27Aug2021-Cpp2IL-Dump/Assembly-CSharp/BestHTTP/SecureProtocol/Org/BouncyCastle/Crypto/Modes/CfbBlockCipher.cs

using System;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes
{
	// Token: 0x02001D14 RID: 7444
	[Token(Token = "0x2001D14")]
	public class CfbBlockCipher : IBlockCipher
	{
		// Token: 0x0600B809 RID: 47113 RVA: 0x0027CCA8 File Offset: 0x0027AEA8
		[Token(Token = "0x600B809")]
		[Address(RVA = "0x25B5220", Offset = "0x25B4220", VA = "0x1825B5220")]
		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: 0x0600B80A RID: 47114 RVA: 0x0027CCFC File Offset: 0x0027AEFC
		[Token(Token = "0x600B80A")]
		[Address(RVA = "0x4157E0", Offset = "0x4147E0", VA = "0x1804157E0")]
		public IBlockCipher GetUnderlyingCipher()
		{
			return this.cipher;
		}

		// Token: 0x0600B80B RID: 47115 RVA: 0x0027CD10 File Offset: 0x0027AF10
		[Token(Token = "0x600B80B")]
		[Address(RVA = "0x25B4FC0", Offset = "0x25B3FC0", VA = "0x1825B4FC0", 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: 0x17001D15 RID: 7445
		// (get) Token: 0x0600B80C RID: 47116 RVA: 0x0027CDC0 File Offset: 0x0027AFC0
		[Token(Token = "0x17001D15")]
		public string AlgorithmName
		{
			[Token(Token = "0x600B80C")]
			[Address(RVA = "0x25B5300", Offset = "0x25B4300", VA = "0x1825B5300", Slot = "4")]
			get
			{
				IBlockCipher blockCipher = this.cipher;
				int num = this.blockSize;
				string text;
				return text;
			}
		}

		// Token: 0x17001D16 RID: 7446
		// (get) Token: 0x0600B80D RID: 47117 RVA: 0x0027CDE4 File Offset: 0x0027AFE4
		[Token(Token = "0x17001D16")]
		public bool IsPartialBlockOkay
		{
			[Token(Token = "0x600B80D")]
			[Address(RVA = "0x4246A0", Offset = "0x4236A0", VA = "0x1804246A0", Slot = "7")]
			get
			{
				return true;
			}
		}

		// Token: 0x0600B80E RID: 47118 RVA: 0x0027CDF4 File Offset: 0x0027AFF4
		[Token(Token = "0x600B80E")]
		[Address(RVA = "0x4B5010", Offset = "0x4B4010", VA = "0x1804B5010", Slot = "6")]
		public int GetBlockSize()
		{
			return this.blockSize;
		}

		// Token: 0x0600B80F RID: 47119 RVA: 0x0027CE08 File Offset: 0x0027B008
		[Token(Token = "0x600B80F")]
		[Address(RVA = "0x25B5180", Offset = "0x25B4180", VA = "0x1825B5180", 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: 0x0600B810 RID: 47120 RVA: 0x0027CE24 File Offset: 0x0027B024
		[Token(Token = "0x600B810")]
		[Address(RVA = "0x25B4DA0", Offset = "0x25B3DA0", VA = "0x1825B4DA0")]
		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: 0x0600B811 RID: 47121 RVA: 0x0027CEBC File Offset: 0x0027B0BC
		[Token(Token = "0x600B811")]
		[Address(RVA = "0x25B4B90", Offset = "0x25B3B90", VA = "0x1825B4B90")]
		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: 0x0600B812 RID: 47122 RVA: 0x0027CF68 File Offset: 0x0027B168
		[Token(Token = "0x600B812")]
		[Address(RVA = "0x25B51B0", Offset = "0x25B41B0", VA = "0x1825B51B0", 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: 0x04007417 RID: 29719
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4007417")]
		private byte[] IV;

		// Token: 0x04007418 RID: 29720
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4007418")]
		private byte[] cfbV;

		// Token: 0x04007419 RID: 29721
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4007419")]
		private byte[] cfbOutV;

		// Token: 0x0400741A RID: 29722
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x400741A")]
		private bool encrypting;

		// Token: 0x0400741B RID: 29723
		[FieldOffset(Offset = "0x2C")]
		[Token(Token = "0x400741B")]
		private readonly int blockSize;

		// Token: 0x0400741C RID: 29724
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x400741C")]
		private readonly IBlockCipher cipher;
	}
}