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On
obtaining "lawful interception" documents
Some of the documents
John Young already has collected on cryptome can be downloaded
from the European
Telecom Standards Institute Site as well. They are buried in
a state of the art database with hundreds of other technical
standards, but they are neither very hard to find nor hard to
get. You need to register
first with ETSI and wait until you get an email confirmation.
Then type in
the word "lawful" [without quotation marks].
This keyword triggers
the output of about 20 documents on interception interfaces for
all kind of digital networks [ISDN, GSM,
GPRS, UMTS
and others].
You can get for example the currently valid meta surveillance
standard ETSI ES
201.671 [Version 1.1.1 from June 99 including digital
telephony] free of charge from ETSI. But you will not get
the draft version they are currently working at.
Edition
2 Draft 13 already contains the
interception proposals for the new General
Packet Radio Service that will be piped over existing
European cellular GSM-networks in the very near future. But more
on that later.
Unlike other ETSI
working groups the "Lawful
Interception Working Group" [ETSI SEC WG LI] develop
their standards confidentially until the date of formal
publication. There are of course other documents the members of
the Working
Group SEC LI distribute strictly amongst themselves. Some of
those documents should find their way to cryptome as well for
evaluation by the competent and the interested.
It takes some time
indeed to detect the juicy passages they undeniably contain
amongst the sheer mass of networking commands and protocols.
That is why this brief series of tutorials on what has been
known from 1997 as the "EU-FBI
surveillance system" and later was brand
named "ENFOPOL" in Europe are being offered.
Expertise from around
the world is truly welcome, just email John
Young or Erich
M.
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