using System;
using System.Collections;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.Ecc;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using BestHTTP.SecureProtocol.Org.BouncyCastle.X509;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Cms
{
	// Token: 0x0200177C RID: 6012
	[Token(Token = "0x200177C")]
	[StructLayout(3)]
	internal class KeyAgreeRecipientInfoGenerator : RecipientInfoGenerator
	{
		// Token: 0x0600A274 RID: 41588 RVA: 0x0025D430 File Offset: 0x0025B630
		[Token(Token = "0x600A274")]
		[Address(RVA = "0x3C1670", Offset = "0x3C0070", VA = "0x1803C1670")]
		internal KeyAgreeRecipientInfoGenerator()
		{
		}

		// Token: 0x17001974 RID: 6516
		// (set) Token: 0x0600A275 RID: 41589 RVA: 0x0025D444 File Offset: 0x0025B644
		[Token(Token = "0x17001974")]
		internal DerObjectIdentifier KeyAgreementOID
		{
			[Token(Token = "0x600A275")]
			[Address(RVA = "0x3C39B0", Offset = "0x3C23B0", VA = "0x1803C39B0")]
			set
			{
				this.keyAgreementOID = value;
			}
		}

		// Token: 0x17001975 RID: 6517
		// (set) Token: 0x0600A276 RID: 41590 RVA: 0x0025D458 File Offset: 0x0025B658
		[Token(Token = "0x17001975")]
		internal DerObjectIdentifier KeyEncryptionOID
		{
			[Token(Token = "0x600A276")]
			[Address(RVA = "0x3C1280", Offset = "0x3BFC80", VA = "0x1803C1280")]
			set
			{
				this.keyEncryptionOID = value;
			}
		}

		// Token: 0x17001976 RID: 6518
		// (set) Token: 0x0600A277 RID: 41591 RVA: 0x0025D46C File Offset: 0x0025B66C
		[Token(Token = "0x17001976")]
		internal ICollection RecipientCerts
		{
			[Token(Token = "0x600A277")]
			[Address(RVA = "0x65F590", Offset = "0x65DF90", VA = "0x18065F590")]
			set
			{
				IList list = Platform.CreateArrayList(value);
				this.recipientCerts = list;
			}
		}

		// Token: 0x17001977 RID: 6519
		// (set) Token: 0x0600A278 RID: 41592 RVA: 0x0025D488 File Offset: 0x0025B688
		[Token(Token = "0x17001977")]
		internal AsymmetricCipherKeyPair SenderKeyPair
		{
			[Token(Token = "0x600A278")]
			[Address(RVA = "0x3C1270", Offset = "0x3BFC70", VA = "0x1803C1270")]
			set
			{
				this.senderKeyPair = value;
			}
		}

		// Token: 0x0600A279 RID: 41593 RVA: 0x0025D49C File Offset: 0x0025B69C
		[Token(Token = "0x600A279")]
		[Address(RVA = "0x65E7C0", Offset = "0x65D1C0", VA = "0x18065E7C0", Slot = "4")]
		public RecipientInfo Generate(KeyParameter contentEncryptionKey, SecureRandom random)
		{
			for (;;)
			{
				int num = 0;
				byte[] key = contentEncryptionKey.GetKey();
				AsymmetricCipherKeyPair asymmetricCipherKeyPair = this.senderKeyPair;
				AsymmetricKeyParameter publicParameter = asymmetricCipherKeyPair.publicParameter;
				AsymmetricKeyParameter privateParameter = asymmetricCipherKeyPair.privateParameter;
				OriginatorIdentifierOrKey originatorIdentifierOrKey = new OriginatorIdentifierOrKey(KeyAgreeRecipientInfoGenerator.CreateOriginatorPublicKey(publicParameter));
				string identifier = this.keyAgreementOID.identifier;
				string ecmqvSha1Kdf = CmsEnvelopedGenerator.ECMqvSha1Kdf;
				if (identifier.Equals(ecmqvSha1Kdf))
				{
					IAsymmetricCipherKeyPairGenerator keyPairGenerator = GeneratorUtilities.GetKeyPairGenerator(this.keyAgreementOID);
					if (publicParameter == 0 || publicParameter == 0)
					{
						goto IL_260;
					}
					int num2 = 0;
					if (num < num2)
					{
						num += num;
						num++;
					}
					int num3 = 0;
					if (num < num3)
					{
						num += num;
						num++;
					}
					OriginatorPublicKey originatorPublicKey;
					int num4;
					MQVuserKeyingMaterial mqvuserKeyingMaterial = new MQVuserKeyingMaterial(originatorPublicKey, num4);
					num4 = 0;
					DerOctetString derOctetString = new DerOctetString(mqvuserKeyingMaterial);
					if (num == 0)
					{
					}
					if (num == 0)
					{
						goto IL_254;
					}
					if (mqvuserKeyingMaterial == 0)
					{
					}
					if (mqvuserKeyingMaterial == 0)
					{
						goto IL_254;
					}
					if (privateParameter == 0)
					{
					}
					if (privateParameter == 0)
					{
						goto IL_254;
					}
				}
				Asn1Encodable[] array = new Asn1Encodable[2];
				DerObjectIdentifier derObjectIdentifier = this.keyEncryptionOID;
				if (derObjectIdentifier != 0)
				{
				}
				array[0] = derObjectIdentifier;
				DerNull instance = DerNull.Instance;
				if (instance != 0)
				{
				}
				array[1] = instance;
				DerSequence derSequence = new DerSequence(array);
				AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(this.keyAgreementOID, derSequence);
				IList list = this.recipientCerts;
				Asn1EncodableVector asn1EncodableVector;
				if (asn1EncodableVector != 0)
				{
					if (asn1EncodableVector == 0)
					{
					}
					if (asn1EncodableVector != 0)
					{
						break;
					}
				}
				else
				{
					ArrayTypeMismatchException ex;
					if (ex != 0)
					{
					}
					if (num != -1)
					{
					}
					if (num == 0)
					{
						goto Block_9;
					}
				}
			}
			Asn1Object asn1Object;
			TbsCertificateStructure instance2 = TbsCertificateStructure.GetInstance(asn1Object);
			X509Name issuer = instance2.issuer;
			BigInteger value = instance2.serialNumber.Value;
			KeyAgreeRecipientIdentifier keyAgreeRecipientIdentifier = new KeyAgreeRecipientIdentifier(new IssuerAndSerialNumber(issuer, value));
			string identifier2 = this.keyAgreementOID.identifier;
			string ecmqvSha1Kdf2 = CmsEnvelopedGenerator.ECMqvSha1Kdf;
			if (identifier2.Equals(ecmqvSha1Kdf2))
			{
			}
			DerObjectIdentifier derObjectIdentifier2 = this.keyAgreementOID;
			string identifier3 = this.keyEncryptionOID.identifier;
			IBasicAgreement basicAgreementWithKdf = AgreementUtilities.GetBasicAgreementWithKdf(derObjectIdentifier2, identifier3);
			DerObjectIdentifier derObjectIdentifier3 = this.keyEncryptionOID;
			int num5 = 0;
			int defaultKeySize = GeneratorUtilities.GetDefaultKeySize(derObjectIdentifier3);
			num5 += defaultKeySize;
			byte[] array2;
			KeyParameter keyParameter = ParameterUtilities.CreateKeyParameter(this.keyEncryptionOID, array2);
			CmsEnvelopedHelper helper = KeyAgreeRecipientInfoGenerator.Helper;
			DerObjectIdentifier derObjectIdentifier4 = this.keyEncryptionOID;
			int num6 = 0;
			string identifier4 = derObjectIdentifier4.identifier;
			IWrapper wrapper = helper.CreateWrapper(identifier4);
			ParametersWithRandom parametersWithRandom = new ParametersWithRandom(keyParameter, num6);
			Asn1Encodable[] array3 = new Asn1Encodable[1];
			DerOctetString derOctetString2;
			RecipientEncryptedKey recipientEncryptedKey = new RecipientEncryptedKey(keyAgreeRecipientIdentifier, derOctetString2);
			throw new ArrayTypeMismatchException();
			Block_9:
			KeyAgreeRecipientInfo keyAgreeRecipientInfo;
			return new RecipientInfo(keyAgreeRecipientInfo);
			IL_254:
			throw new NullReferenceException();
			IL_260:
			throw new NullReferenceException();
		}

		// Token: 0x0600A27A RID: 41594 RVA: 0x0025D724 File Offset: 0x0025B924
		[Token(Token = "0x600A27A")]
		[Address(RVA = "0x65E6A0", Offset = "0x65D0A0", VA = "0x18065E6A0")]
		private static OriginatorPublicKey CreateOriginatorPublicKey(AsymmetricKeyParameter publicKey)
		{
			SubjectPublicKeyInfo subjectPublicKeyInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(publicKey);
			Asn1Object asn1Object = subjectPublicKeyInfo.algID.ToAsn1Object();
			byte[] octets = subjectPublicKeyInfo.keyData.GetOctets();
			AlgorithmIdentifier algorithmIdentifier;
			return new OriginatorPublicKey(algorithmIdentifier, octets);
		}

		// Token: 0x04006AD9 RID: 27353
		[Token(Token = "0x4006AD9")]
		private static readonly CmsEnvelopedHelper Helper = CmsEnvelopedHelper.Instance;

		// Token: 0x04006ADA RID: 27354
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4006ADA")]
		private DerObjectIdentifier keyAgreementOID;

		// Token: 0x04006ADB RID: 27355
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4006ADB")]
		private DerObjectIdentifier keyEncryptionOID;

		// Token: 0x04006ADC RID: 27356
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4006ADC")]
		private IList recipientCerts;

		// Token: 0x04006ADD RID: 27357
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4006ADD")]
		private AsymmetricCipherKeyPair senderKeyPair;
	}
}