diff --git a/DigitalData.Core.Abstractions/Security/SecurityExtensions.cs b/DigitalData.Core.Abstractions/Security/SecurityExtensions.cs
index f62f3fd..497a421 100644
--- a/DigitalData.Core.Abstractions/Security/SecurityExtensions.cs
+++ b/DigitalData.Core.Abstractions/Security/SecurityExtensions.cs
@@ -19,5 +19,11 @@
 #pragma warning restore CS8601 // Possible null reference assignment.
             return context is not null;
         }
+
+        public static TUniqueSecurityContext Match<TUniqueSecurityContext>(this IEnumerable<TUniqueSecurityContext> contextes, IUniqueSecurityContext lookupContext) where TUniqueSecurityContext : IUniqueSecurityContext
+            => contextes.Get(lookupContext.Issuer, lookupContext.Audience);
+
+        public static bool TryMatch<TUniqueSecurityContext>(this IEnumerable<TUniqueSecurityContext> contextes, IUniqueSecurityContext lookupContext, out TUniqueSecurityContext context) where TUniqueSecurityContext : IUniqueSecurityContext
+            => contextes.TryGet(lookupContext.Issuer, lookupContext.Audience, out context);
     }
 }
\ No newline at end of file