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: 0x02001D13 RID: 7443
	[Token(Token = "0x2001D13")]
	public class CcmBlockCipher : IAeadBlockCipher
	{
		// Token: 0x0600B7F5 RID: 47093 RVA: 0x0027C678 File Offset: 0x0027A878
		[Token(Token = "0x600B7F5")]
		[Address(RVA = "0x25B4140", Offset = "0x25B3140", VA = "0x1825B4140")]
		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: 0x0600B7F6 RID: 47094 RVA: 0x0027C6D4 File Offset: 0x0027A8D4
		[Token(Token = "0x600B7F6")]
		[Address(RVA = "0x411530", Offset = "0x410530", VA = "0x180411530", Slot = "17")]
		public virtual IBlockCipher GetUnderlyingCipher()
		{
			return this.cipher;
		}

		// Token: 0x0600B7F7 RID: 47095 RVA: 0x0027C6E8 File Offset: 0x0027A8E8
		[Token(Token = "0x600B7F7")]
		[Address(RVA = "0x25B33E0", Offset = "0x25B23E0", VA = "0x1825B33E0", Slot = "18")]
		public virtual void Init(bool forEncryption, ICipherParameters parameters)
		{
			/*
An exception occurred when decompiling this method (0600B7F7)

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: 0x17001D14 RID: 7444
		// (get) Token: 0x0600B7F8 RID: 47096 RVA: 0x0027C778 File Offset: 0x0027A978
		[Token(Token = "0x17001D14")]
		public virtual string AlgorithmName
		{
			[Token(Token = "0x600B7F8")]
			[Address(RVA = "0x25B42D0", Offset = "0x25B32D0", VA = "0x1825B42D0", Slot = "19")]
			get
			{
				IBlockCipher blockCipher = this.cipher;
				return 0 + "/CCM";
			}
		}

		// Token: 0x0600B7F9 RID: 47097 RVA: 0x0027C7A0 File Offset: 0x0027A9A0
		[Token(Token = "0x600B7F9")]
		[Address(RVA = "0x25B3260", Offset = "0x25B2260", VA = "0x1825B3260", Slot = "20")]
		public virtual int GetBlockSize()
		{
			IBlockCipher blockCipher = this.cipher;
			throw new NullReferenceException();
		}

		// Token: 0x0600B7FA RID: 47098 RVA: 0x0027C7BC File Offset: 0x0027A9BC
		[Token(Token = "0x600B7FA")]
		[Address(RVA = "0x25B3670", Offset = "0x25B2670", VA = "0x1825B3670", Slot = "21")]
		public virtual void ProcessAadByte(byte input)
		{
			((IDisposable)this.associatedText).Dispose();
		}

		// Token: 0x0600B7FB RID: 47099 RVA: 0x0027C7DC File Offset: 0x0027A9DC
		[Token(Token = "0x600B7FB")]
		[Address(RVA = "0x25B36A0", Offset = "0x25B26A0", VA = "0x1825B36A0", Slot = "22")]
		public virtual void ProcessAadBytes(byte[] inBytes, int inOff, int len)
		{
			int num = this.associatedText.Read(inBytes, inOff, len);
		}

		// Token: 0x0600B7FC RID: 47100 RVA: 0x0027C800 File Offset: 0x0027AA00
		[Token(Token = "0x600B7FC")]
		[Address(RVA = "0x25B36D0", Offset = "0x25B26D0", VA = "0x1825B36D0", Slot = "23")]
		public virtual int ProcessByte(byte input, byte[] outBytes, int outOff)
		{
			MemoryStream memoryStream = this.data;
			return 0;
		}

		// Token: 0x0600B7FD RID: 47101 RVA: 0x0027C81C File Offset: 0x0027AA1C
		[Token(Token = "0x600B7FD")]
		[Address(RVA = "0x25B3700", Offset = "0x25B2700", VA = "0x1825B3700", 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: 0x0600B7FE RID: 47102 RVA: 0x0027C84C File Offset: 0x0027AA4C
		[Token(Token = "0x600B7FE")]
		[Address(RVA = "0x25B3150", Offset = "0x25B2150", VA = "0x1825B3150", Slot = "25")]
		public virtual int DoFinal(byte[] outBytes, int outOff)
		{
			MemoryStream memoryStream = this.data;
			long length = this.data.Length;
			throw new NullReferenceException();
		}

		// Token: 0x0600B7FF RID: 47103 RVA: 0x0027C874 File Offset: 0x0027AA74
		[Token(Token = "0x600B7FF")]
		[Address(RVA = "0x25B4080", Offset = "0x25B3080", VA = "0x1825B4080", Slot = "26")]
		public virtual void Reset()
		{
			IBlockCipher blockCipher = this.cipher;
			MemoryStream memoryStream = this.associatedText;
			((IDisposable)this.data).Dispose();
		}

		// Token: 0x0600B800 RID: 47104 RVA: 0x0027C8A0 File Offset: 0x0027AAA0
		[Token(Token = "0x600B800")]
		[Address(RVA = "0x25B32B0", Offset = "0x25B22B0", VA = "0x1825B32B0", Slot = "27")]
		public virtual byte[] GetMac()
		{
			byte[] array = this.macBlock;
			int num = this.macSize;
			int num2 = 0;
			return Arrays.CopyOfRange(array, num2, num);
		}

		// Token: 0x0600B801 RID: 47105 RVA: 0x0027C8C8 File Offset: 0x0027AAC8
		[Token(Token = "0x600B801")]
		[Address(RVA = "0x4242C0", Offset = "0x4232C0", VA = "0x1804242C0", Slot = "28")]
		public virtual int GetUpdateOutputSize(int len)
		{
			return 0;
		}

		// Token: 0x0600B802 RID: 47106 RVA: 0x0027C8D8 File Offset: 0x0027AAD8
		[Token(Token = "0x600B802")]
		[Address(RVA = "0x25B3320", Offset = "0x25B2320", VA = "0x1825B3320", 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: 0x0600B803 RID: 47107 RVA: 0x0027C918 File Offset: 0x0027AB18
		[Token(Token = "0x600B803")]
		[Address(RVA = "0x25B3F90", Offset = "0x25B2F90", VA = "0x1825B3F90", 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: 0x0600B804 RID: 47108 RVA: 0x0027C954 File Offset: 0x0027AB54
		[Token(Token = "0x600B804")]
		[Address(RVA = "0x25B37A0", Offset = "0x25B27A0", VA = "0x1825B37A0", Slot = "31")]
		public virtual int ProcessPacket(byte[] input, int inOff, int inLen, byte[] output, int outOff)
		{
			/*
An exception occurred when decompiling this method (0600B804)

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: 0x0600B805 RID: 47109 RVA: 0x0027CA8C File Offset: 0x0027AC8C
		[Token(Token = "0x600B805")]
		[Address(RVA = "0x25B2C40", Offset = "0x25B1C40", VA = "0x1825B2C40")]
		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: 0x0600B806 RID: 47110 RVA: 0x0027CC1C File Offset: 0x0027AE1C
		[Token(Token = "0x600B806")]
		[Address(RVA = "0x25B3210", Offset = "0x25B2210", VA = "0x1825B3210")]
		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: 0x0600B807 RID: 47111 RVA: 0x0027CC54 File Offset: 0x0027AE54
		[Token(Token = "0x600B807")]
		[Address(RVA = "0x25B3390", Offset = "0x25B2390", VA = "0x1825B3390")]
		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: 0x0400740D RID: 29709
		[Token(Token = "0x400740D")]
		private static readonly int BlockSize;

		// Token: 0x0400740E RID: 29710
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400740E")]
		private readonly IBlockCipher cipher;

		// Token: 0x0400740F RID: 29711
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400740F")]
		private readonly byte[] macBlock;

		// Token: 0x04007410 RID: 29712
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4007410")]
		private bool forEncryption;

		// Token: 0x04007411 RID: 29713
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4007411")]
		private byte[] nonce;

		// Token: 0x04007412 RID: 29714
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4007412")]
		private byte[] initialAssociatedText;

		// Token: 0x04007413 RID: 29715
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4007413")]
		private int macSize;

		// Token: 0x04007414 RID: 29716
		[FieldOffset(Offset = "0x40")]
		[Token(Token = "0x4007414")]
		private ICipherParameters keyParam;

		// Token: 0x04007415 RID: 29717
		[FieldOffset(Offset = "0x48")]
		[Token(Token = "0x4007415")]
		private readonly MemoryStream associatedText;

		// Token: 0x04007416 RID: 29718
		[FieldOffset(Offset = "0x50")]
		[Token(Token = "0x4007416")]
		private readonly MemoryStream data;
	}
}