2 files changed, 10 insertions, 2 deletions
diff --git a/crypto/src/asn1/cryptopro/GOST3410PublicKeyAlgParameters.cs b/crypto/src/asn1/cryptopro/GOST3410PublicKeyAlgParameters.cs
index 32a8fb226..c32025ef6 100644
--- a/crypto/src/asn1/cryptopro/GOST3410PublicKeyAlgParameters.cs
+++ b/crypto/src/asn1/cryptopro/GOST3410PublicKeyAlgParameters.cs
@@ -49,7 +49,8 @@ namespace Org.BouncyCastle.Asn1.CryptoPro
             this.encryptionParamSet = encryptionParamSet;
         }
 
-		public Gost3410PublicKeyAlgParameters(
+        [Obsolete("Use 'GetInstance' instead")]
+        public Gost3410PublicKeyAlgParameters(
             Asn1Sequence seq)
         {
             this.publicKeyParamSet = (DerObjectIdentifier) seq[0];
diff --git a/crypto/src/asn1/x9/X962Parameters.cs b/crypto/src/asn1/x9/X962Parameters.cs
index 04a5c9cbe..5bdabc647 100644
--- a/crypto/src/asn1/x9/X962Parameters.cs
+++ b/crypto/src/asn1/x9/X962Parameters.cs
@@ -49,7 +49,14 @@ namespace Org.BouncyCastle.Asn1.X9
             this._params = namedCurve;
         }
 
-		public X962Parameters(
+        public X962Parameters(
+            Asn1Null obj)
+        {
+            this._params = obj;
+        }
+
+        [Obsolete("Use 'GetInstance' instead")]
+        public X962Parameters(
             Asn1Object obj)
         {
             this._params = obj;