Question about backdoors

David Shaw dshaw at
Mon Feb 9 13:43:48 CET 2004

eOn Mon, Feb 09, 2004 at 11:31:08AM -0600, kgriffi at wrote:
> I'm currently on break in a security class where someone has mentioned the 
> backdoor NAI put in PGP.  Since Gnupg is open source can/does something like 
> this exist?

I assume you are referring to the "Additional Decryption Key".  GnuPG
does not have such a thing.

Usually "backdoor" refers to something hidden inserted into the code.
ADKs are not hidden, but are an advertised - and certainly
controversial - feature of PGP.


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