
			{
				flag = flag + array != null;
			}
			int length = array.Length;
			flag = (flag ? 1 : 0) + length != 0;
			throw new NullReferenceException();
		}

		// Token: 0x0600B439 RID: 46137 RVA: 0x00273A5C File Offset: 0x00271C5C
		[Token(Token = "0x600B439")]
		[Address(RVA = "0x1C1C3F0", Offset = "0x1C1B1F0", VA = "0x181C1C3F0")]
		private bool HasAssociatedText()
		{
			bool flag = this.associatedText.CanWrite;
			byte[] array = this.initialAssociatedText;
			if (array == 0)
			{
				flag = flag + array != null;
				return flag > false;
			}
			int length = array.Length;
			flag = (flag ? 1 : 0) + length != 0;
			return flag > false;
		}

		// Token: 0x04007254 RID: 29268
		[Token(Token = "0x4007254")]
		private static readonly int BlockSize;

		// Token: 0x04007255 RID: 29269
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4007255")]
		private readonly IBlockCipher cipher;

		// Token: 0x04007256 RID: 29270
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4007256")]
		private readonly byte[] macBlock;

		// Token: 0x04007257 RID: 29271
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4007257")]
		private bool forEncryption;

		// Token: 0x04007258 RID: 29272
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4007258")]
		private byte[] nonce;

		// Token: 0x04007259 RID: 29273
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4007259")]
		private byte[] initialAssociatedText;

		// Token: 0x0400725A RID: 29274
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x400725A")]
		private int macSize;

		// Token: 0x0400725B RID: 29275
		[FieldOffset(Offset = "0x40")]
		[Token(Token = "0x400725B")]
		private ICipherParameters keyParam;

		// Token: 0x0400725C RID: 29276
		[FieldOffset(Offset = "0x48")]
		[Token(Token = "0x400725C")]
		private readonly MemoryStream associatedText;

		// Token: 0x0400725D RID: 29277
		[FieldOffset(Offset = "0x50")]
		[Token(Token = "0x400725D")]
		private readonly MemoryStream data;
	}
}