case 4586 - bouncycastle and also had to do mailkit as it was providing an old version of bounceycastle causing conflict

server/AyaNova/util/License.cs

@@ -11,9 +11,12 @@ using System.Linq;
 using Microsoft.Extensions.Logging;
 using Microsoft.EntityFrameworkCore;
 
-//JSON KEY
-using Org.BouncyCastle.Security;
+
+using Org.BouncyCastle.Crypto;
 using Org.BouncyCastle.OpenSsl;
+using Org.BouncyCastle.Security;
+
+//JSON KEY
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 
@@ -963,7 +966,7 @@ EQIDAQAB
 
 
                 PemReader pr = new PemReader(new StringReader(publicPem));
-                var KeyParameter = (Org.BouncyCastle.Crypto.AsymmetricKeyParameter)pr.ReadObject();
+                var KeyParameter = (AsymmetricKeyParameter)pr.ReadObject();
                 var signer = SignerUtilities.GetSigner("SHA256WITHRSA");
                 signer.Init(false, KeyParameter);
                 var expectedSig = Convert.FromBase64String(keySig);