using System;
using System.Collections;
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.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: 0x02001391 RID: 5009
	[Token(Token = "0x2001391")]
	[StructLayout(3)]
	public class TimeStampToken
	{
		// Token: 0x06007EEC RID: 32492 RVA: 0x001A9878 File Offset: 0x001A7A78
		[Token(Token = "0x6007EEC")]
		[Address(RVA = "0x1C6C970", Offset = "0x1C6B370", VA = "0x181C6C970")]
		public TimeStampToken(BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.ContentInfo contentInfo)
		{
			CmsSignedData cmsSignedData = new CmsSignedData(contentInfo);
		}

		// Token: 0x06007EED RID: 32493 RVA: 0x001A988C File Offset: 0x001A7A8C
		[Token(Token = "0x6007EED")]
		[Address(RVA = "0x1C6C9E0", Offset = "0x1C6B3E0", VA = "0x181C6C9E0")]
		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: 0x170014C1 RID: 5313
		// (get) Token: 0x06007EEE RID: 32494 RVA: 0x001A9A74 File Offset: 0x001A7C74
		[Token(Token = "0x170014C1")]
		public TimeStampTokenInfo TimeStampInfo
		{
			[Token(Token = "0x6007EEE")]
			[Address(RVA = "0x3C1220", Offset = "0x3BFC20", VA = "0x1803C1220")]
			get
			{
				return this.tstInfo;
			}
		}

		// Token: 0x170014C2 RID: 5314
		// (get) Token: 0x06007EEF RID: 32495 RVA: 0x001A9A88 File Offset: 0x001A7C88
		[Token(Token = "0x170014C2")]
		public SignerID SignerID
		{
			[Token(Token = "0x6007EEF")]
			[Address(RVA = "0x540790", Offset = "0x53F190", VA = "0x180540790")]
			get
			{
				return this.tsaSignerInfo.sid;
			}
		}

		// Token: 0x170014C3 RID: 5315
		// (get) Token: 0x06007EF0 RID: 32496 RVA: 0x001A9AA8 File Offset: 0x001A7CA8
		[Token(Token = "0x170014C3")]
		public BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.AttributeTable SignedAttributes
		{
			[Token(Token = "0x6007EF0")]
			[Address(RVA = "0x1C6D060", Offset = "0x1C6BA60", VA = "0x181C6D060")]
			get
			{
				return this.tsaSignerInfo.SignedAttributes;
			}
		}

		// Token: 0x170014C4 RID: 5316
		// (get) Token: 0x06007EF1 RID: 32497 RVA: 0x001A9AC8 File Offset: 0x001A7CC8
		[Token(Token = "0x170014C4")]
		public BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms.AttributeTable UnsignedAttributes
		{
			[Token(Token = "0x6007EF1")]
			[Address(RVA = "0x1C6D080", Offset = "0x1C6BA80", VA = "0x181C6D080")]
			get
			{
				return this.tsaSignerInfo.UnsignedAttributes;
			}
		}

		// Token: 0x06007EF2 RID: 32498 RVA: 0x001A9AE8 File Offset: 0x001A7CE8
		[Token(Token = "0x6007EF2")]
		[Address(RVA = "0x1C6C220", Offset = "0x1C6AC20", VA = "0x181C6C220")]
		public IX509Store GetCertificates(string type)
		{
			return this.tsToken.GetCertificates(type);
		}

		// Token: 0x06007EF3 RID: 32499 RVA: 0x001A9B08 File Offset: 0x001A7D08
		[Token(Token = "0x6007EF3")]
		[Address(RVA = "0x1C6C240", Offset = "0x1C6AC40", VA = "0x181C6C240")]
		public IX509Store GetCrls(string type)
		{
			return this.tsToken.GetCrls(type);
		}

		// Token: 0x06007EF4 RID: 32500 RVA: 0x001A9B28 File Offset: 0x001A7D28
		[Token(Token = "0x6007EF4")]
		[Address(RVA = "0x1C6C200", Offset = "0x1C6AC00", VA = "0x181C6C200")]
		public IX509Store GetAttributeCertificates(string type)
		{
			return this.tsToken.GetAttributeCertificates(type);
		}

		// Token: 0x06007EF5 RID: 32501 RVA: 0x001A9B48 File Offset: 0x001A7D48
		[Token(Token = "0x6007EF5")]
		[Address(RVA = "0x1C6C280", Offset = "0x1C6AC80", VA = "0x181C6C280")]
		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: 0x06007EF6 RID: 32502 RVA: 0x001A9DAC File Offset: 0x001A7FAC
		[Token(Token = "0x6007EF6")]
		[Address(RVA = "0x3C39A0", Offset = "0x3C23A0", VA = "0x1803C39A0")]
		public CmsSignedData ToCmsSignedData()
		{
			return this.tsToken;
		}

		// Token: 0x06007EF7 RID: 32503 RVA: 0x001A9DC0 File Offset: 0x001A7FC0
		[Token(Token = "0x6007EF7")]
		[Address(RVA = "0x1C6C260", Offset = "0x1C6AC60", VA = "0x181C6C260")]
		public byte[] GetEncoded()
		{
			return this.tsToken.GetEncoded();
		}

		// Token: 0x04005A7B RID: 23163
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4005A7B")]
		private readonly CmsSignedData tsToken;

		// Token: 0x04005A7C RID: 23164
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4005A7C")]
		private readonly SignerInformation tsaSignerInfo;

		// Token: 0x04005A7D RID: 23165
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4005A7D")]
		private readonly TimeStampTokenInfo tstInfo;

		// Token: 0x04005A7E RID: 23166
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4005A7E")]
		private readonly TimeStampToken.CertID certID;

		// Token: 0x02001392 RID: 5010
		[Token(Token = "0x2001392")]
		private class CertID
		{
			// Token: 0x06007EF8 RID: 32504 RVA: 0x001A9DE0 File Offset: 0x001A7FE0
			[Token(Token = "0x6007EF8")]
			[Address(RVA = "0xC25EB0", Offset = "0xC248B0", VA = "0x180C25EB0")]
			internal CertID(EssCertID certID)
			{
				this.certID = certID;
				this.certIDv2 = (ulong)0L;
			}

			// Token: 0x06007EF9 RID: 32505 RVA: 0x001A9E04 File Offset: 0x001A8004
			[Token(Token = "0x6007EF9")]
			[Address(RVA = "0x1C5E760", Offset = "0x1C5D160", VA = "0x181C5E760")]
			internal CertID(EssCertIDv2 certID)
			{
				this.certIDv2 = certID;
				this.certID = (ulong)0L;
			}

			// Token: 0x06007EFA RID: 32506 RVA: 0x001A9E28 File Offset: 0x001A8028
			[Token(Token = "0x6007EFA")]
			[Address(RVA = "0x1C5E5A0", Offset = "0x1C5CFA0", VA = "0x181C5E5A0")]
			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: 0x06007EFB RID: 32507 RVA: 0x001A9E80 File Offset: 0x001A8080
			[Token(Token = "0x6007EFB")]
			[Address(RVA = "0x1C5E6B0", Offset = "0x1C5D0B0", VA = "0x181C5E6B0")]
			public AlgorithmIdentifier GetHashAlgorithm()
			{
				if (this.certID != (ulong)0L)
				{
					return new AlgorithmIdentifier(OiwObjectIdentifiers.IdSha1);
				}
				return this.certIDv2.hashAlgorithm;
			}

			// Token: 0x06007EFC RID: 32508 RVA: 0x001A9EB4 File Offset: 0x001A80B4
			[Token(Token = "0x6007EFC")]
			[Address(RVA = "0x1C5E560", Offset = "0x1C5CF60", VA = "0x181C5E560")]
			public byte[] GetCertHash()
			{
				EssCertID essCertID = this.certID;
				if (essCertID != 0)
				{
					return essCertID.GetCertHash();
				}
				return this.certIDv2.GetCertHash();
			}

			// Token: 0x170014C5 RID: 5317
			// (get) Token: 0x06007EFD RID: 32509 RVA: 0x001A9EE4 File Offset: 0x001A80E4
			[Token(Token = "0x170014C5")]
			public IssuerSerial IssuerSerial
			{
				[Token(Token = "0x6007EFD")]
				[Address(RVA = "0x1C5E790", Offset = "0x1C5D190", VA = "0x181C5E790")]
				get
				{
					EssCertID essCertID = this.certID;
					if (essCertID != 0)
					{
						return essCertID.issuerSerial;
					}
					return this.certIDv2.issuerSerial;
				}
			}

			// Token: 0x04005A7F RID: 23167
			[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
			[Token(Token = "0x4005A7F")]
			private EssCertID certID;

			// Token: 0x04005A80 RID: 23168
			[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
			[Token(Token = "0x4005A80")]
			private EssCertIDv2 certIDv2;
		}
	}
}