Jan2021-Cpp2Il-Dump/Assembly-CSharp/BestHTTP/SecureProtocol/Org/BouncyCastle/Crypto/Macs/GMac.cs

using System;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Macs
{
	// Token: 0x02001672 RID: 5746
	[Token(Token = "0x2001672")]
	[StructLayout(3)]
	public class GMac : IMac
	{
		// Token: 0x06009981 RID: 39297 RVA: 0x00222654 File Offset: 0x00220854
		[Token(Token = "0x6009981")]
		[Address(RVA = "0x20EB450", Offset = "0x20E9E50", VA = "0x1820EB450")]
		public GMac(GcmBlockCipher cipher)
		{
			this.cipher = cipher;
			this.macSizeBits = (int)((ulong)128L);
		}

		// Token: 0x06009982 RID: 39298 RVA: 0x0022267C File Offset: 0x0022087C
		[Token(Token = "0x6009982")]
		[Address(RVA = "0x67E170", Offset = "0x67CB70", VA = "0x18067E170")]
		public GMac(GcmBlockCipher cipher, int macSizeBits)
		{
			this.cipher = cipher;
			this.macSizeBits = macSizeBits;
		}

		// Token: 0x06009983 RID: 39299 RVA: 0x002226A0 File Offset: 0x002208A0
		[Token(Token = "0x6009983")]
		[Address(RVA = "0x20EB1C0", Offset = "0x20E9BC0", VA = "0x1820EB1C0", Slot = "4")]
		public void Init(ICipherParameters parameters)
		{
			/*
An exception occurred when decompiling this method (06009983)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Macs.GMac::Init(BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_21:
	stloc:ArgumentException(var_6_2B, newobj:ArgumentException(ArgumentException::.ctor, ldstr:string("GMAC requires ParametersWithIV")))
}

   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: 0x1700188F RID: 6287
		// (get) Token: 0x06009984 RID: 39300 RVA: 0x002226DC File Offset: 0x002208DC
		[Token(Token = "0x1700188F")]
		public string AlgorithmName
		{
			[Token(Token = "0x6009984")]
			[Address(RVA = "0x20EB480", Offset = "0x20E9E80", VA = "0x1820EB480", Slot = "5")]
			get
			{
				IBlockCipher blockCipher = this.cipher.cipher;
				string text;
				return text;
			}
		}

		// Token: 0x06009985 RID: 39301 RVA: 0x002226FC File Offset: 0x002208FC
		[Token(Token = "0x6009985")]
		[Address(RVA = "0x20EB1B0", Offset = "0x20E9BB0", VA = "0x1820EB1B0", Slot = "6")]
		public int GetMacSize()
		{
			return this.macSizeBits;
		}

		// Token: 0x06009986 RID: 39302 RVA: 0x00222710 File Offset: 0x00220910
		[Token(Token = "0x6009986")]
		[Address(RVA = "0x20EB3B0", Offset = "0x20E9DB0", VA = "0x1820EB3B0", Slot = "7")]
		public void Update(byte input)
		{
			GcmBlockCipher gcmBlockCipher = this.cipher;
			gcmBlockCipher.CheckStatus();
			byte[] atBlock = gcmBlockCipher.atBlock;
			int atBlockPos = gcmBlockCipher.atBlockPos;
			int num = gcmBlockCipher.atBlockPos;
			num++;
			gcmBlockCipher.atBlockPos = num;
			if (num == 16)
			{
				byte[] atBlock2 = gcmBlockCipher.atBlock;
				byte[] s_at = gcmBlockCipher.S_at;
				gcmBlockCipher.gHASHBlock(s_at, atBlock2);
				gcmBlockCipher.atBlockPos = (int)((ulong)0L);
			}
		}

		// Token: 0x06009987 RID: 39303 RVA: 0x00222778 File Offset: 0x00220978
		[Token(Token = "0x6009987")]
		[Address(RVA = "0x20EB0B0", Offset = "0x20E9AB0", VA = "0x1820EB0B0", Slot = "8")]
		public void BlockUpdate(byte[] input, int inOff, int len)
		{
			this.cipher.ProcessAadBytes(input, inOff, len);
		}

		// Token: 0x06009988 RID: 39304 RVA: 0x0022279C File Offset: 0x0022099C
		[Token(Token = "0x6009988")]
		[Address(RVA = "0x20EB0E0", Offset = "0x20E9AE0", VA = "0x1820EB0E0", Slot = "9")]
		public int DoFinal(byte[] output, int outOff)
		{
			return this.cipher.DoFinal(output, outOff);
		}

		// Token: 0x06009989 RID: 39305 RVA: 0x002227C4 File Offset: 0x002209C4
		[Token(Token = "0x6009989")]
		[Address(RVA = "0x20EB380", Offset = "0x20E9D80", VA = "0x1820EB380", Slot = "10")]
		public void Reset()
		{
			this.cipher.Reset(true);
		}

		// Token: 0x040064CA RID: 25802
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x40064CA")]
		private readonly GcmBlockCipher cipher;

		// Token: 0x040064CB RID: 25803
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x40064CB")]
		private readonly int macSizeBits;
	}
}