Apr2020-Cpp2Il-Dump/Assembly-CSharp/BestHTTP/SecureProtocol/Org/BouncyCastle/Crypto/Modes/CfbBlockCipher.cs

using System;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes
{
	// Token: 0x02001C34 RID: 7220
	[Token(Token = "0x2001C34")]
	public class CfbBlockCipher : IBlockCipher
	{
		// Token: 0x0600B43B RID: 46139 RVA: 0x00273AB0 File Offset: 0x00271CB0
		[Token(Token = "0x600B43B")]
		[Address(RVA = "0x1C1E280", Offset = "0x1C1D080", VA = "0x181C1E280")]
		public CfbBlockCipher(IBlockCipher cipher, int bitBlockSize)
		{
			this.cipher = cipher;
			this.blockSize = bitBlockSize;
			byte[] array = new byte[bitBlockSize];
			this.IV = array;
			byte[] array2 = new byte[array];
			this.cfbV = array2;
			byte[] array3 = new byte[array2];
			this.cfbOutV = array3;
		}

		// Token: 0x0600B43C RID: 46140 RVA: 0x00273B04 File Offset: 0x00271D04
		[Token(Token = "0x600B43C")]
		[Address(RVA = "0x3FA180", Offset = "0x3F8F80", VA = "0x1803FA180")]
		public IBlockCipher GetUnderlyingCipher()
		{
			return this.cipher;
		}

		// Token: 0x0600B43D RID: 46141 RVA: 0x00273B18 File Offset: 0x00271D18
		[Token(Token = "0x600B43D")]
		[Address(RVA = "0x1C1E020", Offset = "0x1C1CE20", VA = "0x181C1E020", Slot = "5")]
		public void Init(bool forEncryption, ICipherParameters parameters)
		{
			do
			{
				this.encrypting = forEncryption;
				if (parameters == 0 || parameters == 0)
				{
					goto IL_5B;
				}
			}
			while (parameters == 0);
			byte[] iv = this.IV;
			byte[] array;
			int length = array.Length;
			int num = 0;
			int num2 = iv.Length;
			num2 -= length;
			Array.Copy(array, num, iv, num2, length);
			byte[] iv2 = this.IV;
			int num3 = 0;
			Array.Clear(iv2, num3, num2);
			IL_5B:
			byte[] iv3 = this.IV;
			int length2 = iv3.Length;
			int num4 = 0;
			byte[] array2 = this.cfbV;
			int num5 = 0;
			Array.Copy(iv3, num5, array2, num4, length2);
			IBlockCipher blockCipher = this.cipher;
			if (parameters != 0)
			{
				IBlockCipher blockCipher2 = this.cipher;
			}
		}

		// Token: 0x17001C78 RID: 7288
		// (get) Token: 0x0600B43E RID: 46142 RVA: 0x00273BC8 File Offset: 0x00271DC8
		[Token(Token = "0x17001C78")]
		public string AlgorithmName
		{
			[Token(Token = "0x600B43E")]
			[Address(RVA = "0x1C1E360", Offset = "0x1C1D160", VA = "0x181C1E360", Slot = "4")]
			get
			{
				IBlockCipher blockCipher = this.cipher;
				int num = this.blockSize;
				string text;
				return text;
			}
		}

		// Token: 0x17001C79 RID: 7289
		// (get) Token: 0x0600B43F RID: 46143 RVA: 0x00273BEC File Offset: 0x00271DEC
		[Token(Token = "0x17001C79")]
		public bool IsPartialBlockOkay
		{
			[Token(Token = "0x600B43F")]
			[Address(RVA = "0x460D40", Offset = "0x45FB40", VA = "0x180460D40", Slot = "7")]
			get
			{
				return true;
			}
		}

		// Token: 0x0600B440 RID: 46144 RVA: 0x00273BFC File Offset: 0x00271DFC
		[Token(Token = "0x600B440")]
		[Address(RVA = "0x42EED0", Offset = "0x42DCD0", VA = "0x18042EED0", Slot = "6")]
		public int GetBlockSize()
		{
			return this.blockSize;
		}

		// Token: 0x0600B441 RID: 46145 RVA: 0x00273C10 File Offset: 0x00271E10
		[Token(Token = "0x600B441")]
		[Address(RVA = "0x1C1E1E0", Offset = "0x1C1CFE0", VA = "0x181C1E1E0", Slot = "8")]
		public int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
		{
			if (this.encrypting)
			{
				int num;
				return num;
			}
			int num2;
			return num2;
		}

		// Token: 0x0600B442 RID: 46146 RVA: 0x00273C2C File Offset: 0x00271E2C
		[Token(Token = "0x600B442")]
		[Address(RVA = "0x1C1DE00", Offset = "0x1C1CC00", VA = "0x181C1DE00")]
		public int EncryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
		{
			IBlockCipher blockCipher = this.cipher;
			byte[] array = this.cfbOutV;
			byte[] array2 = this.cfbV;
			int num = this.blockSize;
			if (num > 0)
			{
				byte[] array3 = this.cfbOutV;
				int num2 = this.blockSize;
			}
			byte[] array4 = this.cfbV;
			int num3 = array4.Length;
			int num4 = 0;
			num3 -= num;
			Array.Copy(array4, num, array4, num4, num3);
			byte[] array5 = this.cfbV;
			int num5 = this.blockSize;
			int num6 = array5.Length;
			num6 -= num5;
			return this.blockSize;
		}

		// Token: 0x0600B443 RID: 46147 RVA: 0x00273CC4 File Offset: 0x00271EC4
		[Token(Token = "0x600B443")]
		[Address(RVA = "0x1C1DBF0", Offset = "0x1C1C9F0", VA = "0x181C1DBF0")]
		public int DecryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
		{
			IBlockCipher blockCipher = this.cipher;
			byte[] array = this.cfbOutV;
			byte[] array2 = this.cfbV;
			int num = array2.Length;
			int num2 = 0;
			int num3 = this.blockSize;
			num -= num3;
			Array.Copy(array2, num3, array2, num2, num);
			byte[] array3 = this.cfbV;
			int num4 = this.blockSize;
			int num5 = array3.Length;
			num5 -= num4;
			Array.Copy(input, inOff, array3, num5, num4);
			int num6 = this.blockSize;
			if (num6 > 0)
			{
				byte[] array4 = this.cfbOutV;
				num6 = num4;
				int num7 = this.blockSize;
			}
			return num6;
		}

		// Token: 0x0600B444 RID: 46148 RVA: 0x00273D70 File Offset: 0x00271F70
		[Token(Token = "0x600B444")]
		[Address(RVA = "0x1C1E210", Offset = "0x1C1D010", VA = "0x181C1E210", Slot = "9")]
		public void Reset()
		{
			byte[] iv = this.IV;
			int length = iv.Length;
			int num = 0;
			byte[] array = this.cfbV;
			int num2 = 0;
			Array.Copy(iv, num2, array, num, length);
			IBlockCipher blockCipher = this.cipher;
			throw new NullReferenceException();
		}

		// Token: 0x0400725E RID: 29278
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400725E")]
		private byte[] IV;

		// Token: 0x0400725F RID: 29279
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400725F")]
		private byte[] cfbV;

		// Token: 0x04007260 RID: 29280
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4007260")]
		private byte[] cfbOutV;

		// Token: 0x04007261 RID: 29281
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4007261")]
		private bool encrypting;

		// Token: 0x04007262 RID: 29282
		[FieldOffset(Offset = "0x2C")]
		[Token(Token = "0x4007262")]
		private readonly int blockSize;

		// Token: 0x04007263 RID: 29283
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4007263")]
		private readonly IBlockCipher cipher;
	}
}