Dutch Government wants to regulate strong cryptography
Owen Blacker
owen@flirble.org
Thu Oct 11 14:55:02 2001
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Remco wrote (2001-10-10 T 21:42 -0000):
>
> > > and how would they be able to build in a backdoor
> >
> > There are several methods for that. The most straightforward one
> > would be to use an ADK.
>
> Eeeeehhhh, Ai Don't Know? A Dumb Kwestion?
Additional Decryption Key. It was a corporate-requested feature in NAI
PGP that has never been (and, at a guess, is very unlikely ever to be)
implemented in GPG.
Basically, it allows to keyholder (to be forced) to nominate an
additional secretkey that can be used to decrypt any information
encrypted to their secretkey.
The stereotypical usage would be for a
company to ensure that all business comms from their staff were
encrypted with keys that nominated the Company Key as an ADK so that, if
the need arose, the company could decrypt those comms (if the staff
member left / died / whatever).
Obviously, it could also be used to grant law enforcement access, for
example, but I think it would be ridiculously futile to attempt to
legislate that this be mandatory. Governments just don't seem to grasp
that Bad People won't bother following the law on crypto use and will
just use un-broken crypto.
O x
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Owen Blacker | Senior Software Developer and InfoSecurity Consultant
See http://www.owens-place.org.uk/pgp.html -- more about my PGP keys
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They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety --Benjamin Franklin, 1759
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