using System;
using System.IO;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Cms
{
	// Token: 0x02001758 RID: 5976
	[Token(Token = "0x2001758")]
	[StructLayout(3)]
	public class CmsEnvelopedDataParser : CmsContentInfoParser
	{
		// Token: 0x0600A15E RID: 41310 RVA: 0x00258778 File Offset: 0x00256978
		[Token(Token = "0x600A15E")]
		[Address(RVA = "0x1C75DE0", Offset = "0x1C747E0", VA = "0x181C75DE0")]
		public CmsEnvelopedDataParser(byte[] envelopedData)
		{
			int num;
			MemoryStream memoryStream = new MemoryStream(envelopedData, num != 0);
			num = 0;
		}

		// Token: 0x0600A15F RID: 41311 RVA: 0x00258790 File Offset: 0x00256990
		[Token(Token = "0x600A15F")]
		[Address(RVA = "0x1C75E50", Offset = "0x1C74850", VA = "0x181C75E50")]
		public CmsEnvelopedDataParser(Stream envelopedData)
		{
			IAsn1Convertible encryptedContent;
			for (;;)
			{
				base..ctor(envelopedData);
				ContentInfoParser contentInfo = this.contentInfo;
				this._attrNotRead = true;
				if (contentInfo.GetContent(16) == 0)
				{
				}
				EnvelopedDataParser envelopedDataParser;
				if (envelopedDataParser != 0)
				{
					this.envelopedData = envelopedDataParser;
					Asn1SetParser recipientInfos = envelopedDataParser.GetRecipientInfos();
					EncryptedContentInfoParser encryptedContentInfo = this.envelopedData.GetEncryptedContentInfo();
					AlgorithmIdentifier contentEncryptionAlgorithm = encryptedContentInfo._contentEncryptionAlgorithm;
					this._encAlg = contentEncryptionAlgorithm;
					encryptedContent = encryptedContentInfo.GetEncryptedContent(4);
					if (encryptedContent != 0 && encryptedContent != 0)
					{
						break;
					}
				}
			}
			CmsProcessableInputStream cmsProcessableInputStream;
			cmsProcessableInputStream.input = encryptedContent;
			AlgorithmIdentifier encAlg = this._encAlg;
			CmsEnvelopedHelper.CmsEnvelopedSecureReadable cmsEnvelopedSecureReadable;
			cmsEnvelopedSecureReadable.algorithm = encAlg;
			cmsEnvelopedSecureReadable.readable = cmsProcessableInputStream;
			Asn1Set asn1Set;
			RecipientInformationStore recipientInformationStore = CmsEnvelopedHelper.BuildRecipientInformationStore(asn1Set, cmsEnvelopedSecureReadable);
			this.recipientInfoStore = recipientInformationStore;
		}

		// Token: 0x17001950 RID: 6480
		// (get) Token: 0x0600A160 RID: 41312 RVA: 0x0025883C File Offset: 0x00256A3C
		[Token(Token = "0x17001950")]
		public AlgorithmIdentifier EncryptionAlgorithmID
		{
			[Token(Token = "0x600A160")]
			[Address(RVA = "0x3C1250", Offset = "0x3BFC50", VA = "0x1803C1250")]
			get
			{
				return this._encAlg;
			}
		}

		// Token: 0x17001951 RID: 6481
		// (get) Token: 0x0600A161 RID: 41313 RVA: 0x00258850 File Offset: 0x00256A50
		[Token(Token = "0x17001951")]
		public string EncryptionAlgOid
		{
			[Token(Token = "0x600A161")]
			[Address(RVA = "0x1C72A70", Offset = "0x1C71470", VA = "0x181C72A70")]
			get
			{
				Asn1Object asn1Object = this._encAlg.ToAsn1Object();
				throw new NullReferenceException();
			}
		}

		// Token: 0x17001952 RID: 6482
		// (get) Token: 0x0600A162 RID: 41314 RVA: 0x00258870 File Offset: 0x00256A70
		[Token(Token = "0x17001952")]
		public Asn1Object EncryptionAlgParams
		{
			[Token(Token = "0x600A162")]
			[Address(RVA = "0x1C72AB0", Offset = "0x1C714B0", VA = "0x181C72AB0")]
			get
			{
				DerObjectIdentifier objectID = this._encAlg.ObjectID;
				if (objectID == 0)
				{
				}
				return objectID.ToAsn1Object();
			}
		}

		// Token: 0x0600A163 RID: 41315 RVA: 0x0025889C File Offset: 0x00256A9C
		[Token(Token = "0x600A163")]
		[Address(RVA = "0x3C1220", Offset = "0x3BFC20", VA = "0x1803C1220")]
		public RecipientInformationStore GetRecipientInfos()
		{
			return this.recipientInfoStore;
		}

		// Token: 0x0600A164 RID: 41316 RVA: 0x002588B0 File Offset: 0x00256AB0
		[Token(Token = "0x600A164")]
		[Address(RVA = "0x1C75B20", Offset = "0x1C74520", VA = "0x181C75B20")]
		public BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.AttributeTable GetUnprotectedAttributes()
		{
			while (this._unprotectedAttributes == (ulong)0L && this._attrNotRead)
			{
				Asn1SetParser unprotectedAttrs = this.envelopedData.GetUnprotectedAttrs();
				this._attrNotRead = false;
				if (unprotectedAttrs != 0)
				{
					int num = 0;
					int num2 = 0;
					if (num2 < num)
					{
						num2 += num2;
						num2++;
					}
					Asn1EncodableVector asn1EncodableVector;
					if (asn1EncodableVector != 0)
					{
						if (asn1EncodableVector == 0)
						{
							continue;
						}
						Asn1Encodable[] array = new Asn1Encodable[1];
						num2 += num2;
						num2++;
						if (num2 != 0)
						{
						}
						array[0] = num2;
						asn1EncodableVector.Add(array);
						array += array;
						array += array;
					}
					BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.AttributeTable attributeTable = new BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.AttributeTable(new DerSet(asn1EncodableVector));
					this._unprotectedAttributes = attributeTable;
					break;
				}
				break;
			}
			return this._unprotectedAttributes;
		}

		// Token: 0x04006A37 RID: 27191
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4006A37")]
		internal RecipientInformationStore recipientInfoStore;

		// Token: 0x04006A38 RID: 27192
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4006A38")]
		internal EnvelopedDataParser envelopedData;

		// Token: 0x04006A39 RID: 27193
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4006A39")]
		private AlgorithmIdentifier _encAlg;

		// Token: 0x04006A3A RID: 27194
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4006A3A")]
		private BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.AttributeTable _unprotectedAttributes;

		// Token: 0x04006A3B RID: 27195
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
		[Token(Token = "0x4006A3B")]
		private bool _attrNotRead;
	}
}