using System;
using System.Runtime.InteropServices;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines
{
	// Token: 0x020016C2 RID: 5826
	[Token(Token = "0x20016C2")]
	[StructLayout(3)]
	public class RC564Engine : IBlockCipher
	{
		// Token: 0x06009C5E RID: 40030 RVA: 0x00237454 File Offset: 0x00235654
		[Token(Token = "0x6009C5E")]
		[Address(RVA = "0x212C840", Offset = "0x212B240", VA = "0x18212C840")]
		public RC564Engine()
		{
			this.Reset();
			this._noRounds = (int)((ulong)12L);
		}

		// Token: 0x170018E0 RID: 6368
		// (get) Token: 0x06009C5F RID: 40031 RVA: 0x00237474 File Offset: 0x00235674
		[Token(Token = "0x170018E0")]
		public virtual string AlgorithmName
		{
			[Token(Token = "0x6009C5F")]
			[Address(RVA = "0x212D8E0", Offset = "0x212C2E0", VA = "0x18212D8E0", Slot = "10")]
			get
			{
				return "RC5-64";
			}
		}

		// Token: 0x170018E1 RID: 6369
		// (get) Token: 0x06009C60 RID: 40032 RVA: 0x00237488 File Offset: 0x00235688
		[Token(Token = "0x170018E1")]
		public virtual bool IsPartialBlockOkay
		{
			[Token(Token = "0x6009C60")]
			[Address(RVA = "0x413970", Offset = "0x412370", VA = "0x180413970", Slot = "11")]
			get
			{
			}
		}

		// Token: 0x06009C61 RID: 40033 RVA: 0x00237498 File Offset: 0x00235698
		[Token(Token = "0x6009C61")]
		[Address(RVA = "0x212CFC0", Offset = "0x212B9C0", VA = "0x18212CFC0", Slot = "12")]
		public virtual int GetBlockSize()
		{
			int num = RC564Engine.bytesPerWord;
			return num + num;
		}

		// Token: 0x06009C62 RID: 40034 RVA: 0x002374B0 File Offset: 0x002356B0
		[Token(Token = "0x6009C62")]
		[Address(RVA = "0x212D020", Offset = "0x212BA20", VA = "0x18212D020", Slot = "13")]
		public virtual void Init(bool forEncryption, ICipherParameters parameters)
		{
			/*
An exception occurred when decompiling this method (06009C62)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.RC564Engine::Init(System.Boolean,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_35:
	stloc:ArgumentException(var_5_46, newobj:ArgumentException(ArgumentException::.ctor, call:string(string::Concat, ldstr:string("invalid parameter passed to RC564 init - "), ldloc:string(var_4))))
}

   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: 0x06009C63 RID: 40035 RVA: 0x00237504 File Offset: 0x00235704
		[Token(Token = "0x6009C63")]
		[Address(RVA = "0x212D1B0", Offset = "0x212BBB0", VA = "0x18212D1B0", Slot = "14")]
		public virtual int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
		{
			if (this.forEncryption)
			{
				int num;
				return num;
			}
			int num2;
			return num2;
		}

		// Token: 0x06009C64 RID: 40036 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x6009C64")]
		[Address(RVA = "0x3C9F60", Offset = "0x3C8960", VA = "0x1803C9F60", Slot = "15")]
		public virtual void Reset()
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x06009C65 RID: 40037 RVA: 0x00237520 File Offset: 0x00235720
		[Token(Token = "0x6009C65")]
		[Address(RVA = "0x212D300", Offset = "0x212BD00", VA = "0x18212D300")]
		private void SetKey(byte[] key)
		{
			int num = RC564Engine.bytesPerWord;
			int num2 = key.Length;
			num2 += num;
			long[] array = new long[num2];
			int num3 = 0;
			if (num3 != key.Length)
			{
				num3++;
			}
			long[] array2 = new long[this._noRounds];
			this._S = array2;
			long p = RC564Engine.P64;
			array2[0] = p;
			long[] s = this._S;
			uint num4;
			long[] s2;
			if (num4 < (uint)s.Length)
			{
				int length = s.Length;
				uint num5 = num4 - 1U;
				long num6 = s[(int)num5];
				int length2 = s.Length;
				num4 += (uint)1;
				long num7 = RC564Engine.Q64;
				num7 += num6;
				s[0] = num7;
				s2 = this._S;
			}
			int length3 = s2.Length;
			if (array.Length > length3)
			{
			}
			if (s2 > 0)
			{
				long num8 = s2[num3];
				num8 += (long)num3;
				num8 += (long)num3;
				int num9 = RC564Engine.wordSize;
				int num10 = num9 - 1;
				num9 -= num10;
				s2[0] = num8;
				long num11 = array[num3];
				num11 += num8;
				num11 += (long)num3;
				int num12 = RC564Engine.wordSize;
				int num13 = num12 - 1;
				num12 -= num13;
				array[0] = num11;
				num3++;
			}
		}

		// Token: 0x06009C66 RID: 40038 RVA: 0x0023766C File Offset: 0x0023586C
		[Token(Token = "0x6009C66")]
		[Address(RVA = "0x212CC40", Offset = "0x212B640", VA = "0x18212CC40")]
		private int EncryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
		{
			long num = this.BytesToWord(input, inOff);
			long num2 = this._S[0];
			num2 += num;
			int num3 = RC564Engine.bytesPerWord;
			num3 += inOff;
			long num4 = this.BytesToWord(input, num3);
			long num5 = this._S[1];
			num5 += num4;
			uint num7;
			uint num6 = num7 + 1U;
			long[] s = this._S;
			int num8 = RC564Engine.wordSize;
			int num9 = num8 - 1;
			num8 -= num9;
			long[] s2 = this._S;
			uint num10 = num6 + 1U;
			num7 += (uint)1;
			num6 += (uint)2;
			int num11 = RC564Engine.wordSize;
			int num12 = num11 - 1;
			num11 -= num12;
			while (num7 <= (uint)this._noRounds)
			{
			}
			int num13 = 0;
			int num14 = RC564Engine.bytesPerWord;
			if (num13 < num14)
			{
				num13++;
			}
			return 0;
		}

		// Token: 0x06009C67 RID: 40039 RVA: 0x00237740 File Offset: 0x00235940
		[Token(Token = "0x6009C67")]
		[Address(RVA = "0x212C950", Offset = "0x212B350", VA = "0x18212C950")]
		private int DecryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
		{
			long num = this.BytesToWord(input, inOff);
			int num2 = RC564Engine.bytesPerWord;
			num2 += inOff;
			long num3 = this.BytesToWord(input, num2);
			int i = this._noRounds;
			long[] s = this._S;
			int num4 = RC564Engine.wordSize;
			int num5 = num4 - 1;
			num4 -= num5;
			long[] s2 = this._S;
			int num6 = RC564Engine.wordSize;
			int num7 = num6 - 1;
			num6 -= num7;
			while (i >= 1)
			{
			}
			long[] s3 = this._S;
			long num8 = this._S[1];
			num3 -= num8;
			num = num3;
			int num9 = RC564Engine.bytesPerWord;
			this.WordToBytes(num, outBytes, num9);
			int num10 = RC564Engine.bytesPerWord;
			return num10 + num10;
		}

		// Token: 0x06009C68 RID: 40040 RVA: 0x002377FC File Offset: 0x002359FC
		[Token(Token = "0x6009C68")]
		[Address(RVA = "0x212D1E0", Offset = "0x212BBE0", VA = "0x18212D1E0")]
		private long RotateLeft(long x, long y)
		{
			int num = RC564Engine.wordSize;
			int num2 = num - 1;
			num -= num2;
			return x;
		}

		// Token: 0x06009C69 RID: 40041 RVA: 0x0023781C File Offset: 0x00235A1C
		[Token(Token = "0x6009C69")]
		[Address(RVA = "0x212D270", Offset = "0x212BC70", VA = "0x18212D270")]
		private long RotateRight(long x, long y)
		{
			int num = RC564Engine.wordSize;
			int num2 = num - 1;
			num -= num2;
			return x;
		}

		// Token: 0x06009C6A RID: 40042 RVA: 0x0023783C File Offset: 0x00235A3C
		[Token(Token = "0x6009C6A")]
		[Address(RVA = "0x212C890", Offset = "0x212B290", VA = "0x18212C890")]
		private long BytesToWord(byte[] src, int srcOff)
		{
			int num = 0;
			byte b = src[src];
			num += (int)b;
			throw new NullReferenceException();
		}

		// Token: 0x06009C6B RID: 40043 RVA: 0x0023785C File Offset: 0x00235A5C
		[Token(Token = "0x6009C6B")]
		[Address(RVA = "0x212D790", Offset = "0x212C190", VA = "0x18212D790")]
		private void WordToBytes(long word, byte[] dst, int dstOff)
		{
		}

		// Token: 0x06009C6C RID: 40044 RVA: 0x00237870 File Offset: 0x00235A70
		// Note: this type is marked as 'beforefieldinit'.
		[Token(Token = "0x6009C6C")]
		[Address(RVA = "0x212D850", Offset = "0x212C250", VA = "0x18212D850")]
		static RC564Engine()
		{
			ulong num;
			RC564Engine.P64 = (long)num;
			ulong num2;
			RC564Engine.Q64 = (long)num2;
		}

		// Token: 0x0400668C RID: 26252
		[Token(Token = "0x400668C")]
		private static readonly int wordSize;

		// Token: 0x0400668D RID: 26253
		[Token(Token = "0x400668D")]
		private static readonly int bytesPerWord = RC564Engine.wordSize;

		// Token: 0x0400668E RID: 26254
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400668E")]
		private int _noRounds;

		// Token: 0x0400668F RID: 26255
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400668F")]
		private long[] _S;

		// Token: 0x04006690 RID: 26256
		[Token(Token = "0x4006690")]
		private static readonly long P64;

		// Token: 0x04006691 RID: 26257
		[Token(Token = "0x4006691")]
		private static readonly long Q64;

		// Token: 0x04006692 RID: 26258
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4006692")]
		private bool forEncryption;
	}
}