the key name should be based on a hash so as to ensure

that the string used in the key is consistently under 50 charachers.

THis is important because the platform cache key cannot be greater than 50
characters.  String concatenation of SObject and class name can easily exceed
this 50 character limit; especially considering includsion of namespaces

force-di/main/classes/di_PlatformCache.cls

@@ -84,20 +84,15 @@ public with sharing class di_PlatformCache
             getCacheKeyIndexMap().get(workingDeveloperName).put( binding.bindingObject, new Set<String>() );
         }
 
-        getCacheKeyIndexMap().get(workingDeveloperName).get( binding.bindingObject).add(getKeyName(binding));
+        getCacheKeyIndexMap().get(workingDeveloperName).get(binding.bindingObject).add(getKeyName(binding));
 
         pushCacheKeyIndexMapToCache();
     }
 
     private String constructKeyName( Schema.SObjectType bindingSObjectType, String developerName )
     {
-        if ( bindingSObjectType != null ) {
-            return bindingSObjectType.getDescribe().getName().toLowerCase().left(19) + 'P' 
-                + developerName.toLowerCase().trim().replaceAll('_', 'D').replaceAll('\\.','DT').left(30);
-        }
-        else {
-            return developerName.toLowerCase().trim().replaceAll('_', 'D').replaceAll('\\.','DT').left(50);
-        }
+        return ( ( bindingSObjectType != null ) ? bindingSObjectType.getDescribe().getName().toLowerCase() : '' )
+            + developerName.toLowerCase().trim().hashCode();
     }
 
     private String getKeyName( String developerName, Schema.SObjectType bindingSObjectType)