[Ndn-interest] Signature verification

Matteo Bertolino Matteo.Bertolino at eurecom.fr
Mon Sep 26 23:22:19 PDT 2016

Thank you for the answer.
Actually it is a little advanced for me, I searched something in order  
to understand the basis. Something like  
But I am having lots of problem on running these examples. Someone was  
successfully able to run it?
Yours, Matteo

Quoting "César A. Bernardini" <mesarpe at gmail.com>:

> Mateo,
> I have implemented a security protocol for NDN/CCN (PROTECTOR, icc2016).
> The implementation is way complicated in NDN.
> It is several orders of magnitude easier with the Athena CCNx. They have a
> receiver and a sender that you can overwrite to implement your protocol.
> However, be careful, that both implementations Are not really flexible
> neither prepared for extensions.
> Bests,
> On Sep 26, 2016 20:04, "Matteo Bertolino" <Matteo.Bertolino at eurecom.fr>
> wrote:
>> Good morning,
>> I am searching an example about how to realize secure communication,
>> because the security library tutorial on the web site did not solved lots
>> of doubts.
>> Specifically, I would like to realize something like:
>> Consumer --- NDN network with some gateways --- GW_edge --- Producer
>> , where:
>> - The Consumer requests a data;
>> - Producer has a certificate given by an Authority A well know. Consumer
>> has the certificate of A in its store.
>> - Producer has two keys: KSK long term , DSK for short term. Now let's
>> focus on the data origin authentication.
>> - Producer sign the data packet with its certificate.
>> - Consumer check the certificate of Producer and it notices that it was
>> signed by A.
>> - Consumer sends an Interest to A in order to obtain its certificate.
>> - Consumer see that A's certificate it is the same that it cached, and it
>> does not drop the data packet.
>> These steps are not "mandatory", I mean  that if you know a better method
>> to perform authentication or something else that I can study in order to
>> understand better is good the same.
>> I am working in C++. I had a look to the ndn-cxx api, but I do not
>> understand the elementary steps about how to realize the communication
>> above mentioned.
>> Best regards,
>> Matteo
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