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

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes
{
	// Token: 0x02001662 RID: 5730
	[Token(Token = "0x2001662")]
	[StructLayout(3)]
	public class OpenPgpCfbBlockCipher : IBlockCipher
	{
		// Token: 0x060098FA RID: 39162 RVA: 0x0021FD34 File Offset: 0x0021DF34
		[Token(Token = "0x60098FA")]
		[Address(RVA = "0x1DDC8D0", Offset = "0x1DDB2D0", VA = "0x181DDC8D0")]
		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: 0x060098FB RID: 39163 RVA: 0x0021FD90 File Offset: 0x0021DF90
		[Token(Token = "0x60098FB")]
		[Address(RVA = "0x3C1230", Offset = "0x3BFC30", VA = "0x1803C1230")]
		public IBlockCipher GetUnderlyingCipher()
		{
			return this.cipher;
		}

		// Token: 0x17001884 RID: 6276
		// (get) Token: 0x060098FC RID: 39164 RVA: 0x0021FDA4 File Offset: 0x0021DFA4
		[Token(Token = "0x17001884")]
		public string AlgorithmName
		{
			[Token(Token = "0x60098FC")]
			[Address(RVA = "0x1DDC970", Offset = "0x1DDB370", VA = "0x181DDC970", Slot = "4")]
			get
			{
				IBlockCipher blockCipher = this.cipher;
				return 0 + "/OpenPGPCFB";
			}
		}

		// Token: 0x17001885 RID: 6277
		// (get) Token: 0x060098FD RID: 39165 RVA: 0x0021FDCC File Offset: 0x0021DFCC
		[Token(Token = "0x17001885")]
		public bool IsPartialBlockOkay
		{
			[Token(Token = "0x60098FD")]
			[Address(RVA = "0x4405A0", Offset = "0x43EFA0", VA = "0x1804405A0", Slot = "7")]
			get
			{
				return true;
			}
		}

		// Token: 0x060098FE RID: 39166 RVA: 0x0021FDDC File Offset: 0x0021DFDC
		[Token(Token = "0x60098FE")]
		[Address(RVA = "0x1DDC5A0", Offset = "0x1DDAFA0", VA = "0x181DDC5A0", Slot = "6")]
		public int GetBlockSize()
		{
			IBlockCipher blockCipher = this.cipher;
			throw new NullReferenceException();
		}

		// Token: 0x060098FF RID: 39167 RVA: 0x0021FDF8 File Offset: 0x0021DFF8
		[Token(Token = "0x60098FF")]
		[Address(RVA = "0x1DDC820", Offset = "0x1DDB220", VA = "0x181DDC820", 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: 0x06009900 RID: 39168 RVA: 0x0021FE14 File Offset: 0x0021E014
		[Token(Token = "0x6009900")]
		[Address(RVA = "0x1DDC850", Offset = "0x1DDB250", VA = "0x181DDC850", 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: 0x06009901 RID: 39169 RVA: 0x0021FE60 File Offset: 0x0021E060
		[Token(Token = "0x6009901")]
		[Address(RVA = "0x1DDC5F0", Offset = "0x1DDAFF0", VA = "0x181DDC5F0", 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: 0x06009902 RID: 39170 RVA: 0x0021FF00 File Offset: 0x0021E100
		[Token(Token = "0x6009902")]
		[Address(RVA = "0x1DDC560", Offset = "0x1DDAF60", VA = "0x181DDC560")]
		private byte EncryptByte(byte data, int blockOff)
		{
			byte[] fre = this.FRE;
			byte b;
			return b;
		}

		// Token: 0x06009903 RID: 39171 RVA: 0x0021FF1C File Offset: 0x0021E11C
		[Token(Token = "0x6009903")]
		[Address(RVA = "0x1DDBEB0", Offset = "0x1DDA8B0", VA = "0x181DDBEB0")]
		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: 0x06009904 RID: 39172 RVA: 0x002200B0 File Offset: 0x0021E2B0
		[Token(Token = "0x6009904")]
		[Address(RVA = "0x1DDB780", Offset = "0x1DDA180", VA = "0x181DDB780")]
		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: 0x0400648B RID: 25739
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400648B")]
		private byte[] IV;

		// Token: 0x0400648C RID: 25740
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400648C")]
		private byte[] FR;

		// Token: 0x0400648D RID: 25741
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x400648D")]
		private byte[] FRE;

		// Token: 0x0400648E RID: 25742
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x400648E")]
		private readonly IBlockCipher cipher;

		// Token: 0x0400648F RID: 25743
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x400648F")]
		private readonly int blockSize;

		// Token: 0x04006490 RID: 25744
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x34")]
		[Token(Token = "0x4006490")]
		private int count;

		// Token: 0x04006491 RID: 25745
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4006491")]
		private bool forEncryption;
	}
}