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

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Macs
{
	// Token: 0x02001D2C RID: 7468
	[Token(Token = "0x2001D2C")]
	public class CfbBlockCipherMac : IMac
	{
		// Token: 0x0600B90A RID: 47370 RVA: 0x00282320 File Offset: 0x00280520
		[Token(Token = "0x600B90A")]
		[Address(RVA = "0x25B4820", Offset = "0x25B3820", VA = "0x1825B4820")]
		public CfbBlockCipherMac(IBlockCipher cipher)
		{
		}

		// Token: 0x0600B90B RID: 47371 RVA: 0x00282338 File Offset: 0x00280538
		[Token(Token = "0x600B90B")]
		[Address(RVA = "0x25B48A0", Offset = "0x25B38A0", VA = "0x1825B48A0")]
		public CfbBlockCipherMac(IBlockCipher cipher, IBlockCipherPadding padding)
		{
		}

		// Token: 0x0600B90C RID: 47372 RVA: 0x0028234C File Offset: 0x0028054C
		[Token(Token = "0x600B90C")]
		[Address(RVA = "0x25B4800", Offset = "0x25B3800", VA = "0x1825B4800")]
		public CfbBlockCipherMac(IBlockCipher cipher, int cfbBitSize, int macSizeInBits)
		{
		}

		// Token: 0x0600B90D RID: 47373 RVA: 0x0028235C File Offset: 0x0028055C
		[Token(Token = "0x600B90D")]
		[Address(RVA = "0x25B4930", Offset = "0x25B3930", VA = "0x1825B4930")]
		public CfbBlockCipherMac(IBlockCipher cipher, int cfbBitSize, int macSizeInBits, IBlockCipherPadding padding)
		{
			/*
An exception occurred when decompiling this method (0600B90D)

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: 0x17001D2A RID: 7466
		// (get) Token: 0x0600B90E RID: 47374 RVA: 0x00282408 File Offset: 0x00280608
		[Token(Token = "0x17001D2A")]
		public string AlgorithmName
		{
			[Token(Token = "0x600B90E")]
			[Address(RVA = "0x25B4B00", Offset = "0x25B3B00", VA = "0x1825B4B00", Slot = "5")]
			get
			{
				MacCFBBlockCipher macCFBBlockCipher = this.cipher;
				IBlockCipher blockCipher = macCFBBlockCipher.cipher;
				int blockSize = macCFBBlockCipher.blockSize;
				string text;
				return text;
			}
		}

		// Token: 0x0600B90F RID: 47375 RVA: 0x00282434 File Offset: 0x00280634
		[Token(Token = "0x600B90F")]
		[Address(RVA = "0x25B46A0", Offset = "0x25B36A0", VA = "0x1825B46A0", Slot = "4")]
		public void Init(ICipherParameters parameters)
		{
			this.Reset();
			this.cipher.Init(true, parameters);
		}

		// Token: 0x0600B910 RID: 47376 RVA: 0x0028245C File Offset: 0x0028065C
		[Token(Token = "0x600B910")]
		[Address(RVA = "0x42B830", Offset = "0x42A830", VA = "0x18042B830", Slot = "6")]
		public int GetMacSize()
		{
			return this.macSize;
		}

		// Token: 0x0600B911 RID: 47377 RVA: 0x00282470 File Offset: 0x00280670
		[Token(Token = "0x600B911")]
		[Address(RVA = "0x25B4770", Offset = "0x25B3770", VA = "0x1825B4770", 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: 0x0600B912 RID: 47378 RVA: 0x002824CC File Offset: 0x002806CC
		[Token(Token = "0x600B912")]
		[Address(RVA = "0x25B4330", Offset = "0x25B3330", VA = "0x1825B4330", 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: 0x0600B913 RID: 47379 RVA: 0x0028257C File Offset: 0x0028077C
		[Token(Token = "0x600B913")]
		[Address(RVA = "0x25B44A0", Offset = "0x25B34A0", VA = "0x1825B44A0", 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: 0x0600B914 RID: 47380 RVA: 0x00282694 File Offset: 0x00280894
		[Token(Token = "0x600B914")]
		[Address(RVA = "0x25B46E0", Offset = "0x25B36E0", VA = "0x1825B46E0", 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: 0x040074B3 RID: 29875
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x40074B3")]
		private byte[] mac;

		// Token: 0x040074B4 RID: 29876
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x40074B4")]
		private byte[] Buffer;

		// Token: 0x040074B5 RID: 29877
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x40074B5")]
		private int bufOff;

		// Token: 0x040074B6 RID: 29878
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x40074B6")]
		private MacCFBBlockCipher cipher;

		// Token: 0x040074B7 RID: 29879
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x40074B7")]
		private IBlockCipherPadding padding;

		// Token: 0x040074B8 RID: 29880
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x40074B8")]
		private int macSize;
	}
}