using System;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes
{
	// Token: 0x02001C3F RID: 7231
	[Token(Token = "0x2001C3F")]
	public class OpenPgpCfbBlockCipher : IBlockCipher
	{
		// Token: 0x0600B4D4 RID: 46292 RVA: 0x0027734C File Offset: 0x0027554C
		[Token(Token = "0x600B4D4")]
		[Address(RVA = "0x180FEA0", Offset = "0x180ECA0", VA = "0x18180FEA0")]
		public OpenPgpCfbBlockCipher(IBlockCipher cipher)
		{
			this.cipher = cipher;
			byte[] array = new byte[0];
			int num = this.blockSize;
			this.IV = array;
			byte[] array2 = new byte[num];
			int num2 = this.blockSize;
			this.FR = array2;
			byte[] array3 = new byte[num2];
			this.FRE = array3;
		}

		// Token: 0x0600B4D5 RID: 46293 RVA: 0x002773A8 File Offset: 0x002755A8
		[Token(Token = "0x600B4D5")]
		[Address(RVA = "0x3F63E0", Offset = "0x3F51E0", VA = "0x1803F63E0")]
		public IBlockCipher GetUnderlyingCipher()
		{
			return this.cipher;
		}

		// Token: 0x17001C85 RID: 7301
		// (get) Token: 0x0600B4D6 RID: 46294 RVA: 0x002773BC File Offset: 0x002755BC
		[Token(Token = "0x17001C85")]
		public string AlgorithmName
		{
			[Token(Token = "0x600B4D6")]
			[Address(RVA = "0x180FF40", Offset = "0x180ED40", VA = "0x18180FF40", Slot = "4")]
			get
			{
				IBlockCipher blockCipher = this.cipher;
				return 0 + "/OpenPGPCFB";
			}
		}

		// Token: 0x17001C86 RID: 7302
		// (get) Token: 0x0600B4D7 RID: 46295 RVA: 0x002773E4 File Offset: 0x002755E4
		[Token(Token = "0x17001C86")]
		public bool IsPartialBlockOkay
		{
			[Token(Token = "0x600B4D7")]
			[Address(RVA = "0x460D40", Offset = "0x45FB40", VA = "0x180460D40", Slot = "7")]
			get
			{
				return true;
			}
		}

		// Token: 0x0600B4D8 RID: 46296 RVA: 0x002773F4 File Offset: 0x002755F4
		[Token(Token = "0x600B4D8")]
		[Address(RVA = "0x180FB70", Offset = "0x180E970", VA = "0x18180FB70", Slot = "6")]
		public int GetBlockSize()
		{
			IBlockCipher blockCipher = this.cipher;
			throw new NullReferenceException();
		}

		// Token: 0x0600B4D9 RID: 46297 RVA: 0x00277410 File Offset: 0x00275610
		[Token(Token = "0x600B4D9")]
		[Address(RVA = "0x180FDF0", Offset = "0x180EBF0", VA = "0x18180FDF0", Slot = "8")]
		public int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
		{
			if (this.forEncryption)
			{
				int num;
				return num;
			}
			int num2;
			return num2;
		}

		// Token: 0x0600B4DA RID: 46298 RVA: 0x0027742C File Offset: 0x0027562C
		[Token(Token = "0x600B4DA")]
		[Address(RVA = "0x180FE20", Offset = "0x180EC20", VA = "0x18180FE20", Slot = "9")]
		public void Reset()
		{
			byte[] fr = this.FR;
			int num = 0;
			this.count = num;
			byte[] iv = this.IV;
			int num2 = 0;
			int num3 = 0;
			int length = fr.Length;
			Array.Copy(iv, num3, fr, num2, length);
			IBlockCipher blockCipher = this.cipher;
			throw new NullReferenceException();
		}

		// Token: 0x0600B4DB RID: 46299 RVA: 0x00277478 File Offset: 0x00275678
		[Token(Token = "0x600B4DB")]
		[Address(RVA = "0x180FBC0", Offset = "0x180E9C0", VA = "0x18180FBC0", Slot = "5")]
		public void Init(bool forEncryption, ICipherParameters parameters)
		{
			int num;
			do
			{
				num = 0;
				this.forEncryption = forEncryption;
				if (parameters == 0 || parameters == 0)
				{
					goto IL_46;
				}
			}
			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_46:
			byte[] fr = this.FR;
			this.count = num;
			int length3 = fr.Length;
			int num4 = 0;
			byte[] iv2 = this.IV;
			int num5 = 0;
			Array.Copy(iv2, num5, fr, num4, length3);
			IBlockCipher blockCipher = this.cipher;
			IBlockCipher blockCipher2 = this.cipher;
		}

		// Token: 0x0600B4DC RID: 46300 RVA: 0x00277518 File Offset: 0x00275718
		[Token(Token = "0x600B4DC")]
		[Address(RVA = "0x180FB30", Offset = "0x180E930", VA = "0x18180FB30")]
		private byte EncryptByte(byte data, int blockOff)
		{
			byte[] fre = this.FRE;
			byte b;
			return b;
		}

		// Token: 0x0600B4DD RID: 46301 RVA: 0x00277534 File Offset: 0x00275734
		[Token(Token = "0x600B4DD")]
		[Address(RVA = "0x180F480", Offset = "0x180E280", VA = "0x18180F480")]
		private int EncryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
		{
			int num;
			int num2;
			byte[] fre5;
			for (;;)
			{
				num = this.blockSize;
				int length = input.Length;
				int length2 = outBytes.Length;
				num2 = this.count;
				if (num2 != 0)
				{
					break;
				}
				IBlockCipher blockCipher = this.cipher;
				byte[] fre = this.FRE;
				int num3 = 0;
				if (this.blockSize > 0)
				{
					byte[] fr = this.FR;
					byte[] fre2 = this.FRE;
					byte b = fre[input];
					num3++;
					int num4 = this.blockSize;
					byte[] fr2 = this.FR;
					byte[] fre3 = this.FRE;
					num4 += -2;
					byte b2;
					fr2[0] = b2;
					int num5 = inOff + 1;
					byte[] fr3 = this.FR;
					byte[] fre4 = this.FRE;
					int num6 = this.blockSize;
					byte b3;
					fr3[0] = b3;
					IBlockCipher blockCipher2 = this.cipher;
					fre5 = this.FRE;
					if (this.blockSize > 2)
					{
						goto Block_4;
					}
				}
			}
			if (num2 == num)
			{
				IBlockCipher blockCipher3 = this.cipher;
				byte[] fre6 = this.FRE;
				byte[] fre7 = this.FRE;
				int num7 = inOff + 1;
				byte[] fre8 = this.FRE;
				int num8 = this.blockSize;
				int num9 = 0;
				byte[] fr4 = this.FR;
				Array.Copy(fr4, 2, fr4, num9, num8);
				IBlockCipher blockCipher4 = this.cipher;
				byte[] fre9 = this.FRE;
				if (this.blockSize > 2)
				{
					byte[] fr5 = this.FR;
					byte[] fre10 = this.FRE;
					byte b4;
					fre9[0] = b4;
					int num10 = this.blockSize;
				}
			}
			return num;
			Block_4:
			byte[] fr6 = this.FR;
			byte[] fre11 = this.FRE;
			byte b5;
			fre5[0] = b5;
			int num11 = this.blockSize;
			throw new NullReferenceException();
		}

		// Token: 0x0600B4DE RID: 46302 RVA: 0x002776C8 File Offset: 0x002758C8
		[Token(Token = "0x600B4DE")]
		[Address(RVA = "0x180ED50", Offset = "0x180DB50", VA = "0x18180ED50")]
		private int DecryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
		{
			int num;
			int num2;
			byte[] fre5;
			for (;;)
			{
				num = this.blockSize;
				int length = input.Length;
				num2 = this.count;
				if (num2 != 0)
				{
					break;
				}
				IBlockCipher blockCipher = this.cipher;
				byte[] fre = this.FRE;
				int num3 = 0;
				if (this.blockSize > 0)
				{
					byte[] fr = this.FR;
					byte[] fre2 = this.FRE;
					num3++;
					int num4 = this.blockSize;
					byte[] fr2 = this.FR;
					byte[] fre3 = this.FRE;
					int num5 = this.blockSize;
					int num6 = inOff + 1;
					byte[] fr3 = this.FR;
					int num7 = this.blockSize;
					byte[] fre4 = this.FRE;
					int num8 = this.blockSize;
					IBlockCipher blockCipher2 = this.cipher;
					fre5 = this.FRE;
					if (this.blockSize > 2)
					{
						goto Block_4;
					}
				}
			}
			if (num2 == num)
			{
				IBlockCipher blockCipher3 = this.cipher;
				byte[] fre6 = this.FRE;
				int length2 = input.Length;
				int num9 = inOff + 1;
				byte[] fre7 = this.FRE;
				byte[] fre8 = this.FRE;
				int num10 = 0;
				int num11 = this.blockSize;
				byte[] fr4 = this.FR;
				Array.Copy(fr4, 2, fr4, num10, num11);
				byte[] fr5 = this.FR;
				int num12 = this.blockSize;
				byte[] fr6 = this.FR;
				int num13 = this.blockSize;
				IBlockCipher blockCipher4 = this.cipher;
				byte[] fre9 = this.FRE;
				if (this.blockSize > 2)
				{
					byte[] fr7 = this.FR;
					byte b = fre9[input];
					fre9[0] = b;
					byte[] fre10 = this.FRE;
					int num14 = this.blockSize;
				}
			}
			return num;
			Block_4:
			byte[] fr8 = this.FR;
			byte b2 = fre5[input];
			fre5[0] = b2;
			byte[] fre11 = this.FRE;
			int num15 = this.blockSize;
			throw new NullReferenceException();
		}

		// Token: 0x040072CE RID: 29390
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x40072CE")]
		private byte[] IV;

		// Token: 0x040072CF RID: 29391
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x40072CF")]
		private byte[] FR;

		// Token: 0x040072D0 RID: 29392
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x40072D0")]
		private byte[] FRE;

		// Token: 0x040072D1 RID: 29393
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x40072D1")]
		private readonly IBlockCipher cipher;

		// Token: 0x040072D2 RID: 29394
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x40072D2")]
		private readonly int blockSize;

		// Token: 0x040072D3 RID: 29395
		[FieldOffset(Offset = "0x34")]
		[Token(Token = "0x40072D3")]
		private int count;

		// Token: 0x040072D4 RID: 29396
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x40072D4")]
		private bool forEncryption;
	}
}