As you can read in this [topic="9075"]topic[/topic]
QUOTE(MrG @ Feb 19 2007, 12:08 PM) [snapback]63310[/snapback]
This feature is coming soon...

Recuva will probably use the same secure deletion algorythms as CCleaner (simple overwrite (1 pass), DoD 5220.22-M (3 passes), NSA (7 passes))