This marker interface should be implemented by classes that provide some form of protection for the entries in a KeyStore . public interface KeyStore.ProtectionParameter { } ImplementationsKeyStore.CallbackHandlerProtection , KeyStore.PasswordProtection Passed ToKeyStore.{getEntry( ) , setEntry( )} , KeyStore.Builder.newInstance( ) , KeyStoreSpi.{engineGetEntry( ) , engineSetEntry( )} Returned ByKeyStore.Builder.getProtectionParameter( ) , KeyStore.LoadStoreParameter.getProtectionParameter( ) |