using System;
using System.Collections;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms;
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.X509;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Cms
{
	// Token: 0x02001D5B RID: 7515
	[Token(Token = "0x2001D5B")]
	internal class KeyTransRecipientInfoGenerator : RecipientInfoGenerator
	{
		// Token: 0x0600BE5F RID: 48735 RVA: 0x002B6010 File Offset: 0x002B4210
		[Token(Token = "0x600BE5F")]
		[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
		internal KeyTransRecipientInfoGenerator()
		{
		}

		// Token: 0x17001D79 RID: 7545
		// (set) Token: 0x0600BE60 RID: 48736 RVA: 0x002B6024 File Offset: 0x002B4224
		[Token(Token = "0x17001D79")]
		internal X509Certificate RecipientCert
		{
			[Token(Token = "0x600BE60")]
			[Address(RVA = "0x20114D0", Offset = "0x20102D0", VA = "0x1820114D0")]
			set
			{
				DateTime notAfter = value.NotAfter;
				Asn1Object asn1Object;
				TbsCertificateStructure instance = TbsCertificateStructure.GetInstance(asn1Object);
				this.recipientTbsCert = instance;
				ICollection collection;
				this.recipientPublicKey = collection;
				SubjectPublicKeyInfo subjectPublicKeyInfo = this.recipientTbsCert.subjectPublicKeyInfo;
				this.info = subjectPublicKeyInfo;
			}
		}

		// Token: 0x17001D7A RID: 7546
		// (set) Token: 0x0600BE61 RID: 48737 RVA: 0x002B6068 File Offset: 0x002B4268
		[Token(Token = "0x17001D7A")]
		internal AsymmetricKeyParameter RecipientPublicKey
		{
			[Token(Token = "0x600BE61")]
			[Address(RVA = "0x2011550", Offset = "0x2010350", VA = "0x182011550")]
			set
			{
				this.recipientPublicKey = value;
				SubjectPublicKeyInfo subjectPublicKeyInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(this.recipientPublicKey);
				this.info = subjectPublicKeyInfo;
			}
		}

		// Token: 0x17001D7B RID: 7547
		// (set) Token: 0x0600BE62 RID: 48738 RVA: 0x002B609C File Offset: 0x002B429C
		[Token(Token = "0x17001D7B")]
		internal Asn1OctetString SubjectKeyIdentifier
		{
			[Token(Token = "0x600BE62")]
			[Address(RVA = "0x460F90", Offset = "0x45FD90", VA = "0x180460F90")]
			set
			{
				this.subjectKeyIdentifier = value;
			}
		}

		// Token: 0x0600BE63 RID: 48739 RVA: 0x002B60B0 File Offset: 0x002B42B0
		[Token(Token = "0x600BE63")]
		[Address(RVA = "0x2011200", Offset = "0x2010000", VA = "0x182011200", Slot = "4")]
		public RecipientInfo Generate(KeyParameter contentEncryptionKey, SecureRandom random)
		{
			byte[] key = contentEncryptionKey.GetKey();
			AlgorithmIdentifier algID = this.info.algID;
			CmsEnvelopedHelper helper = KeyTransRecipientInfoGenerator.Helper;
			Asn1Object asn1Object = algID.ToAsn1Object();
			ParametersWithRandom parametersWithRandom = new ParametersWithRandom(this.recipientPublicKey, random);
			int length = key.Length;
			TbsCertificateStructure tbsCertificateStructure = this.recipientTbsCert;
			if (tbsCertificateStructure == 0)
			{
				RecipientIdentifier recipientIdentifier = new RecipientIdentifier(this.subjectKeyIdentifier);
			}
			X509Name issuer = tbsCertificateStructure.issuer;
			BigInteger value = tbsCertificateStructure.serialNumber.Value;
			DerOctetString derOctetString;
			return new RecipientInfo(new KeyTransRecipientInfo(new RecipientIdentifier(new IssuerAndSerialNumber(issuer, value)), algID, derOctetString));
		}

		// Token: 0x04007923 RID: 31011
		[Token(Token = "0x4007923")]
		private static readonly CmsEnvelopedHelper Helper = CmsEnvelopedHelper.Instance;

		// Token: 0x04007924 RID: 31012
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4007924")]
		private TbsCertificateStructure recipientTbsCert;

		// Token: 0x04007925 RID: 31013
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4007925")]
		private AsymmetricKeyParameter recipientPublicKey;

		// Token: 0x04007926 RID: 31014
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4007926")]
		private Asn1OctetString subjectKeyIdentifier;

		// Token: 0x04007927 RID: 31015
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4007927")]
		private SubjectPublicKeyInfo info;
	}
}