diff --git a/DigitalData.Core.Abstractions/Security/IRSACryptographer.cs b/DigitalData.Core.Abstractions/Security/IRSACryptographer.cs
index ba3a85f..966081f 100644
--- a/DigitalData.Core.Abstractions/Security/IRSACryptographer.cs
+++ b/DigitalData.Core.Abstractions/Security/IRSACryptographer.cs
@@ -2,14 +2,14 @@
 
 namespace DigitalData.Core.Abstractions.Security
 {
-    public interface IRSACryptographer
+    public interface IRSACryptographer : ISecurityIdentifier
     {
         public string Pem { get; init; }
 
         public RSAEncryptionPadding Padding { get; init; }
         
-        public string Issuer { get; init; }
+        public new string Issuer { get; init; }
 
-        public string Audience { get; init; }
+        public new string Audience { get; init; }
     }
 }
\ No newline at end of file
diff --git a/DigitalData.Core.Security/Config/TokenDescription.cs b/DigitalData.Core.Security/Config/TokenDescription.cs
index 9c357aa..57ea58d 100644
--- a/DigitalData.Core.Security/Config/TokenDescription.cs
+++ b/DigitalData.Core.Security/Config/TokenDescription.cs
@@ -1,16 +1,17 @@
-using Microsoft.IdentityModel.Tokens;
+using DigitalData.Core.Abstractions.Security;
+using Microsoft.IdentityModel.Tokens;
 
 namespace DigitalData.Core.Security.Config
 {
     /// <summary>
     /// Contains some information which used to create a security token. Designed to abstract <see cref="SecurityTokenDescriptor"/>
     /// </summary>
-    public class TokenDescription
+    public class TokenDescription : ISecurityIdentifier
     {
         /// <summary>
         /// Gets or sets the value of the 'audience' claim.
         /// </summary>
-        public string Audience { get; set; }
+        public new string Audience { get; set; }
 
         /// <summary>
         /// Defines the compression algorithm that will be used to compress the JWT token payload.
@@ -30,7 +31,7 @@ namespace DigitalData.Core.Security.Config
         /// <summary>
         /// Gets or sets the issuer of this <see cref="ITokenDescription"/>.
         /// </summary>
-        public string Issuer { get; set; }
+        public new string Issuer { get; set; }
 
         /// <summary>
         /// Gets or sets the time the security token was issued. This value should be in UTC.