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Happy Hacker Digest March 28-29 1997
      This is a moderated list for discussions of *legal* hacking.
                        Moderator: Carolyn Meinel

            OR to the Hackers forum: http://www.infowar.com
Digest archives are held under the "New" button at the Infowar site

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Table of Contents

· Infowar IRC Update
· Dangers of Port 19
· !!!!!:)GALF;)!!!!!
· Changing IE, Netscape Animated Logos
· IRC Stuph
· Hacking Port 25
· Windoze Hacking
· PHF Attacks
· Update from the Front on the War Against Spam
· Phreak ISDN
· Cracking Questions
· Calling Indianapolis Hackers

 *** Infowar IRC Update

Carolyn: Despite warnings from the National Computer Security Association
that a gang of computer vandals was going to trash the Infowar IRC server
for my visit the evening of March 27, we went on-line anyhow. We had an
assortment of attacks. But our volunteers quelled the lamers. So we managed
to have an entertaining evening. Thanks to all! Following is Supreme IRC Cop
Betty's report on Infowar IRC copdom:

From: "Betty G. O'Hearn" <betty@infowar.com>

Hello everyone.

Two news items...

Wolfkill has been added as an IRCop and

Leprekon has been named Coordinator.

This will bring our op pool to 7 which hopefully should be able to give us
some coverage around the clock. We are also representing several time zones.

Thank you for your assistance and willingness to work for free! lol  This
will be a good resume builder for you also.  You work/manage for free....
but you gain tremendous experience and personal/professional growth. I will
give you a glowing recommendation for your future job search.

We have the Coordinator to relieve WebWarrior and me of administrative
duties.  I know he will do a great job.

We are running a series of WebEvents... so we will need some man power.  Lep
can coordinate all the security/protections he thinks we need.  As you know
the first one was March 27 with Carolyn.  Then we will start a 4series next
week on Terrorism...( in another room)  so someone will need to man that
channel and also Winn Schwartau will be featured along the away along with
several names that are very prominent in the field of Infowar and Infosec.
The Coordinator will arrange for all coverage.

All Web Events will be logged.

WebWarrior is putting a ListServ into place so you may communicate among
yourselves.  We will also have an irc@infowar account.

Wolfkill has developed a InfoServ bot which will be an aid to you. Thank you
Wolfkill.... please make the final what-ever-it-is- you do to keep the thing
working around the clock.

I don't want things to get complicated here, but bear in mind we are unique
because the people who visit us are in the field.... so we don't have day to
day IRC traffic that fills the channel with nonsense.  We want to have fun
here, but we also want to learn/teach hacking and associated exploits that
are legal.  I cannot stress how important the legal aspect is.  If we loose
that focus, and someone sees illegal activities discussed, it will hurt all
of our credibility.

As you know it is my vision to have this infowar hacker channel an example
of good control, being a  pleasant  place with manners to newbies (and
everyone), and to build the traffic. We can build a model here that will be
unique and make help in our way to make the Internet a better place.  As you
may or may not know, Mr. Winn Schwartau has been very supportive of hackers.
We appreciate him for his support of this irc venture.

As you know, we will not tolerate any nonsense as wars and similar silly
wastes of energy.  I know the team here is very mature for their ages and
responsible, and we feel comfortable with Lepreken coordinating things.
(Just don't become a hard boss Lep or I will have to spank you!)  I know
that Lep will also run the team in a democratic fashion giving ops the
ability to give input to issues that come up.   I stress team....

So to sum it up.... this is IRC at infowar.com    THE place to go!

Thank you all.

We are here to support you.
Have fun and make this place great!
Let's rock the world!


 *** Dangers of Port 19

From: "Mishari \"CykiX\" Muqbil" <mishari@thepentagon.com>

The following attack seems to be working for me on my Linux box:
telnet localhost 19|telnet localhost 7
This puts a tremendous amount of strain on my computer and caused me to
restart at the end. Someone should stop port 19 totally. It is a huge
new potential for Simple but yet effective DYI Denial of Service
[MͧhÄrí mÜQßî¦] (MiShArI MuQbIl)
Go to my homepage http://mishari.home.ml.orgContent-Description: Card for
Mishari Muqbil


Carolyn: Thanks for bringing this up. MͧhÄrí mÜQßî¦ has independently
discovered a little-known, yet devastating denial of service attack. There
is absolutely no excuse for leaving port 19 (the chargen -- character
generator port) open to the outside world.

Since rumor has it that a Windows 95 program may be released for download
tomorrow that might automate these port 19 attacks, it would be a good idea
to disable this port on all computers with Internet connectivity NOW. Sorry,
I won't give out the URL for the download site or even the program name as I
don't want to make it too easy for any lamers reading this to get the program.

To disable port 19 on a Unix box, go into etc/inet/conf look and edit
chargen by commenting out the two line of UDP and TCP (put a # in front to
comment them out). This tip is courtesy of Gerard Cochrane Jr., a systems
administrator at the University of Texas at El Paso.

To disable port 19 on an NT box, you have several options:

1. The most is not to permit it through your router. (This should also work
on Unix boxes.)
2. By not installing the "Simple TCP Services" you do not install
Chargen, Echo, Quote of the Day, etc... servers. Since none of these is
essential for the average NT server, why invited trouble by installing that
3. You can also disable port 19 in NT 4.0 through the use of the Advanced
port filtering feature.
4. Finally, you can disable any of the individual Simple TCP Services by
changing a value in:

EnableTCPChargen = 0 (defaults to 0x01 = enabled)
EnableUDPChargen = 0 (defaults to 0x01 = enabled)

You will see a list of all the servers in this key and can alter their
listening states accordingly.

These NT tips care courtesy of Russ at R.C. Consulting, Inc. - NT/Internet
Security, <Russ.Cooper@RC.ON.CA> He is moderator of the NT Bugtraq list. TO
subscribe, email message SUBSCRIBE NTBUGTRAQ Yourname to Listserv@rc.on.ca.

 *** !!!!!:)GALF;)!!!!!

From: wraith@dimensional.com

Ahhh!  GALF speaks.  I assume from the tone of his last post that Jericho
speaks on behalf of GALF or is directly a representative of that
organization.  If not, I write in vain.
My recent letter though harsh and designed mostly to get a response directly
from GALF, I believe held several viable points.

1.) COOL and FOOL are only 1 letter apart...... didn't take much to turn
your peers against you did it?  GO figure.

2.) Messing with the Happy Hacker, who is the one who graciously provides
this forum for you to expectorate upon in the first place, is the same as
picking on a little kid (no offense C) and if you are cool you will show
chivalry, PARTICULARLY in times of war.  We must always leave neutrality
open as an option.

3.) We MUST retain the right to regulate the Internet ourselves for without
it there would be no battlefield upon which to earn our dignity. If you
continue you will force the man down on ALL OF US.  Unless that's what you

4.) I propose we meet and discuss amongst ourselves the possibilities and
concerns of all involved before GALF gets itself put out of commission.


From: GR8GUY <cyoung@northernnet.com>

I just don't see how me especially and most people can compete with GALF in
the computer hacking area you know! I mean you can and others but not me or
most of us! Not that I would not try if it came down to it but...
so the best way I can think of is it to attack their popularity! And I now
know that gets to them even more then trying to hack them! After all
"sometimes its better to fight with your head then with brawn"! I'm really
glad I'm now on your list and caught up with you guys! You definitely have a
awesome group and thing going on...and best of all it's mostly legal..and
happy :o)!!!
                     #define url= http://www.northernnet.com/cyoung
        #define handle= GR8GUY/LITTLE BOY
        #define os= Win95
        #define age= 18
void main()
 printf("to IBM's");


Carolyn: You both make good points. If we use social pressure -- not illegal
computer vandalism!-- to encourage guys like GALF and email bomber angry
johnny into quitting their lamerfests, we can keep the Internet free. But if
this rash of destructive denial of service attacks and hacking into ISPs
continues, the day will arrive that the government will crack down on *all
hackers*. A government authority powerful enough to control the entire
worldwide scope of the Internet would be frighteningly powerful. Anything we
can do as hackers to curb the destructiveness of Internet vandals is a blow
for freedom and for keeping power out of the hands of Big Government.


>From jericho@dimeonsional.com

> Carolyn: We haven't tried to take out GALF because it's silly. Suppose we
> knew of a computer that was actually theirs and not just belonging to some
> hapless ISP they've hacked. Suppose we break in and rm the system philes and
> lock them out so they have to use a boot disk and reinstall, and in the
> meantime reply to everyone who emails them saying "Whoopie doopie, we've

No.. because you CAN'T take out GALF. Don't front Carolyn. It has been
proved several times you are incompetent when it comes to hacking.

> rooted GALF!!!*&%@##!!!" Ahem, seems a little childish. Sheesh, besides,
> jericho's so afraid of my hacker team he won't even allow us an account on
> his box to demonstrate to him how easily we could get root from a user

Stop your stupid s*** Carolyn, you look really ignorant. What part of our
original agreement are you ignoring here? What part of "you and you alone"
did you miss? You have already broken that agreement by letting your
uber-hacker friends at UTEP f*** with my system. I said YOU could try to
hack my system. Catch a clue and pass it along to your friends.

As for 'scared', I don't think so. Like I have said a MILLION F***ING
TIMES before this..  If I want to hack 'dockmaster', do you think they
will give me an account there knowing my intentions? Of course not. So,
just like everyone else, you get to try to hack my box like a regular
hacker would. Petty insults and calling me 'scared' will not help your
chances. You are a p***-poor social engineer, give it up.

And like I said long ago, I won't narc anyone for trying to hack my box. I
think that is pretty apparent from past attacks, but technically.. I have a
legitimate right to mail UTEP and complain about the UTEP admins. But, I
will sit back and let them try to hack the box too. Of course, if they do
get in for some reason, make sure you remind them to back up their own system.

You are lame.


1) The supposedly dire hacking attempt on jericho from the University of
Texas at El Paso (UTEP) was merely a port scanner. Word to the wise --
please don't port scan jericho's obscure.foobar.org, it gives him
conniptions! However, it is legal to do so. Watch out, jericho, my next
visit may be from the account galfina@escape.com.
2)Crackers who rm system files, as GALF has done in the past at UTEP and as
jericho appears to be threatening to do to them again, are breaking the law
and acting REALLY lame. Besides, that buffalo.utep.edu box that GALF
fourletter worded over was set up with the sole purpose of acting as a lure
to get data on GALF. GALF is easy to social engineer, and I am patient:)
3)Both GALF and angry johnny -- both of whom jericho so emotionally defends
-- have been far more destructive than Kevin Mitnick or even Kevin Poulson
ever were. And look where those guys are now. GALF, angry johnny, do you
quit while you're still free, or do you find out how compatible you are with
your future cellmate "Spike"?

 *** Changing IE, Netscape Animated Logos

From: Iggy Drougge <optimus@canit.se>

>Sender: candyman@voicenet.com
>I was wondering if anybody knows a way to change the animated logo (top
>left corner) of Netscape and IE browsers.  I know it's possible because
>AT&T and Quicken and other companies did that, well at least to the
>Netscape browser. So if somebody figures how to do it please post it on
>this list.

It's quite straightforward since version 3.0. Do a web search for

 *** IRC Stuph

From: Iggy Drougge <optimus@canit.se>

>Sender: dschwarz@earthlink.net@hungary-c.it.earthlink.net

>Happy Hacker,
>    I have a question about IRC. I was on your chat channel today and
>encounter something called a script. My questions is what are they,
>how do you make them?

A script is a macro, which in IRC terms is run in your IRC client to
perform mundane tasks for you in just one step.

 *** Hacking port 25

From: "NK" <nk@xtasy.prestel.co.uk>
> From: anonymous
> Please make anonymous!
> I was wondering if you know the correct commands to enter once you
> connect to the incoming mail port? anything that I type says error!!!!
> Also is there a way to get my mail from the server through a certain
> port, if so what are the commands? Thanks!
> [ Matt: try the command 'help'. If that doesn't work, there's not much
> you can do. ]

I have a really nice tutorial on sending fake email via port 25. Its quite
an old file so the mail server lists may be out of date , however the
method is exactly the same now.
Its a bit large to post here like that , instead anyone can read it from my
site , the URL of the document is:


From: Valerie Henson <val@nmt.edu>

>From Happy Hacker list:

> Sender: Bugtraq List <BUGTRAQ@NETSPACE.ORG>
> From: Jamie Rishaw <jamie@DILBERT.IAGNET.NET>

> > Hello fellow mongoloids
> > Try this:
> > Make hard link of /etc/passwd to /var/tmp/dead.letter
> > Telnet to port 25, send mail from some bad email address to some
> > unreachable host.
> > Watch your message get appended to passwd.
> > ie:
> > cowzilla::0:0:c0wz1ll4 0wns u:/:/bin/sh

> This is why Good Little Sysadmins(tm) have /, /var, /tmp, /usr, etc. on
> separate partitions and/or drives.
> If /etc and /var/tmp are on different partitions this wont work. Can't
> symlink cross-device far as I know.

It is _hard_ links that cannot be made across partitions/drives.
_Symbolic_ links can cross drives.  But this doesn't have the desired
effect, naturally:

val@localhost<~>$ ls -l dead.letter
lrwxrwxrwx   1 val      2147           20 Mar 27 18:15 dead.letter ->
^^^this is where my system keeps the "real" passwd file

val@localhost<~>$ echo "attempted_password_entry" >> dead.letter
bash: dead.letter: Permission denied


 *** Windoze Hacking

From: Jonathan Wilkins <jwilkins@SECNET.COM>
Subject:      ANNOUNCE : NTCrack v1.0

This is a short message to announce NTCrack.  NTCrack is a program
designed to crack Windows NT passwords offline.  It presumes that
these passwords have been grabbed using Jeremy Allison's PWDump utility.

You can find information on NTCrack at

It is being released with full source code at

PWDump is available at ftp://samba.anu.edu.au/pub/samba/pwdump

Jonathan Wilkins      |  Futuaris   | If only they had used their
jwilkins@secnet.com   | Non Irresus | terminals for niceness instead
http://www.secnet.com |  Ridebus    | of evil ...-Maxwell Smart

(Reposted from the Bugtraq list. To join email listserv@netspace.org with
message "subscribe bugtraq"


From: "Xenakis" <xenakis@epix.net>

|Also, is there anyway to place a ..wav file in your
| Windows Startup Screen.  So when you boot up Windows a ..wav file will
| play with it?

| BeAvEr

---->Edit win95's startup sounds in Control Panel | Sounds | Windows |
Start Windows

 || xenakis@epix.net    o0xenakis0o@hotmail.com    ||
 || http://www.epix.net/~xenakis/         [SPROCKET] ||
 || http://www.geocities.com/BourbonStreet/3407/      ||
There are two Bills running this country, and few like any of them...


From: "Otter" <otter@starnetinc.com>

 I love the GTMHH series.  Right now I'm running Win 95 and working on
getting FreeBSD and NT running.  Quick question is NT Server better for
hacking or Workstation.  I used to work at a software store so I'm in NFR
heaven.  I think server would be better.  Should I use a combo of the two. I
have enough disk space, and system commander.  Any input would help. Thanks!


Carolyn: Since you have enough disk space, I'd advise both workstation and
server. Here's an Evil Genius tip: the kernels of both NT server and
workstation appear to be identical. You just need to change some settings in
the Registry. Because Microsoft doesn't like people doing that themselves
instead of paying the extra $800 for the server configuration, in NT 4.0
this is pretty difficult. (It's trivial in NT 3). There is a program
floating around that does this for you. It's named NTTune 3.0. You will have
a hard time finding it, however, because the Microsoft lawyers have been
ferociously hunting down and destroying its download sites.


From: PsyChadEl

Ever since my first posting on the list regarding KeyLoggers that operate
under any of the Windows environments, I've gotten a lot of emails. Here's
what is upcoming for those of you who are interested:

1. Yes I did hex a Windows keylogger. It was pretty shit as it wrote to
multiple files and took forever to locate what you were looking for.
However, I hexed it so it wrote to only one file.

2. That wasn't good enough - it still wasn't hidden. I've found a way to
hide it and am currently working on automating the process.

3. YES... the new release is going to be out soon. I'll post the web
address here as to where you can find it and any other information as such.
I'm almost done with it (I had no time to work on it for a number of
weeks)... and so you'll all have it at your fingertips fairly soon. It'll be
pretty simple to use and yet effective - especially for those who want to
know who's been snooping on their personal computers.

I guess that's about it...


 *** PHF Attacks

From: Jerome Thoma <jerome@Pool.Informatik.RWTH-Aachen.DE>

I've been following the discussing about phf-attacks for some time now and
as a newbie I have some questions about it.
How does such an attack exactly work?
What kind of programs are cgi-bin and phf?
What does the Qalias=x%0a part mean?

Thanx for your patience

 *** Update from the Front on the War Against Spam


A California software engineer takes the annoyance caused by unsolicited
e-mail messages seriously, and has developed an anti-spam weapon he plans to
unveil next month.  Dead Bolt allows online users to share their
"blacklists" of spam purveyors so that they can more effectively filter
offending e-mail.  "The problem now is that everyone who is filtering is
keeping their own blacklists and they're not working together to tie their
lists together in a meaningful way," says Dead Bolt's creator.  "What I hope
my package will do is allow people to work together over the Net and filter
all this stuff out and finally put these people out of business....The
problem is that it costs the sender virtually zero dollars to send out a
million messages, and even if the response rate is minuscule by all
standards -- say .001 percent -- they've made money.  So from an economic
selfish point of view, it's in their interest to annoy the other 99.99
percent of the people."  (Miami Herald 24 Mar 97)

Phreak ISDN!

From: Tom Nelson Scott <tom-scott@veda-home.com>

well your introduction is pretty cool ... so let me ask, do you know
anything about ISDN hacking using Java or the Java Telephony API? my wife
works with Java at Sun and I write ISDN documentation, so together we can
have a lot of fun with JTAPI applications in ISDN. Problem is, I'm having
trouble finding someone who wants to apply my kind of finite-state analysis
to Java ISDN hacking. Take a look at my ISDN manual and you'll see where I'm
heading: http://www.uwm.edu/~veda/Isdn
It all fits together but I can't really make it fly until I find that wild
and crazy subculture that will love this stuff (I mean stuph).
Wanna know my philosophy of life? See the picture drawn by my daughter at
http://www.uwm.edu/~veda/gloria.rabbit.jpeg ... cool (I mean kewl) ...

Carolyn: Thanks!!!! We have had almost no info on phreaking on this list.
Please continue to contribute!

Cracking Questions

{{{{{{{{KEEP THIS ANONYMOUS}}}}}}}}
[sorry for the grammar]

I was on IRC after you left and I was talking with 2 people and it came
up about logs on UNIX [and the flavors]. If I were to run files or
compile them on my server or even do commands, where would these actions
be usually be log in ? Does all my actions or compiling or running files
be logged in my user directory ?



Anonymous post

Here is a warning for the newbies.  I have detected in my travels a new
program that sysadmins are using and giving themselves a big pat on the
back...  This program is attached to daemons that control the various ports
on a computer....You know all about that.

Well,  this new program acts like this......

Say I do a telnet to AOL.COM *just an example*...If AOL.COM has this new
program,  it automatically dispatches a remailer to my host ISP.  This is
not funny either.

One such message appeared like this....

...Your client has attempted to access a restricted port on our server
*date*...*time*....Please contact Joe Blow at iamalozer.com for more
Now...The interesting part of this program is it does not discriminate for
legal port entry.  Therefore,  an ISP who lacks an IQ will not understand
the legalities of this and close a newbies account without so much as a
second thought.  This new program breaks the freedom of information laws,  a
direction I see the net taking on a daily basis.

I surf ports to see who the server admins are that are placing the web pages
on the net and that is it.  Without the ability to port surf,  this will
limit access to persons responsible for spam,  mailbombs,  kiddie
porn....Hell,  you get the idea.

Carolyn: Yes, some people get really paranoid about having their ports
scanned (see jericho's post above). My defense is to make friends with the
sysadmins at any ISP I hope to keep for long. So far I have only been booted
off on account of threats from GALF, never for my own hacking activities.


Anonymous post:

I recently found that I could delete the contents of the bash-history file
on my ISP using telnet. Logon to your shell using telnet then do something
like a bunch of finger's and whois's. When you're finished,  use the up
arrow to scroll back through each command you made deleting each command
with the del key as you go, then  use the down arrow to scroll back to the
present. You must scroll all the way back to the present for this to work so
count the number of commands you delete if there are a lot of them.

Then type quit and logoff and the only thing that will be left in the
bash_history file is the last quit command you did.

Does this work on other operating systems? I'd be curious to know if
anybody can reproduce this on their ISP.

Carolyn: It doesn't work on my account at escape.com, which uses BSDI BSD/OS 2.

 *** Calling Indianapolis Hackers

From: Charlie ROOT <root@ruined.buttnet.net>

Calling for Hackers in the Indianapolis and surrounding areas.

I'm interesting in perhaps starting a weekly meeting discussing
UNIX/95/DOS hacking, news and general computer topics.

If anyone is interested please email me at ward@carl.all-net.net.

Timothy Ward

Happy Hacker Digest March 31, 1997: Hacker Freedom Alert

Headline News: Major efforts in two nations -- the US and United Kingdom --
to place heavy restraints on encryption.

Table of Contents:

o  US Alert
o  British Move to Restrain Cryptography
o  Zimmerman (Mr. PGP) Launches Newsletter
o  Help Choose Def Con IV's Happy Hacker Panel


  ___  _     _____ ____ _____ _
 / _ \| |   | ____|  _ \_   _| |         THE CRYPTO BATTLE HAS BEGUN!
|  _  | |___| |___|  _ < | | |_|     ENCRYPTION FOR AMERICANS ON U.S. SOIL
|_| |_|_____|_____|_| \_\|_| (_)               March 28, 1997

                 Do not forward this alert after May 1, 1997.

                         This alert brought to you by:
                     Center for Democracy and Technology
                                  Eagle Forum
                       Electronic Frontier Foundation
                       Voters Telecommunications Watch
                                 Wired Magazine
Table of Contents
      What's Happening Right Now
      What You Can Do Now
      What's At Stake
      Supporting Organizations


On March 26, 1997, the Clinton Administration proposed draft legislation
which would, for the first time, impose DOMESTIC RESTRICTIONS on the
ability of Americans to protect their privacy and security online.

In its current form, the draft bill seeks to impose a risky
"key-recovery" regime which would compel American citizens to ensure
government access to their private communications. Law enforcement and
national security agents would not even need a court order to access
private decryption keys.

Congress is currently considering three separate bills which would
prohibit the government from imposing "key-recovery" domestically, and
encourage the development of easy-to-use, privacy and security tools
for the Net.

As more and more Americans come online, the Administration's plan is a
giant step backwards and would open a huge window of vulnerability to
the private communications of Internet users.  Americans expect more
when conducting private conversations with their doctors, families,
business partners, or lawyers.

Please read the Alert below to find out what you can do to protect your
privacy online.


1. Adopt Your Legislator

   Now is the time to increase our ranks and prepare for the fight that
   a head of us in Congress.  The time to blast Congress or the White House
   with phone calls and emails will come, but now is not the appropriate

   Instead, please take a few minutes to learn more about this important
   issue, and join the Adopt Your Legislator Campaign at

   This will produce a customized page, just for you with your own
   legislator's telephone number and address.

   In addition, you will receive the latest news and information on the
   issue, as well as targeted alerts informing you when your
   Representatives in Congress do something that could help or hinder
   the future of the Internet.

   Best of all, it's free.  Do your part, Work the Network!

   Visit http://www.crypto.com/adopt/ for details.

2. Beginning Monday March 31, call the White House

   Internet public interest advocates continue to work the Hill in support
   of the three true encryption reform bills in Congress, Pro-CODE, SAFE, &
   ECPA II.  If you still feel a need to voice your opinion, however, you
   call the White House to express your opinion.

   Step 1 - Beginning Monday March 31, call the White House

        Call 202-456-1111 9am-5pm EST.  Ignore the voice mail survey and
        press '0' to get a comment line operator.
   Step 2 - Tell them what you think about intrusions into your privacy!

        Operator: Hello, White House comment line!

SAY     YOU: I'm calling to oppose president's Internet encryption bill.
THIS ->      It infringes on the privacy of Americans. We need a solution
             to the encryption issue that protects privacy, and this is not

        Operator: Thank you, I'll pass that along to the President.

3. Spread the Word!

  Forward this Alert to your friends. Help educate the public about the
  importance of this issue.

  Please do not forward after May 1, 1997.


Complete background information, including:

* A down-to-earth explanation of why this debate is important to Internet
* Analysis and background on the issue
* Text of the Administration draft legislation
* Text of Congressional proposals to reform US encryption policy
* Audio transcripts and written testimony from recent Congressional
  on encryption policy reform
* And more!

Are all available at http://www.crypto.com/

Encryption technologies are the locks and keys of the Information age
 -- enabling individuals and businesses to protect sensitive information
as it is transmitted over the Internet. As more and more individuals
and businesses come online, the need for strong, reliable, easy-to-use
encryption technologies has become a critical issue to the health and
viability of the Net.

Current US encryption policy, which limits the strength of encryption
products US companies can sell abroad, also limits the availability of
strong, easy-to-use encryption technologies in the United States. US
hardware and software manufacturers who wish to sell their products on
the global market must either conform to US encryption export limits or
produce two separate versions of the same product, a costly and
complicated alternative.

The export controls, which the NSA and FBI argue help to keep strong
encryption out of the hands of foreign adversaries, are having the
opposite effect. Strong encryption is available abroad, but because of
the export limits and the confusion created by nearly four years of
debate over US encryption policy, strong, easy-to-use privacy and
security technologies are not widely available off the shelf or "on the
net" here in the US.

A recently discovered flaw in the security of the new digital telephone
network exposed the worst aspects of the Administration's encryption
policy.  Because the designers needed to be able to export their
products, the system's security was "dumbed down".  Researchers
discovered that it is quite easy to break the security of the system and
intrude on what should be private conversations.

This incident underscores the larger policy problem: US companies are
at a competitive disadvantage in the global marketplace when competing
against companies that do not have such hindrances.  And now, for the first
time in history, the Clinton Administration has DOMESTIC RESTRICTIONS on
ability of Americans to protect their privacy and security online.

All of us care about our national security, and no one wants to make it
any easier for criminals and terrorists to commit criminal acts. But we
must also recognize encryption technologies can aid law enforcement
and protect national security by limiting the threat of industrial
espionage and foreign spying, promote electronic commerce and protecting

What's at stake in this debate is nothing less than the future of
privacy and the fate of the Internet as a secure and trusted medium for
commerce, education, and political discourse.


For more information, contact the following organizations who have signed
this effort at their web sites.

Center for Democracy and Technology                      http://www.cdt.org
    Press contact: Jonah Seiger, +1.202.637.9800
Eagle Forum                                       http://www.eagleforum.org
    Press contact: Phyllis Schlafly, +1.314.721.1213
Electronic Frontier Foundation                           http://www.eff.org
    Press contact: Stanton McCandlish, +1.415.436.9333
Voters Telecommunications Watch                          http://www.vtw.org
    Press contact: Shabbir J. Safdar, +1.718.596.7234
Wired Magazine                                         http://www.wired.com
    Press contact: Todd Lappin, +1.415.276.5224


end alert

 *** Brtiish Move to Restrain Use of Cryptography

From: rja14@cl.cam.ac.uk (Ross Anderson)

The British government's Department of Trade and Industry has sneaked out
proposals on licensing encryption services. Their effect will be to ban PGP
and much more besides.

I have put a copy on http://www.cl.cam.ac.uk/users/rja14/dti.html as
their own web server appears to be conveniently down.

Licensing will be mandatory:

      We intend that it will be a criminal offence for a body to offer
      or provide licensable encryption services to the UK public without
      a valid licence

The scope of licensing is broad:

      Public will be defined to cover any natural or legal person in the UK.

      Encryption services is meant to encompass any service, whether provided
      free or not, which involves any or all of the following cryptographic
      functionality - key management, key recovery, key certification, key
      storage, message integrity (through the use of digital signatures) key
      generation, time stamping, or key revocation services (whether for
      integrity or confidentiality), which are offered in a manner which
      allows a client to determine a choice of cryptographic key or allows
      the client a choice of recipient/s.

Total official discretion is retained:

      The legislation will provide that bodies wishing to offer or provide
      encryption services to the public in the UK will be required to obtain
      a licence. The legislation will give the Secretary of State discretion
      to determine appropriate licence conditions.

The licence conditions imply that only large organisations will be able to
get licences: small organisations will have to use large ones to manage
their keys (this was the policy outlined last June by a DTI spokesman).  The
main licence condition is of course that keys must be escrowed, and
delivered on demand to a central repository within one hour. The mere
delivery of decrypted plaintext is not acceptable except perhaps from TTPs
overseas under international agreements.

The effect of all this appears to be:

1. PGP servers will be outlawed; it will be an offence for me to sign your
   pgp key, for you to sign mine, and for anybody to put my existing signed
   PGP key in a foreign (unlicensed) directory

2. Countries that won't escrow, such as Holland and Denmark, will be cut out
   of the Superhighway economy. You won't even be able to send signed
   medical records back and forth (let alone encrypted ones)

3. You can forget about building distributed secure systems, as even
   relatively primitive products such as Kerberos would need to have their
   keys managed by a licensed TTP. This is clearly impractical.  (The paper
   does say that purely intra-company key management is OK but licensing is
   required whenever there is any interaction with the outside world, which
   presumably catches mail, web and so on.)

There are let-outs for banks and Rupert Murdoch:

  Encryption services as an integral part of another service (such as in
  the scrambling of pay TV programmes or the authentication of credit
  cards) are also excluded from this legislation.

However, there are no let-outs for services providing only authenticity and
nonrepudiation (as opposed to confidentiality) services. This is a point
that has been raised repeatedly by doctors, lawyers and others - giving a
police officer the power to inspect my medical records might just
conceivably help him build a case against me, but giving him the power to
forge prescriptions and legal contracts appears a recipe for disaster. The
scope for fraud and corruption will be immense.

Yet the government continues to insist on control of, and access to, signing
keys as well as decryption keys. This shows that the real concern is not
really law enforcement at all, but national intelligence.

Finally, there's an opportunity to write in and protest:

  The Government invites comments on this paper until 30 May 1997

Though if the recent `consultation' about the recent `government.direct'
programme is anything to go by, negative comments will simply be ignored.

Meanwhile, GCHQ is pressing ahead with the implementation of an escrow
protocol (see http://www.cs.berkeley.edu/~daw/GCHQ/casm.htm) that is broken
(see http://www.cl.cam.ac.uk/ftp/users/rja14/euroclipper.ps.gz).

In Grey's words, ``All over Europe, the lights are going out''

------- End of forwarded message -------

 *** Zimmerman (Mr. PGP) Launches Newsletter
 Ladies, Gentlemen & Cryptographers,

I'm pleased to announce the imminent release of the premier issue of the
new "Zimmermann Telegram" newsletter. The Zimmermann Telegram will be a
regularly-published, paper-based, English-language technical update
newsletter from PGP's engineering staff, and will cover a variety of
cryptographic and other lighthearted topics which we may otherwise be
restricted from discussing via electronic media. The newsletter will be
sent, in compliance with US law, by regular postal mail to anyone
interested in technical information about PGP -- anywhere in the world.

If you are now developing PGP-related freeware, shareware, commercial or
academic cryptographic software, or you plan in future to become a
registered PGP Developer or PGP World Partner (those programs are currently
under construction and will be formally announced later) or if you are just
interested in technical information about cryptography, we think you'll
enjoy reading our newsletter.

In the premier issue, along with important updates regarding changes to the
PGP packet format, CRC security problems and new extensions to the PGP key
format which are not available through any other medium, you'll learn about
the significance of the "Zimmermann Telegram" name. Meanwhile, visit this
page: <http://www.nara.gov/nara/digital/teaching/zimmermann/zimmerma.html>.

Scheduled to be mailed imminently, the premier issue will be sent free to
anyone who provides us with a postal mail address. After that, regular
subscriptions will require a modest fee (to be announced) to cover our
mailing costs, but we've committed to offering a limited number of free
one-year subscriptions to interested members of the cryptography community.
To request your free subscription, please send email to me at:


In the body of your request, please include the form below (items between
the cut-lines ONLY, and preferably PGP-signed), and replace the lines with
your complete postal mail address info as indicated. We'll put an HTML
subscription form on our website, but for the premier issue, we're managing
the subscription process via email. Thank you for your patience as we
deploy rapidly. :)

 *** Help Choose Def Con IV's Happy Hacker Panel

Carolyn: Going to Def Con IV, the most insanely great hacker convention in
the world? It will be held July 11-13 in the Aladdin Hotel and Casino in Ls
Vegas, Nevada, USA.

Who would you like to hear speak? Def Con organizer Dark Tangent has asked
us to put on a Happy Hacker panel. Email us with your ideas for who you'd
like to see on the panel, and what you'd like to hear us talk about and/or
demonstrate. The people we choose for speakers win -- free admission! a
cool-looking name tag! And nothing else. But being a Def Con speaker makes
for great bragging rights, so give it a try, folks.

I've already asked Dark Tangent to give us some of that T1 bandwidth he's
planning in order to run some newbie hacking sessions alongside all those
Uberhackers playing Capture the Flag and trying to win prize money for
destroying firewalls.

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