using System;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines
{
	// Token: 0x02001D80 RID: 7552
	[Token(Token = "0x2001D80")]
	public class RC6Engine : IBlockCipher
	{
		// Token: 0x0600BC15 RID: 48149 RVA: 0x00298120 File Offset: 0x00296320
		[Token(Token = "0x600BC15")]
		[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
		public RC6Engine()
		{
			this.Reset();
		}

		// Token: 0x17001D80 RID: 7552
		// (get) Token: 0x0600BC16 RID: 48150 RVA: 0x00298134 File Offset: 0x00296334
		[Token(Token = "0x17001D80")]
		public virtual string AlgorithmName
		{
			[Token(Token = "0x600BC16")]
			[Address(RVA = "0x2731D20", Offset = "0x2730D20", VA = "0x182731D20", Slot = "10")]
			get
			{
				return "RC6";
			}
		}

		// Token: 0x17001D81 RID: 7553
		// (get) Token: 0x0600BC17 RID: 48151 RVA: 0x00298148 File Offset: 0x00296348
		[Token(Token = "0x17001D81")]
		public virtual bool IsPartialBlockOkay
		{
			[Token(Token = "0x600BC17")]
			[Address(RVA = "0x424690", Offset = "0x423690", VA = "0x180424690", Slot = "11")]
			get
			{
			}
		}

		// Token: 0x0600BC18 RID: 48152 RVA: 0x00298158 File Offset: 0x00296358
		[Token(Token = "0x600BC18")]
		[Address(RVA = "0x2731360", Offset = "0x2730360", VA = "0x182731360", Slot = "12")]
		public virtual int GetBlockSize()
		{
			return RC6Engine.bytesPerWord;
		}

		// Token: 0x0600BC19 RID: 48153 RVA: 0x0029816C File Offset: 0x0029636C
		[Token(Token = "0x600BC19")]
		[Address(RVA = "0x27313C0", Offset = "0x27303C0", VA = "0x1827313C0", Slot = "13")]
		public virtual void Init(bool forEncryption, ICipherParameters parameters)
		{
			/*
An exception occurred when decompiling this method (0600BC19)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.RC6Engine::Init(System.Boolean,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_1F:
	stloc:ArgumentException(var_4_2F, newobj:ArgumentException(ArgumentException::.ctor, call:string(string::Concat, ldstr:string("invalid parameter passed to RC6 init - "), ldloc:string(var_3))))
}

   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: 0x0600BC1A RID: 48154 RVA: 0x002981AC File Offset: 0x002963AC
		[Token(Token = "0x600BC1A")]
		[Address(RVA = "0x2731520", Offset = "0x2730520", VA = "0x182731520", Slot = "14")]
		public virtual int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
		{
			/*
An exception occurred when decompiling this method (0600BC1A)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int32 BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.RC6Engine::ProcessBlock(System.Byte[],System.Int32,System.Byte[],System.Int32)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_2C:
	stloc:InvalidOperationException(var_4_36, newobj:InvalidOperationException(InvalidOperationException::.ctor, ldstr:string("RC6 engine not initialised")))
}

   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: 0x0600BC1B RID: 48155 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x600BC1B")]
		[Address(RVA = "0x4242D0", Offset = "0x4232D0", VA = "0x1804242D0", Slot = "15")]
		public virtual void Reset()
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x0600BC1C RID: 48156 RVA: 0x002981F0 File Offset: 0x002963F0
		[Token(Token = "0x600BC1C")]
		[Address(RVA = "0x2731730", Offset = "0x2730730", VA = "0x182731730")]
		private void SetKey(byte[] key)
		{
			int num = RC6Engine.bytesPerWord;
			int num2 = key.Length;
			num2 += num;
			int[] array = new int[num2];
			num2 = key.Length;
			int num3 = array[num2];
			byte b = (byte)((int)b + num3);
			array[0] = (int)b;
			int[] array2 = new int[RC6Engine._noRounds];
			this._S = array2;
			int p = RC6Engine.P32;
			array2[0] = p;
			int[] s = this._S;
			uint num4;
			int[] s2;
			if (num4 < (uint)s.Length)
			{
				int length = s.Length;
				uint num5 = num4 - 1U;
				int num6 = s[(int)num5];
				int length2 = s.Length;
				num4 += (uint)1;
				int num7 = RC6Engine.Q32;
				num7 += num6;
				s[0] = num7;
				s2 = this._S;
			}
			int length3 = s2.Length;
			if (array.Length > length3)
			{
			}
			int num8 = 0;
			if (s2 > 0)
			{
				int num9 = s2[num8];
				num9 += num8;
				num9 += num8;
				int num10 = RC6Engine.wordSize;
				int num11 = num10 - 1;
				num10 -= num11;
				s2[0] = num9;
				int num12 = array[num8];
				num12 += num9;
				num12 += num8;
				int num13 = RC6Engine.wordSize;
				int num14 = num13 - 1;
				num13 -= num14;
				array[0] = num12;
				num8++;
			}
		}

		// Token: 0x0600BC1D RID: 48157 RVA: 0x00298350 File Offset: 0x00296550
		[Token(Token = "0x600BC1D")]
		[Address(RVA = "0x2730C50", Offset = "0x272FC50", VA = "0x182730C50")]
		private int EncryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
		{
			int num = this.BytesToWord(input, inOff);
			int num2 = RC6Engine.bytesPerWord;
			num2 += inOff;
			int num3 = this.BytesToWord(input, num2);
			int num4 = this.BytesToWord(input, num2);
			int num5 = RC6Engine.bytesPerWord;
			num5 += typeof(RC6Engine).TypeHandle;
			int num6 = this.BytesToWord(input, num5);
			int length = this._S.Length;
			int num7 = RC6Engine.wordSize;
			int num8 = num7 - 1;
			num7 -= num8;
			int num9 = RC6Engine.wordSize;
			int num10 = num9 - 1;
			num9 -= num10;
			int[] s = this._S;
			int num11 = RC6Engine.wordSize;
			int num12 = num11 - 1;
			num11 -= num12;
			ulong num14;
			ulong num13 = num14 + 1UL;
			int num15 = RC6Engine.wordSize;
			int num16 = num15 - 1;
			num15 -= num16;
			uint num17;
			num17 += (uint)1;
			int num18 = RC6Engine._noRounds;
			num18 += num18;
			num18 += 3;
			num3 += num16;
			int num19 = RC6Engine.bytesPerWord;
			int num20 = 0;
			int num21 = RC6Engine.bytesPerWord;
			if (num20 < num21)
			{
				num20++;
			}
			int num22 = RC6Engine.bytesPerWord;
			if (num20 < num22)
			{
				num20++;
			}
			int num23 = RC6Engine.bytesPerWord;
			if (num20 < num23)
			{
				num20++;
			}
			return 0;
		}

		// Token: 0x0600BC1E RID: 48158 RVA: 0x00298488 File Offset: 0x00296688
		[Token(Token = "0x600BC1E")]
		[Address(RVA = "0x2730880", Offset = "0x272F880", VA = "0x182730880")]
		private int DecryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
		{
			int num = this.BytesToWord(input, inOff);
			int num2 = RC6Engine.bytesPerWord;
			num2 += inOff;
			int num3 = this.BytesToWord(input, num2);
			int num4 = this.BytesToWord(input, num2);
			int num5 = RC6Engine.bytesPerWord;
			num5 += typeof(RC6Engine).TypeHandle;
			int num6 = this.BytesToWord(input, num5);
			int length = this._S.Length;
			int noRounds = RC6Engine._noRounds;
			num6 = num4;
			int num7 = num4 * num;
			int lgw = RC6Engine.LGW;
			num7 = this.RotateLeft(num7, lgw);
			int num8 = RC6Engine.LGW;
			int[] s = this._S;
			int num9 = inOff + 1;
			num8 = num7;
			num7 = this.RotateRight(num3, num8);
			int[] s2 = this._S;
			num3 = num6;
			int num10;
			num = this.RotateRight(num3, num10);
			int[] s3 = this._S;
			int num11 = s3[0];
			num -= num11;
			int num12 = RC6Engine.bytesPerWord;
			int num13 = RC6Engine.bytesPerWord;
			num13 += typeof(RC6Engine).TypeHandle;
			return RC6Engine.bytesPerWord;
		}

		// Token: 0x0600BC1F RID: 48159 RVA: 0x0029858C File Offset: 0x0029678C
		[Token(Token = "0x600BC1F")]
		[Address(RVA = "0x2731630", Offset = "0x2730630", VA = "0x182731630")]
		private int RotateLeft(int x, int y)
		{
			int num = RC6Engine.wordSize;
			int num2 = num - 1;
			num -= num2;
			return x;
		}

		// Token: 0x0600BC20 RID: 48160 RVA: 0x002985AC File Offset: 0x002967AC
		[Token(Token = "0x600BC20")]
		[Address(RVA = "0x27316B0", Offset = "0x27306B0", VA = "0x1827316B0")]
		private int RotateRight(int x, int y)
		{
			int num = RC6Engine.wordSize;
			int num2 = num - 1;
			num -= num2;
			return x;
		}

		// Token: 0x0600BC21 RID: 48161 RVA: 0x002985CC File Offset: 0x002967CC
		[Token(Token = "0x600BC21")]
		[Address(RVA = "0x27307C0", Offset = "0x272F7C0", VA = "0x1827307C0")]
		private int BytesToWord(byte[] src, int srcOff)
		{
			int num = 0;
			byte b = src[src];
			return num + (int)b;
		}

		// Token: 0x0600BC22 RID: 48162 RVA: 0x002985F0 File Offset: 0x002967F0
		[Token(Token = "0x600BC22")]
		[Address(RVA = "0x2731BB0", Offset = "0x2730BB0", VA = "0x182731BB0")]
		private void WordToBytes(int word, byte[] dst, int dstOff)
		{
		}

		// Token: 0x0400768F RID: 30351
		[Token(Token = "0x400768F")]
		private static readonly int wordSize;

		// Token: 0x04007690 RID: 30352
		[Token(Token = "0x4007690")]
		private static readonly int bytesPerWord = RC6Engine.wordSize;

		// Token: 0x04007691 RID: 30353
		[Token(Token = "0x4007691")]
		private static readonly int _noRounds;

		// Token: 0x04007692 RID: 30354
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4007692")]
		private int[] _S;

		// Token: 0x04007693 RID: 30355
		[Token(Token = "0x4007693")]
		private static readonly int P32;

		// Token: 0x04007694 RID: 30356
		[Token(Token = "0x4007694")]
		private static readonly int Q32;

		// Token: 0x04007695 RID: 30357
		[Token(Token = "0x4007695")]
		private static readonly int LGW;

		// Token: 0x04007696 RID: 30358
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4007696")]
		private bool forEncryption;
	}
}