12-20-2013 10:12PM (ET) In response to the recent revelations about the NSA backdooring RSA libraries I've compiled a brief, incomplete, history of NSA backdoors. Help me make it better by emailing corrections and additions to [email protected]. Update: added Actel backdoor, Update 2: There is a hackernews thread for discussion. Update 3: Added Newly discovered postal inception backdoor installation. 1946-1970, The Ultra Secret: After WW2, the British Empire sold captured German Enigma c...