[zeromq-dev] Zmq Security for the C# wrapper

[Pieter Hintjens]

There are some examples in czmq/examples/security. I don't think there
have been significant changes since my blog articles.

On Tue, Jul 21, 2015 at 12:01 PM, Robert Pickering
<robertfpickering at fastmail.com> wrote:
> Hello again,
>
> Thanks for the advice Arnaud. I'm taking a look this morning it does
> look reasonable straight forward to expose the security api, in fact
> some of the work has already been started in clrzmq4, but looks like not
> everything is there yet. One thing that's hindering me is that there
> seems to have been quite a bit of renaming to the functions involved
> since Pieter's blog post and I can't find any up to date samples that
> show security. I checked to zguide, but I didn't see any examples
> relating to security. Anyone got an up date to example?
>
> Many thanks,
> Rob
>
>
>
> On Mon, Jul 20, 2015, at 07:56 PM, Arnaud Kapp wrote:
>> Hello,
>>
>> Welcome to the list.
>>
>> What version of ZeroMQ (libzmq) are you using? If you're running on a
>> fairly recent libzmq the crypto API should be available -- provided
>> that you built libzmq with libsodium support.
>>
>> I am not familiar with clrzmq4, but yes I believe it shouldn't be *too*
>> hard.
>> Enabling encryption is simply setting a few options on your sockets.
>> However, authentication is done through the ZAP
>> (http://rfc.zeromq.org/spec:27).
>> So you'd have to implement a ZAP handler (this is fairly easy) that would
>> validates the authentication. Unless clrzmq4 were implementing one
>> and providing abstraction on top of this handler.
>>
>>
>> On Mon, Jul 20, 2015 at 5:14 PM, Robert Pickering
>> <robertfpickering at fastmail.com> wrote:
>> > Hi all,
>> >
>> > I'm new to this list so sorry if I'm breaking some protocol that I don't
>> > know about :) I've done some googling about this topic, but info is a
>> > bit unclear to me, so I thought I write to list for clarification.
>> >
>> > Currently using zmq to provide sub/pub messaging in our C# application.
>> > This is all working nicely, but I'd like to add authentication and
>> > encryption and it seems the APIs to do this are not yet exposed to C#.
>> >
>> > From what I've read there's two implementation of zmq security, one in
>> > the native c++ zmq repo [1], if it's possible to use the latest version
>> > of zmq (as we do), then you should use this one. There also exists a
>> > reference implementation outside of the main repo, for people can't use
>> > the latest version zmq. It's available here [2].
>> >
>> > From what I've read in Pieter Hintjens's blog [3], the interface to the
>> > security apis doesn't look too complicated, so if I were to folk and the
>> > C# wrapper [4] and add the missing api calls it should be reasonable
>> > straight forward. Has anyone tried this before? Is there some pitfall
>> > that I missing that would make this a trick task?
>> >
>> > Kind regards,
>> > Robert
>> >
>> > [1] https://github.com/zeromq/libzmq
>> > [2] https://github.com/zeromq/libcurve
>> > [3] http://hintjens.com/blog:49
>> > [4] https://github.com/zeromq/clrzmq4
>> > _______________________________________________
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>> > zeromq-dev at lists.zeromq.org
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>>
>>
>>
>> --
>> Kapp Arnaud - Xaqq
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