using System;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X9;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.Kdf;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement
{
	// Token: 0x0200172D RID: 5933
	[Token(Token = "0x200172D")]
	[StructLayout(3)]
	public class ECDHWithKdfBasicAgreement : ECDHBasicAgreement
	{
		// Token: 0x0600A06B RID: 41067 RVA: 0x00254470 File Offset: 0x00252670
		[Token(Token = "0x600A06B")]
		[Address(RVA = "0x658CA0", Offset = "0x6576A0", VA = "0x180658CA0")]
		public ECDHWithKdfBasicAgreement(string algorithm, IDerivationFunction kdf)
		{
			/*
An exception occurred when decompiling this method (0600A06B)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.ECDHWithKdfBasicAgreement::.ctor(System.String,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.IDerivationFunction)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_28:
	stloc:ArgumentNullException(var_1_32, newobj:ArgumentNullException(ArgumentNullException::.ctor, ldstr:string("kdf")))
}

   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: 0x0600A06C RID: 41068 RVA: 0x002544B0 File Offset: 0x002526B0
		[Token(Token = "0x600A06C")]
		[Address(RVA = "0x658AF0", Offset = "0x6574F0", VA = "0x180658AF0", Slot = "9")]
		public override BigInteger CalculateAgreement(ICipherParameters pubKey)
		{
			BigInteger bigInteger = base.CalculateAgreement(pubKey);
			int defaultKeySize = GeneratorUtilities.GetDefaultKeySize(this.algorithm);
			DerObjectIdentifier derObjectIdentifier = new DerObjectIdentifier(this.algorithm);
			int byteLength = X9IntegerConverter.GetByteLength(this.privKey.parameters.curve);
			byte[] array = X9IntegerConverter.IntegerToBytes(bigInteger, byteLength);
			DHKdfParameters dhkdfParameters;
			dhkdfParameters.z = array;
			int num = 0;
			dhkdfParameters.extraInfo = num;
			dhkdfParameters.algorithm = derObjectIdentifier;
			dhkdfParameters.keySize = defaultKeySize;
			IDerivationFunction derivationFunction = this.kdf;
			byte[] array2 = new byte[0];
			IDerivationFunction derivationFunction2 = this.kdf;
			int length = array2.Length;
			return new BigInteger(1, array2);
		}

		// Token: 0x0600A06D RID: 41069 RVA: 0x00254550 File Offset: 0x00252750
		[Token(Token = "0x600A06D")]
		[Address(RVA = "0x658AB0", Offset = "0x6574B0", VA = "0x180658AB0")]
		private byte[] BigIntToBytes(BigInteger r)
		{
			int byteLength = X9IntegerConverter.GetByteLength(this.privKey.parameters.curve);
			return X9IntegerConverter.IntegerToBytes(r, byteLength);
		}

		// Token: 0x04006983 RID: 27011
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4006983")]
		private readonly string algorithm;

		// Token: 0x04006984 RID: 27012
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4006984")]
		private readonly IDerivationFunction kdf;
	}
}