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

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Macs
{
	// Token: 0x02001677 RID: 5751
	[Token(Token = "0x2001677")]
	[StructLayout(3)]
	public class SipHash : IMac
	{
		// Token: 0x060099B9 RID: 39353 RVA: 0x00223B14 File Offset: 0x00221D14
		[Token(Token = "0x60099B9")]
		[Address(RVA = "0x2094800", Offset = "0x2093200", VA = "0x182094800")]
		public SipHash()
		{
			this.c = (int)((ulong)2L);
			this.d = (int)((ulong)4L);
		}

		// Token: 0x060099BA RID: 39354 RVA: 0x00223B3C File Offset: 0x00221D3C
		[Token(Token = "0x60099BA")]
		[Address(RVA = "0x823C30", Offset = "0x822630", VA = "0x180823C30")]
		public SipHash(int c, int d)
		{
			this.c = c;
			this.d = d;
		}

		// Token: 0x17001894 RID: 6292
		// (get) Token: 0x060099BB RID: 39355 RVA: 0x00223B60 File Offset: 0x00221D60
		[Token(Token = "0x17001894")]
		public virtual string AlgorithmName
		{
			[Token(Token = "0x60099BB")]
			[Address(RVA = "0x20F8CF0", Offset = "0x20F76F0", VA = "0x1820F8CF0", Slot = "11")]
			get
			{
				object[] array = new object[4];
				if ("SipHash-" != 0)
				{
				}
				array[0] = "SipHash-";
				int num = this.c;
				if (num != 0)
				{
				}
				array[1] = num;
				if ("-" != 0)
				{
				}
				array[2] = "-";
				int num2 = this.d;
				num = num2;
				if (num2 != 0)
				{
				}
				array[3] = num;
				return string.Concat(array);
			}
		}

		// Token: 0x060099BC RID: 39356 RVA: 0x00223BD0 File Offset: 0x00221DD0
		[Token(Token = "0x60099BC")]
		[Address(RVA = "0x56E570", Offset = "0x56CF70", VA = "0x18056E570", Slot = "12")]
		public virtual int GetMacSize()
		{
			return 8;
		}

		// Token: 0x060099BD RID: 39357 RVA: 0x00223BE0 File Offset: 0x00221DE0
		[Token(Token = "0x60099BD")]
		[Address(RVA = "0x20F8A90", Offset = "0x20F7490", VA = "0x1820F8A90", Slot = "13")]
		public virtual void Init(ICipherParameters parameters)
		{
			/*
An exception occurred when decompiling this method (060099BD)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Macs.SipHash::Init(BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_50:
	stloc:ArgumentException(var_7_5F, newobj:ArgumentException(ArgumentException::.ctor, ldstr:string("must be a 128-bit key"), ldstr:string("parameters")))
}

   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: 0x060099BE RID: 39358 RVA: 0x00223C50 File Offset: 0x00221E50
		[Token(Token = "0x60099BE")]
		[Address(RVA = "0x20F8CA0", Offset = "0x20F76A0", VA = "0x1820F8CA0", Slot = "14")]
		public virtual void Update(byte input)
		{
			int num = this.wordPos;
			num++;
			this.m = (long)input;
			this.wordPos = num;
			if (num == 8)
			{
				this.Reset();
				this.wordPos = (int)((ulong)0L);
			}
		}

		// Token: 0x060099BF RID: 39359 RVA: 0x00223C8C File Offset: 0x00221E8C
		[Token(Token = "0x60099BF")]
		[Address(RVA = "0x20F8790", Offset = "0x20F7190", VA = "0x1820F8790", Slot = "15")]
		public virtual void BlockUpdate(byte[] input, int offset, int length)
		{
			int num = this.wordPos;
			int num2 = 0;
			if (num != 0)
			{
				if (length > 0)
				{
					ulong num3 = Pack.LE_To_UInt64(input, 0);
					long num4 = this.m;
					this.m = num4;
					this.Reset();
					num2 += 8;
					this.m = (long)num3;
				}
				if (num2 >= length)
				{
					return;
				}
				int num5 = this.wordPos;
				num5++;
				byte b;
				this.m = (long)b;
				this.wordPos = num5;
				if (num5 == 8)
				{
					this.Reset();
					this.wordPos = num2;
				}
			}
			if (length > 0)
			{
				ulong num6 = Pack.LE_To_UInt64(input, 0);
				this.m = (long)num6;
				this.Reset();
				num2 += 8;
			}
			if (num2 < length)
			{
				byte b2;
				this.m = (long)b2;
			}
			this.wordPos = length;
		}

		// Token: 0x060099C0 RID: 39360 RVA: 0x00223D40 File Offset: 0x00221F40
		[Token(Token = "0x60099C0")]
		[Address(RVA = "0x20F89C0", Offset = "0x20F73C0", VA = "0x1820F89C0", Slot = "16")]
		public virtual long DoFinal()
		{
			int num = this.wordPos;
			uint num2;
			num2 -= (uint)num;
			long num3 = this.m;
			this.m = num3;
			this.Reset();
			this.ProcessMessageWord();
			return this.v3;
		}

		// Token: 0x060099C1 RID: 39361 RVA: 0x00223D78 File Offset: 0x00221F78
		[Token(Token = "0x60099C1")]
		[Address(RVA = "0x20F8970", Offset = "0x20F7370", VA = "0x1820F8970", Slot = "17")]
		public virtual int DoFinal(byte[] output, int outOff)
		{
			return 8;
		}

		// Token: 0x060099C2 RID: 39362 RVA: 0x00223D88 File Offset: 0x00221F88
		[Token(Token = "0x60099C2")]
		[Address(RVA = "0x20F8C20", Offset = "0x20F7620", VA = "0x1820F8C20", Slot = "18")]
		public virtual void Reset()
		{
			long num = this.k0;
			long num2 = this.k1;
			this.v0 = num;
			num = num2;
			this.v1 = num;
			this.v2 = num;
			int num3 = 0;
			this.v3 = num2;
			this.m = (long)num3;
			this.wordPos = num3;
		}

		// Token: 0x060099C3 RID: 39363 RVA: 0x00223DD4 File Offset: 0x00221FD4
		[Token(Token = "0x60099C3")]
		[Address(RVA = "0x20F8BE0", Offset = "0x20F75E0", VA = "0x1820F8BE0", Slot = "19")]
		protected virtual void ProcessMessageWord()
		{
			this.ProcessMessageWord();
			long num = this.m;
		}

		// Token: 0x060099C4 RID: 39364 RVA: 0x00223DF0 File Offset: 0x00221FF0
		[Token(Token = "0x60099C4")]
		[Address(RVA = "0x20F86C0", Offset = "0x20F70C0", VA = "0x1820F86C0", Slot = "20")]
		protected virtual void ApplySipRounds(int n)
		{
			long num = this.v0;
			long num2 = this.v1;
			long num3 = this.v2;
			long num4 = this.v3;
			if (n > 0)
			{
				num += num2;
				num3 += num4;
				num3 += num2;
				num = num3;
				num += num4;
				num = num3;
				num3 = num;
				while (n != 0)
				{
				}
			}
			this.v0 = num;
			this.v1 = num2;
			this.v2 = num3;
			this.v3 = num4;
		}

		// Token: 0x060099C5 RID: 39365 RVA: 0x00223E54 File Offset: 0x00222054
		[Token(Token = "0x60099C5")]
		[Address(RVA = "0x20F8C80", Offset = "0x20F7680", VA = "0x1820F8C80")]
		protected static long RotateLeft(long x, int n)
		{
			return x;
		}

		// Token: 0x040064FD RID: 25853
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x40064FD")]
		protected readonly int c;

		// Token: 0x040064FE RID: 25854
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x14")]
		[Token(Token = "0x40064FE")]
		protected readonly int d;

		// Token: 0x040064FF RID: 25855
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x40064FF")]
		protected long k0;

		// Token: 0x04006500 RID: 25856
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4006500")]
		protected long k1;

		// Token: 0x04006501 RID: 25857
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4006501")]
		protected long v0;

		// Token: 0x04006502 RID: 25858
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4006502")]
		protected long v1;

		// Token: 0x04006503 RID: 25859
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4006503")]
		protected long v2;

		// Token: 0x04006504 RID: 25860
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
		[Token(Token = "0x4006504")]
		protected long v3;

		// Token: 0x04006505 RID: 25861
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x48")]
		[Token(Token = "0x4006505")]
		protected long m;

		// Token: 0x04006506 RID: 25862
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x50")]
		[Token(Token = "0x4006506")]
		protected int wordPos;

		// Token: 0x04006507 RID: 25863
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x54")]
		[Token(Token = "0x4006507")]
		protected int wordCount;
	}
}