using System;
using System.Collections;
using System.IO;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls
{
	// Token: 0x02001B99 RID: 7065
	[Token(Token = "0x2001B99")]
	public abstract class TlsSrpUtilities
	{
		// Token: 0x0600B00C RID: 45068 RVA: 0x002644A8 File Offset: 0x002626A8
		[Token(Token = "0x600B00C")]
		[Address(RVA = "0x182BD50", Offset = "0x182AB50", VA = "0x18182BD50")]
		public static void AddSrpExtension(IDictionary extensions, byte[] identity)
		{
			while (identity == 0)
			{
			}
			TlsUtilities.CheckUint8(identity.Length);
			int length = identity.Length;
			byte[] array = Arrays.Prepend(identity, (byte)length);
		}

		// Token: 0x0600B00D RID: 45069 RVA: 0x002644D4 File Offset: 0x002626D4
		[Token(Token = "0x600B00D")]
		[Address(RVA = "0x182BFC0", Offset = "0x182ADC0", VA = "0x18182BFC0")]
		public static byte[] GetSrpExtension(IDictionary extensions)
		{
			byte[] extensionData = TlsUtilities.GetExtensionData(extensions, 12);
			if (extensionData == 0)
			{
				return extensionData;
			}
			int num;
			MemoryStream memoryStream = new MemoryStream(extensionData, num != 0);
			num = 0;
			byte[] array = TlsUtilities.ReadOpaque8(memoryStream);
			TlsProtocol.AssertEmpty(memoryStream);
			return array;
		}

		// Token: 0x0600B00E RID: 45070 RVA: 0x00264508 File Offset: 0x00262708
		[Token(Token = "0x600B00E")]
		[Address(RVA = "0x182BEC0", Offset = "0x182ACC0", VA = "0x18182BEC0")]
		public static byte[] CreateSrpExtension(byte[] identity)
		{
			while (identity == 0)
			{
			}
			TlsUtilities.CheckUint8(identity.Length);
			int length = identity.Length;
			return Arrays.Prepend(identity, (byte)length);
		}

		// Token: 0x0600B00F RID: 45071 RVA: 0x00264534 File Offset: 0x00262734
		[Token(Token = "0x600B00F")]
		[Address(RVA = "0x182C0C0", Offset = "0x182AEC0", VA = "0x18182C0C0")]
		public static byte[] ReadSrpExtension(byte[] extensionData)
		{
			/*
An exception occurred when decompiling this method (0600B00F)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls.TlsSrpUtilities::ReadSrpExtension(System.Byte[])

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_1D:
	stloc:ArgumentNullException(var_3_27, newobj:ArgumentNullException(ArgumentNullException::.ctor, ldstr:string("extensionData")))
}

   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.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846
   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 1660
*/;
		}

		// Token: 0x0600B010 RID: 45072 RVA: 0x00264568 File Offset: 0x00262768
		[Token(Token = "0x600B010")]
		[Address(RVA = "0x182C190", Offset = "0x182AF90", VA = "0x18182C190")]
		public static BigInteger ReadSrpParameter(Stream input)
		{
			byte[] array = TlsUtilities.ReadOpaque16(input);
			int length = array.Length;
			BigInteger bigInteger;
			bigInteger.nBits = (int)((ulong)(-1L));
			int num = 0;
			int[] array2 = BigInteger.MakeMagnitude(array, num, length);
			bigInteger.magnitude = array2;
			bool flag = array2.Length >= 1;
			bigInteger.sign = (flag ? 1 : 0);
			return bigInteger;
		}

		// Token: 0x0600B011 RID: 45073 RVA: 0x002645C0 File Offset: 0x002627C0
		[Token(Token = "0x600B011")]
		[Address(RVA = "0x182C290", Offset = "0x182B090", VA = "0x18182C290")]
		public static void WriteSrpParameter(BigInteger x, Stream output)
		{
			TlsUtilities.WriteOpaque16(BigIntegers.AsUnsignedByteArray(x), output);
		}

		// Token: 0x0600B012 RID: 45074 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x600B012")]
		[Address(RVA = "0x182C0B0", Offset = "0x182AEB0", VA = "0x18182C0B0")]
		public static bool IsSrpCipherSuite(int cipherSuite)
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x0600B013 RID: 45075 RVA: 0x002645DC File Offset: 0x002627DC
		[Token(Token = "0x600B013")]
		[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
		protected TlsSrpUtilities()
		{
		}
	}
}