using System;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes
{
	// Token: 0x02001C32 RID: 7218
	[Token(Token = "0x2001C32")]
	public sealed class CbcBlockCipher : IBlockCipher
	{
		// Token: 0x0600B41D RID: 46109 RVA: 0x00273124 File Offset: 0x00271324
		[Token(Token = "0x600B41D")]
		[Address(RVA = "0x1C1BBA0", Offset = "0x1C1A9A0", VA = "0x181C1BBA0")]
		public CbcBlockCipher(IBlockCipher cipher)
		{
			this.cipher = cipher;
			byte[] array = new byte[0];
			int num = this.blockSize;
			this.IV = array;
			byte[] array2 = new byte[num];
			int num2 = this.blockSize;
			this.cbcV = array2;
			byte[] array3 = new byte[num2];
			this.cbcNextV = array3;
		}

		// Token: 0x0600B41E RID: 46110 RVA: 0x00273180 File Offset: 0x00271380
		[Token(Token = "0x600B41E")]
		[Address(RVA = "0x3FA180", Offset = "0x3F8F80", VA = "0x1803FA180")]
		public IBlockCipher GetUnderlyingCipher()
		{
			return this.cipher;
		}

		// Token: 0x0600B41F RID: 46111 RVA: 0x00273194 File Offset: 0x00271394
		[Token(Token = "0x600B41F")]
		[Address(RVA = "0x1C1B630", Offset = "0x1C1A430", VA = "0x181C1B630", Slot = "5")]
		public void Init(bool forEncryption, ICipherParameters parameters)
		{
			/*
An exception occurred when decompiling this method (0600B41F)

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

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_C0:
	stloc:ArgumentException(var_20_CA, newobj:ArgumentException(ArgumentException::.ctor, ldstr:string("initialisation vector must be the same length as block size")))
}

   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: 0x17001C75 RID: 7285
		// (get) Token: 0x0600B420 RID: 46112 RVA: 0x0027326C File Offset: 0x0027146C
		[Token(Token = "0x17001C75")]
		public string AlgorithmName
		{
			[Token(Token = "0x600B420")]
			[Address(RVA = "0x1C1BC40", Offset = "0x1C1AA40", VA = "0x181C1BC40", Slot = "4")]
			get
			{
				IBlockCipher blockCipher = this.cipher;
				return 0 + "/CBC";
			}
		}

		// Token: 0x17001C76 RID: 7286
		// (get) Token: 0x0600B421 RID: 46113 RVA: 0x00273294 File Offset: 0x00271494
		[Token(Token = "0x17001C76")]
		public bool IsPartialBlockOkay
		{
			[Token(Token = "0x600B421")]
			[Address(RVA = "0x403930", Offset = "0x402730", VA = "0x180403930", Slot = "7")]
			get
			{
			}
		}

		// Token: 0x0600B422 RID: 46114 RVA: 0x002732A4 File Offset: 0x002714A4
		[Token(Token = "0x600B422")]
		[Address(RVA = "0x1C1B5E0", Offset = "0x1C1A3E0", VA = "0x181C1B5E0", Slot = "6")]
		public int GetBlockSize()
		{
			IBlockCipher blockCipher = this.cipher;
			throw new NullReferenceException();
		}

		// Token: 0x0600B423 RID: 46115 RVA: 0x002732C0 File Offset: 0x002714C0
		[Token(Token = "0x600B423")]
		[Address(RVA = "0x1C1B860", Offset = "0x1C1A660", VA = "0x181C1B860", Slot = "8")]
		public int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
		{
			if (this.encrypting)
			{
				int num = this.blockSize;
				int num2 = 0;
				if (num > 0)
				{
					byte[] array = this.cbcV;
					num2 += array;
					num2++;
				}
				IBlockCipher blockCipher = this.cipher;
				int length = this.cbcV.Length;
				return inOff;
			}
			int num3 = this.blockSize;
			byte[] array2 = this.cbcNextV;
			int num4 = 0;
			int num5 = 0;
			Array.Copy(input, inOff, array2, num5, num3);
			IBlockCipher blockCipher2 = this.cipher;
			if (this.blockSize > num4)
			{
				byte[] array3 = this.cbcV;
				num4++;
			}
			byte[] array4 = this.cbcNextV;
			byte[] array5 = this.cbcV;
			this.cbcV = array4;
			this.cbcNextV = array5;
			throw new NullReferenceException();
		}

		// Token: 0x0600B424 RID: 46116 RVA: 0x00273370 File Offset: 0x00271570
		[Token(Token = "0x600B424")]
		[Address(RVA = "0x1C1BB10", Offset = "0x1C1A910", VA = "0x181C1BB10", Slot = "9")]
		public void Reset()
		{
			byte[] iv = this.IV;
			int length = iv.Length;
			int num = 0;
			byte[] array = this.cbcV;
			int num2 = 0;
			Array.Copy(iv, num2, array, num, length);
			byte[] array2 = this.cbcNextV;
			int length2 = array2.Length;
			int num3 = 0;
			Array.Clear(array2, num3, length2);
			IBlockCipher blockCipher = this.cipher;
			throw new NullReferenceException();
		}

		// Token: 0x0600B425 RID: 46117 RVA: 0x002733D0 File Offset: 0x002715D0
		[Token(Token = "0x600B425")]
		[Address(RVA = "0x1C1B470", Offset = "0x1C1A270", VA = "0x181C1B470")]
		private int EncryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
		{
			int num = this.blockSize;
			int num2 = 0;
			if (num > 0)
			{
				byte[] array = this.cbcV;
				num2 += array;
				num2++;
			}
			IBlockCipher blockCipher = this.cipher;
			int length = this.cbcV.Length;
			return inOff;
		}

		// Token: 0x0600B426 RID: 46118 RVA: 0x00273414 File Offset: 0x00271614
		[Token(Token = "0x600B426")]
		[Address(RVA = "0x1C1B300", Offset = "0x1C1A100", VA = "0x181C1B300")]
		private int DecryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
		{
			int num = this.blockSize;
			byte[] array = this.cbcNextV;
			int num2 = 0;
			int num3 = 0;
			Array.Copy(input, inOff, array, num3, num);
			IBlockCipher blockCipher = this.cipher;
			if (this.blockSize > num2)
			{
				byte[] array2 = this.cbcV;
				num2++;
			}
			byte[] array3 = this.cbcNextV;
			byte[] array4 = this.cbcV;
			this.cbcV = array3;
			this.cbcNextV = array4;
			throw new NullReferenceException();
		}

		// Token: 0x0400724E RID: 29262
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400724E")]
		private byte[] IV;

		// Token: 0x0400724F RID: 29263
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400724F")]
		private byte[] cbcV;

		// Token: 0x04007250 RID: 29264
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4007250")]
		private byte[] cbcNextV;

		// Token: 0x04007251 RID: 29265
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4007251")]
		private int blockSize;

		// Token: 0x04007252 RID: 29266
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4007252")]
		private IBlockCipher cipher;

		// Token: 0x04007253 RID: 29267
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4007253")]
		private bool encrypting;
	}
}