diff --git a/DigitalData.Core.Security/Config/AsymCryptParams.cs b/DigitalData.Core.Security/Config/AsymCryptParams.cs
index a2a2a24..e991cc1 100644
--- a/DigitalData.Core.Security/Config/AsymCryptParams.cs
+++ b/DigitalData.Core.Security/Config/AsymCryptParams.cs
@@ -6,19 +6,22 @@ namespace DigitalData.Core.Security.Config
     {
         public string PemDirectory { get; init; } = string.Empty;
 
+        /// <summary>
+        /// Represents the separator used to concatenate the components of a token string.
+        /// </summary>
+        /// <remarks>
+        /// The resulting token string is constructed as follows:
+        /// <c>string.Join(Separator, Issuer, Audience, Secret_version)</c>.
+        /// If <c>Secret_version</c> is not null, it will be included in the concatenation.
+        /// </remarks>
+        /// <example>
+        /// For example, if <c>Separator = "_-_"</c>, the output might look like:
+        /// <c>"Issuer_-_Audience_-_Secret_version"</c>.
+        /// </example>
         public string Separator { get; init; } = "_-_";
 
         public IEnumerable<RSADecryptor> Decryptors { get; init; } = new List<RSADecryptor>();
 
-        /// <summary>
-        /// 0: Issuer - 1: Audience - 2: Secret version (if is encrypted)
-        /// </summary>
-        private string CreateFileName(params object[] objs) => string.Join(Separator, objs);
-
-        private string CreatePem(bool isEncrypted) => isEncrypted
-            ? Instance.RSAFactory.CreateEncryptedPrivateKeyPem(pbeParameters: PbeParameters, keySizeInBits: KeySizeInBits, password: Secrets.PBE_PASSWORD)
-            : Instance.RSAFactory.CreatePrivateKeyPem(keySizeInBits: KeySizeInBits);
-
         public override void OnDeserialized()
         {
             base.OnDeserialized();
@@ -36,15 +39,19 @@ namespace DigitalData.Core.Security.Config
                     if (crypt.Encrypt)
                         file_name_params.Add(Secrets.Version);
 
-                    var file_name = CreateFileName(file_name_params);
-                    var path = Path.Combine(PemDirectory, file_name);
+                    var path = Path.Combine(PemDirectory, string.Join(Separator, file_name_params));
 
                     if (File.Exists(path))
                         crypt.SetPem(File.ReadAllText(path));
                     else
                     {
-                        var pem = CreatePem(crypt.Encrypt);
+                        var pem = crypt.Encrypt
+                            ? Instance.RSAFactory.CreateEncryptedPrivateKeyPem(pbeParameters: PbeParameters, keySizeInBits: KeySizeInBits, password: Secrets.PBE_PASSWORD)
+                            : Instance.RSAFactory.CreatePrivateKeyPem(keySizeInBits: KeySizeInBits);
+
                         crypt.SetPem(File.ReadAllText(pem));
+
+                        // Save file in background
                         Task.Run(async () => await File.WriteAllTextAsync(path: path, pem));
                     }
                 }