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Re: HTTPS data in a form

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Arno Welzel wrote:

> Thomas 'PointedEars' Lahn schrieb am 2016-09-20 um 15:41:
>> Arno Welzel wrote:
>>> Thomas 'PointedEars' Lahn schrieb am 2016-09-19 um 23:28:
>>> […] One of the major principles in encryption is that the secret
>>> has to be protected, not the algorithm.
>> Utter nonsense.
> 
> No - best practice. Security by obscurity does not work.

*That* is _not_ “security by obscurity”.
 
> [...]
>>> Well - the source code of bcrypt for JavaScript is available here:
>>>
>>> <https://github.com/dcodeIO/bcrypt.js/blob/master/README.md>
>>>
>>> Didn't you just say that it is a bad idea to have the source code for an
>>> encryption method available? ;-)
>> I said that it is a bad idea to expose the used encryption algorithm *on
>> the client*.  Because then the attacker knows the algorithm already and
>> it is easier for them to run an attack.
> 
> Which known attacks exist for bcrypt?

Irrelevant.  But assuming that it is safe to expose an algorithm to an 
attacker because there are no *known* attacks is a far more incompetent 
approach than “security by obscurity”.
 
>> Also, you are having the common misconception that “JavaScript” means
>> client-side and unprivileged code.  (Note that the first variant
>> presented there is the one for Node.js.)
> 
> In the context of this thread JavaScript means client side scripting.

Then why are you referring, as a counter-argument, to an implementation that 
is not primarily intended for client-side scripting?

-- 
PointedEars
Zend Certified PHP Engineer 
<http://www.zend.com/en/yellow-pages/ZEND024953> | Twitter: @PointedEars2
Please do not cc me. / Bitte keine Kopien per E-Mail.

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Thread

HTTPS data in a form bit-naughty@hotmail.com - 2016-09-15 21:45 -0700
  Re: HTTPS data in a form "J.O. Aho" <user@example.net> - 2016-09-16 07:52 +0200
  Re: HTTPS data in a form Arno Welzel <usenet@arnowelzel.de> - 2016-09-17 15:57 +0200
    Re: HTTPS data in a form Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-09-17 21:17 +0200
      Re: HTTPS data in a form Jerry Stuckle <jstucklex@attglobal.net> - 2016-09-17 17:02 -0400
        Re: HTTPS data in a form "Peter H. Coffin" <hellsop@ninehells.com> - 2016-09-21 11:33 -0500
          Re: HTTPS data in a form Jerry Stuckle <jstucklex@attglobal.net> - 2016-09-23 08:47 -0400
          Re: HTTPS data in a form Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-09-24 22:11 +0200
      Re: HTTPS data in a form Arno Welzel <usenet@arnowelzel.de> - 2016-09-19 21:36 +0200
        Re: HTTPS data in a form Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-09-19 23:28 +0200
          Re: HTTPS data in a form "Christoph M. Becker" <cmbecker69@arcor.de> - 2016-09-19 23:44 +0200
            Re: HTTPS data in a form Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-09-19 23:57 +0200
              Re: HTTPS data in a form "Christoph M. Becker" <cmbecker69@arcor.de> - 2016-09-20 19:00 +0200
          Re: HTTPS data in a form Jerry Stuckle <jstucklex@attglobal.net> - 2016-09-19 21:00 -0400
          Re: HTTPS data in a form Stefan+Usenet@Froehlich.Priv.at (Stefan Froehlich) - 2016-09-20 05:59 +0000
            Re: HTTPS data in a form Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-09-20 15:40 +0200
              Re: HTTPS data in a form "J.O. Aho" <user@example.net> - 2016-09-20 18:39 +0200
                Re: HTTPS data in a form Jerry Stuckle <jstucklex@attglobal.net> - 2016-09-20 14:36 -0400
              Re: HTTPS data in a form Stefan+Usenet@Froehlich.Priv.at (Stefan Froehlich) - 2016-09-20 21:04 +0000
                Re: HTTPS data in a form Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-09-24 21:58 +0200
                Re: HTTPS data in a form Arno Welzel <usenet@arnowelzel.de> - 2016-09-26 19:43 +0200
              Re: HTTPS data in a form Arno Welzel <usenet@arnowelzel.de> - 2016-09-23 09:14 +0200
                Re: HTTPS data in a form Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-09-24 22:00 +0200
                Re: HTTPS data in a form Arno Welzel <usenet@arnowelzel.de> - 2016-09-26 19:44 +0200
          Re: HTTPS data in a form Arno Welzel <usenet@arnowelzel.de> - 2016-09-20 08:20 +0200
            Re: HTTPS data in a form Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-09-20 15:41 +0200
              Re: HTTPS data in a form Arno Welzel <usenet@arnowelzel.de> - 2016-09-23 09:02 +0200
                Re: HTTPS data in a form Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-09-24 22:06 +0200
                Re: HTTPS data in a form Arno Welzel <usenet@arnowelzel.de> - 2016-09-26 19:49 +0200
  Re: HTTPS data in a form Richard Damon <Richard@Damon-Family.org> - 2016-09-18 14:22 -0400
    Re: HTTPS data in a form Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-09-19 23:36 +0200
      Re: HTTPS data in a form Jerry Stuckle <jstucklex@attglobal.net> - 2016-09-19 21:03 -0400
  Re: HTTPS data in a form "Peter H. Coffin" <hellsop@ninehells.com> - 2016-09-21 11:29 -0500

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