using System;
using System.IO;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Pkcs;
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 Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Cms
{
	// Token: 0x02001D5C RID: 7516
	[Token(Token = "0x2001D5C")]
	public class KeyTransRecipientInformation : RecipientInformation
	{
		// Token: 0x0600BE65 RID: 48741 RVA: 0x002B6160 File Offset: 0x002B4360
		[Token(Token = "0x600BE65")]
		[Address(RVA = "0x20119B0", Offset = "0x20107B0", VA = "0x1820119B0")]
		internal KeyTransRecipientInformation(KeyTransRecipientInfo info, CmsSecureReadable secureReadable)
		{
			AlgorithmIdentifier keyEncryptionAlgorithm = info.keyEncryptionAlgorithm;
			base..ctor(keyEncryptionAlgorithm, secureReadable);
			this.info = info;
			RecipientID recipientID = new RecipientID();
			this.rid = recipientID;
			RecipientIdentifier rid = info.rid;
			if (!rid.IsTagged)
			{
				BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.IssuerAndSerialNumber instance = BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.IssuerAndSerialNumber.GetInstance(rid.ID);
				RecipientID rid2 = this.rid;
				X509Name name = instance.name;
				rid2.issuer = name;
				RecipientID rid3 = this.rid;
				BigInteger value = instance.serialNumber.Value;
				rid3.serialNumber = value;
			}
			Asn1OctetString instance2 = Asn1OctetString.GetInstance(rid.ID);
			RecipientID rid4 = this.rid;
			Stream octetStream = instance2.GetOctetStream();
		}

		// Token: 0x0600BE66 RID: 48742 RVA: 0x002B6238 File Offset: 0x002B4438
		[Token(Token = "0x600BE66")]
		[Address(RVA = "0x2011620", Offset = "0x2010420", VA = "0x182011620")]
		private string GetExchangeEncryptionAlgorithmName(DerObjectIdentifier oid)
		{
			DerObjectIdentifier rsaEncryption = PkcsObjectIdentifiers.RsaEncryption;
			return oid.identifier;
		}

		// Token: 0x0600BE67 RID: 48743 RVA: 0x002B6260 File Offset: 0x002B4460
		[Token(Token = "0x600BE67")]
		[Address(RVA = "0x20116C0", Offset = "0x20104C0", VA = "0x1820116C0")]
		internal KeyParameter UnwrapKey(ICipherParameters key)
		{
			Stream octetStream = this.info.encryptedKey.GetOctetStream();
			Asn1Object asn1Object = this.keyEncAlg.ToAsn1Object();
			DerObjectIdentifier rsaEncryption = PkcsObjectIdentifiers.RsaEncryption;
			IWrapper wrapper = WrapperUtilities.GetWrapper("RSA//PKCS1Padding");
			string contentAlgorithmName = base.GetContentAlgorithmName();
			Stream.ReadWriteTask activeReadWriteTask = octetStream._activeReadWriteTask;
			KeyParameter keyParameter;
			return keyParameter;
		}

		// Token: 0x0600BE68 RID: 48744 RVA: 0x002B62B4 File Offset: 0x002B44B4
		[Token(Token = "0x600BE68")]
		[Address(RVA = "0x20115F0", Offset = "0x20103F0", VA = "0x1820115F0", Slot = "4")]
		public override CmsTypedStream GetContentStream(ICipherParameters key)
		{
			KeyParameter keyParameter = this.UnwrapKey(key);
			return base.GetContentFromSessionKey(keyParameter);
		}

		// Token: 0x04007928 RID: 31016
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4007928")]
		private KeyTransRecipientInfo info;
	}
}