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

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests
{
	// Token: 0x02001DCA RID: 7626
	[Token(Token = "0x2001DCA")]
	public class MD2Digest : IDigest, IMemoable
	{
		// Token: 0x0600BE80 RID: 48768 RVA: 0x002AB048 File Offset: 0x002A9248
		[Token(Token = "0x600BE80")]
		[Address(RVA = "0x25AD600", Offset = "0x25AC600", VA = "0x1825AD600")]
		public MD2Digest()
		{
			byte[] array = new byte[48];
			this.X = array;
			byte[] array2 = new byte[16];
			this.M = array2;
			byte[] array3 = new byte[16];
			this.C = array3;
			base..ctor();
			this.Reset();
		}

		// Token: 0x0600BE81 RID: 48769 RVA: 0x002AB090 File Offset: 0x002A9290
		[Token(Token = "0x600BE81")]
		[Address(RVA = "0x25AD680", Offset = "0x25AC680", VA = "0x1825AD680")]
		public MD2Digest(MD2Digest t)
		{
			byte[] array = new byte[48];
			this.X = array;
			byte[] array2 = new byte[16];
			this.M = array2;
			byte[] array3 = new byte[16];
			this.C = array3;
			base..ctor();
			this.CopyIn(t);
		}

		// Token: 0x0600BE82 RID: 48770 RVA: 0x002AB0D8 File Offset: 0x002A92D8
		[Token(Token = "0x600BE82")]
		[Address(RVA = "0x25ACD70", Offset = "0x25ABD70", VA = "0x1825ACD70")]
		private void CopyIn(MD2Digest t)
		{
			byte[] x = t.X;
			int length = x.Length;
			int num = 0;
			byte[] x2 = this.X;
			int num2 = 0;
			Array.Copy(x, num2, x2, num, length);
			int num3 = t.xOff;
			this.xOff = num3;
			byte[] m = t.M;
			int length2 = m.Length;
			int num4 = 0;
			byte[] m2 = this.M;
			int num5 = 0;
			Array.Copy(m, num5, m2, num4, length2);
			int num6 = t.mOff;
			this.mOff = num6;
			byte[] c = t.C;
			int length3 = c.Length;
			int num7 = 0;
			byte[] c2 = this.C;
			int num8 = 0;
			Array.Copy(c, num8, c2, num7, length3);
			int coff = t.COff;
			this.COff = coff;
		}

		// Token: 0x17001DAF RID: 7599
		// (get) Token: 0x0600BE83 RID: 48771 RVA: 0x002AB19C File Offset: 0x002A939C
		[Token(Token = "0x17001DAF")]
		public string AlgorithmName
		{
			[Token(Token = "0x600BE83")]
			[Address(RVA = "0x25AD710", Offset = "0x25AC710", VA = "0x1825AD710", Slot = "4")]
			get
			{
				return "MD2";
			}
		}

		// Token: 0x0600BE84 RID: 48772 RVA: 0x002AB1B0 File Offset: 0x002A93B0
		[Token(Token = "0x600BE84")]
		[Address(RVA = "0x8BB9C0", Offset = "0x8BA9C0", VA = "0x1808BB9C0", Slot = "5")]
		public int GetDigestSize()
		{
			return 16;
		}

		// Token: 0x0600BE85 RID: 48773 RVA: 0x002AB1C0 File Offset: 0x002A93C0
		[Token(Token = "0x600BE85")]
		[Address(RVA = "0x8BB9C0", Offset = "0x8BA9C0", VA = "0x1808BB9C0", Slot = "6")]
		public int GetByteLength()
		{
			return 16;
		}

		// Token: 0x0600BE86 RID: 48774 RVA: 0x002AB1D0 File Offset: 0x002A93D0
		[Token(Token = "0x600BE86")]
		[Address(RVA = "0x25ACEF0", Offset = "0x25ABEF0", VA = "0x1825ACEF0", Slot = "9")]
		public int DoFinal(byte[] output, int outOff)
		{
			byte[] m = this.M;
			int length = m.Length;
			int num = this.mOff;
			byte[] m2;
			if (num < m.Length)
			{
				num++;
				m2 = this.M;
			}
			this.ProcessChecksum(m2);
			byte[] m3 = this.M;
			this.ProcessBlock(m3);
			byte[] c = this.C;
			this.ProcessBlock(c);
			int num2 = this.xOff;
			ulong num3;
			Array.Copy(this.X, num2, output, outOff, (int)num3);
			this.Reset();
			throw new NullReferenceException();
		}

		// Token: 0x0600BE87 RID: 48775 RVA: 0x002AB254 File Offset: 0x002A9454
		[Token(Token = "0x600BE87")]
		[Address(RVA = "0x25AD370", Offset = "0x25AC370", VA = "0x1825AD370", Slot = "10")]
		public void Reset()
		{
			do
			{
				int num = 0;
				this.xOff = num;
				byte[] x = this.X;
				if (num != x.Length)
				{
					num++;
					byte[] x2 = this.X;
				}
				byte[] m = this.M;
				this.mOff = num;
				if (num != m.Length)
				{
					num++;
					if (this.M != 0)
					{
						continue;
					}
				}
				byte[] c = this.C;
				this.COff = num;
				if (num == c.Length)
				{
					break;
				}
				num++;
			}
			while (this.C != 0);
		}

		// Token: 0x0600BE88 RID: 48776 RVA: 0x002AB2D8 File Offset: 0x002A94D8
		[Token(Token = "0x600BE88")]
		[Address(RVA = "0x25AD530", Offset = "0x25AC530", VA = "0x1825AD530", Slot = "7")]
		public void Update(byte input)
		{
			byte[] m = this.M;
			int num = this.mOff + 1;
			this.mOff = num;
			if (this.mOff == 16)
			{
				byte[] m2 = this.M;
				this.ProcessChecksum(m2);
				byte[] m3 = this.M;
				this.ProcessBlock(m3);
				this.mOff = (int)((ulong)0L);
			}
		}

		// Token: 0x0600BE89 RID: 48777 RVA: 0x002AB334 File Offset: 0x002A9534
		[Token(Token = "0x600BE89")]
		[Address(RVA = "0x25ACBA0", Offset = "0x25ABBA0", VA = "0x1825ACBA0", Slot = "8")]
		public void BlockUpdate(byte[] input, int inOff, int length)
		{
			int num = 0;
			int num2 = this.mOff;
			int num3;
			if (num2 != 0 && length > 0)
			{
				byte[] m = this.M;
				num3 = num2 + 1;
				this.mOff = num3;
				num3 = num2;
				int num4 = this.mOff;
				if (num4 == 16)
				{
					byte[] m2 = this.M;
					this.ProcessChecksum(m2);
					byte[] m3 = this.M;
					this.ProcessBlock(m3);
					this.mOff = num;
				}
				while (num4 != 0)
				{
				}
			}
			if (length > 16)
			{
				num3++;
				byte[] m4 = this.M;
				int num5 = 0;
				ulong num6;
				Array.Copy(input, inOff, m4, num5, (int)num6);
				byte[] m5 = this.M;
				this.ProcessChecksum(m5);
				byte[] m6 = this.M;
				this.ProcessBlock(m6);
				while (length != 16)
				{
				}
			}
			if (length > 0)
			{
				int num7 = this.mOff;
				byte[] m7 = this.M;
				num3 = inOff;
				int num8 = num7 + 1;
				this.mOff = num8;
				if (this.mOff == 16)
				{
					byte[] m8 = this.M;
					this.ProcessChecksum(m8);
					byte[] m9 = this.M;
					this.ProcessBlock(m9);
					this.mOff = num;
				}
			}
		}

		// Token: 0x0600BE8A RID: 48778 RVA: 0x002AB448 File Offset: 0x002A9648
		[Token(Token = "0x600BE8A")]
		[Address(RVA = "0x25AD1F0", Offset = "0x25AC1F0", VA = "0x1825AD1F0")]
		internal void ProcessChecksum(byte[] m)
		{
			byte b = this.C[1];
			int num = 0;
			byte[] s = MD2Digest.S;
			byte[] c = this.C;
			num++;
		}

		// Token: 0x0600BE8B RID: 48779 RVA: 0x002AB47C File Offset: 0x002A967C
		[Token(Token = "0x600BE8B")]
		[Address(RVA = "0x25ACFE0", Offset = "0x25ABFE0", VA = "0x1825ACFE0")]
		internal void ProcessBlock(byte[] m)
		{
			int num = 0;
			byte[] x = this.X;
			int length = this.X.Length;
			num++;
			int num2 = 0;
			int num3 = 0;
			byte[] x2 = this.X;
			num3 += x2;
			byte[] s = MD2Digest.S;
			num3++;
			byte b = (byte)((int)b + num2);
			if (num3 < 48)
			{
			}
			num2++;
		}

		// Token: 0x0600BE8C RID: 48780 RVA: 0x002AB4E0 File Offset: 0x002A96E0
		[Token(Token = "0x600BE8C")]
		[Address(RVA = "0x25ACE30", Offset = "0x25ABE30", VA = "0x1825ACE30", Slot = "11")]
		public IMemoable Copy()
		{
			/*
An exception occurred when decompiling this method (0600BE8C)

ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IMemoable BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests.MD2Digest::Copy()

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	Block_0:
	stloc:MD2Digest(var_0_05, newobj:MD2Digest(MD2Digest::.ctor))
	stloc:uint8[](var_1_0D, newarr:uint8[]([mscorlib]System.Byte, ldc.i4:int32(48)))
	stfld:uint8[](MD2Digest::X, ldloc:MD2Digest(var_0_05), ldloc:uint8[](var_1_0D))
	stloc:uint8[](var_2_1C, newarr:uint8[]([mscorlib]System.Byte, ldc.i4:int32(16)))
	stfld:uint8[](MD2Digest::M, ldloc:MD2Digest(var_0_05), ldloc:uint8[](var_2_1C))
	stloc:uint8[](var_3_2B, newarr:uint8[]([mscorlib]System.Byte, ldc.i4:int32(16)))
	stfld:uint8[](MD2Digest::C, ldloc:MD2Digest(var_0_05), ldloc:uint8[](var_3_2B))
	call:void(MD2Digest::CopyIn, ldloc:MD2Digest(var_0_05), ldloc:MD2Digest(this))
}

   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663
*/;
		}

		// Token: 0x0600BE8D RID: 48781 RVA: 0x002AB528 File Offset: 0x002A9728
		[Token(Token = "0x600BE8D")]
		[Address(RVA = "0x25AD490", Offset = "0x25AC490", VA = "0x1825AD490", Slot = "12")]
		public void Reset(IMemoable other)
		{
			do
			{
				if (other == 0)
				{
				}
			}
			while (other == 0);
		}

		// Token: 0x0600BE8E RID: 48782 RVA: 0x002AB540 File Offset: 0x002A9740
		// Note: this type is marked as 'beforefieldinit'.
		[Token(Token = "0x600BE8E")]
		[Address(RVA = "0x25AD5A0", Offset = "0x25AC5A0", VA = "0x1825AD5A0")]
		static MD2Digest()
		{
			byte[] array = new byte[256];
			RuntimeHelpers.InitializeArray(array, fieldof(<PrivateImplementationDetails>.D2C5BAE967587C6F3D9F2C4551911E0575A1101F).FieldHandle);
			MD2Digest.S = array;
		}

		// Token: 0x04007868 RID: 30824
		[Token(Token = "0x4007868")]
		private const int DigestLength = 16;

		// Token: 0x04007869 RID: 30825
		[Token(Token = "0x4007869")]
		private const int BYTE_LENGTH = 16;

		// Token: 0x0400786A RID: 30826
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400786A")]
		private byte[] X;

		// Token: 0x0400786B RID: 30827
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400786B")]
		private int xOff;

		// Token: 0x0400786C RID: 30828
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x400786C")]
		private byte[] M;

		// Token: 0x0400786D RID: 30829
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x400786D")]
		private int mOff;

		// Token: 0x0400786E RID: 30830
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x400786E")]
		private byte[] C;

		// Token: 0x0400786F RID: 30831
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x400786F")]
		private int COff;

		// Token: 0x04007870 RID: 30832
		[Token(Token = "0x4007870")]
		private static readonly byte[] S;
	}
}