Re: Setpref is not working or is it a bug or something?

2014-11-30 Thread MFPA
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Hash: SHA512

Hi


On Sunday 30 November 2014 at 9:46:40 AM, in
, gnupgp...@on.yourweb.de wrote:



> Yes, that's true, SMTP-Filter is running for outgoing
> mails:
> http://lab1.de/Central/Software/Internet/E-Mail/SMTP-Filter/


> It deletes for security/privacy reasons:
> IN-REPLY-TO:

That header is used to tell the recipient's email software what
message-ID the reply is to, so that the response can be threaded.



> MESSAGE-ID:

If you delete the message-ID, a new one is added by the next server
that handles the message.



> ORGANIZATION:

If you are going to delete this, why supply it in the first place?



> REFERENCES:

This is used along with the IN-REPLY-TO header for threading. It may
contain more Message-IDs from the thread. Useful on a mailing list in
case someone following the thread has blocked some contributors or
deleted/not received the message to which you just replied.



> X-MSMAIL-PRIORITY:

Given that you set this on a per-message basis as High/Normal/Low,
it's not a security/privacy issue at all. Deleting it just means all
your messages default to Normal priority.



> Hidden header 'In-Reply-To:
> <1CD78A.547AEDEA.0002@machine>': IN-REPLY-TO and
> REFERENCES for example include ...@machine, which is
> always the same... This is not wanted because of the
> possibility of tracking cross over the web ("who posts
> which content...")

Having it in those headers in the messages you post means you are
replying to a thread containing the content, not that you posted the
content.

Besides, unless the user has specifically set their mailer to do
something different, the bit after the "@" often defaults to the
domain in their email address.



> So, how to deal with this behavior? Keeping subject
> untouched seems to be enough for identifying and
> associating to thread, isn't it?

Only if for each thread you use a unique subject line that will never
be repeated, and you can guarantee that everybody reading the threads
only ever receives email from people who do the same.


- --
Best regards

MFPAmailto:2014-667rhzu3dc-lists-gro...@riseup.net

When duty calls...hang up immediately
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Re: Order/changing of subkeys derogates compatibility!?

2014-11-30 Thread MFPA
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

Hi


On Sunday 30 November 2014 at 7:21:09 PM, in
, gnupgp...@on.yourweb.de wrote:



> So, is there a known issue regarding the order of
> DSA-subkeys for signing? How to change order of subkeys
> for testing purpose?


- From (possibly inaccurate) memory, PGP was up to somewhere around
version 8.x before it supported signing subkeys.

IIRC, older PGP versions would choke on trying to encrypt to a key
whose newest subkey was flagged for signing but not encryption, and
would use the main key to sign with. (I have no recollection of what
happened trying to verify signatures.)



- --
Best regards

MFPAmailto:2014-667rhzu3dc-lists-gro...@riseup.net

Ultimate consistency lies in being consistently inconsistent
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Re: Setpref is not working or is it a bug or something?

2014-11-30 Thread Ingo Klöcker
On Sunday 30 November 2014 10:46:40 gnupgp...@on.yourweb.de wrote:
> >> I am sorry, all my replies are sent to gnupg-users@gnupg.org only,
> > 
> > Yes, that's the right procedure.
> > The problem Peter mentioned is caused by the fact that your replies lack
> > the  message headers (In-reply-to and References) that usually link
> > replies to the replied-to messages.
> 
> Yes, that's true, SMTP-Filter is running for outgoing mails:
> http://lab1.de/Central/Software/Internet/E-Mail/SMTP-Filter/
> 
> It deletes for security/privacy reasons:
> IN-REPLY-TO:
> MESSAGE-ID:
> ORGANIZATION:
> REFERENCES:
> THREAD-INDEX:
> THREAD-TOPIC:
> X-MAILER:
> X-MIMEOLE:
> X-MSMAIL-PRIORITY:
> X-Relayed-By: GPGrelay
> 
> Hidden header 'In-Reply-To: <1CD78A.547AEDEA.0002@machine>':
> IN-REPLY-TO and REFERENCES for example include ...@machine, which is always
> the same... This is not wanted because of the possibility of tracking cross
> over the web ("who posts which content...")

IMHO that's nonsense. Those headers do not identify your machine. Those 
headers reference the messages you reply to, so if anything then those headers 
identify the machine of the person you reply to.


> So, how to deal with this behavior?

I suggest that you stop deleting the In-reply-to and the References header.


> Keeping subject untouched seems to be enough for identifying and associating
> to thread, isn't it?

Yes. At least for email clients that also thread messages by the Subject 
header. But even those mail clients usually don't know which original message 
your reply belongs to and therefore those mail clients will put your message 
below an arbitrary other message in the thread. This makes reading longer mail 
exchanges with multiple participants (e.g. like here on this mailing list) a 
PITA.


Regards,
Ingo


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Re: Difference Kleopatra vs WinPT

2014-11-30 Thread Robert J. Hansen
> Which one is better/more used?

WinPT only works with the 1.4 branch of GnuPG and hasn't had a new
release in the last five years.  I'm under the impression Timo (the
author) has stopped working on it or supporting it.  Given that, I'd
have to recommend not using WinPT.

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Re: Order/changing of subkeys derogates compatibility!?

2014-11-30 Thread Robert J. Hansen
> while creating some new v4-RSA keypairs a compatibility issue occurs with
> old PGP-6.5.x:

6.5.8 is about sixteen years old now and has many known security
problems.  Please stop using it.

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Order/changing of subkeys derogates compatibility!?

2014-11-30 Thread gnupgpack
Hello to all,

while creating some new v4-RSA keypairs a compatibility issue occurs with
old PGP-6.5.x:

C,E should be RSA, S should be DSA (2048 with SHA256 for smaller
signatures...)

Sec/pub keyset is used with GPG-1.4.18 (Win7-64), pub key is exported to
PGP-6.5.x only for testing purpose on another machine.

First attempt, everything is working in PGP-6.5.x too:
pub  3072R/D956D57E  erzeugt: 2014-11-30  verfällt: niemals Aufruf: C
   Vertrauen: uneingeschränkt Gültigkeit: uneingeschränkt
sub  2048D/A916DB9A  erzeugt: 2014-11-30  verfällt: niemals Aufruf: S
sub  3072R/599E4462  erzeugt: 2014-11-30  verfällt: niemals Aufruf: E
[ uneing.] (1). rsa3072 name (kom) 


Second attempt, editing:
After test-editing the subkeys with changing DSA-subkey it gets last
position and is not working in PGP-6.5.x
pub  3072R/D956D57E  erzeugt: 2014-11-30  verfällt: niemals Aufruf: C
   Vertrauen: uneingeschränkt Gültigkeit: uneingeschränkt
sub  3072R/599E4462  erzeugt: 2014-11-30  verfällt: niemals Aufruf: E
sub  2048D/01D27D06  erzeugt: 2014-11-30  verfällt: niemals Aufruf: S 
[ uneing.] (1). rsa3072 name (kom) 


Third attempt, everything is working in PGP-6.5.x too, RSA only:
pub  3072R/D956D57E  erzeugt: 2014-11-30  verfällt: niemalsAufruf: C
  Vertrauen: uneingeschränkt Gültigkeit: uneingeschränkt
sub  3072R/599E4462  erzeugt: 2014-11-30  verfällt: niemalsAufruf: E
sub  3072R/B65BF3EE  erzeugt: 2014-11-30  verfällt: niemalsAufruf: S
[ uneing.] (1). rsa3072 name (kom) 

No difference, if using RSA-2048 bit. 
No Difference, if using DSA-1024 bit.

If new keypair is created 'by hand' in this order:
RSA C 3072
DSA S 2048
RSA E 3072
everything works till editing any of subkey. But this option is needed
because of future changings in subkey set while keeping main key ID...

So, is there a known issue regarding the order of DSA-subkeys for signing?
How to change order of subkeys for testing purpose?

Thanks and best regards,
Chris


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Re: Keygrip v fingerprint ?

2014-11-30 Thread Philip Jackson
On 30/11/14 01:32, Kristian Fiskerstrand wrote:
> The keygrip is protocol-agnostic whereby the fingerprint would differ
> e.g. between OpenPGP and X.509. From [0] (note "[2]"):
> 
> The keygrip is a unique identifier for a key pair, it is
> independent of any protocol, so that the same key can be used with
> different protocols.  PKCS-15 calls this a subjectKeyHash; it can be
> calculated using Libgcrypt's gcry_pk_get_keygrip ().

Thank you, Kristian



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RE: Setpref is not working or is it a bug or something?

2014-11-30 Thread gnupgpack
>> I am sorry, all my replies are sent to gnupg-users@gnupg.org only,
> Yes, that's the right procedure.
> The problem Peter mentioned is caused by the fact that your replies lack
> the  message headers (In-reply-to and References) that usually link 
> replies to the replied-to messages.

Yes, that's true, SMTP-Filter is running for outgoing mails:
http://lab1.de/Central/Software/Internet/E-Mail/SMTP-Filter/ 

It deletes for security/privacy reasons:
IN-REPLY-TO:
MESSAGE-ID:
ORGANIZATION:
REFERENCES:
THREAD-INDEX:
THREAD-TOPIC:
X-MAILER:
X-MIMEOLE:
X-MSMAIL-PRIORITY:
X-Relayed-By: GPGrelay

Hidden header 'In-Reply-To: <1CD78A.547AEDEA.0002@machine>':
IN-REPLY-TO and REFERENCES for example include ...@machine, which is always
the same... This is not wanted because of the possibility of tracking cross
over the web ("who posts which content...")

So, how to deal with this behavior?
Keeping subject untouched seems to be enough for identifying and associating
to thread, isn't it?

Thanks + regards,
Chris


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