Phil Zimmermann, the creator of Pretty Good Privacy (PGP), responds to the recent flaw discovered in Network Associates implementation of the Additional Decryption Key (ADK) feature. This is a key escrow account that allows a responsible third-party to gain access to encrypted messages when the original key is lost. Many believe the feature is the result of a government conspiracy. Here's the explanation of the problem and rebuttal to the conspiracy argument sent by Zimmermann to Senior Editor Ellen Messmer