using System;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes
{
	// Token: 0x02001C39 RID: 7225
	[Token(Token = "0x2001C39")]
	public class GOfbBlockCipher : IBlockCipher
	{
		// Token: 0x0600B477 RID: 46199 RVA: 0x0027557C File Offset: 0x0027377C
		[Token(Token = "0x600B477")]
		[Address(RVA = "0x1C22AC0", Offset = "0x1C218C0", VA = "0x181C22AC0")]
		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: 0x0600B478 RID: 46200 RVA: 0x002755D8 File Offset: 0x002737D8
		[Token(Token = "0x600B478")]
		[Address(RVA = "0x3FA180", Offset = "0x3F8F80", VA = "0x1803FA180")]
		public IBlockCipher GetUnderlyingCipher()
		{
			return this.cipher;
		}

		// Token: 0x0600B479 RID: 46201 RVA: 0x002755EC File Offset: 0x002737EC
		[Token(Token = "0x600B479")]
		[Address(RVA = "0x1C22550", Offset = "0x1C21350", VA = "0x181C22550", 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: 0x17001C7C RID: 7292
		// (get) Token: 0x0600B47A RID: 46202 RVA: 0x00275690 File Offset: 0x00273890
		[Token(Token = "0x17001C7C")]
		public string AlgorithmName
		{
			[Token(Token = "0x600B47A")]
			[Address(RVA = "0x1C22CA0", Offset = "0x1C21AA0", VA = "0x181C22CA0", Slot = "4")]
			get
			{
				IBlockCipher blockCipher = this.cipher;
				return 0 + "/GCTR";
			}
		}

		// Token: 0x17001C7D RID: 7293
		// (get) Token: 0x0600B47B RID: 46203 RVA: 0x002756B8 File Offset: 0x002738B8
		[Token(Token = "0x17001C7D")]
		public bool IsPartialBlockOkay
		{
			[Token(Token = "0x600B47B")]
			[Address(RVA = "0x460D40", Offset = "0x45FB40", VA = "0x180460D40", Slot = "7")]
			get
			{
				return true;
			}
		}

		// Token: 0x0600B47C RID: 46204 RVA: 0x002756C8 File Offset: 0x002738C8
		[Token(Token = "0x600B47C")]
		[Address(RVA = "0x42EE50", Offset = "0x42DC50", VA = "0x18042EE50", Slot = "6")]
		public int GetBlockSize()
		{
			return this.blockSize;
		}

		// Token: 0x0600B47D RID: 46205 RVA: 0x002756DC File Offset: 0x002738DC
		[Token(Token = "0x600B47D")]
		[Address(RVA = "0x1C22780", Offset = "0x1C21580", VA = "0x181C22780", 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: 0x0600B47E RID: 46206 RVA: 0x0027584C File Offset: 0x00273A4C
		[Token(Token = "0x600B47E")]
		[Address(RVA = "0x1C22A50", Offset = "0x1C21850", VA = "0x181C22A50", 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: 0x0600B47F RID: 46207 RVA: 0x0027588C File Offset: 0x00273A8C
		[Token(Token = "0x600B47F")]
		[Address(RVA = "0x1C22BE0", Offset = "0x1C219E0", VA = "0x181C22BE0")]
		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: 0x0600B480 RID: 46208 RVA: 0x002758B8 File Offset: 0x00273AB8
		[Token(Token = "0x600B480")]
		[Address(RVA = "0x1C22D00", Offset = "0x1C21B00", VA = "0x181C22D00")]
		private void intTobytes(int num, byte[] outBytes, int outOff)
		{
			int num2 = outOff + 1;
		}

		// Token: 0x0400728F RID: 29327
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400728F")]
		private byte[] IV;

		// Token: 0x04007290 RID: 29328
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4007290")]
		private byte[] ofbV;

		// Token: 0x04007291 RID: 29329
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4007291")]
		private byte[] ofbOutV;

		// Token: 0x04007292 RID: 29330
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4007292")]
		private readonly int blockSize;

		// Token: 0x04007293 RID: 29331
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4007293")]
		private readonly IBlockCipher cipher;

		// Token: 0x04007294 RID: 29332
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4007294")]
		private bool firstStep = true;

		// Token: 0x04007295 RID: 29333
		[FieldOffset(Offset = "0x3C")]
		[Token(Token = "0x4007295")]
		private int N3;

		// Token: 0x04007296 RID: 29334
		[FieldOffset(Offset = "0x40")]
		[Token(Token = "0x4007296")]
		private int N4;

		// Token: 0x04007297 RID: 29335
		[Token(Token = "0x4007297")]
		private const int C1 = 16843012;

		// Token: 0x04007298 RID: 29336
		[Token(Token = "0x4007298")]
		private const int C2 = 16843009;
	}
}