init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Pkix/PkixCrlUtilities.cs

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+using System;
+using System.Collections;
+using Org.BouncyCastle.Utilities.Collections;
+using Org.BouncyCastle.X509;
+using Org.BouncyCastle.X509.Store;
+
+namespace Org.BouncyCastle.Pkix;
+
+public class PkixCrlUtilities
+{
+	public virtual ISet FindCrls(X509CrlStoreSelector crlselect, PkixParameters paramsPkix, DateTime currentDate)
+	{
+		ISet set = new HashSet();
+		try
+		{
+			set.AddAll(FindCrls(crlselect, paramsPkix.GetAdditionalStores()));
+			set.AddAll(FindCrls(crlselect, paramsPkix.GetStores()));
+		}
+		catch (Exception innerException)
+		{
+			throw new Exception("Exception obtaining complete CRLs.", innerException);
+		}
+		ISet set2 = new HashSet();
+		DateTime dateTime = currentDate;
+		if (paramsPkix.Date != null)
+		{
+			dateTime = paramsPkix.Date.Value;
+		}
+		foreach (X509Crl item in set)
+		{
+			if (item.NextUpdate.Value.CompareTo((object?)dateTime) <= 0)
+			{
+				continue;
+			}
+			X509Certificate certificateChecking = crlselect.CertificateChecking;
+			if (certificateChecking != null)
+			{
+				if (item.ThisUpdate.CompareTo((object?)certificateChecking.NotAfter) < 0)
+				{
+					set2.Add(item);
+				}
+			}
+			else
+			{
+				set2.Add(item);
+			}
+		}
+		return set2;
+	}
+
+	public virtual ISet FindCrls(X509CrlStoreSelector crlselect, PkixParameters paramsPkix)
+	{
+		ISet set = new HashSet();
+		try
+		{
+			set.AddAll(FindCrls(crlselect, paramsPkix.GetStores()));
+			return set;
+		}
+		catch (Exception innerException)
+		{
+			throw new Exception("Exception obtaining complete CRLs.", innerException);
+		}
+	}
+
+	private ICollection FindCrls(X509CrlStoreSelector crlSelect, IList crlStores)
+	{
+		ISet set = new HashSet();
+		Exception ex = null;
+		bool flag = false;
+		foreach (IX509Store crlStore in crlStores)
+		{
+			try
+			{
+				set.AddAll(crlStore.GetMatches(crlSelect));
+				flag = true;
+			}
+			catch (X509StoreException innerException)
+			{
+				ex = new Exception("Exception searching in X.509 CRL store.", innerException);
+			}
+		}
+		if (!flag && ex != null)
+		{
+			throw ex;
+		}
+		return set;
+	}
+}