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

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests
{
	// Token: 0x02001DE3 RID: 7651
	[Token(Token = "0x2001DE3")]
	public class TigerDigest : IDigest, IMemoable
	{
		// Token: 0x0600BFD3 RID: 49107 RVA: 0x002B329C File Offset: 0x002B149C
		[Token(Token = "0x600BFD3")]
		[Address(RVA = "0x24A7BF0", Offset = "0x24A6BF0", VA = "0x1824A7BF0")]
		public TigerDigest()
		{
			byte[] array = new byte[8];
			this.Buffer = array;
			long[] array2 = new long[8];
			this.x = array2;
			base..ctor();
			this.Reset();
		}

		// Token: 0x0600BFD4 RID: 49108 RVA: 0x002B32D4 File Offset: 0x002B14D4
		[Token(Token = "0x600BFD4")]
		[Address(RVA = "0x24A7A80", Offset = "0x24A6A80", VA = "0x1824A7A80")]
		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: 0x17001DCB RID: 7627
		// (get) Token: 0x0600BFD5 RID: 49109 RVA: 0x002B33CC File Offset: 0x002B15CC
		[Token(Token = "0x17001DCB")]
		public string AlgorithmName
		{
			[Token(Token = "0x600BFD5")]
			[Address(RVA = "0x24A7C60", Offset = "0x24A6C60", VA = "0x1824A7C60", Slot = "4")]
			get
			{
				return "Tiger";
			}
		}

		// Token: 0x0600BFD6 RID: 49110 RVA: 0x002B33E0 File Offset: 0x002B15E0
		[Token(Token = "0x600BFD6")]
		[Address(RVA = "0xC42F00", Offset = "0xC41F00", VA = "0x180C42F00", Slot = "5")]
		public int GetDigestSize()
		{
			return 24;
		}

		// Token: 0x0600BFD7 RID: 49111 RVA: 0x002B33F0 File Offset: 0x002B15F0
		[Token(Token = "0x600BFD7")]
		[Address(RVA = "0x8BCFC0", Offset = "0x8BBFC0", VA = "0x1808BCFC0", Slot = "6")]
		public int GetByteLength()
		{
			return 64;
		}

		// Token: 0x0600BFD8 RID: 49112 RVA: 0x002B3400 File Offset: 0x002B1600
		[Token(Token = "0x600BFD8")]
		[Address(RVA = "0x24A6C60", Offset = "0x24A5C60", VA = "0x1824A6C60")]
		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: 0x0600BFD9 RID: 49113 RVA: 0x002B3468 File Offset: 0x002B1668
		[Token(Token = "0x600BFD9")]
		[Address(RVA = "0x24A7900", Offset = "0x24A6900", VA = "0x1824A7900", 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: 0x0600BFDA RID: 49114 RVA: 0x002B34B8 File Offset: 0x002B16B8
		[Token(Token = "0x600BFDA")]
		[Address(RVA = "0x24A5B50", Offset = "0x24A4B50", VA = "0x1824A5B50", 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: 0x0600BFDB RID: 49115 RVA: 0x002B357C File Offset: 0x002B177C
		[Token(Token = "0x600BFDB")]
		[Address(RVA = "0x24A7080", Offset = "0x24A6080", VA = "0x1824A7080")]
		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: 0x0600BFDC RID: 49116 RVA: 0x002B3600 File Offset: 0x002B1800
		[Token(Token = "0x600BFDC")]
		[Address(RVA = "0x24A72E0", Offset = "0x24A62E0", VA = "0x1824A72E0")]
		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: 0x0600BFDD RID: 49117 RVA: 0x002B3684 File Offset: 0x002B1884
		[Token(Token = "0x600BFDD")]
		[Address(RVA = "0x24A7540", Offset = "0x24A6540", VA = "0x1824A7540")]
		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: 0x0600BFDE RID: 49118 RVA: 0x002B3708 File Offset: 0x002B1908
		[Token(Token = "0x600BFDE")]
		[Address(RVA = "0x24A6150", Offset = "0x24A5150", VA = "0x1824A6150")]
		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: 0x0600BFDF RID: 49119 RVA: 0x002B3898 File Offset: 0x002B1A98
		[Token(Token = "0x600BFDF")]
		[Address(RVA = "0x24A65E0", Offset = "0x24A55E0", VA = "0x1824A65E0")]
		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: 0x0600BFE0 RID: 49120 RVA: 0x002B3A3C File Offset: 0x002B1C3C
		[Token(Token = "0x600BFE0")]
		[Address(RVA = "0x24A77A0", Offset = "0x24A67A0", VA = "0x1824A77A0")]
		private void UnpackWord(long r, byte[] output, int outOff)
		{
			int num = outOff + 1;
		}

		// Token: 0x0600BFE1 RID: 49121 RVA: 0x002B3A54 File Offset: 0x002B1C54
		[Token(Token = "0x600BFE1")]
		[Address(RVA = "0x24A6C20", Offset = "0x24A5C20", VA = "0x1824A6C20")]
		private void ProcessLength(long bitLength)
		{
			this.x[7] = bitLength;
		}

		// Token: 0x0600BFE2 RID: 49122 RVA: 0x002B3A74 File Offset: 0x002B1C74
		[Token(Token = "0x600BFE2")]
		[Address(RVA = "0x24A6030", Offset = "0x24A5030", VA = "0x1824A6030")]
		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: 0x0600BFE3 RID: 49123 RVA: 0x002B3B2C File Offset: 0x002B1D2C
		[Token(Token = "0x600BFE3")]
		[Address(RVA = "0x24A5E90", Offset = "0x24A4E90", VA = "0x1824A5E90", 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: 0x0600BFE4 RID: 49124 RVA: 0x002B3C28 File Offset: 0x002B1E28
		[Token(Token = "0x600BFE4")]
		[Address(RVA = "0x24A6E70", Offset = "0x24A5E70", VA = "0x1824A6E70", 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: 0x0600BFE5 RID: 49125 RVA: 0x002B3CC8 File Offset: 0x002B1EC8
		[Token(Token = "0x600BFE5")]
		[Address(RVA = "0x24A5D00", Offset = "0x24A4D00", VA = "0x1824A5D00", 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: 0x0600BFE6 RID: 49126 RVA: 0x002B3DC0 File Offset: 0x002B1FC0
		[Token(Token = "0x600BFE6")]
		[Address(RVA = "0x24A6F60", Offset = "0x24A5F60", VA = "0x1824A6F60", 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: 0x0600BFE7 RID: 49127 RVA: 0x002B3E04 File Offset: 0x002B2004
		// Note: this type is marked as 'beforefieldinit'.
		[Token(Token = "0x600BFE7")]
		[Address(RVA = "0x24A7970", Offset = "0x24A6970", VA = "0x1824A7970")]
		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: 0x0400791F RID: 31007
		[Token(Token = "0x400791F")]
		private const int MyByteLength = 64;

		// Token: 0x04007920 RID: 31008
		[Token(Token = "0x4007920")]
		private static readonly long[] t1;

		// Token: 0x04007921 RID: 31009
		[Token(Token = "0x4007921")]
		private static readonly long[] t2;

		// Token: 0x04007922 RID: 31010
		[Token(Token = "0x4007922")]
		private static readonly long[] t3;

		// Token: 0x04007923 RID: 31011
		[Token(Token = "0x4007923")]
		private static readonly long[] t4;

		// Token: 0x04007924 RID: 31012
		[Token(Token = "0x4007924")]
		private const int DigestLength = 24;

		// Token: 0x04007925 RID: 31013
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4007925")]
		private long a;

		// Token: 0x04007926 RID: 31014
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4007926")]
		private long b;

		// Token: 0x04007927 RID: 31015
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4007927")]
		private long c;

		// Token: 0x04007928 RID: 31016
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4007928")]
		private long byteCount;

		// Token: 0x04007929 RID: 31017
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4007929")]
		private byte[] Buffer;

		// Token: 0x0400792A RID: 31018
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x400792A")]
		private int bOff;

		// Token: 0x0400792B RID: 31019
		[FieldOffset(Offset = "0x40")]
		[Token(Token = "0x400792B")]
		private long[] x;

		// Token: 0x0400792C RID: 31020
		[FieldOffset(Offset = "0x48")]
		[Token(Token = "0x400792C")]
		private int xOff;
	}
}