using System;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement
{
	// Token: 0x0200172E RID: 5934
	[Token(Token = "0x200172E")]
	[StructLayout(3)]
	public class ECMqvBasicAgreement : IBasicAgreement
	{
		// Token: 0x0600A06E RID: 41070 RVA: 0x00254580 File Offset: 0x00252780
		[Token(Token = "0x600A06E")]
		[Address(RVA = "0x659370", Offset = "0x657D70", VA = "0x180659370", Slot = "7")]
		public virtual void Init(ICipherParameters parameters)
		{
			int num;
			do
			{
				num = 0;
			}
			while (parameters != 0 && ((parameters != 0 && (parameters == 0 || parameters == 0)) || (parameters != 0 && parameters == 0)));
			this.privParams = num;
		}

		// Token: 0x0600A06F RID: 41071 RVA: 0x002545B8 File Offset: 0x002527B8
		[Token(Token = "0x600A06F")]
		[Address(RVA = "0x659310", Offset = "0x657D10", VA = "0x180659310", Slot = "8")]
		public virtual int GetFieldSize()
		{
			string text = this.privParams.ToString().m_stringLength.ToString();
			text += 0;
			throw new NullReferenceException();
		}

		// Token: 0x0600A070 RID: 41072 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x600A070")]
		[Address(RVA = "0x658D70", Offset = "0x657770", VA = "0x180658D70", Slot = "9")]
		public virtual BigInteger CalculateAgreement(ICipherParameters pubKey)
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x0600A071 RID: 41073 RVA: 0x002545E4 File Offset: 0x002527E4
		[Token(Token = "0x600A071")]
		[Address(RVA = "0x659000", Offset = "0x657A00", VA = "0x180659000")]
		private static ECPoint CalculateMqvAgreement(ECDomainParameters parameters, ECPrivateKeyParameters d1U, ECPrivateKeyParameters d2U, ECPublicKeyParameters Q2U, ECPublicKeyParameters Q1V, ECPublicKeyParameters Q2V)
		{
			BigInteger n = parameters.n;
			int num = 0;
			int num2 = n.BitLength;
			num2++;
			num2 -= num;
			BigInteger bigInteger = BigInteger.One.ShiftLeft(num2);
			ECCurve curve = parameters.curve;
			ECPoint q = Q2U.q;
			string text = ECAlgorithms.CleanPoint(curve, q).CurveCoordinateSystem.ToString();
			BigInteger bigInteger3;
			BigInteger bigInteger2 = bigInteger3.SetBit(num2);
			BigInteger bigInteger4 = d1U.d.Multiply(bigInteger2);
			BigInteger bigInteger6;
			BigInteger bigInteger5 = bigInteger6.Mod(n);
			ECPoint ecpoint;
			string text2 = ecpoint.CurveCoordinateSystem.ToString();
			BigInteger bigInteger8;
			BigInteger bigInteger7 = bigInteger8.SetBit(num2);
			BigInteger bigInteger9 = parameters.h.Multiply(bigInteger5).Mod(n);
			BigInteger bigInteger10 = bigInteger7.Multiply(bigInteger9).Mod(n);
			ECPoint ecpoint2;
			return ECAlgorithms.SumOfTwoMultiplies(ecpoint2, bigInteger10, ecpoint, bigInteger9);
		}

		// Token: 0x0600A072 RID: 41074 RVA: 0x002546B0 File Offset: 0x002528B0
		[Token(Token = "0x600A072")]
		[Address(RVA = "0x3C1670", Offset = "0x3C0070", VA = "0x1803C1670")]
		public ECMqvBasicAgreement()
		{
		}

		// Token: 0x04006985 RID: 27013
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4006985")]
		protected internal MqvPrivateParameters privParams;
	}
}