diff --git a/DigitalData.Core.Abstractions/Security/IAsymCryptService.cs b/DigitalData.Core.Abstractions/Security/IAsymCryptService.cs
index d832fc1..7a31a44 100644
--- a/DigitalData.Core.Abstractions/Security/IAsymCryptService.cs
+++ b/DigitalData.Core.Abstractions/Security/IAsymCryptService.cs
@@ -3,6 +3,8 @@
     public interface IAsymCryptService : IRSAFactory
     {
         public IEnumerable<IRSADecryptor> Decryptors { get; }
+
+        public IRSADecryptor this[string key] { get; }
     }
 
     public interface IAsymCryptService<TParams> : IAsymCryptService, IRSAFactory<TParams> { }