2 files changed, 55 insertions, 19 deletions

diff --git a/crypto/src/asn1/pkcs/CertBag.cs b/crypto/src/asn1/pkcs/CertBag.cs
index ddaa353fb..b32b10ae0 100644
--- a/crypto/src/asn1/pkcs/CertBag.cs
+++ b/crypto/src/asn1/pkcs/CertBag.cs
@@ -14,39 +14,31 @@ namespace Org.BouncyCastle.Asn1.Pkcs
             return new CertBag(Asn1Sequence.GetInstance(obj));
         }
 
-        private readonly DerObjectIdentifier certID;
-        private readonly Asn1Object certValue;
+        private readonly DerObjectIdentifier m_certID;
+        private readonly Asn1Object m_certValue;
 
 		private CertBag(Asn1Sequence seq)
         {
 			if (seq.Count != 2)
-				throw new ArgumentException("Wrong number of elements in sequence", "seq");
+				throw new ArgumentException("Wrong number of elements in sequence", nameof(seq));
 
-            this.certID = DerObjectIdentifier.GetInstance(seq[0]);
-            this.certValue = Asn1TaggedObject.GetInstance(seq[1]).GetObject();
+            this.m_certID = DerObjectIdentifier.GetInstance(seq[0]);
+            this.m_certValue = Asn1TaggedObject.GetInstance(seq[1]).GetObject();
         }
 
-		public CertBag(
-            DerObjectIdentifier	certID,
-            Asn1Object			certValue)
+		public CertBag(DerObjectIdentifier certID, Asn1Object certValue)
         {
-            this.certID = certID;
-            this.certValue = certValue;
+            m_certID = certID;
+            m_certValue = certValue;
         }
 
-		public virtual DerObjectIdentifier CertID
-		{
-			get { return certID; }
-		}
+        public virtual DerObjectIdentifier CertID => m_certID;
 
-		public virtual Asn1Object CertValue
-		{
-			get { return certValue; }
-		}
+        public virtual Asn1Object CertValue => m_certValue;
 
 		public override Asn1Object ToAsn1Object()
         {
-			return new DerSequence(certID, new DerTaggedObject(0, certValue));
+			return new DerSequence(m_certID, new DerTaggedObject(0, m_certValue));
         }
     }
 }
diff --git a/crypto/src/asn1/pkcs/CrlBag.cs b/crypto/src/asn1/pkcs/CrlBag.cs
new file mode 100644
index 000000000..5cc68ace4
--- /dev/null
+++ b/crypto/src/asn1/pkcs/CrlBag.cs
@@ -0,0 +1,44 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.Pkcs
+{
+    public class CrlBag
+        : Asn1Encodable
+    {
+        public static CrlBag GetInstance(object obj)
+        {
+            if (obj is CrlBag crlBag)
+                return crlBag;
+            if (obj == null)
+                return null;
+            return new CrlBag(Asn1Sequence.GetInstance(obj));
+        }
+
+        private readonly DerObjectIdentifier m_crlID;
+        private readonly Asn1Encodable m_crlValue;
+
+        private CrlBag(Asn1Sequence seq)
+        {
+            if (seq.Count != 2)
+                throw new ArgumentException("Wrong number of elements in sequence", nameof(seq));
+
+            m_crlID = DerObjectIdentifier.GetInstance(seq[0]);
+            m_crlValue = Asn1TaggedObject.GetInstance(seq[1]).GetObject();
+        }
+
+        public CrlBag(DerObjectIdentifier crlID, Asn1Encodable crlValue)
+        {
+            m_crlID = crlID;
+            m_crlValue = crlValue;
+        }
+
+        public virtual DerObjectIdentifier CrlID => m_crlID;
+
+        public virtual Asn1Encodable CrlValue => m_crlValue;
+
+        public override Asn1Object ToAsn1Object()
+        {
+            return new DerSequence(m_crlID, new DerTaggedObject(0, m_crlValue));
+        }
+    }
+}