[guardian-dev] Chatsecure offline File XFER

Hans-Christoph Steiner hans at guardianproject.info
Mon Mar 31 11:53:19 EDT 2014


FileMQ is based on 0MQ, which as far as I understand it is quite closely tied
to TCP, UDP, Multicast, etc.  Can you provide an example of using it with some
generic way to move bits (i.e. OTRDATA)?

hc

On 03/30/2014 12:51 PM, ShootAKite at riseup.net wrote:
> Sorry if this may be offtopic but would it not be easier to implement
> FileMQ[1] for file transfer inside the OTR layer?  FileMQ seems like a
> possible candidate to solve the offline messages problem[3]
> A.
> [1] https://github.com/zeromq/filemq
> [2] FileMQ could be used with a openstack macaroni server
> https://github.com/openstack/marconi
> [3] https://github.com/cryptocat/cryptocat/issues/245
> 
> On 03/28/2014 12:55 PM, Chris Ballinger wrote:
>> We are working on adding OTRDATA support in ChatSecure-iOS, as well as
>> considering implementing Cryptocat's file transfer spec
>>
>>
>> On Fri, Mar 28, 2014 at 8:01 AM, Abel Luck <abel at guardianproject.info
>> <mailto:abel at guardianproject.info>> wrote:
>>
>>     On Friday 28 March 2014 15:53:06 Matej Kovacic wrote:
>>     > Hi,
>>     >
>>     > > We also have another new Dev on the project (Dbro) who is
>>     working on
>>     > > unifiying our xmpp and OTR libraries with Jitsi, Yaxim and other
>>     > > java-based apps.
>>     >
>>     > Great to hear that. However, I have noticed one thing. I tried
>>     to send a
>>     > voice message to a friend who is using Kopete - and he received
>>     nothing.
>>     >
>>     > Is ChatSecure using some non-standard protocol for file exchange?
>>     >
>>
>>     Yes it is actually, though we would like our implementation to
>>     become a
>>     standard. [1]
>>
>>     Default XMPP file transfer isn't end-to-end secure as it happens
>>     outside the
>>     OTR layer.
>>
>>     Our new file transfer implementation is an extension to OTR that
>>     allows for file
>>     transfer inside the OTR layer.
>>
>>     This means the file transfer is secured in the same way as the OTR
>>     messages.
>>     Unfortunately no other apps have implemented it yet.
>>
>>     ~abel
>>
>>     [1]:
>>     https://dev.guardianproject.info/projects/gibberbot/wiki/OTRDATA_Specifications
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