using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests
{
	// Token: 0x02001726 RID: 5926
	[Token(Token = "0x2001726")]
	[StructLayout(3)]
	public class TigerDigest : IDigest, IMemoable
	{
		// Token: 0x0600A02B RID: 41003 RVA: 0x002525F4 File Offset: 0x002507F4
		[Token(Token = "0x600A02B")]
		[Address(RVA = "0x2064550", Offset = "0x2062F50", VA = "0x182064550")]
		public TigerDigest()
		{
			byte[] array = new byte[8];
			this.Buffer = array;
			long[] array2 = new long[8];
			this.x = array2;
			base..ctor();
			this.Reset();
		}

		// Token: 0x0600A02C RID: 41004 RVA: 0x0025262C File Offset: 0x0025082C
		[Token(Token = "0x600A02C")]
		[Address(RVA = "0x20643E0", Offset = "0x2062DE0", VA = "0x1820643E0")]
		public TigerDigest(TigerDigest t)
		{
			do
			{
				byte[] array = new byte[8];
				this.Buffer = array;
				long[] array2 = new long[8];
				this.x = array2;
				base..ctor();
			}
			while (t == 0);
			long num = t.a;
			this.a = num;
			long num2 = t.b;
			this.b = num2;
			long num3 = t.c;
			this.c = num3;
			long[] array3 = t.x;
			int length = array3.Length;
			int num4 = 0;
			long[] array4 = this.x;
			int num5 = 0;
			Array.Copy(array3, num5, array4, num4, length);
			int num6 = t.xOff;
			this.xOff = num6;
			byte[] buffer = t.Buffer;
			int length2 = buffer.Length;
			int num7 = 0;
			byte[] buffer2 = this.Buffer;
			int num8 = 0;
			Array.Copy(buffer, num8, buffer2, num7, length2);
			int num9 = t.bOff;
			this.bOff = num9;
			long num10 = t.byteCount;
			this.byteCount = num10;
		}

		// Token: 0x1700192D RID: 6445
		// (get) Token: 0x0600A02D RID: 41005 RVA: 0x00252724 File Offset: 0x00250924
		[Token(Token = "0x1700192D")]
		public string AlgorithmName
		{
			[Token(Token = "0x600A02D")]
			[Address(RVA = "0x20645C0", Offset = "0x2062FC0", VA = "0x1820645C0", Slot = "4")]
			get
			{
				return "Tiger";
			}
		}

		// Token: 0x0600A02E RID: 41006 RVA: 0x00252738 File Offset: 0x00250938
		[Token(Token = "0x600A02E")]
		[Address(RVA = "0x11E7910", Offset = "0x11E6310", VA = "0x1811E7910", Slot = "5")]
		public int GetDigestSize()
		{
			return 24;
		}

		// Token: 0x0600A02F RID: 41007 RVA: 0x00252748 File Offset: 0x00250948
		[Token(Token = "0x600A02F")]
		[Address(RVA = "0x2062AA0", Offset = "0x20614A0", VA = "0x182062AA0", Slot = "6")]
		public int GetByteLength()
		{
			return 64;
		}

		// Token: 0x0600A030 RID: 41008 RVA: 0x00252758 File Offset: 0x00250958
		[Token(Token = "0x600A030")]
		[Address(RVA = "0x20635C0", Offset = "0x2061FC0", VA = "0x1820635C0")]
		private void ProcessWord(byte[] b, int off)
		{
			int num = this.xOff;
			long[] array = this.x;
			int num2 = num + 1;
			this.xOff = num2;
			int length = b.Length;
			int num3 = off + 1;
			byte b2;
			array[0] = (long)b2;
			int length2 = this.x.Length;
			if (this.xOff == length2)
			{
				this.ProcessBlock();
			}
			this.bOff = (int)((ulong)0L);
		}

		// Token: 0x0600A031 RID: 41009 RVA: 0x002527C0 File Offset: 0x002509C0
		[Token(Token = "0x600A031")]
		[Address(RVA = "0x2064260", Offset = "0x2062C60", VA = "0x182064260", Slot = "7")]
		public void Update(byte input)
		{
			byte[] buffer = this.Buffer;
			int num = this.bOff + 1;
			this.bOff = num;
			byte[] buffer2 = this.Buffer;
			int length = buffer2.Length;
			if (this.bOff == length)
			{
				int num2 = 0;
				this.ProcessWord(buffer2, num2);
			}
		}

		// Token: 0x0600A032 RID: 41010 RVA: 0x00252810 File Offset: 0x00250A10
		[Token(Token = "0x600A032")]
		[Address(RVA = "0x20624A0", Offset = "0x2060EA0", VA = "0x1820624A0", Slot = "8")]
		public void BlockUpdate(byte[] input, int inOff, int length)
		{
			int num = this.bOff;
			int num2;
			if (num != 0 && length > 0)
			{
				byte[] buffer = this.Buffer;
				num2 = num + 1;
				this.bOff = num2;
				num2 = num;
				byte[] buffer2 = this.Buffer;
				int num3 = this.bOff;
				if (num3 == buffer2.Length)
				{
					int num4 = 0;
					this.ProcessWord(buffer2, num4);
				}
				while (num3 != 0)
				{
				}
			}
			if (length > 8)
			{
				num2++;
				this.ProcessWord(input, inOff);
				while (length != 8)
				{
				}
			}
			if (length > 0)
			{
				int num5 = this.bOff;
				byte[] buffer3 = this.Buffer;
				num2 = inOff;
				int num6 = num5 + 1;
				this.bOff = num6;
				byte[] buffer4 = this.Buffer;
				int length2 = buffer4.Length;
				if (this.bOff == length2)
				{
					int num7 = 0;
					this.ProcessWord(buffer4, num7);
				}
			}
		}

		// Token: 0x0600A033 RID: 41011 RVA: 0x002528D4 File Offset: 0x00250AD4
		[Token(Token = "0x600A033")]
		[Address(RVA = "0x20639E0", Offset = "0x20623E0", VA = "0x1820639E0")]
		private void RoundABC(long x, long mul)
		{
			long num = this.a;
			long[] array = TigerDigest.t1;
			long num2 = this.c;
			long[] array2 = TigerDigest.t2;
			long num3 = this.c;
			long[] array3 = TigerDigest.t3;
			long num4 = TigerDigest.t4[(int)num3];
			num -= num4;
			this.a = num;
			long[] array4 = TigerDigest.t4;
			long[] array5 = TigerDigest.t3;
			long[] array6 = TigerDigest.t2;
			long num5 = TigerDigest.t1[(int)num3] * mul;
			this.b = num5;
		}

		// Token: 0x0600A034 RID: 41012 RVA: 0x00252958 File Offset: 0x00250B58
		[Token(Token = "0x600A034")]
		[Address(RVA = "0x2063C40", Offset = "0x2062640", VA = "0x182063C40")]
		private void RoundBCA(long x, long mul)
		{
			long num = this.b;
			long[] array = TigerDigest.t1;
			long num2 = this.a;
			long[] array2 = TigerDigest.t2;
			long num3 = this.a;
			long[] array3 = TigerDigest.t3;
			long num4 = TigerDigest.t4[(int)num3];
			num -= num4;
			this.b = num;
			long[] array4 = TigerDigest.t4;
			long[] array5 = TigerDigest.t3;
			long[] array6 = TigerDigest.t2;
			long num5 = TigerDigest.t1[(int)num3] * mul;
			this.c = num5;
		}

		// Token: 0x0600A035 RID: 41013 RVA: 0x002529DC File Offset: 0x00250BDC
		[Token(Token = "0x600A035")]
		[Address(RVA = "0x2063EA0", Offset = "0x20628A0", VA = "0x182063EA0")]
		private void RoundCAB(long x, long mul)
		{
			long num = this.c;
			long[] array = TigerDigest.t1;
			long num2 = this.b;
			long[] array2 = TigerDigest.t2;
			long num3 = this.b;
			long[] array3 = TigerDigest.t3;
			long num4 = TigerDigest.t4[(int)num3];
			num -= num4;
			this.c = num;
			long[] array4 = TigerDigest.t4;
			long[] array5 = TigerDigest.t3;
			long[] array6 = TigerDigest.t2;
			long num5 = TigerDigest.t1[(int)num3] * mul;
			this.a = num5;
		}

		// Token: 0x0600A036 RID: 41014 RVA: 0x00252A60 File Offset: 0x00250C60
		[Token(Token = "0x600A036")]
		[Address(RVA = "0x2062AB0", Offset = "0x20614B0", VA = "0x182062AB0")]
		private void KeySchedule()
		{
			long[] array = this.x;
			int length = array.Length;
			long num = array[0];
			long num2 = array[7];
			num -= num2;
			array[0] = num;
			long[] array2 = this.x;
			long[] array3 = this.x;
			long[] array4 = this.x;
			int length2 = array4.Length;
			long num3 = array4[3];
			long num4 = array4[1];
			num3 -= num4;
			array4[3] = num3;
			long[] array5 = this.x;
			long[] array6 = this.x;
			long[] array7 = this.x;
			int length3 = array7.Length;
			long num5 = array7[6];
			long num6 = array7[4];
			num5 -= num6;
			array7[6] = num5;
			long[] array8 = this.x;
			long[] array9 = this.x;
			int length4 = array9.Length;
			long num7 = array9[0];
			array9[0] = num7;
			long[] array10 = this.x;
			int length5 = array10.Length;
			long num8 = array10[1];
			long num9 = array10[7];
			num8 -= num9;
			array10[1] = num8;
			long[] array11 = this.x;
			long[] array12 = this.x;
			long[] array13 = this.x;
			int length6 = array13.Length;
			long num10 = array13[4];
			long num11 = array13[2];
			num10 -= num11;
			array13[4] = num10;
			long[] array14 = this.x;
			long[] array15 = this.x;
			long num12 = this.x[6];
		}

		// Token: 0x0600A037 RID: 41015 RVA: 0x00252BF0 File Offset: 0x00250DF0
		[Token(Token = "0x600A037")]
		[Address(RVA = "0x2062F40", Offset = "0x2061940", VA = "0x182062F40")]
		private void ProcessBlock()
		{
			long num = this.x[0];
			long num2 = this.x[1];
			long num3 = this.x[2];
			long num4 = this.x[3];
			long num5 = this.x[4];
			long num6 = this.x[5];
			long num7 = this.x[6];
			long num8 = this.x[7];
			this.KeySchedule();
			long num9 = this.x[0];
			long num10 = this.x[1];
			long num11 = this.x[2];
			long num12 = this.x[3];
			long num13 = this.x[4];
			long num14 = this.x[5];
			long num15 = this.x[6];
			long num16 = this.x[7];
			this.KeySchedule();
			long num17 = this.x[0];
			long num18 = this.x[1];
			long num19 = this.x[2];
			long num20 = this.x[3];
			long num21 = this.x[4];
			long num22 = this.x[5];
			long num23 = this.x[6];
			long num24 = this.x[7];
			long[] array = this.x;
			int num25 = 0;
			this.xOff = num25;
			if (num25 != array.Length)
			{
				num25++;
				array[0] = (long)num25;
				long[] array2 = this.x;
			}
		}

		// Token: 0x0600A038 RID: 41016 RVA: 0x00252D94 File Offset: 0x00250F94
		[Token(Token = "0x600A038")]
		[Address(RVA = "0x2064100", Offset = "0x2062B00", VA = "0x182064100")]
		private void UnpackWord(long r, byte[] output, int outOff)
		{
			int num = outOff + 1;
		}

		// Token: 0x0600A039 RID: 41017 RVA: 0x00252DAC File Offset: 0x00250FAC
		[Token(Token = "0x600A039")]
		[Address(RVA = "0x2063580", Offset = "0x2061F80", VA = "0x182063580")]
		private void ProcessLength(long bitLength)
		{
			this.x[7] = bitLength;
		}

		// Token: 0x0600A03A RID: 41018 RVA: 0x00252DCC File Offset: 0x00250FCC
		[Token(Token = "0x600A03A")]
		[Address(RVA = "0x2062980", Offset = "0x2061380", VA = "0x182062980")]
		private void Finish()
		{
			long num;
			for (;;)
			{
				num = this.byteCount;
				byte[] buffer = this.Buffer;
				int num2 = this.bOff + 1;
				this.bOff = num2;
				byte[] buffer2 = this.Buffer;
				int num3 = this.bOff;
				if (num3 == buffer2.Length)
				{
					int num4 = 0;
					this.ProcessWord(buffer2, num4);
				}
				if (num3 == 0)
				{
					break;
				}
				byte[] buffer3 = this.Buffer;
				int num5 = num3 + 1;
				this.bOff = num5;
				byte[] buffer4 = this.Buffer;
				if (this.bOff == buffer4.Length)
				{
					int num6 = 0;
					this.ProcessWord(buffer4, num6);
					if (this.bOff == 0)
					{
						break;
					}
				}
			}
			this.x[7] = num;
			this.ProcessBlock();
		}

		// Token: 0x0600A03B RID: 41019 RVA: 0x00252E84 File Offset: 0x00251084
		[Token(Token = "0x600A03B")]
		[Address(RVA = "0x20627E0", Offset = "0x20611E0", VA = "0x1820627E0", Slot = "9")]
		public int DoFinal(byte[] output, int outOff)
		{
			long num;
			for (;;)
			{
				num = this.byteCount;
				byte[] buffer = this.Buffer;
				int num2 = this.bOff + 1;
				this.bOff = num2;
				byte[] buffer2 = this.Buffer;
				int num3 = this.bOff;
				if (num3 == buffer2.Length)
				{
					int num4 = 0;
					this.ProcessWord(buffer2, num4);
				}
				if (num3 == 0)
				{
					break;
				}
				byte[] buffer3 = this.Buffer;
				int num5 = num3 + 1;
				this.bOff = num5;
				byte[] buffer4 = this.Buffer;
				if (this.bOff == buffer4.Length)
				{
					int num6 = 0;
					this.ProcessWord(buffer4, num6);
					if (this.bOff == 0)
					{
						break;
					}
				}
			}
			this.x[7] = num;
			this.ProcessBlock();
			long num7 = this.a;
			this.UnpackWord(num7, output, outOff);
			long num8 = this.b;
			this.UnpackWord(num8, output, outOff);
			long num9 = this.c;
			this.UnpackWord(num9, output, outOff);
			this.Reset();
			return 24;
		}

		// Token: 0x0600A03C RID: 41020 RVA: 0x00252F80 File Offset: 0x00251180
		[Token(Token = "0x600A03C")]
		[Address(RVA = "0x20637D0", Offset = "0x20621D0", VA = "0x1820637D0", Slot = "10")]
		public void Reset()
		{
			int num;
			do
			{
				num = 0;
				this.a = (long)((ulong)81985529216486895L);
				this.xOff = num;
				this.b = (long)((ulong)(-81985529216486896L));
				this.c = (long)((ulong)(-1110518062304271993L));
				long[] array = this.x;
				if (num != array.Length)
				{
					num++;
					array[0] = (long)num;
					long[] array2 = this.x;
				}
				byte[] buffer = this.Buffer;
				this.bOff = num;
				if (num == buffer.Length)
				{
					break;
				}
				num++;
			}
			while (this.Buffer != 0);
			this.byteCount = (long)num;
		}

		// Token: 0x0600A03D RID: 41021 RVA: 0x00253020 File Offset: 0x00251220
		[Token(Token = "0x600A03D")]
		[Address(RVA = "0x2062650", Offset = "0x2061050", VA = "0x182062650", Slot = "11")]
		public IMemoable Copy()
		{
			TigerDigest tigerDigest;
			do
			{
				tigerDigest = new TigerDigest();
				byte[] array = new byte[8];
				tigerDigest.Buffer = array;
				long[] array2 = new long[8];
				tigerDigest.x = array2;
			}
			while (this == 0);
			long num = this.a;
			tigerDigest.a = num;
			long num2 = this.b;
			tigerDigest.b = num2;
			long num3 = this.c;
			tigerDigest.c = num3;
			long[] array3 = this.x;
			int length = array3.Length;
			int num4 = 0;
			long[] array4 = tigerDigest.x;
			int num5 = 0;
			Array.Copy(array3, num5, array4, num4, length);
			int num6 = this.xOff;
			tigerDigest.xOff = num6;
			byte[] buffer = this.Buffer;
			int length2 = buffer.Length;
			int num7 = 0;
			byte[] buffer2 = tigerDigest.Buffer;
			int num8 = 0;
			Array.Copy(buffer, num8, buffer2, num7, length2);
			int num9 = this.bOff;
			tigerDigest.bOff = num9;
			long num10 = this.byteCount;
			tigerDigest.byteCount = num10;
			throw new NullReferenceException();
		}

		// Token: 0x0600A03E RID: 41022 RVA: 0x00253118 File Offset: 0x00251318
		[Token(Token = "0x600A03E")]
		[Address(RVA = "0x20638C0", Offset = "0x20622C0", VA = "0x1820638C0", Slot = "12")]
		public void Reset(IMemoable other)
		{
			int num;
			do
			{
				num = 0;
			}
			while (other == 0);
			this.a = (long)num;
			this.b = (long)num;
			this.c = (long)num;
			this.xOff = num;
			this.bOff = num;
			this.byteCount = (long)num;
		}

		// Token: 0x0600A03F RID: 41023 RVA: 0x0025315C File Offset: 0x0025135C
		// Note: this type is marked as 'beforefieldinit'.
		[Token(Token = "0x600A03F")]
		[Address(RVA = "0x20642D0", Offset = "0x2062CD0", VA = "0x1820642D0")]
		static TigerDigest()
		{
			long[] array = new long[256];
			RuntimeHelpers.InitializeArray(array, fieldof(<PrivateImplementationDetails>.A0FABB8173BA247898A9FA267D0CE05500B667A0).FieldHandle);
			TigerDigest.t1 = array;
			long[] array2 = new long[256];
			RuntimeHelpers.InitializeArray(array2, fieldof(<PrivateImplementationDetails>.467C6758F235D3193618192A64129CBB602C9067).FieldHandle);
			TigerDigest.t2 = array2;
			long[] array3 = new long[256];
			RuntimeHelpers.InitializeArray(array3, fieldof(<PrivateImplementationDetails>.1648F737A4CFFDA4E6C83A3D742109BF9DBC2446).FieldHandle);
			TigerDigest.t3 = array3;
			long[] array4 = new long[256];
			RuntimeHelpers.InitializeArray(array4, fieldof(<PrivateImplementationDetails>.C079C42AC966756C902EC38C4D7989F3C20D3625).FieldHandle);
			TigerDigest.t4 = array4;
		}

		// Token: 0x04006923 RID: 26915
		[Token(Token = "0x4006923")]
		private const int MyByteLength = 64;

		// Token: 0x04006924 RID: 26916
		[Token(Token = "0x4006924")]
		private static readonly long[] t1;

		// Token: 0x04006925 RID: 26917
		[Token(Token = "0x4006925")]
		private static readonly long[] t2;

		// Token: 0x04006926 RID: 26918
		[Token(Token = "0x4006926")]
		private static readonly long[] t3;

		// Token: 0x04006927 RID: 26919
		[Token(Token = "0x4006927")]
		private static readonly long[] t4;

		// Token: 0x04006928 RID: 26920
		[Token(Token = "0x4006928")]
		private const int DigestLength = 24;

		// Token: 0x04006929 RID: 26921
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4006929")]
		private long a;

		// Token: 0x0400692A RID: 26922
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400692A")]
		private long b;

		// Token: 0x0400692B RID: 26923
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x400692B")]
		private long c;

		// Token: 0x0400692C RID: 26924
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x400692C")]
		private long byteCount;

		// Token: 0x0400692D RID: 26925
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x400692D")]
		private byte[] Buffer;

		// Token: 0x0400692E RID: 26926
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
		[Token(Token = "0x400692E")]
		private int bOff;

		// Token: 0x0400692F RID: 26927
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
		[Token(Token = "0x400692F")]
		private long[] x;

		// Token: 0x04006930 RID: 26928
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x48")]
		[Token(Token = "0x4006930")]
		private int xOff;
	}
}