Jan2021-Cpp2Il-Dump/Assembly-CSharp/BestHTTP/SecureProtocol/Org/BouncyCastle/Crypto/Modes/OfbBlockCipher.cs

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

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes
{
	// Token: 0x02001661 RID: 5729
	[Token(Token = "0x2001661")]
	[StructLayout(3)]
	public class OfbBlockCipher : IBlockCipher
	{
		// Token: 0x060098F2 RID: 39154 RVA: 0x0021FAE0 File Offset: 0x0021DCE0
		[Token(Token = "0x60098F2")]
		[Address(RVA = "0x1DDB610", Offset = "0x1DDA010", VA = "0x181DDB610")]
		public OfbBlockCipher(IBlockCipher cipher, int blockSize)
		{
			this.cipher = cipher;
			this.blockSize = blockSize;
			byte[] array = new byte[blockSize];
			this.IV = array;
			byte[] array2 = new byte[array];
			this.ofbV = array2;
			byte[] array3 = new byte[array2];
			this.ofbOutV = array3;
		}

		// Token: 0x060098F3 RID: 39155 RVA: 0x0021FB34 File Offset: 0x0021DD34
		[Token(Token = "0x60098F3")]
		[Address(RVA = "0x3C1250", Offset = "0x3BFC50", VA = "0x1803C1250")]
		public IBlockCipher GetUnderlyingCipher()
		{
			return this.cipher;
		}

		// Token: 0x060098F4 RID: 39156 RVA: 0x0021FB48 File Offset: 0x0021DD48
		[Token(Token = "0x60098F4")]
		[Address(RVA = "0x1DDB170", Offset = "0x1DD9B70", VA = "0x181DDB170", Slot = "5")]
		public void Init(bool forEncryption, ICipherParameters parameters)
		{
			while (parameters != 0 && parameters != 0)
			{
				if (parameters != 0)
				{
					byte[] iv = this.IV;
					byte[] array;
					int length = array.Length;
					int length2 = iv.Length;
					int num = 0;
					int num2 = 0;
					Array.Copy(array, num, iv, num2, length2);
					break;
				}
			}
			byte[] iv2 = this.IV;
			int length3 = iv2.Length;
			int num3 = 0;
			byte[] array2 = this.ofbV;
			int num4 = 0;
			Array.Copy(iv2, num4, array2, num3, length3);
			IBlockCipher blockCipher = this.cipher;
			if (parameters != 0)
			{
				IBlockCipher blockCipher2 = this.cipher;
			}
		}

		// Token: 0x17001882 RID: 6274
		// (get) Token: 0x060098F5 RID: 39157 RVA: 0x0021FC04 File Offset: 0x0021DE04
		[Token(Token = "0x17001882")]
		public string AlgorithmName
		{
			[Token(Token = "0x60098F5")]
			[Address(RVA = "0x1DDB6F0", Offset = "0x1DDA0F0", VA = "0x181DDB6F0", Slot = "4")]
			get
			{
				IBlockCipher blockCipher = this.cipher;
				int num = this.blockSize;
				string text;
				return text;
			}
		}

		// Token: 0x17001883 RID: 6275
		// (get) Token: 0x060098F6 RID: 39158 RVA: 0x0021FC28 File Offset: 0x0021DE28
		[Token(Token = "0x17001883")]
		public bool IsPartialBlockOkay
		{
			[Token(Token = "0x60098F6")]
			[Address(RVA = "0x4405A0", Offset = "0x43EFA0", VA = "0x1804405A0", Slot = "7")]
			get
			{
				return true;
			}
		}

		// Token: 0x060098F7 RID: 39159 RVA: 0x0021FC38 File Offset: 0x0021DE38
		[Token(Token = "0x60098F7")]
		[Address(RVA = "0x4D24F0", Offset = "0x4D0EF0", VA = "0x1804D24F0", Slot = "6")]
		public int GetBlockSize()
		{
			return this.blockSize;
		}

		// Token: 0x060098F8 RID: 39160 RVA: 0x0021FC4C File Offset: 0x0021DE4C
		[Token(Token = "0x60098F8")]
		[Address(RVA = "0x1DDB390", Offset = "0x1DD9D90", VA = "0x181DDB390", Slot = "8")]
		public int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
		{
			IBlockCipher blockCipher = this.cipher;
			byte[] array = this.ofbOutV;
			int num = this.blockSize;
			if (num > 0)
			{
				byte[] array2 = this.ofbOutV;
				int num2 = this.blockSize;
			}
			byte[] array3 = this.ofbV;
			int num3 = array3.Length;
			int num4 = 0;
			num3 -= num;
			Array.Copy(array3, num, array3, num4, num3);
			byte[] array4 = this.ofbV;
			int num5 = this.blockSize;
			int num6 = 0;
			int num7 = array4.Length;
			byte[] array5 = this.ofbOutV;
			num7 -= num5;
			Array.Copy(array5, num6, array4, num7, num5);
			return this.blockSize;
		}

		// Token: 0x060098F9 RID: 39161 RVA: 0x0021FCF4 File Offset: 0x0021DEF4
		[Token(Token = "0x60098F9")]
		[Address(RVA = "0x1DDB5A0", Offset = "0x1DD9FA0", VA = "0x181DDB5A0", Slot = "9")]
		public void Reset()
		{
			byte[] iv = this.IV;
			int length = iv.Length;
			int num = 0;
			byte[] array = this.ofbV;
			int num2 = 0;
			Array.Copy(iv, num2, array, num, length);
			IBlockCipher blockCipher = this.cipher;
			throw new NullReferenceException();
		}

		// Token: 0x04006486 RID: 25734
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4006486")]
		private byte[] IV;

		// Token: 0x04006487 RID: 25735
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4006487")]
		private byte[] ofbV;

		// Token: 0x04006488 RID: 25736
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4006488")]
		private byte[] ofbOutV;

		// Token: 0x04006489 RID: 25737
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4006489")]
		private readonly int blockSize;

		// Token: 0x0400648A RID: 25738
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x400648A")]
		private readonly IBlockCipher cipher;
	}
}