[Nfd-dev] certificate for interacting with NDN testbed

[Dehart, John]

Junxiao,

I’m confused by this. The Testbed is running the PPA version 22.02. So why does Nikos need the nightly build or the latest source version?

John


On Jun 2, 2022, at 7:10 PM, Junxiao Shi via Nfd-dev <nfd-dev at lists.cs.ucla.edu<mailto:nfd-dev at lists.cs.ucla.edu>> wrote:

Hi Nikos

There has been a packet format change related to ForwardingHint and Delegation.
Your ndn-cxx, NFD, and ndncert versions are incompatible, which causes decoding error.

Please install all from https://nfd-nightly.ndn.today<https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fnfd-nightly.ndn.today%2F&data=05%7C01%7Cjdd%40wustl.edu%7C9e4b8c4640d8466662ec08da44f58e2e%7C4ccca3b571cd4e6d974b4d9beb96c6d6%7C0%7C0%7C637898118978475400%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=RQX8xpyxasXaaCMn2lr%2FsfZOrxxeZ7hrhpx6a9x3Xj0%3D&reserved=0> or all from latest source code.
Do not mix different versions.
See NFD-nightly instructions for how to switch between installation methods.

Yours, Junxiao

On Thu, Jun 2, 2022, 20:04 Nikos Fotiou via Nfd-dev <nfd-dev at lists.cs.ucla.edu<mailto:nfd-dev at lists.cs.ucla.edu>> wrote:
I found it.

I can see the challenge in the log file. I enter the correct challenge and then ndncert-client outputs:

>> Certificate has already been issued, downloading certificate...
>> Interest timeout

In the nfd output I see the following:

1654214277.802105 DEBUG: [nfd.Forwarder] onOutgoingData out=266 data=/ndn/gr/edu/mmlab1/CA/CHALLENGE/%81Qf%7B%0Cz%00%F4/params-sha256=522d0d7207cb11ac2a5fbd120473a39154326781b0bc74f487c8a4b1becbc7c9/%16M%1B%01%03%1CH%07F%08%03ndn%08%02gr%08%03edu%08%06mmlab1%08%04aueb%08%09second-14%08%03KEY%08%087%9EV%27%08%C2C2%08%04self6%08%00%00%01%81%26%CF%E4%A3/%17F0D%02%20gW%11%95Y%603%17%17%9EB%8BN%7D%B1v%D6%C9%9D%3E~%89%EF%14%5D%82%EF%A5%207R%E4%02%20p%B3%0A%5B%E9%E3%00Q%E14%8B%21%0C%D2kzz%D3%90%85j%EA%A7%E5SRGS%18%C9%3B%DA
1654214277.805087  WARN: [nfd.GenericLinkService] [id=266,local=unix:///run/nfd.sock,remote=fd://33] packet parse error (Unexpected TLV-TYPE 7 while decoding Delegation): DROP
1654214277.805351 DEBUG: [nfd.Forwarder] onInterestFinalize interest=/ndn/gr/edu/mmlab1/CA/CHALLENGE/%81Qf%7B%0Cz%00%F4/params-sha256=522d0d7207cb11ac2a5fbd120473a39154326781b0bc74f487c8a4b1becbc7c9/%16M%1B%01%03%1CH%07F%08%03ndn%08%02gr%08%03edu%08%06mmlab1%08%04aueb%08%09second-14%08%03KEY%08%087%9EV%27%08%C2C2%08%04self6%08%00%00%01%81%26%CF%E4%A3/%17F0D%02%20gW%11%95Y%603%17%17%9EB%8BN%7D%B1v%D6%C9%9D%3E~%89%EF%14%5D%82%EF%A5%207R%E4%02%20p%B3%0A%5B%E9%E3%00Q%E14%8B%21%0C%D2kzz%D3%90%85j%EA%A7%E5SRGS%18%C9%3B%DA satisfied

Any clue?

Thanks,
Nikos

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