using System;
using System.Collections;
using System.IO;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Ess;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Nist;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Oiw;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Pkcs;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Tsp;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Cms;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using BestHTTP.SecureProtocol.Org.BouncyCastle.X509;
using BestHTTP.SecureProtocol.Org.BouncyCastle.X509.Store;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Tsp
{
	// Token: 0x0200196E RID: 6510
	[Token(Token = "0x200196E")]
	public class TimeStampToken
	{
		// Token: 0x06009AC6 RID: 39622 RVA: 0x00200E9C File Offset: 0x001FF09C
		[Token(Token = "0x6009AC6")]
		[Address(RVA = "0x1B2CBA0", Offset = "0x1B2B9A0", VA = "0x181B2CBA0")]
		public TimeStampToken(BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.ContentInfo contentInfo)
		{
			CmsSignedData cmsSignedData = new CmsSignedData(contentInfo);
		}

		// Token: 0x06009AC7 RID: 39623 RVA: 0x00200EB0 File Offset: 0x001FF0B0
		[Token(Token = "0x6009AC7")]
		[Address(RVA = "0x1B2CC10", Offset = "0x1B2BA10", VA = "0x181B2CC10")]
		public TimeStampToken(CmsSignedData signedData)
		{
			this.tsToken = signedData;
			DerObjectIdentifier signedContentType = signedData.SignedContentType;
			ICollection signers = this.tsToken.GetSignerInfos().GetSigners();
			if (signers == (ulong)1L)
			{
				if (signers == 0)
				{
				}
				int num = 0;
				if (signers != 0)
				{
					this.tsaSignerInfo = signers;
					CmsProcessable signedContent = this.tsToken.signedContent;
					MemoryStream memoryStream = new MemoryStream();
					if (num < signers)
					{
						num += num;
						num++;
					}
					Asn1Object asn1Object;
					TimeStampTokenInfo timeStampTokenInfo = new TimeStampTokenInfo(TstInfo.GetInstance(asn1Object));
					this.tstInfo = timeStampTokenInfo;
					BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.AttributeTable signedAttributes = this.tsaSignerInfo.SignedAttributes;
					DerObjectIdentifier idAASigningCertificate = PkcsObjectIdentifiers.IdAASigningCertificate;
					TimeStampToken.CertID certID;
					if (signedAttributes[idAASigningCertificate] == 0)
					{
						BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.AttributeTable signedAttributes2 = this.tsaSignerInfo.SignedAttributes;
						DerObjectIdentifier idAASigningCertificateV = PkcsObjectIdentifiers.IdAASigningCertificateV2;
						BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.Attribute attribute = signedAttributes2[idAASigningCertificateV];
						if (attribute == 0)
						{
							TspValidationException ex = new TspValidationException("no signing certificate attribute found, time stamp invalid.");
							throw new NullReferenceException();
						}
						IEnumerator enumerator = attribute.attrValues.GetEnumerator();
						int num2 = 0;
						SigningCertificateV2 signingCertificateV;
						EssCertIDv2[] certs = signingCertificateV.GetCerts();
						num2 += num2;
						EssCertIDv2 instance = EssCertIDv2.GetInstance(certs[0]);
						certID.certIDv2 = instance;
						certID.certID = num;
					}
					EssCertIDv2 certIDv = certID.certIDv2;
					SigningCertificate signingCertificate;
					EssCertID instance2 = EssCertID.GetInstance(signingCertificate.GetCerts()[0]);
					TimeStampToken.CertID certID2;
					certID2.certID = instance2;
					certID2.certIDv2 = num;
					this.certID = certID2;
					return;
				}
			}
			throw new NullReferenceException();
		}

		// Token: 0x170018C2 RID: 6338
		// (get) Token: 0x06009AC8 RID: 39624 RVA: 0x00201098 File Offset: 0x001FF298
		[Token(Token = "0x170018C2")]
		public TimeStampTokenInfo TimeStampInfo
		{
			[Token(Token = "0x6009AC8")]
			[Address(RVA = "0x3F6400", Offset = "0x3F5200", VA = "0x1803F6400")]
			get
			{
				return this.tstInfo;
			}
		}

		// Token: 0x170018C3 RID: 6339
		// (get) Token: 0x06009AC9 RID: 39625 RVA: 0x002010AC File Offset: 0x001FF2AC
		[Token(Token = "0x170018C3")]
		public SignerID SignerID
		{
			[Token(Token = "0x6009AC9")]
			[Address(RVA = "0x3F71E0", Offset = "0x3F5FE0", VA = "0x1803F71E0")]
			get
			{
				return this.tsaSignerInfo.sid;
			}
		}

		// Token: 0x170018C4 RID: 6340
		// (get) Token: 0x06009ACA RID: 39626 RVA: 0x002010CC File Offset: 0x001FF2CC
		[Token(Token = "0x170018C4")]
		public BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.AttributeTable SignedAttributes
		{
			[Token(Token = "0x6009ACA")]
			[Address(RVA = "0x1B2D290", Offset = "0x1B2C090", VA = "0x181B2D290")]
			get
			{
				return this.tsaSignerInfo.SignedAttributes;
			}
		}

		// Token: 0x170018C5 RID: 6341
		// (get) Token: 0x06009ACB RID: 39627 RVA: 0x002010EC File Offset: 0x001FF2EC
		[Token(Token = "0x170018C5")]
		public BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.AttributeTable UnsignedAttributes
		{
			[Token(Token = "0x6009ACB")]
			[Address(RVA = "0x1B2D2B0", Offset = "0x1B2C0B0", VA = "0x181B2D2B0")]
			get
			{
				return this.tsaSignerInfo.UnsignedAttributes;
			}
		}

		// Token: 0x06009ACC RID: 39628 RVA: 0x0020110C File Offset: 0x001FF30C
		[Token(Token = "0x6009ACC")]
		[Address(RVA = "0x1B2C450", Offset = "0x1B2B250", VA = "0x181B2C450")]
		public IX509Store GetCertificates(string type)
		{
			return this.tsToken.GetCertificates(type);
		}

		// Token: 0x06009ACD RID: 39629 RVA: 0x0020112C File Offset: 0x001FF32C
		[Token(Token = "0x6009ACD")]
		[Address(RVA = "0x1B2C470", Offset = "0x1B2B270", VA = "0x181B2C470")]
		public IX509Store GetCrls(string type)
		{
			return this.tsToken.GetCrls(type);
		}

		// Token: 0x06009ACE RID: 39630 RVA: 0x0020114C File Offset: 0x001FF34C
		[Token(Token = "0x6009ACE")]
		[Address(RVA = "0x1B2C430", Offset = "0x1B2B230", VA = "0x181B2C430")]
		public IX509Store GetAttributeCertificates(string type)
		{
			return this.tsToken.GetAttributeCertificates(type);
		}

		// Token: 0x06009ACF RID: 39631 RVA: 0x0020116C File Offset: 0x001FF36C
		[Token(Token = "0x6009ACF")]
		[Address(RVA = "0x1B2C4B0", Offset = "0x1B2B2B0", VA = "0x181B2C4B0")]
		public void Validate(X509Certificate cert)
		{
			EssCertID essCertID3;
			for (;;)
			{
				TimeStampToken.CertID certID = this.certID;
				if (certID.certID == (ulong)0L)
				{
					DerObjectIdentifier idSha = NistObjectIdentifiers.IdSha256;
					if (certID.certIDv2.hashAlgorithm.ToAsn1Object() == 0)
					{
						Asn1Object asn1Object = certID.certIDv2.hashAlgorithm.ToAsn1Object();
					}
				}
				AsymmetricKeyParameter publicKey = cert.GetPublicKey();
				EssCertID essCertID = this.certID.certID;
				if (essCertID != 0)
				{
					int length = essCertID.GetCertHash().Length;
					byte[] array;
					byte[] array2;
					if (!Arrays.ConstantTimeAreEqual(array, array2))
					{
						goto IL_21A;
					}
					TimeStampToken.CertID certID2 = this.certID;
					EssCertID essCertID2 = certID2.certID;
					if (essCertID2 != 0)
					{
					}
					if (certID2.certIDv2.issuerSerial == 0)
					{
						goto IL_12E;
					}
					if (essCertID2 != 0)
					{
						DerInteger serial = essCertID2.issuerSerial.serial;
						if (cert.Version == 0)
						{
							goto IL_1C6;
						}
						essCertID3 = this.certID.certID;
						if (essCertID3 != 0)
						{
							break;
						}
					}
				}
			}
			byte[] bytes = essCertID3.issuerSerial.serial.bytes;
			X509Name issuerX509Principal = PrincipalUtilities.GetIssuerX509Principal(cert);
			int num = 0;
			GeneralName[] array3;
			if (num == array3.Length)
			{
				TspValidationException ex = new TspValidationException("certificate name does not match certID for signature. ");
				throw new NullReferenceException();
			}
			GeneralName generalName = array3[num];
			if (generalName.tag != 4 || !X509Name.GetInstance(generalName.obj).Equivalent(issuerX509Principal))
			{
				num++;
			}
			IL_12E:
			TspUtil.ValidateCertificate(cert);
			DateTime genTime = this.tstInfo.genTime;
			if (!this.tsaSignerInfo.Verify(cert))
			{
				TspValidationException ex2 = new TspValidationException("signature not created by certificate.");
				throw new NullReferenceException();
			}
			if (!cert.hashValueSet)
			{
				return;
			}
			throw new NullReferenceException();
			IL_1C6:
			TspValidationException ex3 = new TspValidationException("certificate serial number does not match certID for signature.");
			throw new NullReferenceException();
			IL_21A:
			TspValidationException ex4 = new TspValidationException("certificate hash does not match certID hash.");
			throw new NullReferenceException();
		}

		// Token: 0x06009AD0 RID: 39632 RVA: 0x002013D0 File Offset: 0x001FF5D0
		[Token(Token = "0x6009AD0")]
		[Address(RVA = "0x3F6E20", Offset = "0x3F5C20", VA = "0x1803F6E20")]
		public CmsSignedData ToCmsSignedData()
		{
			return this.tsToken;
		}

		// Token: 0x06009AD1 RID: 39633 RVA: 0x002013E4 File Offset: 0x001FF5E4
		[Token(Token = "0x6009AD1")]
		[Address(RVA = "0x1B2C490", Offset = "0x1B2B290", VA = "0x181B2C490")]
		public byte[] GetEncoded()
		{
			return this.tsToken.GetEncoded();
		}

		// Token: 0x040068BE RID: 26814
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x40068BE")]
		private readonly CmsSignedData tsToken;

		// Token: 0x040068BF RID: 26815
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x40068BF")]
		private readonly SignerInformation tsaSignerInfo;

		// Token: 0x040068C0 RID: 26816
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x40068C0")]
		private readonly TimeStampTokenInfo tstInfo;

		// Token: 0x040068C1 RID: 26817
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x40068C1")]
		private readonly TimeStampToken.CertID certID;

		// Token: 0x0200196F RID: 6511
		[Token(Token = "0x200196F")]
		private class CertID
		{
			// Token: 0x06009AD2 RID: 39634 RVA: 0x00201404 File Offset: 0x001FF604
			[Token(Token = "0x6009AD2")]
			[Address(RVA = "0x1B151E0", Offset = "0x1B13FE0", VA = "0x181B151E0")]
			internal CertID(EssCertID certID)
			{
				this.certID = certID;
				this.certIDv2 = (ulong)0L;
			}

			// Token: 0x06009AD3 RID: 39635 RVA: 0x00201428 File Offset: 0x001FF628
			[Token(Token = "0x6009AD3")]
			[Address(RVA = "0x1B15210", Offset = "0x1B14010", VA = "0x181B15210")]
			internal CertID(EssCertIDv2 certID)
			{
				this.certIDv2 = certID;
				this.certID = (ulong)0L;
			}

			// Token: 0x06009AD4 RID: 39636 RVA: 0x0020144C File Offset: 0x001FF64C
			[Token(Token = "0x6009AD4")]
			[Address(RVA = "0x1B15020", Offset = "0x1B13E20", VA = "0x181B15020")]
			public string GetHashAlgorithmName()
			{
				if (this.certID == (ulong)0L)
				{
					EssCertIDv2 essCertIDv = this.certIDv2;
					DerObjectIdentifier idSha = NistObjectIdentifiers.IdSha256;
					if (essCertIDv.hashAlgorithm.ToAsn1Object() == 0)
					{
						Asn1Object asn1Object = this.certIDv2.hashAlgorithm.ToAsn1Object();
					}
					return "SHA-256";
				}
				return "SHA-1";
			}

			// Token: 0x06009AD5 RID: 39637 RVA: 0x002014A4 File Offset: 0x001FF6A4
			[Token(Token = "0x6009AD5")]
			[Address(RVA = "0x1B15130", Offset = "0x1B13F30", VA = "0x181B15130")]
			public AlgorithmIdentifier GetHashAlgorithm()
			{
				if (this.certID != (ulong)0L)
				{
					return new AlgorithmIdentifier(OiwObjectIdentifiers.IdSha1);
				}
				return this.certIDv2.hashAlgorithm;
			}

			// Token: 0x06009AD6 RID: 39638 RVA: 0x002014D8 File Offset: 0x001FF6D8
			[Token(Token = "0x6009AD6")]
			[Address(RVA = "0x1B14FE0", Offset = "0x1B13DE0", VA = "0x181B14FE0")]
			public byte[] GetCertHash()
			{
				EssCertID essCertID = this.certID;
				if (essCertID != 0)
				{
					return essCertID.GetCertHash();
				}
				return this.certIDv2.GetCertHash();
			}

			// Token: 0x170018C6 RID: 6342
			// (get) Token: 0x06009AD7 RID: 39639 RVA: 0x00201508 File Offset: 0x001FF708
			[Token(Token = "0x170018C6")]
			public IssuerSerial IssuerSerial
			{
				[Token(Token = "0x6009AD7")]
				[Address(RVA = "0x1B15240", Offset = "0x1B14040", VA = "0x181B15240")]
				get
				{
					EssCertID essCertID = this.certID;
					if (essCertID != 0)
					{
						return essCertID.issuerSerial;
					}
					return this.certIDv2.issuerSerial;
				}
			}

			// Token: 0x040068C2 RID: 26818
			[FieldOffset(Offset = "0x10")]
			[Token(Token = "0x40068C2")]
			private EssCertID certID;

			// Token: 0x040068C3 RID: 26819
			[FieldOffset(Offset = "0x18")]
			[Token(Token = "0x40068C3")]
			private EssCertIDv2 certIDv2;
		}
	}
}