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

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Macs
{
	// Token: 0x0200166F RID: 5743
	[Token(Token = "0x200166F")]
	[StructLayout(3)]
	public class CfbBlockCipherMac : IMac
	{
		// Token: 0x06009962 RID: 39266 RVA: 0x00221B6C File Offset: 0x0021FD6C
		[Token(Token = "0x6009962")]
		[Address(RVA = "0x20E7770", Offset = "0x20E6170", VA = "0x1820E7770")]
		public CfbBlockCipherMac(IBlockCipher cipher)
		{
		}

		// Token: 0x06009963 RID: 39267 RVA: 0x00221B84 File Offset: 0x0021FD84
		[Token(Token = "0x6009963")]
		[Address(RVA = "0x20E77F0", Offset = "0x20E61F0", VA = "0x1820E77F0")]
		public CfbBlockCipherMac(IBlockCipher cipher, IBlockCipherPadding padding)
		{
		}

		// Token: 0x06009964 RID: 39268 RVA: 0x00221B98 File Offset: 0x0021FD98
		[Token(Token = "0x6009964")]
		[Address(RVA = "0x20E7750", Offset = "0x20E6150", VA = "0x1820E7750")]
		public CfbBlockCipherMac(IBlockCipher cipher, int cfbBitSize, int macSizeInBits)
		{
		}

		// Token: 0x06009965 RID: 39269 RVA: 0x00221BA8 File Offset: 0x0021FDA8
		[Token(Token = "0x6009965")]
		[Address(RVA = "0x20E7880", Offset = "0x20E6280", VA = "0x1820E7880")]
		public CfbBlockCipherMac(IBlockCipher cipher, int cfbBitSize, int macSizeInBits, IBlockCipherPadding padding)
		{
			/*
An exception occurred when decompiling this method (06009965)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Macs.CfbBlockCipherMac::.ctor(BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.IBlockCipher,System.Int32,System.Int32,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Paddings.IBlockCipherPadding)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_93:
	stloc:ArgumentException(var_8_9D, newobj:ArgumentException(ArgumentException::.ctor, ldstr:string("MAC size must be multiple of 8")))
}

   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.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846
   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: 0x1700188C RID: 6284
		// (get) Token: 0x06009966 RID: 39270 RVA: 0x00221C54 File Offset: 0x0021FE54
		[Token(Token = "0x1700188C")]
		public string AlgorithmName
		{
			[Token(Token = "0x6009966")]
			[Address(RVA = "0x20E7A50", Offset = "0x20E6450", VA = "0x1820E7A50", Slot = "5")]
			get
			{
				MacCFBBlockCipher macCFBBlockCipher = this.cipher;
				IBlockCipher blockCipher = macCFBBlockCipher.cipher;
				int blockSize = macCFBBlockCipher.blockSize;
				string text;
				return text;
			}
		}

		// Token: 0x06009967 RID: 39271 RVA: 0x00221C80 File Offset: 0x0021FE80
		[Token(Token = "0x6009967")]
		[Address(RVA = "0x20E75F0", Offset = "0x20E5FF0", VA = "0x1820E75F0", Slot = "4")]
		public void Init(ICipherParameters parameters)
		{
			this.Reset();
			this.cipher.Init(true, parameters);
		}

		// Token: 0x06009968 RID: 39272 RVA: 0x00221CA8 File Offset: 0x0021FEA8
		[Token(Token = "0x6009968")]
		[Address(RVA = "0x3D3FF0", Offset = "0x3D29F0", VA = "0x1803D3FF0", Slot = "6")]
		public int GetMacSize()
		{
			return this.macSize;
		}

		// Token: 0x06009969 RID: 39273 RVA: 0x00221CBC File Offset: 0x0021FEBC
		[Token(Token = "0x6009969")]
		[Address(RVA = "0x20E76C0", Offset = "0x20E60C0", VA = "0x1820E76C0", Slot = "7")]
		public void Update(byte input)
		{
			byte[] buffer = this.Buffer;
			int num = this.bufOff;
			if (num == buffer.Length)
			{
				MacCFBBlockCipher macCFBBlockCipher = this.cipher;
				byte[] array = this.mac;
				int num2 = 0;
				int num3 = 0;
				int num4 = macCFBBlockCipher.ProcessBlock(buffer, num3, array, num2);
			}
			int num5 = num + 1;
			this.bufOff = num5;
		}

		// Token: 0x0600996A RID: 39274 RVA: 0x00221D18 File Offset: 0x0021FF18
		[Token(Token = "0x600996A")]
		[Address(RVA = "0x20E7280", Offset = "0x20E5C80", VA = "0x1820E7280", Slot = "8")]
		public void BlockUpdate(byte[] input, int inOff, int len)
		{
			int num = this.cipher.blockSize;
			int num2 = 0;
			int num3 = this.bufOff;
			num -= num3;
			if (len > num)
			{
				byte[] buffer = this.Buffer;
				Array.Copy(input, inOff, buffer, num3, num);
				MacCFBBlockCipher macCFBBlockCipher = this.cipher;
				byte[] array = this.mac;
				int num4 = 0;
				byte[] buffer2 = this.Buffer;
				int num5 = macCFBBlockCipher.ProcessBlock(buffer2, num4, array, num2);
				this.bufOff = num2;
				if (len > num)
				{
					MacCFBBlockCipher macCFBBlockCipher2 = this.cipher;
					byte[] array2 = this.mac;
					int num6 = macCFBBlockCipher2.ProcessBlock(input, inOff, array2, num2);
				}
			}
			byte[] buffer3 = this.Buffer;
			Array.Copy(input, inOff, buffer3, num3, len);
		}

		// Token: 0x0600996B RID: 39275 RVA: 0x00221DC8 File Offset: 0x0021FFC8
		[Token(Token = "0x600996B")]
		[Address(RVA = "0x20E73F0", Offset = "0x20E5DF0", VA = "0x1820E73F0", Slot = "9")]
		public int DoFinal(byte[] output, int outOff)
		{
			MacCFBBlockCipher macCFBBlockCipher = this.cipher;
			IBlockCipherPadding blockCipherPadding = this.padding;
			int blockSize = macCFBBlockCipher.blockSize;
			int i = this.bufOff;
			if (blockCipherPadding != 0)
			{
				MacCFBBlockCipher macCFBBlockCipher2 = this.cipher;
				byte[] array = this.mac;
				int num = 0;
				byte[] buffer = this.Buffer;
				int num2 = 0;
				int num3 = macCFBBlockCipher2.ProcessBlock(buffer, num2, array, num);
				MacCFBBlockCipher macCFBBlockCipher3 = this.cipher;
				byte[] array2 = this.mac;
				IBlockCipher blockCipher = macCFBBlockCipher3.cipher;
				int num4 = this.macSize;
				byte[] array3 = this.mac;
				int num5 = 0;
				Array.Copy(array3, num5, output, outOff, num4);
				byte[] buffer2 = this.Buffer;
				int length = buffer2.Length;
				int num6 = 0;
				Array.Clear(buffer2, num6, length);
				MacCFBBlockCipher macCFBBlockCipher4 = this.cipher;
				this.bufOff = num;
				byte[] iv = macCFBBlockCipher4.IV;
				byte[] cfbV = macCFBBlockCipher4.cfbV;
				IBlockCipher blockCipher2 = macCFBBlockCipher4.cipher;
				return this.macSize;
			}
			while (i >= blockSize)
			{
			}
			byte[] buffer3 = this.Buffer;
			int num7 = i + 1;
			this.bufOff = num7;
			int num8 = this.bufOff;
			throw new NullReferenceException();
		}

		// Token: 0x0600996C RID: 39276 RVA: 0x00221EE0 File Offset: 0x002200E0
		[Token(Token = "0x600996C")]
		[Address(RVA = "0x20E7630", Offset = "0x20E6030", VA = "0x1820E7630", Slot = "10")]
		public void Reset()
		{
			byte[] buffer = this.Buffer;
			int length = buffer.Length;
			int num = 0;
			Array.Clear(buffer, num, length);
			this.bufOff = (int)((ulong)0L);
			MacCFBBlockCipher macCFBBlockCipher = this.cipher;
			byte[] iv = macCFBBlockCipher.IV;
			byte[] cfbV = macCFBBlockCipher.cfbV;
			IBlockCipher blockCipher = macCFBBlockCipher.cipher;
			throw new NullReferenceException();
		}

		// Token: 0x040064B7 RID: 25783
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x40064B7")]
		private byte[] mac;

		// Token: 0x040064B8 RID: 25784
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x40064B8")]
		private byte[] Buffer;

		// Token: 0x040064B9 RID: 25785
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x40064B9")]
		private int bufOff;

		// Token: 0x040064BA RID: 25786
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x40064BA")]
		private MacCFBBlockCipher cipher;

		// Token: 0x040064BB RID: 25787
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x40064BB")]
		private IBlockCipherPadding padding;

		// Token: 0x040064BC RID: 25788
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
		[Token(Token = "0x40064BC")]
		private int macSize;
	}
}