diff --git a/DigitalData.Core.Abstractions/Security/IRSADecryptor.cs b/DigitalData.Core.Abstractions/Security/IRSADecryptor.cs
index 9e7ded4..ec8f069 100644
--- a/DigitalData.Core.Abstractions/Security/IRSADecryptor.cs
+++ b/DigitalData.Core.Abstractions/Security/IRSADecryptor.cs
@@ -1,4 +1,6 @@
-namespace DigitalData.Core.Abstractions.Security
+using Microsoft.IdentityModel.Tokens;
+
+namespace DigitalData.Core.Abstractions.Security
 {
     public interface IRSADecryptor : IRSACryptographer
     {
@@ -9,5 +11,7 @@
         byte[] Decrypt(byte[] data);
 
         string Decrypt(string data);
+
+        SigningCredentials CreateSigningCredentials(string algorithm = SecurityAlgorithms.RsaSha256, string? digest = null);
     }
 }
\ No newline at end of file
diff --git a/DigitalData.Core.Security/Cryptographer/RSADecryptor.cs b/DigitalData.Core.Security/Cryptographer/RSADecryptor.cs
index d1556f4..5171684 100644
--- a/DigitalData.Core.Security/Cryptographer/RSADecryptor.cs
+++ b/DigitalData.Core.Security/Cryptographer/RSADecryptor.cs
@@ -1,5 +1,4 @@
 using DigitalData.Core.Abstractions.Security;
-using DigitalData.Core.Security.Config;
 using Microsoft.IdentityModel.Tokens;
 using System.Security.Cryptography;