Re: Threema. / don't trust closed source software

2013-11-10 Thread Mark Schneider

Am 10.11.2013 02:46, schrieb Robert J. Hansen:

Looking over their site briefly I was unable to find a link for source code. As 
a result, I think very little of it. I don't think it's wise to trust unknown 
third-party binaries that don't provide source.
It is commercial iOS and Androif application without source code and 
evenn such important details like the used encryption.


Don't trust closed source software products!

regards, Mark

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Re: Threema. / don't trust closed source software

2013-11-10 Thread Filip M. Nowak
Hello,

On 10.11.2013 12:02, Mark Schneider wrote:
 (...)
 It is commercial iOS and Androif application without source code and
 evenn such important details like the used encryption.
 (...)

Actually such information are available here:
https://threema.ch/en/faq.html.

They are stating that they are using NaCl (http://nacl.cr.yp.to/) for
ECC and NSFileProtectionComplete (iOS) or/and self-implemented AES256
(Android) for stored messages encryption.

Cheers,
Filip

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Re: Threema.

2013-11-10 Thread Julian H. Stacey
Charly Avital wrote:
 
 kendrick eastes wrote on 11/10/13, 3:17 AM:
  might be better received at a cryptography based mailing list, also, do
  you plan on releasing source? 
  
  
  apologies if this double sends, I've been having network issues recently.
 
 The source belongs to the company whose web site figures in the link I sent.

No source = Don't use.  Companies have their own commercial interests,
can die  be bought, can be leaned on by their home nation state, plus
states can spy, emit trojans,  want to weaken cryptography/ security.

 I have no connection whatsoever with that company, I was just asking the
 GnuPG-users list for an opinion.
 
 Sorry for the misunderstanding.
 Charly

Cheers,
Julian
-- 
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 Interleave replies below like a play script.  Indent old text with  .
 Send plain text, not quoted-printable, HTML, base64, or multipart/alternative.
Extradite NSA spy chief Alexander.  http://berklix.eu/jhs/blog/2013_10_30

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Re: Threema.

2013-11-10 Thread Johan Wevers
On 09-11-2013 23:48, Charly Avital wrote:

 https://threema.ch/en/
 What do you think of it?

As others have mentioned, it seems to be closed source (and since it's
payware I doubt they'll release the code). Further the Android version
strongly suggests to use it with a Google account for push notifications
and updates, which in itself is of course a security risk. Although they
do offer a version without having to use Google stuff.

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Threema.

2013-11-09 Thread Charly Avital
Hi,

https://threema.ch/en/

in German:
https://threema.ch/de/

What do you think of it?
Charly

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Threema.

2013-11-09 Thread Charly Avital
Hi,

https://threema.ch/en/

in German:
https://threema.ch/de/

What do you think of it?
Charly

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Re: Threema.

2013-11-09 Thread Robert J. Hansen
Looking over their site briefly I was unable to find a link for source code. As 
a result, I think very little of it. I don't think it's wise to trust unknown 
third-party binaries that don't provide source.
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Re: Threema.

2013-11-09 Thread Charly Avital

kendrick eastes wrote on 11/10/13, 3:17 AM:
 might be better received at a cryptography based mailing list, also, do
 you plan on releasing source? 
 
 
 apologies if this double sends, I've been having network issues recently.

The source belongs to the company whose web site figures in the link I sent.

I have no connection whatsoever with that company, I was just asking the
GnuPG-users list for an opinion.

Sorry for the misunderstanding.
Charly
0x15E4F2EA
Mac OS X 10.9 13A603
MacBook Intel C2Duo 2GHz 13-inch, Aluminum, Late 2008 .
(GnuPG/MacGPG2) 2.0.20 - gpg (GnuPG) 1.4.15
TB 24.0.1 Enigmail version 1.6 (20131006-1849)




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Re: Threema.

2013-11-09 Thread kendrick eastes
might be better received at a cryptography based mailing list, also, do you
plan on releasing source?


apologies if this double sends, I've been having network issues recently.


On Sat, Nov 9, 2013 at 3:49 PM, Charly Avital shavi...@mac.com wrote:

 Hi,

 https://threema.ch/en/

 in German:
 https://threema.ch/de/

 What do you think of it?
 Charly

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