The WWII P forgot

[David Gentle]

> 
> Good news, the stolen Enigma machine has been returned.
> See the site below for details.
> http://www.bbc.co.uk/birmingham/news/102000/18/enigma.shtml
> 
> Note the literary reference in the ransom note: P. G. Wodehouse.
> Neat, a refined, well read Brit thug. Nobody's been nabbed, so
> I'm not sure if Scotland Yard has put this baby to bed.
> 
> Turing's ghost can rest easy now, and stop lurking around
> Whitehall.
When was the Bletchly park codebreaking thing actually made public? Would P have been aware of it?