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path: root/crypto/src/asn1/DerPrintableString.cs
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Diffstat (limited to 'crypto/src/asn1/DerPrintableString.cs')
-rw-r--r--crypto/src/asn1/DerPrintableString.cs22
1 files changed, 12 insertions, 10 deletions
diff --git a/crypto/src/asn1/DerPrintableString.cs b/crypto/src/asn1/DerPrintableString.cs
index 3c44a2d52..5830afa47 100644
--- a/crypto/src/asn1/DerPrintableString.cs
+++ b/crypto/src/asn1/DerPrintableString.cs
@@ -30,21 +30,23 @@ namespace Org.BouncyCastle.Asn1
          */
         public static DerPrintableString GetInstance(object obj)
         {
-            if (obj == null || obj is DerPrintableString)
-            {
-                return (DerPrintableString)obj;
-            }
-            else if (obj is IAsn1Convertible)
+            if (obj == null)
+                return null;
+
+            if (obj is DerPrintableString derPrintableString)
+                return derPrintableString;
+
+            if (obj is IAsn1Convertible asn1Convertible)
             {
-                Asn1Object asn1Object = ((IAsn1Convertible)obj).ToAsn1Object();
-                if (asn1Object is DerPrintableString)
-                    return (DerPrintableString)asn1Object;
+                Asn1Object asn1Object = asn1Convertible.ToAsn1Object();
+                if (asn1Object is DerPrintableString converted)
+                    return converted;
             }
-            else if (obj is byte[])
+            else if (obj is byte[] bytes)
             {
                 try
                 {
-                    return (DerPrintableString)Meta.Instance.FromByteArray((byte[])obj);
+                    return (DerPrintableString)Meta.Instance.FromByteArray(bytes);
                 }
                 catch (IOException e)
                 {