using System;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests
{
	// Token: 0x02001CE7 RID: 7399
	[Token(Token = "0x2001CE7")]
	public abstract class GeneralDigest : IDigest, IMemoable
	{
		// Token: 0x0600BA72 RID: 47730 RVA: 0x002A0EBC File Offset: 0x0029F0BC
		[Token(Token = "0x600BA72")]
		[Address(RVA = "0x1B3D150", Offset = "0x1B3BF50", VA = "0x181B3D150")]
		internal GeneralDigest()
		{
			byte[] array = new byte[4];
			this.xBuf = array;
		}

		// Token: 0x0600BA73 RID: 47731 RVA: 0x002A0EE0 File Offset: 0x0029F0E0
		[Token(Token = "0x600BA73")]
		[Address(RVA = "0x1B3D1A0", Offset = "0x1B3BFA0", VA = "0x181B3D1A0")]
		internal GeneralDigest(GeneralDigest t)
		{
			byte[] array = new byte[t.xBuf.Length];
			this.xBuf = array;
			byte[] array2 = t.xBuf;
			int length = array2.Length;
			int num = 0;
			int num2 = 0;
			Array.Copy(array2, num2, array, num, length);
			int num3 = t.xBufOff;
			this.xBufOff = num3;
			long num4 = t.byteCount;
			this.byteCount = num4;
		}

		// Token: 0x0600BA74 RID: 47732 RVA: 0x002A0F50 File Offset: 0x0029F150
		[Token(Token = "0x600BA74")]
		[Address(RVA = "0x1B3CF00", Offset = "0x1B3BD00", VA = "0x181B3CF00")]
		protected void CopyIn(GeneralDigest t)
		{
			byte[] array = t.xBuf;
			int length = array.Length;
			int num = 0;
			byte[] array2 = this.xBuf;
			int num2 = 0;
			Array.Copy(array, num2, array2, num, length);
			int num3 = t.xBufOff;
			this.xBufOff = num3;
			long num4 = t.byteCount;
			this.byteCount = num4;
		}

		// Token: 0x0600BA75 RID: 47733 RVA: 0x002A0FA8 File Offset: 0x0029F1A8
		[Token(Token = "0x600BA75")]
		[Address(RVA = "0x1B3D0D0", Offset = "0x1B3BED0", VA = "0x181B3D0D0", Slot = "7")]
		public void Update(byte input)
		{
			byte[] array = this.xBuf;
			int num = this.xBufOff + 1;
			this.xBufOff = num;
			int length = this.xBuf.Length;
			if (this.xBufOff == length)
			{
				this.Reset();
				this.xBufOff = (int)((ulong)0L);
			}
		}

		// Token: 0x0600BA76 RID: 47734 RVA: 0x002A0FF8 File Offset: 0x0029F1F8
		[Token(Token = "0x600BA76")]
		[Address(RVA = "0x1B3CD10", Offset = "0x1B3BB10", VA = "0x181B3CD10", Slot = "8")]
		public void BlockUpdate(byte[] input, int inOff, int length)
		{
			int num = Math.Max(0, length);
			int num2 = this.xBufOff;
			int num3 = 0;
			if (num2 != 0 && num > 0)
			{
				byte[] array = this.xBuf;
				int num4 = num2 + 1;
				this.xBufOff = num4;
				num3++;
				num3 += inOff;
				int num5 = this.xBufOff;
				if (num5 == 4)
				{
					this.Reset();
					this.xBufOff = (int)((ulong)0L);
					throw new NullReferenceException();
				}
			}
			num -= num3;
			num += num3;
			if (num3 < num)
			{
				this.Reset();
				num3 += 4;
			}
			if (num3 < num)
			{
				int num6 = this.xBufOff;
				byte[] array2 = this.xBuf;
				int num7 = num6 + 1;
				this.xBufOff = num7;
				num3++;
				num3 += inOff;
			}
		}

		// Token: 0x0600BA77 RID: 47735 RVA: 0x002A10A0 File Offset: 0x0029F2A0
		[Token(Token = "0x600BA77")]
		[Address(RVA = "0x1B3CF60", Offset = "0x1B3BD60", VA = "0x181B3CF60")]
		public void Finish()
		{
			byte[] array = this.xBuf;
			int num = this.xBufOff + 1;
			this.xBufOff = num;
			byte[] array2 = this.xBuf;
			int num2 = this.xBufOff;
			int num3 = 0;
			if (num2 == array2.Length)
			{
				this.Reset();
				this.xBufOff = num3;
			}
			if (num2 != 0)
			{
				byte[] array3 = this.xBuf;
				int num4 = num2 + 1;
				this.xBufOff = num4;
				byte[] array4 = this.xBuf;
				if (this.xBufOff == array4.Length)
				{
					this.Reset();
					this.xBufOff = num3;
				}
				while (num3 != 0)
				{
				}
			}
			this.ProcessBlock();
		}

		// Token: 0x0600BA78 RID: 47736 RVA: 0x002A1140 File Offset: 0x0029F340
		[Token(Token = "0x600BA78")]
		[Address(RVA = "0x1B3D0A0", Offset = "0x1B3BEA0", VA = "0x181B3D0A0", Slot = "13")]
		public virtual void Reset()
		{
			int num = 0;
			this.byteCount = (long)num;
			this.xBufOff = num;
			byte[] array = this.xBuf;
			int length = array.Length;
			int num2 = 0;
			Array.Clear(array, num2, length);
		}

		// Token: 0x0600BA79 RID: 47737 RVA: 0x002A117C File Offset: 0x0029F37C
		[Token(Token = "0x600BA79")]
		[Address(RVA = "0x1B31440", Offset = "0x1B30240", VA = "0x181B31440", Slot = "6")]
		public int GetByteLength()
		{
			return 64;
		}

		// Token: 0x0600BA7A RID: 47738
		[Token(Token = "0x600BA7A")]
		[Address(Slot = "14")]
		internal abstract void ProcessWord(byte[] input, int inOff);

		// Token: 0x0600BA7B RID: 47739
		[Token(Token = "0x600BA7B")]
		[Address(Slot = "15")]
		internal abstract void ProcessLength(long bitLength);

		// Token: 0x0600BA7C RID: 47740
		[Token(Token = "0x600BA7C")]
		[Address(Slot = "16")]
		internal abstract void ProcessBlock();

		// Token: 0x17001D0F RID: 7439
		// (get) Token: 0x0600BA7D RID: 47741
		[Token(Token = "0x17001D0F")]
		public abstract string AlgorithmName
		{
			[Token(Token = "0x600BA7D")]
			[Address(Slot = "17")]
			get;
		}

		// Token: 0x0600BA7E RID: 47742
		[Token(Token = "0x600BA7E")]
		[Address(Slot = "18")]
		public abstract int GetDigestSize();

		// Token: 0x0600BA7F RID: 47743
		[Token(Token = "0x600BA7F")]
		[Address(Slot = "19")]
		public abstract int DoFinal(byte[] output, int outOff);

		// Token: 0x0600BA80 RID: 47744
		[Token(Token = "0x600BA80")]
		[Address(Slot = "20")]
		public abstract IMemoable Copy();

		// Token: 0x0600BA81 RID: 47745
		[Token(Token = "0x600BA81")]
		[Address(Slot = "21")]
		public abstract void Reset(IMemoable t);

		// Token: 0x04007694 RID: 30356
		[Token(Token = "0x4007694")]
		private const int BYTE_LENGTH = 64;

		// Token: 0x04007695 RID: 30357
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4007695")]
		private byte[] xBuf;

		// Token: 0x04007696 RID: 30358
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4007696")]
		private int xBufOff;

		// Token: 0x04007697 RID: 30359
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4007697")]
		private long byteCount;
	}
}