using System;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes
{
	// Token: 0x02001D19 RID: 7449
	[Token(Token = "0x2001D19")]
	public class GOfbBlockCipher : IBlockCipher
	{
		// Token: 0x0600B845 RID: 47173 RVA: 0x0027E718 File Offset: 0x0027C918
		[Token(Token = "0x600B845")]
		[Address(RVA = "0x25B99D0", Offset = "0x25B89D0", VA = "0x1825B99D0")]
		public GOfbBlockCipher(IBlockCipher cipher)
		{
			this.cipher = cipher;
			byte[] array = new byte[0];
			this.IV = array;
			byte[] array2 = new byte[array];
			this.ofbV = array2;
			byte[] array3 = new byte[array2];
			this.ofbOutV = array3;
		}

		// Token: 0x0600B846 RID: 47174 RVA: 0x0027E774 File Offset: 0x0027C974
		[Token(Token = "0x600B846")]
		[Address(RVA = "0x4157E0", Offset = "0x4147E0", VA = "0x1804157E0")]
		public IBlockCipher GetUnderlyingCipher()
		{
			return this.cipher;
		}

		// Token: 0x0600B847 RID: 47175 RVA: 0x0027E788 File Offset: 0x0027C988
		[Token(Token = "0x600B847")]
		[Address(RVA = "0x25B9460", Offset = "0x25B8460", VA = "0x1825B9460", Slot = "5")]
		public void Init(bool forEncryption, ICipherParameters parameters)
		{
			do
			{
				int num = 0;
				this.firstStep = true;
				this.N3 = num;
				if (parameters == 0 || parameters == 0)
				{
					goto IL_4D;
				}
			}
			while (parameters == 0);
			byte[] iv = this.IV;
			byte[] array;
			int length = array.Length;
			int length2 = iv.Length;
			int num2 = 0;
			int num3 = 0;
			Array.Copy(array, num2, iv, num3, length2);
			IL_4D:
			byte[] iv2 = this.IV;
			int length3 = iv2.Length;
			int num4 = 0;
			byte[] array2 = this.ofbV;
			int num5 = 0;
			Array.Copy(iv2, num5, array2, num4, length3);
			IBlockCipher blockCipher = this.cipher;
			if (parameters != 0)
			{
				IBlockCipher blockCipher2 = this.cipher;
			}
		}

		// Token: 0x17001D19 RID: 7449
		// (get) Token: 0x0600B848 RID: 47176 RVA: 0x0027E82C File Offset: 0x0027CA2C
		[Token(Token = "0x17001D19")]
		public string AlgorithmName
		{
			[Token(Token = "0x600B848")]
			[Address(RVA = "0x25B9BB0", Offset = "0x25B8BB0", VA = "0x1825B9BB0", Slot = "4")]
			get
			{
				IBlockCipher blockCipher = this.cipher;
				return 0 + "/GCTR";
			}
		}

		// Token: 0x17001D1A RID: 7450
		// (get) Token: 0x0600B849 RID: 47177 RVA: 0x0027E854 File Offset: 0x0027CA54
		[Token(Token = "0x17001D1A")]
		public bool IsPartialBlockOkay
		{
			[Token(Token = "0x600B849")]
			[Address(RVA = "0x4246A0", Offset = "0x4236A0", VA = "0x1804246A0", Slot = "7")]
			get
			{
				return true;
			}
		}

		// Token: 0x0600B84A RID: 47178 RVA: 0x0027E864 File Offset: 0x0027CA64
		[Token(Token = "0x600B84A")]
		[Address(RVA = "0x471180", Offset = "0x470180", VA = "0x180471180", Slot = "6")]
		public int GetBlockSize()
		{
			return this.blockSize;
		}

		// Token: 0x0600B84B RID: 47179 RVA: 0x0027E878 File Offset: 0x0027CA78
		[Token(Token = "0x600B84B")]
		[Address(RVA = "0x25B9690", Offset = "0x25B8690", VA = "0x1825B9690", Slot = "8")]
		public int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
		{
			int num = 0;
			if ((this.firstStep ? 1 : 0) != num)
			{
				IBlockCipher blockCipher = this.cipher;
				this.firstStep = num != 0;
				byte[] array = this.ofbOutV;
				byte[] array2 = this.ofbOutV;
				int num2 = 0;
				int num3 = this.bytesToint(array2, num2);
				byte[] array3 = this.ofbOutV;
				this.N3 = num3;
				int num4 = this.bytesToint(array3, 4);
				this.N4 = num4;
			}
			int num5 = this.N3;
			num5 += 16843009;
			int num6 = this.N4;
			this.N3 = num5;
			if (num6 < 16843012 && num6 > 0)
			{
				num6++;
				this.N4 = num6;
			}
			byte[] array4 = this.ofbV;
			int num7 = 0;
			this.intTobytes(num5, array4, num7);
			byte[] array5 = this.ofbV;
			int n = this.N4;
			uint num8;
			this.intTobytes(n, array5, (int)num8);
			IBlockCipher blockCipher2 = this.cipher;
			byte[] array6 = this.ofbOutV;
			int num9;
			if (this.blockSize > 0)
			{
				byte[] array7 = this.ofbOutV;
				num9 = this.blockSize;
			}
			byte[] array8 = this.ofbV;
			int num10 = array8.Length;
			int num11 = 0;
			num10 -= num9;
			Array.Copy(array8, num9, array8, num11, num10);
			byte[] array9 = this.ofbV;
			int num12 = this.blockSize;
			int num13 = 0;
			int num14 = array9.Length;
			byte[] array10 = this.ofbOutV;
			num14 -= num12;
			Array.Copy(array10, num13, array9, num14, num12);
			return this.blockSize;
		}

		// Token: 0x0600B84C RID: 47180 RVA: 0x0027E9E8 File Offset: 0x0027CBE8
		[Token(Token = "0x600B84C")]
		[Address(RVA = "0x25B9960", Offset = "0x25B8960", VA = "0x1825B9960", 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: 0x0600B84D RID: 47181 RVA: 0x0027EA28 File Offset: 0x0027CC28
		[Token(Token = "0x600B84D")]
		[Address(RVA = "0x25B9AF0", Offset = "0x25B8AF0", VA = "0x1825B9AF0")]
		private int bytesToint(byte[] inBytes, int inOff)
		{
			int length = inBytes.Length;
			int num = inOff + 1;
			byte b;
			byte b2;
			b += b2;
			b += b2;
			byte b3;
			b += b3;
			throw new NullReferenceException();
		}

		// Token: 0x0600B84E RID: 47182 RVA: 0x0027EA54 File Offset: 0x0027CC54
		[Token(Token = "0x600B84E")]
		[Address(RVA = "0x22DD6C0", Offset = "0x22DC6C0", VA = "0x1822DD6C0")]
		private void intTobytes(int num, byte[] outBytes, int outOff)
		{
			int num2 = outOff + 1;
		}

		// Token: 0x04007448 RID: 29768
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4007448")]
		private byte[] IV;

		// Token: 0x04007449 RID: 29769
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4007449")]
		private byte[] ofbV;

		// Token: 0x0400744A RID: 29770
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x400744A")]
		private byte[] ofbOutV;

		// Token: 0x0400744B RID: 29771
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x400744B")]
		private readonly int blockSize;

		// Token: 0x0400744C RID: 29772
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x400744C")]
		private readonly IBlockCipher cipher;

		// Token: 0x0400744D RID: 29773
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x400744D")]
		private bool firstStep = true;

		// Token: 0x0400744E RID: 29774
		[FieldOffset(Offset = "0x3C")]
		[Token(Token = "0x400744E")]
		private int N3;

		// Token: 0x0400744F RID: 29775
		[FieldOffset(Offset = "0x40")]
		[Token(Token = "0x400744F")]
		private int N4;

		// Token: 0x04007450 RID: 29776
		[Token(Token = "0x4007450")]
		private const int C1 = 16843012;

		// Token: 0x04007451 RID: 29777
		[Token(Token = "0x4007451")]
		private const int C2 = 16843009;
	}
}