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Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/x509/X509V2CRLGenerator.cs

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+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Math;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Security.Certificates;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Utilities;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.X509
+{
+	/**
+	* class to produce an X.509 Version 2 CRL.
+	*/
+	public class X509V2CrlGenerator
+	{
+		private readonly X509ExtensionsGenerator extGenerator = new X509ExtensionsGenerator();
+
+		private V2TbsCertListGenerator tbsGen;
+
+		public X509V2CrlGenerator()
+		{
+			tbsGen = new V2TbsCertListGenerator();
+		}
+
+		/**
+		* reset the generator
+		*/
+		public void Reset()
+		{
+			tbsGen = new V2TbsCertListGenerator();
+			extGenerator.Reset();
+		}
+
+		/**
+		* Set the issuer distinguished name - the issuer is the entity whose private key is used to sign the
+		* certificate.
+		*/
+		public void SetIssuerDN(
+			X509Name issuer)
+		{
+			tbsGen.SetIssuer(issuer);
+		}
+
+		public void SetThisUpdate(
+			DateTime date)
+		{
+			tbsGen.SetThisUpdate(new Time(date));
+		}
+
+		public void SetNextUpdate(
+			DateTime date)
+		{
+			tbsGen.SetNextUpdate(new Time(date));
+		}
+
+		/**
+		* Reason being as indicated by CrlReason, i.e. CrlReason.KeyCompromise
+		* or 0 if CrlReason is not to be used
+		**/
+		public void AddCrlEntry(
+			BigInteger	userCertificate,
+			DateTime	revocationDate,
+			int			reason)
+		{
+			tbsGen.AddCrlEntry(new DerInteger(userCertificate), new Time(revocationDate), reason);
+		}
+
+		/**
+		* Add a CRL entry with an Invalidity Date extension as well as a CrlReason extension.
+		* Reason being as indicated by CrlReason, i.e. CrlReason.KeyCompromise
+		* or 0 if CrlReason is not to be used
+		**/
+		public void AddCrlEntry(
+			BigInteger	userCertificate,
+			DateTime	revocationDate,
+			int			reason,
+			DateTime	invalidityDate)
+		{
+			tbsGen.AddCrlEntry(new DerInteger(userCertificate), new Time(revocationDate), reason,
+				new Asn1GeneralizedTime(invalidityDate));
+		}
+
+		/**
+		* Add a CRL entry with extensions.
+		**/
+		public void AddCrlEntry(
+			BigInteger		userCertificate,
+			DateTime		revocationDate,
+			X509Extensions	extensions)
+		{
+			tbsGen.AddCrlEntry(new DerInteger(userCertificate), new Time(revocationDate), extensions);
+		}
+
+		/**
+		* Add the CRLEntry objects contained in a previous CRL.
+		*
+		* @param other the X509Crl to source the other entries from.
+		*/
+		public void AddCrl(X509Crl other)
+		{
+			if (other == null)
+				throw new ArgumentNullException("other");
+
+			var revocations = other.GetRevokedCertificates();
+
+			if (revocations != null)
+			{
+				foreach (X509CrlEntry entry in revocations)
+				{
+					try
+					{
+						tbsGen.AddCrlEntry(
+							Asn1Sequence.GetInstance(
+							Asn1Object.FromByteArray(entry.GetEncoded())));
+					}
+					catch (IOException e)
+					{
+						throw new CrlException("exception processing encoding of CRL", e);
+					}
+				}
+			}
+		}
+
+		/**
+		* add a given extension field for the standard extensions tag (tag 0)
+		*/
+		public void AddExtension(
+			string			oid,
+			bool			critical,
+			Asn1Encodable	extensionValue)
+		{
+			extGenerator.AddExtension(new DerObjectIdentifier(oid), critical, extensionValue);
+		}
+
+		/**
+		* add a given extension field for the standard extensions tag (tag 0)
+		*/
+		public void AddExtension(
+			DerObjectIdentifier	oid,
+			bool				critical,
+			Asn1Encodable		extensionValue)
+		{
+			extGenerator.AddExtension(oid, critical, extensionValue);
+		}
+
+		/**
+		* add a given extension field for the standard extensions tag (tag 0)
+		*/
+		public void AddExtension(
+			string	oid,
+			bool	critical,
+			byte[]	extensionValue)
+		{
+			extGenerator.AddExtension(new DerObjectIdentifier(oid), critical, new DerOctetString(extensionValue));
+		}
+
+		/**
+		* add a given extension field for the standard extensions tag (tag 0)
+		*/
+		public void AddExtension(
+			DerObjectIdentifier	oid,
+			bool				critical,
+			byte[]				extensionValue)
+		{
+			extGenerator.AddExtension(oid, critical, new DerOctetString(extensionValue));
+		}
+
+		/// <summary>
+		/// Generate a new <see cref="X509Crl"/> using the provided <see cref="ISignatureFactory"/>.
+		/// </summary>
+		/// <param name="signatureFactory">A <see cref="ISignatureFactory">signature factory</see> with the necessary
+		/// algorithm details.</param>
+		/// <returns>An <see cref="X509Crl"/>.</returns>
+		public X509Crl Generate(ISignatureFactory signatureFactory)
+        {
+			var sigAlgID = (AlgorithmIdentifier)signatureFactory.AlgorithmDetails;
+
+			tbsGen.SetSignature(sigAlgID);
+
+			if (!extGenerator.IsEmpty)
+			{
+				tbsGen.SetExtensions(extGenerator.Generate());
+			}
+
+			TbsCertificateList tbsCertList = tbsGen.GenerateTbsCertList();
+
+            IStreamCalculator<IBlockResult> streamCalculator = signatureFactory.CreateCalculator();
+			using (Stream sigStream = streamCalculator.Stream)
+			{
+				tbsCertList.EncodeTo(sigStream, Asn1Encodable.Der);
+			}
+
+			var signature = streamCalculator.GetResult().Collect();
+
+			return new X509Crl(
+				CertificateList.GetInstance(new DerSequence(tbsCertList, sigAlgID, new DerBitString(signature))));
+		}
+
+		/// <summary>
+		/// Allows enumeration of the signature names supported by the generator.
+		/// </summary>
+		public IEnumerable<string> SignatureAlgNames
+		{
+			get { return X509Utilities.GetAlgNames(); }
+		}
+	}
+}
+#pragma warning restore
+#endif