Re: Fwd: about accounts file

2013-08-25 Thread Matthias Apitz
El día Saturday, August 24, 2013 a las 03:53:21PM -0400, Ethan Blanton escribió:

 Tres Finocchiaro spake unto us the following wisdom:
  I've never much understood Pidgins perspective on this.  Even base64 is
  obscure enough to keep a human from reading it over the shoulder.
 
 Unless your password is very, very bad, a base64 encoding of the
 password should be of roughly similar complexity.  Therefore, anyone
 who can remember your password can remember the base64 -- and reverse
 it.

Not sure about this;

$ echo password | openssl enc -base64
cGFzc3dvcmQK

While one can easy see with a short eye shoot and remember the token
'password', it is not so easy pickup from the screen the token 
'cGFzc3dvcmQK'.

matthias

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Re: Fwd: about accounts file

2013-08-25 Thread Ethan Blanton
Matthias Apitz spake unto us the following wisdom:
 El día Saturday, August 24, 2013 a las 03:53:21PM -0400, Ethan Blanton 
 escribió:
  Unless your password is very, very bad, a base64 encoding of the
  password should be of roughly similar complexity.  Therefore, anyone
  who can remember your password can remember the base64 -- and reverse
  it.
 
 Not sure about this;
 
 $ echo password | openssl enc -base64
 cGFzc3dvcmQK
 
 While one can easy see with a short eye shoot and remember the token
 'password', it is not so easy pickup from the screen the token 
 'cGFzc3dvcmQK'.

Right -- if your passwords are *really really bad* and stupid, it
matters.  If that's the case, though, you need to get new passwords
ASAP.  My passwords are things like Oj4=puC/8jq, which is of similar
complexity to that base64 string.  Please reread my original
statement.

Ethan


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Re: Fwd: about accounts file

2013-08-25 Thread Matthias Apitz
El día Sunday, August 25, 2013 a las 09:04:42AM -0400, Ethan Blanton escribió:

 Right -- if your passwords are *really really bad* and stupid, it
 matters.  If that's the case, though, you need to get new passwords
 ASAP.  My passwords are things like Oj4=puC/8jq, which is of similar
 complexity to that base64 string.  Please reread my original
 statement.

Not really of the same complexity:

$ pwgen 8 8
Aishaem9 es1iHaod oiVie3ah daith5Oh IHooZ9Sh ieDao2po oHeepae0 xainaXo5
$ echo iZeetah8 | openssl enc -base64
aVplZXRhaDgK

$ echo 'Oj4=puC/8jq' | openssl enc -base64
T2o0PXB1Qy84anEK

matthias
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Re: Fwd: about accounts file

2013-08-25 Thread Ethan Blanton
Matthias Apitz spake unto us the following wisdom:
 $ echo 'Oj4=puC/8jq' | openssl enc -base64
 T2o0PXB1Qy84anEK

If your assertion is that someone will remember Oj4=puC/8jq but not
T2o0PXB1Qy84anEK, then your argument has descended into the realm of
the absurd.  To effectively snatch either one they're going to have to
either see it for a long time, see it many times, or take some sort of
photo/record.

Ethan

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Re: Fwd: about accounts file

2013-08-25 Thread Tres Finocchiaro
And similarly, if your argument, that all passwords must be difficult to
type and must be near impossible to read over the shoulder or else they are
REALLY BAD, which in turn makes the user STUPID seems naive and ignorant to
any basic  practical, efficient, easy to remember methods of memorization.

The password:

Eth@ngoesoutofh1swaytocr3ategreatpasswords!

Is more complex than your example and not subject to a common rainbow
attack.  In addition, also requires less memorization to retain, since it
relies on relational ideas in our of long term memory.  To call someone
stupid for choosing this password seems a big harsh on a percentage of the
population that's going to *better* lengths to secure their data.  Stating
password1 is stupid is accurate for several reasons, however, does that
in turn make all easily retainable passwords stupid as well?  I for one
tend to choose something closer to a sentence over hard to type and
remember character strings?  Am I and most people I know doing it wrong?
Is there something about passwords WE are naive to?
On Aug 25, 2013 12:50 PM, Ethan Blanton e...@pidgin.im wrote:

 Matthias Apitz spake unto us the following wisdom:
  $ echo 'Oj4=puC/8jq' | openssl enc -base64
  T2o0PXB1Qy84anEK

 If your assertion is that someone will remember Oj4=puC/8jq but not
 T2o0PXB1Qy84anEK, then your argument has descended into the realm of
 the absurd.  To effectively snatch either one they're going to have to
 either see it for a long time, see it many times, or take some sort of
 photo/record.

 Ethan

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Re: Fwd: about accounts file

2013-08-25 Thread Matthias Apitz
El día Sunday, August 25, 2013 a las 12:49:45PM -0400, Ethan Blanton escribió:

 Matthias Apitz spake unto us the following wisdom:
  $ echo 'Oj4=puC/8jq' | openssl enc -base64
  T2o0PXB1Qy84anEK
 
 If your assertion is that someone will remember Oj4=puC/8jq but not
 T2o0PXB1Qy84anEK, then your argument has descended into the realm of
 the absurd.  To effectively snatch either one they're going to have to
 either see it for a long time, see it many times, or take some sort of
 photo/record.

I think 'Oj4=puC/8jq' is much easier to memorize due to the fact, that
it has 3 groups of 3 chars each: Oj4 puC 8jq, separated by '=' and '/',
while the token T2o0PXB1Qy84anEK is much complex to memorize, don't
you agree?

Btw: I'm fine with storing the pws in clear text in pidgin, because
it is a personal computer, and one will not bring them on the screen
without knowing why he/she is doing that.

matthias
-- 
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Re: Fwd: about accounts file

2013-08-25 Thread Ethan Blanton
Tres Finocchiaro spake unto us the following wisdom:
 And similarly, if your argument, that all passwords must be difficult to
 type and must be near impossible to read over the shoulder or else they are
 REALLY BAD, which in turn makes the user STUPID seems naive and ignorant to
 any basic  practical, efficient, easy to remember methods of memorization.

I didn't call anyone stupid.  Pay attention.  Your argument here is
still wrong and bogus.

 The password:
 
 Eth@ngoesoutofh1swaytocr3ategreatpasswords!

You're not going to be able to memorize this in just a second or two
looking over someone's shoulder, either.  It's hard to parse English
sentences without spacing, your brain is going to replace the changed
letters automatically, etc. -- so you're going to have to spend a
second to memorize and get it right to use it later.  Now, you're
correct that the base64 of *that* is much harder to memorize, but ...
who cares?  What are you protecting against?  Now you're just throwing
straw men up.

I'm going to leave off your whole rant about doing passwords right
or wrong.  I don't care how you choose your password.  If it's a
good password, it's going to be hard for a third party to memorize in
a glimpse.  It's also going to be hard to memorize in base64, but all
you've done is tricked naive users into thinking their accounts.xml is
safe and letting Mallory stare at it as long as he wants.

You're on the losing end of this argument.  The right solution to this
problem is a password manager, not bogus obfuscation.  We're LONG
overdue for a password manager, but bickering about base64 on the
mailing list isn't going to make that happen.

Ethan

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Re: Fwd: about accounts file

2013-08-25 Thread Ethan Blanton
Matthias Apitz spake unto us the following wisdom:
 I think 'Oj4=puC/8jq' is much easier to memorize due to the fact, that
 it has 3 groups of 3 chars each: Oj4 puC 8jq, separated by '=' and '/',
 while the token T2o0PXB1Qy84anEK is much complex to memorize, don't
 you agree?

That's a random accident.  The base64 could have been broken up into
clusters just as likely as the random string I posted.  If you want to
exclude all passwords *and* base64s of passwords that might be easily
shoulder-surfable based on the mnemonic tricks used by the current
observer ... that's a hard problem.

Ethan

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Re: Fwd: about accounts file

2013-08-24 Thread Kevin Stange
On 08/24/2013 11:13 AM, Fernando Jung wrote:
 is there any way to encrypt the ~/.purple/accounts.xml files? in it is
 all my accounts setting saved as plain text, including my passwords,
 which is not very secure

Please see:

https://developer.pidgin.im/wiki/PlainTextPasswords

In 3.0.0, which is under development, we will support keyring systems,
which will allow you to encrypt your passwords in the keyring rather
than store them within the pidgin configuration.

Kevin



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Re: Fwd: about accounts file

2013-08-24 Thread Tres Finocchiaro
I've never much understood Pidgins perspective on this.  Even base64 is
obscure enough to keep a human from reading it over the shoulder.

The Unix argument seems to be pragmatic and naive in an Active Directory
dominated industry.  I for one agree with the OP, clear text is frightening
to see, regardless of the technicalities around how secure it is.

Love pidgin tho... :)

-Tres
On Aug 24, 2013 2:49 PM, Kevin Stange ksta...@pidgin.im wrote:

 On 08/24/2013 11:13 AM, Fernando Jung wrote:
  is there any way to encrypt the ~/.purple/accounts.xml files? in it is
  all my accounts setting saved as plain text, including my passwords,
  which is not very secure

 Please see:

 https://developer.pidgin.im/wiki/PlainTextPasswords

 In 3.0.0, which is under development, we will support keyring systems,
 which will allow you to encrypt your passwords in the keyring rather
 than store them within the pidgin configuration.

 Kevin


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Re: Fwd: about accounts file

2013-08-24 Thread Ethan Blanton
Tres Finocchiaro spake unto us the following wisdom:
 I've never much understood Pidgins perspective on this.  Even base64 is
 obscure enough to keep a human from reading it over the shoulder.

Unless your password is very, very bad, a base64 encoding of the
password should be of roughly similar complexity.  Therefore, anyone
who can remember your password can remember the base64 -- and reverse
it.

 The Unix argument seems to be pragmatic and naive in an Active Directory
 dominated industry.  I for one agree with the OP, clear text is frightening
 to see, regardless of the technicalities around how secure it is.

Good.  It should be frightening.  That's the point.

Ethan

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