Re: Elliptic curves in gnupg status?(ECC support)

2012-12-20 Thread Werner Koch
On Tue, 18 Dec 2012 20:21, phonetree...@gmail.com said:
 I was not able to find anything in the manual about it though.  I
 searched and searched for the details on how to get on with using it,

  $ gpg2 --expert --gen-key
  gpg: NOTE: THIS IS A DEVELOPMENT VERSION!
  gpg: It is only intended for test purposes and should NOT be
  gpg: used in a production environment or with production keys!
  Please select what kind of key you want:
 (1) RSA and RSA (default)
 (2) DSA and Elgamal
 (3) DSA (sign only)
 (4) RSA (sign only)
 (7) DSA (set your own capabilities)
 (8) RSA (set your own capabilities)
 (9) ECDSA and ECDH
(10) ECDSA (sign only)
(11) ECDSA (set your own capabilities)
  Your selection?

We have always used the expert switch to allow the use of new
algorithms.  The idea is that we first want to have a wide base of
installed versions with support for a given algorithms, before we make
a new algorithm visible to the non-experts.


Shalom-Salam,

   Werner
  

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Re: Elliptic curves in gnupg status?(ECC support)

2012-12-18 Thread Werner Koch
On Mon, 17 Dec 2012 03:14, phonetree...@gmail.com said:
 Hey,  I found the discussion in this newsgroup linked to  below.  It
 was last posted to in 2010.  Looked like ECC support was coming, but
 as far as I can tell GPG doesn't support ECC yet.  Is it on it's way?

It is supported since 2.1.0beta2 (2011-03-08)


Shalom-Salam,

   Werner

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Re: Elliptic curves in gnupg status?(ECC support)

2012-12-18 Thread Thomas Demers
I was not able to find anything in the manual about it though.  I
searched and searched for the details on how to get on with using it,
can't find them anywhere.  I mean included and useable in the main
release as a tool to move ahead with...

- Original Message -
From: Werner Koch w...@gnupg.org
To: Thomas Demers phonetree...@gmail.com, gnupg-users@gnupg.org
Date: Tue, Dec 18, 2012 at 5:00 AM
Subject: Elliptic curves in gnupg status?(ECC support)

 On Mon, 17 Dec 2012 03:14, phonetree...@gmail.com said:
  Hey,  I found the discussion in this newsgroup linked to  below.  It
  was last posted to in 2010.  Looked like ECC support was coming, but
  as far as I can tell GPG doesn't support ECC yet.  Is it on it's way?

 It is supported since 2.1.0beta2 (2011-03-08)


 Shalom-Salam,

Werner

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Elliptic curves in gnupg status?(ECC support)

2012-12-17 Thread Thomas Demers
Hey,  I found the discussion in this newsgroup linked to  below.  It
was last posted to in 2010.  Looked like ECC support was coming, but
as far as I can tell GPG doesn't support ECC yet.  Is it on it's way?

I was just thinking maybe the messages could be short enough yet
moderately secure, to send over SMS, due to the shorter key sizes?
You wouldn't get much payload space, but maybe a little?

In any case ECC is the way of the future for public key crypto is it
not?  So it's really a pretty desirable feature.  I just found out
bitcoin is based on ECC.


http://lists.gnupg.org/pipermail/gnupg-users/2010-April/038647.html

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Re: Elliptic curves in gnupg status?(ECC support)

2012-12-17 Thread Johan Wevers
On 17-12-2012 3:14, Thomas Demers wrote:

 I was just thinking maybe the messages could be short enough yet
 moderately secure, to send over SMS, due to the shorter key sizes?

There is an open source Java application that implements ECC public key
encryption with SMS: http://cryptosms.org/ (don't mistake it with
http://www.cryptosms.com/, which is closed-source and not free).

It apears not to have been updated since 2009 though, but it does work
on my Nokia Symbian phones.

-- 
ir. J.C.A. Wevers
PGP/GPG public keys at http://www.xs4all.nl/~johanw/pgpkeys.html


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Re: Elliptic curves in gnupg status?(ECC support)

2012-12-17 Thread gnupg
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

On 17/12/12 16:04, Johan Wevers wrote:

 I was just thinking maybe the messages could be short enough yet 
 moderately secure, to send over SMS, due to the shorter key
 sizes?
 
 There is an open source Java application that implements ECC public
 key encryption with SMS: http://cryptosms.org/ (don't mistake it
 with http://www.cryptosms.com/, which is closed-source and not
 free).
 
 It apears not to have been updated since 2009 though, but it does
 work on my Nokia Symbian phones.

There is also TextSecure for Android, which uses ECC and is still
getting regular updates (last commit 9 days ago). It was initially
written by Moxie Marlinspike under his company Whisper Systems,
which was later bought out by Twitter. It was released under the GPLv3
and you can get it on github here:

  https://github.com/WhisperSystems/TextSecure

It's also available as a compiled binary on the Google Android Market
Place.

- -- 
Mike Cardwell  https://grepular.com/ http://cardwellit.com/
OpenPGP Key35BC AF1D 3AA2 1F84 3DC3  B0CF 70A5 F512 0018 461F
XMPP OTR Key   8924 B06A 7917 AAF3 DBB1  BF1B 295C 3C78 3EF1 46B4
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Re: Elliptic curves in gnupg status?

2010-04-26 Thread Werner Koch
On Sat, 24 Apr 2010 17:16, d...@fifthhorseman.net said:

   http://tools.ietf.org/html/draft-jivsov-openpgp-ecc

Actually the working group informally agreed on this draft after we
changed a few US centric things.

It is just a matter of implementing it in GnuPG.  Sergi started with
that but I have seen fully working code so far.  I spend most of the
last week to remove the secring.gpg related code in gpg and move the
secret key processing entirely to gpg-agent.  It is far from being
finished but it helps to integrate new algorithms more easily (we don't
have to keep pubring and secring in sync).  My idea of implementing ECC
is to first work on the signing part (ECDSA) before moving to the
encryption part with a later version.


Shalom-Salam,

   Werner


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Re: Elliptic curves in gnupg status?

2010-04-26 Thread Christoph Anton Mitterer
On Mon, 2010-04-26 at 08:57 +0200, Werner Koch wrote:
 Actually the working group informally agreed on this draft after we
 changed a few US centric things.
Nice to read. I was just about to reply, that it might make sense to
start implementation in gpg even if standardisation has not yet fully
finished.
Implementation probably takes quite some time and effort, and in the end
phase of standardisation processes there's usually not that much what
changes.
And I guess, the earlier ECC is available in gpg, the better.


 My idea of implementing ECC
 is to first work on the signing part (ECDSA)
Sounds reasonable, especially as people can already start to collect
signatures then...


What rough timescale do you expect to have ECC productively available in
gpg? I mean including security audits, well done tests etc.?

Cheers,
Chris.


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Re: Elliptic curves in gnupg status?

2010-04-24 Thread Daniel Kahn Gillmor
On 04/23/2010 11:24 PM, Faramir wrote:
   Well, I don't know anything about development plans, I think it is
 very likely we won't see ecc implemented in GnuPG _unless_ it is
 included first in OpenPGP standard. If GnuPG implements ecc before it
 becomes standard, we would get keys that would only work with GnuPG
 versions including ecc.

So, if you're interested in getting this support underway, you should
pprobably offer feedback on the I-D outlining how ecc should work with
OpenPGP:

  http://tools.ietf.org/html/draft-jivsov-openpgp-ecc

the IETF OpenPGP Working Group is probably a good place to offer feedback:

 http://www.imc.org/ietf-tls/mail-archive/

--dkg



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Re: Elliptic curves in gnupg status?

2010-04-23 Thread Faramir
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

markus reichelt escribió:
 * Alexander Murauer segler_a...@web.de wrote:
 
 is there any plan to get ecc in mainstream gnupg? most stuff i
 found about gnupg and ecc is outdated. does somebody know something
 about this?
 
 search the archives of the devel mailinglist. ecdsa. don't expect any
 real info, tho.

  Well, I don't know anything about development plans, I think it is
very likely we won't see ecc implemented in GnuPG _unless_ it is
included first in OpenPGP standard. If GnuPG implements ecc before it
becomes standard, we would get keys that would only work with GnuPG
versions including ecc.

  Best Regards
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Elliptic curves in gnupg status?

2010-04-21 Thread Alexander Murauer
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Hash: SHA1

Hi,

i recently read about ecc (elliptic curves crypt)
after googling, i found this:
http://www.calcurco.cat/eccGnuPG/descobj.en.html

is there any plan to get ecc in mainstream gnupg?
most stuff i found about gnupg and ecc is outdated.
does somebody know something about this?

i own a OpenPGP Smartcard v2.
does it / will it support ECC, or do i have to wait for an
OpenPGP Smartcard v3 ? :)

thanks in advance
alex

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