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

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests
{
	// Token: 0x02001DC7 RID: 7623
	[Token(Token = "0x2001DC7")]
	public abstract class GeneralDigest : IDigest, IMemoable
	{
		// Token: 0x0600BE40 RID: 48704 RVA: 0x002A9864 File Offset: 0x002A7A64
		[Token(Token = "0x600BE40")]
		[Address(RVA = "0x25A4C60", Offset = "0x25A3C60", VA = "0x1825A4C60")]
		internal GeneralDigest()
		{
			byte[] array = new byte[4];
			this.xBuf = array;
		}

		// Token: 0x0600BE41 RID: 48705 RVA: 0x002A9888 File Offset: 0x002A7A88
		[Token(Token = "0x600BE41")]
		[Address(RVA = "0x25A4CB0", Offset = "0x25A3CB0", VA = "0x1825A4CB0")]
		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: 0x0600BE42 RID: 48706 RVA: 0x002A98F8 File Offset: 0x002A7AF8
		[Token(Token = "0x600BE42")]
		[Address(RVA = "0x25A4A10", Offset = "0x25A3A10", VA = "0x1825A4A10")]
		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: 0x0600BE43 RID: 48707 RVA: 0x002A9950 File Offset: 0x002A7B50
		[Token(Token = "0x600BE43")]
		[Address(RVA = "0x25A4BE0", Offset = "0x25A3BE0", VA = "0x1825A4BE0", 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: 0x0600BE44 RID: 48708 RVA: 0x002A99A0 File Offset: 0x002A7BA0
		[Token(Token = "0x600BE44")]
		[Address(RVA = "0x25A4820", Offset = "0x25A3820", VA = "0x1825A4820", 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: 0x0600BE45 RID: 48709 RVA: 0x002A9A48 File Offset: 0x002A7C48
		[Token(Token = "0x600BE45")]
		[Address(RVA = "0x25A4A70", Offset = "0x25A3A70", VA = "0x1825A4A70")]
		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: 0x0600BE46 RID: 48710 RVA: 0x002A9AE8 File Offset: 0x002A7CE8
		[Token(Token = "0x600BE46")]
		[Address(RVA = "0x25A4BB0", Offset = "0x25A3BB0", VA = "0x1825A4BB0", 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: 0x0600BE47 RID: 48711 RVA: 0x002A9B24 File Offset: 0x002A7D24
		[Token(Token = "0x600BE47")]
		[Address(RVA = "0x8BCFC0", Offset = "0x8BBFC0", VA = "0x1808BCFC0", Slot = "6")]
		public int GetByteLength()
		{
			return 64;
		}

		// Token: 0x0600BE48 RID: 48712
		[Token(Token = "0x600BE48")]
		[Address(Slot = "14")]
		internal abstract void ProcessWord(byte[] input, int inOff);

		// Token: 0x0600BE49 RID: 48713
		[Token(Token = "0x600BE49")]
		[Address(Slot = "15")]
		internal abstract void ProcessLength(long bitLength);

		// Token: 0x0600BE4A RID: 48714
		[Token(Token = "0x600BE4A")]
		[Address(Slot = "16")]
		internal abstract void ProcessBlock();

		// Token: 0x17001DAC RID: 7596
		// (get) Token: 0x0600BE4B RID: 48715
		[Token(Token = "0x17001DAC")]
		public abstract string AlgorithmName
		{
			[Token(Token = "0x600BE4B")]
			[Address(Slot = "17")]
			get;
		}

		// Token: 0x0600BE4C RID: 48716
		[Token(Token = "0x600BE4C")]
		[Address(Slot = "18")]
		public abstract int GetDigestSize();

		// Token: 0x0600BE4D RID: 48717
		[Token(Token = "0x600BE4D")]
		[Address(Slot = "19")]
		public abstract int DoFinal(byte[] output, int outOff);

		// Token: 0x0600BE4E RID: 48718
		[Token(Token = "0x600BE4E")]
		[Address(Slot = "20")]
		public abstract IMemoable Copy();

		// Token: 0x0600BE4F RID: 48719
		[Token(Token = "0x600BE4F")]
		[Address(Slot = "21")]
		public abstract void Reset(IMemoable t);

		// Token: 0x0400784D RID: 30797
		[Token(Token = "0x400784D")]
		private const int BYTE_LENGTH = 64;

		// Token: 0x0400784E RID: 30798
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400784E")]
		private byte[] xBuf;

		// Token: 0x0400784F RID: 30799
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400784F")]
		private int xBufOff;

		// Token: 0x04007850 RID: 30800
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4007850")]
		private long byteCount;
	}
}