Quoting "Steven M. Bellovin" <[EMAIL PROTECTED]>:

In an article on disk encryption
(http://www.theregister.co.uk/2006/04/26/pgp_infosec/), the following
paragraph appears:

        BitLocker has landed Redmond in some hot water over its insistence
        that there are no back doors for law enforcement. As its
        encryption code is open source, PGP says it can guarantee no back
        doors, but that cyber sleuths can use its master keys if

What is a "master key" in this context?

ADK, the Additional Decryption Key.   An enterprise with a Managed
PGP Desktop installed base can set up an ADK and all messages get
encrypted to the ADK in addition to the recipient's key.

                --Steven M. Bellovin, http://www.cs.columbia.edu/~smb


      Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
      Member, MIT Student Information Processing Board  (SIPB)
      URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
      [EMAIL PROTECTED]                        PGP key available

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