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[liberationtech] Crypho

R. Jason Cronk rjc at privacymaverick.com
Fri Mar 22 14:11:12 PDT 2013


Nadim,

The only major difference I see (assuming you're asking about the 
product and not the threats Cooper lays out) is the persistence. It 
appears you can set up projects and store encrypted data on their 
servers. This certainly opens you up to other threats but I don't see it 
serving the same market as CryptoCat, namely it's going after a business 
audience that just doesn't want Google having all their files/chats/etc 
in the clear on some server somewhere whereas my take on CryptoCat is 
that it facilitates secure non-persistent multiparty chat.

Oh, and the two factor authentication is interesting for login is 
interesting.

Jason


On 3/22/2013 5:03 PM, Nadim Kobeissi wrote:
> How is this any different from Cryptocat?
>
>
> NK
>
>
> On Fri, Mar 22, 2013 at 4:59 PM, Cooper Quintin 
> <cooper at radicaldesigns.org <mailto:cooper at radicaldesigns.org>> wrote:
>
>     I had a chance to try out crypho a couple of weeks ago at a demo they
>     put on at noisebridge.  I have some concerns about it, namely the
>     delivery of crypto code over javascript without any sort of
>     verification
>     of it's authenticity (via browser plugin, etc.), since this point has
>     already been discussed to death on this list however, I do not wish to
>     re-open that debate.
>     I managed to find a couple of javascript injection attacks in the beta
>     already, though the developer assures me that they are working on
>     fixing
>     all the bugs right now, still the lack of attention to basic web
>     security at such an early stage is concerning.
>     That aside it seems okay, though I have some worries about side
>     channel
>     attacks and the fact that it hasn't been peer reviewed as far as I can
>     tell yet.
>     It does seem like an interesting project though, with some smart
>     people
>     behind it. I am looking forward to seeing the code once they open
>     source it.
>
>     Cooper Quintin
>     PGP Key ID: 75FB 9347 FA4B 22A0 5068 080B D0EA 7B6F F0AF E2CA
>
>     On 03/22/2013 01:48 PM, R. Jason Cronk wrote:
>     > Anybody know the people who are doing this? http://www.crypho.com/
>     >
>     > It's still in beta, so I'm assuming they are working out bugs
>     prior to
>     > releasing the code which they say they will do. See
>     > http://www.crypho.com/faq.html
>     >
>     >
>     >           Is it Open-Source?
>     >
>     >     Yes! We are reviewing the source code for release. It will be
>     >     available under an OSI approved license in the near future.
>     >
>     >
>     >
>     >
>     >
>     > *R. Jason Cronk, Esq., CIPP/US*
>     > /Privacy Engineering Consultant/, *Enterprivacy Consulting Group*
>     > <enterprivacy.com <http://enterprivacy.com>>
>     >
>     >   * phone: (828) 4RJCESQ
>     >   * twitter: @privacymaverick.com <http://privacymaverick.com>
>     >   * blog: http://blog.privacymaverick.com
>     >
>     >
>     >
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*R. Jason Cronk, Esq., CIPP/US*
/Privacy Engineering Consultant/, *Enterprivacy Consulting Group* 
<enterprivacy.com>

  * phone: (828) 4RJCESQ
  * twitter: @privacymaverick.com
  * blog: http://blog.privacymaverick.com

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